Camera lens actuator with shape memory alloy wire and ball bearing suspension for autofocus

Abstract

The invention relates to a camera lens actuator having a shape memory alloy wire for autofocus and a ball bearing suspension. The present invention relates to an actuator assembly for a camera, and more specifically, to an actuator assembly for a camera comprising a plurality of carriers, each carrier configured to allow movement of an optical assembly along a respective axis of an optical axis, a first axis orthogonal to the optical axis, and a second axis orthogonal to the first axis and the optical axis. A ball bearing for the carrier allows movement along the shaft. The actuators move the optical assembly along the axis via the respective carriers in response to receiving the current. The actuator includes one or more shape memory alloy (SMA) wires for moving the optical assembly along the optical axis via at least one of the plurality of carriers for autofocus (AF).

Description

[0001] This application claims priority to U.S. Provisional Application Serial No. 63 / 698505, filed September 24, 2024, entitled “Camera Lens Actuators with Shape Memory Alloy Wires for Autofocus and Ball Bearing Suspension,” the entire contents of which are incorporated herein by reference. Technical Field

[0002] This disclosure relates in its entirety to a lens-shifting ball bearing camera actuator having a voice coil motor (VCM) optical image stabilization (OIS) coil and a shape memory alloy (SMA) wire actuator for autofocus (AF). Background Technology

[0003] The emergence of small, mobile multi-purpose devices such as smartphones and tablets or tablets has led to a demand for high-resolution, small-form-factor cameras integrated into these devices. Some cameras incorporate an autofocus (AF) mechanism that adjusts the focal length of the subject so that the object plane in front of the camera is focused on the image plane that the image sensor is capturing. Furthermore, some cameras incorporate an optical image stabilization (OIS) mechanism that senses and reacts to external stimuli / disturbances by adjusting the position of the optical lenses on the X and / or Y axes, attempting to compensate for unwanted lens movement. Attached Figure Description

[0004] Figure 1 Examples of components of an example camera having an actuator module or component according to at least some embodiments are illustrated, which may be used, for example, to provide autofocus (AF) and optical image stabilization (OIS) by lens movement in a small-form-factor camera. Figure 1 A top view of the camera's exterior is shown.

[0005] Figure 2 Components of an example camera having an actuator module or component according to at least some embodiments are illustrated, which may be used, for example, to provide AF and OIS by lens movement in a small-form-factor camera. Figure 2 A cross-sectional view of the camera is shown.

[0006] Figure 3 Components of an example camera having an actuator module or component according to at least some embodiments are illustrated, which may be used, for example, to provide AF and OIS by lens movement in a small-form-factor camera. Figure 3 A perspective view of the camera is shown.

[0007] Figure 4Components of an example camera having an actuator module or component according to at least some embodiments are illustrated, which may be used, for example, to provide AF and OIS by lens movement in a small-form-factor camera. Figure 4 An exploded view of the camera is shown.

[0008] Figure 5 Examples of actuator modules or components according to at least some embodiments are illustrated, which may be used, for example, to provide AF and OIS by lens movement in a small-form-factor camera. Figure 5 A perspective view of the actuator assembly base and autofocus (AF) carrier of the actuator module or component is shown.

[0009] Figure 6 Components of an example AF actuator assembly are illustrated according to at least some embodiments, which may be used, for example, to provide AF and OIS by lens movement in a small-form-factor camera. Figure 6 A perspective view of an AF actuator assembly, or actuator module or component, is shown.

[0010] Figure 7 Components of an optical image stabilization (OIS) actuator assembly and an AF actuator assembly according to at least some embodiments are illustrated, which can be used, for example, to provide AF and OIS by lens movement in a small-form-factor camera. Figure 7 A perspective view of the OIS actuator assembly and AF actuator assembly of the actuator module or component is shown.

[0011] Figure 8 Examples of actuator modules or components according to at least some embodiments are illustrated, which may be used, for example, to provide AF and OIS by lens movement in a small-form-factor camera. Figure 8 A perspective view of the actuator module or component is shown.

[0012] Figure 9 Examples of actuator modules or components according to at least some embodiments are illustrated, which may be used, for example, to provide AF and OIS by lens movement in a small-form-factor camera. Figure 9 A perspective view of the actuator module or component is shown.

[0013] Figure 10 Examples of actuator modules or components according to at least some embodiments are illustrated, which may be used, for example, to provide AF and OIS by lens movement in a small-form-factor camera. Figure 10 A perspective view of the actuator module or component is shown.

[0014] Figure 11 Examples of actuator modules or components according to at least some embodiments are illustrated, which may be used, for example, to provide AF and OIS by lens movement in a small-form-factor camera. Figure 11 A perspective view of the actuator module or component is shown.

[0015] Figure 12 Examples of actuator modules or components according to at least some embodiments are illustrated, which may be used, for example, to provide AF and OIS by lens movement in a small-form-factor camera. Figure 12 A perspective view of the actuator module or component is shown.

[0016] Figure 13 A schematic diagram illustrating an example device that may include a camera according to some implementation schemes is shown.

[0017] Figure 14 A schematic block diagram of an example computing device, referred to as a computer system, is illustrated according to some implementation schemes, which may include or host a camera.

[0018] This specification includes references to "one embodiment" or "implementation". The use of the phrase "in one embodiment" or "in an embodiment" does not necessarily refer to the same embodiment. Specific features, structures, or characteristics may be combined in any suitable manner consistent with this disclosure.

[0019] The term "comprising" is open-ended. As used in the appended claims, it does not exclude additional structures or steps. Consider the following cited claim: "An apparatus comprising one or more processor units..." Such claims do not exclude the inclusion of additional components (e.g., network interface units, graphics circuitry, etc.).

[0020] "Configured as" refers to various units, circuits, or other components that can be described or stated as being "configured as" to perform one or more tasks. In such a context, "configured as" is used to imply a structure (e.g., a circuit) that includes a unit / circuit / component that performs this one or more tasks during operation. Thus, a unit / circuit / component is allegedly configured to perform the task even when the specified unit / circuit / component is currently inoperable (e.g., not switched on). Units / circuit / components used with the language "configured as" include hardware—e.g., circuits, memory storing program instructions that can be executed to perform the operation, etc. The reference to a unit / circuit / component being "configured as" to perform one or more tasks is explicitly intended to exclude paragraph 6 of 35 U.S.SC §112 for that unit / circuit / component. Additionally, "configured as" can include general structures (e.g., general-purpose circuits) manipulated by software and / or firmware (e.g., an FPGA or a general-purpose processor executing the software) in a manner capable of performing one or more tasks to be solved. "Configured to" may also include adjusting the manufacturing process (e.g., a semiconductor manufacturing facility) to manufacture equipment (e.g., an integrated circuit) suitable for performing one or more tasks.

[0021] "First," "second," etc. As used herein, these terms serve as labels for the nouns preceding them and do not imply any type of ordering (e.g., spatial, temporal, logical, etc.). For example, a buffer circuit may be described herein as performing write operations on a "first" value and a "second" value. The terms "first" and "second" do not necessarily imply that the first value must be written before the second value.

[0022] "Based on." As used herein, this term describes one or more factors that influence a determination. This term does not exclude additional factors that may influence the determination. That is, a determination may be based solely on these factors or at least partially on them. Consider the phrase "based on B to determine…". In this case, B is a factor influencing the determination of A, and such phrases do not exclude the possibility that the determination of A may also be based on C. In other instances, A may be determined solely on B.

[0023] It will also be understood that while the terms "first," "second," etc., may be used herein to describe various elements, these elements should not be limited by these terms. These terms are merely used to distinguish one element from another. For example, without departing from the intended scope, a first contact may be referred to as a second contact, and similarly, a second contact may be referred to as a first contact. Both the first and second contacts are contacts, but they are not the same contact.

[0024] The terminology used in this description is for the purpose of describing particular embodiments only and is not intended to be limiting. As used in the specification and appended claims, the singular forms “a,” “an,” and “the” are intended to also cover the plural forms unless the context otherwise clearly indicates otherwise. It will also be understood that the term “and / or” as used herein refers to and covers any and all possible combinations of one or more of the associated listed items. It will also be understood that the terms “comprising” and / or “including” as used in this specification specify the presence of the stated features, integers, steps, operations, elements, and / or components, but do not exclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and / or groups thereof.

[0025] As used herein, depending on the context, the term “if” can be interpreted as meaning “when…” or “in response to determination” or “in response to detection.” Similarly, depending on the context, the phrase “if determination…” or “if detection [the stated condition or event]” can be interpreted as meaning “in response to determination…” or “in response to detection [the stated condition or event]” or “in response to detection [the stated condition or event].” Detailed Implementation

[0026] The various embodiments described herein relate to actuator modules or components that can be used in cameras with movable optical components. In some examples, the camera may include camera armament equipped with controls, magnets, voice coil motors, and shape memory alloy (SMA) wires to improve the effectiveness of miniature actuation mechanisms for compact camera modules. More specifically, in some embodiments, the compact camera module includes actuators for providing functions such as autofocus (AF) and optical image stabilization (OIS). One approach to providing very compact actuator components is to provide AF actuators and OIS actuators for movement and / or offset of optical components.

[0027] Compact cameras (e.g., camera modules) can be used across a variety of mobile devices, from mobile phones to AR / VR devices. Many cameras implement AF actuators to improve focusing performance and support lower aperture numbers, and OIS actuators to compensate for camera shake and movement. In some designs, camera actuators may include voice coil motor (VCM) actuators (e.g., each having at least one magnet and at least one coil) and suspension assemblies (e.g., including wires and / or springs) for moving a lens package in the x, y, and / or z directions to achieve OIS and AF. However, using these components, the forces generated by the VCM actuators and the damping provided by the suspension assemblies may limit the size and weight of the lenses and other components, thus limiting camera performance.

[0028] Conversely, actuator modules or assemblies that include ball bearings and SMA line actuators can allow for heavier and more robust lenses and other components to enhance camera performance. As described herein, a camera with actuator modules or assemblies may include multiple carriers that utilize ball bearings to achieve AF and OIS movement of optical components. The actuators may also include at least one SMA line actuator for movement of the optical components. For example, the actuator assembly may include an AF carrier with one or more cover supports, wherein at least one SMA line is wrapped around each cover support. The SMA line may be attached to a stationary part of the camera (e.g., a base or flexible circuitry). The SMA line may receive current through an electrical connection at the stationary part of the camera, which causes one or more SMA lines to contract and / or expand, and the SMA line causes the AF carrier, a first OIS carrier, a second OIS carrier, and the optical components to move along the optical axis via the ball bearings to achieve AF. In other words, when the AF carrier is positioned below the first OIS carrier, the second OIS carrier, and the optical assembly, both the first and second OIS carriers can move along the optical axis when the AF carrier moves along the optical axis to produce AF movement of the optical assembly. A first magnet attached to the second OIS carrier can be aligned with a coil on the base or on the flexible circuit, such that when the coil receives current, the second OIS carrier experiences a Lorentz force due to the magnet. This Lorentz force causes the first OIS carrier, the second OIS carrier, and the optical assembly to move via ball bearings along a first axis orthogonal to the optical axis to achieve OIS stabilization (e.g., in the x or y direction). In other words, when the first OIS carrier is positioned below the second OIS carrier and the optical assembly, both the first and second OIS carriers can move along the first axis when the first OIS carrier moves along the first axis to produce OIS movement of the optical assembly (e.g., in the x or y direction). Furthermore, a second magnet attached to the second OIS carrier can be aligned with another coil on the base or on the flexible circuit, such that when the coil receives current, the second OIS carrier can withstand a Lorentz force due to the magnet. This Lorentz force causes the second OIS carrier and the optical assembly to move along a second axis orthogonal to the first axis and the optical axis via ball bearings, thereby achieving OIS stabilization (e.g., in the y-direction or x-direction). In other words, with the second OIS carrier and the optical assembly positioned above the first OIS carrier, only the second OIS carrier can move along the second axis to produce OIS movement of the optical assembly (e.g., in the y-direction or x-direction).

[0029] Reference will now be made in detail to embodiments, examples of which are illustrated in the accompanying drawings. Numerous specific details are set forth in the following detailed description in order to provide a thorough understanding of this disclosure. However, it will be apparent to those skilled in the art that some embodiments may be implemented without these specific details. In other instances, well-known methods, processes, components, circuits, and networks have not been described in detail so as not to unnecessarily obscure various aspects of the embodiments.

[0030] Figure 1 Components of an example camera 100 having an actuator module or component according to at least some embodiments are illustrated, which may be used, for example, to provide autofocus (AF) and optical image stabilization (OIS) by lens movement in a small-form-factor camera. Figure 1 A top view of the exterior of camera 100 is shown. Camera 100 may include components relative to... Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 , Figure 7 , Figure 8 , Figure 9 , Figure 10 , Figure 11 , Figure 12 , Figure 13 and Figure 14 One or more features that are the same as or similar to those described or exemplified therein. Figure 1 The example XYZ coordinate system shown can be used to discuss various aspects of the components and / or systems, and is applicable to the embodiments described throughout this disclosure.

[0031] In various embodiments, camera 100 may include an optical assembly 103, a shield 110, a housing 113, and an electrical connector 104, the optical assembly having one or more lenses 102 defining an optical axis (z) 101. The shield 110 may form an outer wall of the top portion (and in some cases a side portion) of camera 100, and form one or more camera shoulders. The housing 113 may form an outer wall of the bottom portion of camera 100. The electrical connector 104 may extend from the housing 113 (and the shield 110) and may electrically connect camera 100 to an external device. For example, camera 100 may be... Figure 13 The illustrated camera 1304b or Figure 14 The illustrated camera 1408 is the same as or similar to a camera. Thus, the electrical connector 104 can extend from the housing 113 and can electrically connect the camera 100 to the housing 113 respectively. Figure 13 The illustrated device 1300 or Figure 14The illustrated computer system 1400. In some aspects, the shield 110 may be mechanically coupled to the base via a housing 113 attached to both the shield 110 and the base. As described herein, the camera 100 may include AF and OIS optical components.

[0032] Figure 2 Components of an example camera 100 having an actuator module or component according to at least some embodiments are illustrated, which may be used, for example, to provide AF and OIS by lens movement in a small-form-factor camera. Figure 2 A cross-sectional view of camera 100 is shown. Camera 100 may include components relative to... Figure 1 , Figure 3 , Figure 4 , Figure 5 , Figure 6 , Figure 7 , Figure 8 , Figure 9 , Figure 10 , Figure 11 , Figure 12 , Figure 13 and Figure 14 One or more features that are the same as or similar to those described or exemplified therein. Figure 2 The example XYZ coordinate system shown can be used to discuss various aspects of the components and / or systems, and is applicable to the embodiments described throughout this disclosure.

[0033] like Figure 2 As shown, camera 100 may include an optical assembly 103 comprising one or more lenses 102 centered on an optical axis (z) 101, a shield 110, a printed circuit board (or substrate) 234, an image sensor 108, multiple position sensors 230, a housing 113, and an actuator assembly 200. The shield 110, coupled to housing 113, may include the actuator assembly 200, the printed circuit board 234, the image sensor 108, and the multiple position sensors 230. The actuator assembly 200 may be attached to the optical assembly 103 for moving the optical assembly 103 to perform AF and OIS, as described herein.

[0034] Figure 3 Components of an example actuator module or component 200 according to at least some embodiments are illustrated, which may be used, for example, to provide AF and OIS by lens movement in a small-form-factor camera. Figure 3 A perspective view of actuator module or component 200 is shown. Actuator component 200 may include components relative to... Figure 1 , Figure 2 , Figure 4 , Figure 5 , Figure 6 , Figure 7 , Figure 8 , Figure 9 , Figure 10 , Figure 11 , Figure 12 , Figure 13 and Figure 14 One or more features that are the same as or similar to those described or exemplified therein. Figure 3 The example XYZ coordinate system shown can be used to discuss various aspects of the components and / or systems, and is applicable to the embodiments described throughout this disclosure.

[0035] like Figure 3 As shown, the actuator assembly 200 includes an actuator assembly base 302 and a plurality of carriers, including a first OIS carrier 304, a lens carrier / second OIS carrier 306, and an AF carrier 308. The first OIS carrier 304, the lens carrier / second OIS carrier 306, and the AF carrier 308 may form a vertical carrier stack on and / or above the actuator assembly base 302. The vertical carrier stack may be arranged such that the AF carrier 308 may be stacked below and / or beneath the first OIS carrier 304, the lens carrier / second OIS carrier 306, and the optical assembly 103. The first OIS carrier 304 may be stacked or positioned below and / or beneath the lens carrier / second OIS carrier 306 and the optical assembly 103. The lens carrier / second OIS carrier 306 may be attached to the optical assembly 103.

[0036] In addition, such as Figure 3 As shown, the AF carrier 308 can be positioned on the actuator assembly base 302. Thus, when the image sensor (e.g., Figure 2 When the image sensor 108 is positioned below the actuator assembly base 302 on the side opposite to the optical assembly 103, the vertical stack of carriers can be arranged in the following order from the image sensor to the optical assembly 103: actuator assembly base 302, AF carrier 308, first OIS carrier 304, and lens carrier / second OIS carrier 306. Unlike some actuator assemblies that utilize multiple VCM actuators for both OIS and AF movement, actuator assembly 200 can utilize SMA lines 332 via the AF carrier 308 to perform AF movement of the optical assembly 103, while simultaneously utilizing VCM actuators to perform OIS movement of the optical assembly 130. Using SMA lines for AF movement of the optical assembly 103 can provide higher actuation force to overcome and attenuate high-frequency and high-acceleration interference.

[0037] The actuator assembly base 302 may be stationary relative to the AF carrier 308, the first OIS carrier 304, and the lens carrier / second OIS carrier 306. When the AF actuator assembly 309 is activated for AF, the AF carrier 308, the first OIS carrier 304, and the lens carrier / second OIS carrier 306 (and therefore the optical assembly 103) may be movable relative to the actuator assembly base 302 along the optical axis 101. For example, the AF actuator assembly 309 may include an AF ball bearing residing within an AF track 312 vertically formed by both the AF carrier 308 and the actuator assembly base 302, thereby allowing the AF carrier 308, the first OIS carrier 304, the lens carrier / second OIS carrier 306, and the optical assembly 103 to move relative to the actuator base assembly 302 along the optical axis 101 for AF. One or more spring clips 307, positioned above the lens carrier / second OIS carrier 306 and attached to the AF carrier 308, prevent the lens carrier / second OIS carrier 306 from vertically (e.g., along the optical axis 101) separating from the first OIS carrier 304 and the AF carrier 308. A preload plate 316 attached to the AF carrier 308 and a magnet 314 attached to and aligned with the actuator assembly base 302 drag the AF carrier 308 toward the actuator assembly base 302 to hold the ball bearing 310 within the AF track formed by both the AF carrier 308 and the actuator assembly base 302. An electrical connector 318 holds the ends of a pair of SMA wires 322 in a stationary position; this connector is fixedly attached to the actuator assembly base 302 and / or a circuit that remains stationary with the actuator assembly base 302 and relative to the movement of the AF carrier 308 (e.g., Figure 4(Circuit 402). Electrical connector 318 can carry current to and from SMA line 322, and mechanically attach (e.g., fix) or fix SMA line 322 to the base 302 of the static actuator assembly and / or the circuitry. SMA line 322 surrounds a corresponding cover bracket 320 that extends from AF carrier 308 in a direction orthogonal to the optical axis 101 and is positioned in a vertical configuration, with one cover bracket 320 positioned above the other cover bracket 320 in a direction along the optical axis 101. When the SMA line 322 surrounding the higher cover bracket 320 receives current via electrical connector 318, the SMA line 322 contracts, thereby generating a force along the optical axis 101 and toward the image sensor 108 that pulls the AF carrier 308, the first OIS carrier 304, the lens carrier / second OIS carrier 306, and the optical assembly 103. When the SMA line 322, which surrounds the lower cover bracket 320, receives current via the electrical connector 318, the SMA line 322 contracts, thereby generating a force along the optical axis 101 and away from the image sensor 108 that pulls the AF carrier 308, the first OIS carrier 304, the lens carrier / second OIS carrier 306, and the optical assembly 103. Therefore, supplying current to the SMA line 322 causes the SMA line to contract and moves the optical assembly 103 along the optical axis 101 for AF movement.

[0038] The AF carrier 308 may also include ball bearings that engage and move within tracks formed on the object side of the AF carrier 308 and the image side of the first OIS carrier 304. Thus, the ball bearings of the AF carrier 308 and the tracks formed on the object side of the AF carrier 308 and the image side of the first OIS carrier 304 allow the first OIS carrier 304, the lens carrier / second OIS carrier 306, and the optical assembly 103 to move along a first axis (e.g., orthogonal to the optical axis 101) to perform OIS movement of the optical assembly 103. This includes coils (e.g., Figure 4 The illustrated first OIS coil 404) and magnet (e.g., Figure 4 The VCM actuator of the illustrated first OIS magnet 405 can move the first OIS carrier 304, the lens carrier / second OIS carrier 306, and the optical assembly 103 along a first axis to perform OIS movement. For example, the VCM actuator attached to the actuator assembly base 302 and / or the circuitry (e.g., Figure 4 The coil of the illustrated circuit 402 (e.g., Figure 4 The illustrated first OIS coil 404 can be coupled with a magnet attached to the first OIS carrier 304 (e.g., Figure 4The electromagnetic interaction of the illustrated first OIS magnet 405 can cause movement of the first OIS carrier 304, the lens carrier / second OIS carrier 306, and the optical assembly 103 along a first axis. Furthermore, the first OIS carrier 304 may include ball bearings that engage and move within tracks formed on the object side of the first OIS carrier 304 and the image side of the lens carrier / second OIS carrier 306. Thus, the ball bearings of the first OIS carrier 304 and the tracks formed on the object side of the first OIS carrier 304 and the image side of the lens carrier / second OIS carrier 306 allow the lens carrier / second OIS carrier 306 and the optical assembly 103 to move independently of the first OIS carrier 304 along a second axis (e.g., orthogonal to the optical axis 101 and the first axis) to perform OIS movement of the optical assembly 103. This includes coils (e.g., Figure 4 The illustrated second OIS coil 406) and magnet (e.g., Figure 4 The VCM actuator of the illustrated second OIS magnet 403 can move the lens carrier / second OIS carrier 306 and the optical assembly 103 along the second axis to perform OIS movement. For example, the VCM actuator attached to the actuator assembly base 302 and / or the circuitry (e.g., Figure 4 The coil of the illustrated circuit 402 (e.g., Figure 4 The illustrated second OIS coil 406 can be coupled with a magnet attached to the lens carrier / second OIS carrier 306 (e.g., Figure 4 The electromagnetic interaction of the illustrated second OIS magnet 403 can cause the lens carrier / second OIS carrier 306 and optical assembly 103 to move along the second axis.

[0039] Figure 4 Components of an example camera 100 having an actuator module or component 200 according to at least some embodiments are illustrated, which may be used, for example, to provide AF and OIS by lens movement in a small-form-factor camera. Figure 4 An exploded view of camera 100 is shown. Actuator assembly 200 may include components relative to... Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 , Figure 7 , Figure 9 , Figure 10 , Figure 11 and Figure 12 One or more features that are the same as or similar to those described or exemplified therein. Figure 8 The example XYZ coordinate system shown can be used to discuss various aspects of the components and / or systems, and is applicable to the embodiments described throughout this disclosure.

[0040] like Figure 4 As shown, camera 100 may include a housing 113 that receives a printed circuit board (PCB) 234 having an image sensor 108 and a filter 416 (e.g., an infrared cut-off filter, a UV filter) attached thereto. Housing 113, together with shielding / shell 110, may enclose actuator assembly 200. Actuator assembly 200 may include actuator assembly base 302, AF carrier 308, first OIS carrier 304, and lens carrier / second OIS carrier 306.

[0041] AF carrier 308 can be positioned on actuator assembly base 302. Thus, when image sensor 108 is positioned below actuator assembly base 302 on the side of actuator assembly base 302 opposite to optical assembly 103, the vertical stacking of carriers can be arranged in the following order from image sensor 108 to optical assembly 103: actuator assembly base 302, AF carrier 308, first OIS carrier 304, and lens carrier / second OIS carrier 306. Unlike some actuator assemblies that utilize multiple VCM actuators for both OIS and AF movement, actuator assembly 200 can include AF actuator assembly 309, which performs AF movement of optical assembly 103 via AF carrier 308 using SMA line 332, while actuator assembly 200 performs OIS movement of optical assembly 130 using VCM actuators. Using SMA lines for AF movement of optical component 103 can provide higher actuation force to overcome and attenuate high-frequency and high-acceleration interference.

[0042] The actuator assembly base 302 may be stationary relative to the AF carrier 308, the first OIS carrier 304, and the lens carrier / second OIS carrier 306. When the AF actuator assembly 309 is activated for AF, the AF carrier 308, the first OIS carrier 304, and the lens carrier / second OIS carrier 306 (and therefore the optical assembly 103) may be movable relative to the actuator assembly base 302 along the optical axis 101. For example, the AF actuator assembly 309 may include an AF ball bearing residing within an AF track 312 vertically formed by both the AF carrier 308 and the actuator assembly base 302, thereby allowing the AF carrier 308, the first OIS carrier 304, the lens carrier / second OIS carrier 306, and the optical assembly 103 to move relative to the actuator base assembly 302 along the optical axis 101 for AF. One or more spring clips 307, positioned above the lens carrier / second OIS carrier 306 and attached to the AF carrier 308, prevent the lens carrier / second OIS carrier 306 from separating from the first OIS carrier 304 and the AF carrier 308. A preload plate attached to the AF carrier 308 and a magnet attached to the actuator assembly base 302 and aligned with the preload plate 316 drag the AF carrier 308 toward the actuator assembly base 302 to hold the ball bearing within the AF track formed by both the AF carrier 308 and the actuator assembly base 302. An electrical connector holds the ends of a pair of SMA wires 322 in a stationary position. This electrical connector is fixedly attached to the actuator assembly base 302 and / or at least partially surrounds a plurality of carriers (e.g., and attached to the actuator assembly base 302 and / or PCB 234) and remains stationary with the actuator assembly base 302 and relative to the movement of the AF carrier 308. Electrical connectors can carry current to and from the SMA line 322, and mechanically attach (e.g., fix) or secure the SMA line 322 to the static actuator assembly base 302 and / or circuitry 402. The SMA line 322 wraps around a corresponding cover bracket that extends from the AF carrier 308 in a direction orthogonal to the optical axis 101 and is positioned in a vertical configuration, with one cover bracket positioned above the other in the direction along the optical axis 101. When the SMA line 322 wrapping around the higher cover bracket receives current via the electrical connectors, the SMA line 322 contracts, thereby generating a force along the optical axis 101 and toward the image sensor 108 that pulls the AF carrier 308, the first OIS carrier 304, the lens carrier / second OIS carrier 306, and the optical assembly 103. When the SMA line 322 surrounding the lower cover bracket receives current via the electrical connector, the SMA line 322 contracts, thereby generating a force along the optical axis 101 and away from the image sensor 108 that pulls the AF carrier 308, the first OIS carrier 304, the lens carrier / second OIS carrier 306, and the optical assembly 103.Therefore, current is supplied to the SMA line 322 to cause the SMA line to contract and the optical component 103 to move along the optical axis 101 to perform AF movement.

[0043] The AF carrier 308 may also include a first OIS ball bearing 412, which engages and moves within a first OIS track 414 formed on the object side of the AF carrier 308 and the image side of the first OIS carrier 304. Thus, the first OIS ball bearing 412 and the first OIS track 414 formed on the object side of the AF carrier 308 and the image side of the first OIS carrier 304 allow the first OIS carrier 304, the lens carrier / second OIS carrier 306, and the optical assembly 103 to move along a first axis (e.g., orthogonal to the optical axis 101) to perform OIS movement of the optical assembly 103. A VCM actuator including a first OIS coil 404 attached to circuit 402 and a first OIS magnet 405 attached to the first OIS carrier 304 can move the first OIS carrier 304, the lens carrier / second OIS carrier 306, and the optical assembly 103 along the first axis to perform OIS movement of the optical assembly 103. For example, a first OIS coil 404 attached to the actuator assembly base 302 and / or circuit 402 may be aligned with and electromagnetically interact with a first OIS magnet 405 attached to a first OIS carrier 304, so that when the first OIS coil 404 receives current, it causes movement of the first OIS carrier 304, the lens carrier / second OIS carrier 306, and the optical assembly 103 along a first axis. Furthermore, the first OIS carrier 304 may include a second OIS ball bearing 408 that engages and moves within a second OIS track 410 formed on the object side of the first OIS carrier 304 and the image side of the lens carrier / second OIS carrier 306. Thus, the second OIS ball bearing 408 of the first OIS carrier 304 and the second OIS track 410 formed on the object side of the first OIS carrier 304 and the image side of the lens carrier / second OIS carrier 306 allow the lens carrier / second OIS carrier 306 and the optical assembly 103 to move independently of the first OIS carrier 304 and along a second axis (e.g., orthogonal to the optical axis 101 and the first axis) to perform OIS movement of the optical assembly 103. A VCM actuator including a second OIS coil 406 and a second OIS magnet 403 attached to the lens carrier / second OIS carrier 306 can move the lens carrier / second OIS carrier 306 and the optical assembly 103 along the second axis to perform OIS movement. For example, a second OIS coil 406 attached to the actuator assembly base 302 and / or circuit 402 may be aligned with and electromagnetically interact with a second OIS magnet 403 attached to the lens carrier / second OIS carrier 306 to cause movement of the lens carrier / second OIS carrier 306 and the optical assembly 103 along a second axis. A shielding plate 407 may be positioned against the second OIS magnet 403 to guide the magnetic field from the second OIS magnet 403 to the second OIS coil 406.Similarly, the shielding plate 409 can be positioned against the first OIS magnet 405 to guide the magnetic field from the first OIS magnet 405 to the first OIS coil 404.

[0044] Figure 5 Components of an example actuator module or component 200 according to at least some embodiments are illustrated, which may be used, for example, to provide AF and OIS by lens movement in a small-form-factor camera. Figure 5 A perspective view of the actuator assembly base 302 and autofocus (AF) carrier 308 of the actuator module or assembly 200 is shown. The actuator assembly base 302 and the actuator assembly 200 may include components relative to... Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 6 , Figure 7 , Figure 8 , Figure 9 , Figure 10 , Figure 11 , Figure 12 , Figure 13 and Figure 14 One or more features that are the same as or similar to those described or exemplified therein. Figure 5 The example XYZ coordinate system shown can be used to discuss various aspects of the components and / or systems, and is applicable to the embodiments described throughout this disclosure.

[0045] like Figure 5 As shown, the AF carrier 308 can be positioned on the actuator assembly base 302. Unlike some actuator assemblies that utilize multiple VCM actuators for both OIS movement and AF movement, actuator assembly 200 may include an AF actuator assembly 309 that uses SMA lines via the AF carrier 308 to perform AF movement of the optical assembly, while actuator assembly 200 uses VCM actuators to perform OIS movement of the optical assembly 130. Using SMA lines for AF movement of the optical assembly 103 can provide higher actuation force to overcome and attenuate high-frequency and high-acceleration interference.

[0046] The actuator assembly base 302 may be stationary relative to the AF carrier 308 (and the first OIS carrier 304 and the lens carrier / second OIS carrier 306). When the AF actuator assembly 309 is activated for AF, the AF carrier 308 (and the first OIS carrier 304 and the lens carrier / second OIS carrier 306) (and therefore the optical assembly 103) may be movable relative to the actuator assembly base 302 along the optical axis 101. For example, the AF actuator assembly 309 may include an AF ball bearing residing within an AF track vertically formed by both the AF carrier 308 and the actuator assembly base, thereby allowing the AF carrier 308 (and the first OIS carrier 304, the lens carrier / second OIS carrier 306, and the optical assembly 103) to move relative to the actuator base assembly 302 along the optical axis 101 for AF. A preload plate attached to the AF carrier 308 and a magnet attached to the actuator assembly base 302 and aligned with the preload plate 316 drag the AF carrier 308 toward the actuator assembly base 302 to hold the ball bearing within the AF track formed by both the AF carrier 308 and the actuator assembly base 302. An electrical connector holds the ends of a pair of SMA lines in a stationary position. This electrical connector is fixedly attached to the actuator assembly base 302 and / or at least partially surrounds a plurality of carriers and remains stationary with the actuator assembly base 302 and relative to the movement of the AF carrier 308. The electrical connector can carry current to and from the SMA lines and mechanically attach (e.g., fixedly attach) or fix the SMA lines to the static actuator assembly base 302 and / or the circuitry. SMA lines are wrapped around corresponding cover brackets that extend from the AF carrier 308 in a direction orthogonal to the optical axis and are positioned in a vertical configuration, with one cover bracket positioned above the other in the direction along the optical axis. When the SMA line wrapped around the higher cover bracket receives current via an electrical connector, the SMA line contracts, thereby generating a force along the optical axis 101 and toward the image sensor 108 and the actuator assembly base 302 that pulls the AF carrier 308 (as well as the first OIS carrier 304, the lens carrier / second OIS carrier 306, and the optical assembly 103). When the SMA line wrapped around the lower cover bracket receives current via an electrical connector, the SMA line contracts, thereby generating a force along the optical axis 101 and away from the image sensor 108 that pulls the AF carrier 308, the first OIS carrier 304, the lens carrier / second OIS carrier 306, and the optical assembly 103. Therefore, supplying current to the SMA line 322 causes the SMA line to contract and moves the optical assembly 103 along the optical axis 101 to perform AF movement.

[0047] The AF carrier 308 may also include a first OIS ball bearing 412, which engages and moves within a first OIS track 414 formed on the object side of the AF carrier 308 and the image side of the first OIS carrier 304. Thus, the first OIS ball bearing 412 and the first OIS track 414 formed on the object side of the AF carrier 308 and the image side of the first OIS carrier 304 allow the first OIS carrier 304, the lens carrier / second OIS carrier 306, and the optical assembly 103 to move along a first axis (e.g., orthogonal to the optical axis 101) to perform OIS movement of the optical assembly 103. A VCM actuator including a first OIS coil 404 attached to circuit 402 and a first OIS magnet 405 attached to the first OIS carrier 304 can move the first OIS carrier 304, the lens carrier / second OIS carrier 306, and the optical assembly 103 along the first axis to perform OIS movement of the optical assembly 103. For example, a first OIS coil 404 attached to the actuator assembly base 302 and / or circuit 402 may be aligned with and electromagnetically interact with a first OIS magnet 405 attached to a first OIS carrier 304, so that when the first OIS coil 404 receives current, it causes movement of the first OIS carrier 304, the lens carrier / second OIS carrier 306, and the optical assembly 103 along a first axis. Furthermore, the first OIS carrier 304 may include a second OIS ball bearing 408 that engages and moves within a second OIS track 410 formed on the object side of the first OIS carrier 304 and the image side of the lens carrier / second OIS carrier 306. Thus, the second OIS ball bearing 408 of the first OIS carrier 304 and the second OIS track 410 formed on the object side of the first OIS carrier 304 and the image side of the lens carrier / second OIS carrier 306 allow the lens carrier / second OIS carrier 306 and the optical assembly 103 to move independently of the first OIS carrier 304 and along a second axis (e.g., orthogonal to the optical axis 101 and the first axis) to perform OIS movement of the optical assembly 103. A VCM actuator including a second OIS coil 406 and a second OIS magnet 403 can move the lens carrier / second OIS carrier 306 and the optical assembly 103 along the second axis to perform OIS movement. For example, the second OIS coil 406 attached to the actuator assembly base 302 and / or circuit 402 may be aligned with the second OIS magnet 403 attached to the lens carrier / second OIS carrier 306 and may interact electromagnetically with the second OIS magnet to cause movement of the lens carrier / second OIS carrier 306 and the optical assembly 103 along the second axis.

[0048] Figure 6Components of an example AF actuator assembly 309 are illustrated according to at least some embodiments of an actuator module or assembly 200, which may be used, for example, to provide AF and OIS by lens movement in a small form factor camera. Figure 6 A perspective view of the AF actuator assembly 309 of the actuator module or assembly 200 is shown. The AF actuator assembly 309 and the actuator assembly 200 may include components relative to... Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 7 , Figure 8 , Figure 9 , Figure 10 , Figure 11 , Figure 12 , Figure 13 and Figure 14 One or more features that are the same as or similar to those described or exemplified therein. Figure 6 The example XYZ coordinate system shown can be used to discuss various aspects of the components and / or systems, and is applicable to the embodiments described throughout this disclosure.

[0049] The AF carrier 308 (and the first OIS carrier 304 and the lens carrier / second OIS carrier 306) is movable relative to the actuator assembly base 302. When the AF actuator assembly 309 is activated for AF, the AF carrier 308 (and the first OIS carrier 304 and the lens carrier / second OIS carrier 306) (and therefore the optical assembly 103) is movable relative to the actuator assembly base 302 along the optical axis 101. For example, the AF actuator assembly 309 may include an AF ball bearing 310 residing within an AF track 312 vertically formed by both the AF carrier 308 and the actuator assembly base 302, thereby allowing the AF carrier 308 (and the first OIS carrier 304, the lens carrier / second OIS carrier 306, and the optical assembly 103) to move relative to the actuator base assembly 302 along the optical axis 101 for AF. For example, the AF track 312a may be composed of, for example, Figure 6 The AF carrier 308 shown is formed, and the AF track 312b can be formed by, for example... Figure 8The actuator assembly base 302 shown is formed. A preload plate attached to the actuator assembly base 302 and a magnet 604 attached to and aligned with the AF carrier 308 drag the AF carrier 308 toward the actuator assembly base 302 to hold the AF ball bearing 310 within the AF track 312 formed by both the AF carrier 308 and the actuator assembly base 302. In some aspects, larger ball bearings may be positioned at the ends of the AF track 312, with smaller ball bearings located between the larger ball bearings. This configuration reduces friction during the movement of the ball bearings within the AF track. An electrical connector 602 holds the ends of a pair of SMA lines 322 in a stationary position. This electrical connector is fixedly attached to the actuator assembly base 302 and / or at least partially surrounds a plurality of carriers and remains stationary with the actuator assembly base 302 and relative to the movement of the AF carrier 308. For example, a first connector 602a and a second connector 602b, fixedly attached to circuit 402, are attached to the end of a first SMA line 322a surrounding above the first cover support 320a. Similarly, a third connector 602c and a fourth connector 602d, fixedly attached to circuit 402, are attached to the end of a second SMA line 322b surrounding below the second cover support 320b. Electrical connectors 602 can carry current to and from the SMA line 322 and mechanically attach (e.g., fixedly attach) or secure the SMA line 322 to the static actuator assembly base 302 and / or circuit 402. The AF carrier 308 includes a first cover support 320a and a second cover support 320b extending from the AF carrier 308 in a direction orthogonal to the optical axis. The first cover bracket 322a and the second cover bracket 322b can be positioned in a vertical configuration, wherein the first cover bracket 322a is positioned above the second cover bracket 322b in a direction along the optical axis 101. When the first SMA line 322a surrounding the first cover bracket 320a receives current via electrical connectors 602a and 602b, the first SMA line 322a contracts, thereby generating a force along the optical axis 101 and pulling the AF carrier 308 (as well as the first OIS carrier 304, lens carrier / second OIS carrier 306, and optical assembly 103) toward the image sensor 108 and the actuator assembly base 302. When the second SMA line 322b, which surrounds the second cover support 320b, receives current via electrical connectors 602c and 602d, the second SMA line 322b contracts, thereby generating a force along the optical axis 101 and away from the image sensor 108 that pulls the AF carrier 308, the first OIS carrier 304, the lens carrier / second OIS carrier 306, and the optical assembly 103. Therefore, supplying current to the SMA line 322b causes it to contract and moves the optical assembly 103 along the optical axis 101 for AF movement.

[0050] Figure 7Components of an optical image stabilization (OIS) actuator assembly 702 and an AF actuator assembly 309 according to at least some embodiments are illustrated. The actuator module or assembly 200 may be used, for example, to provide AF and OIS by lens movement in a small-form-factor camera. Figure 7 A perspective view of the OIS actuator assembly 702 and AF actuator assembly 309 of actuator module or assembly 200 is shown. The OIS actuator assembly 702, AF actuator assembly 309, and actuator assembly 200 may include components relative to... Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 , Figure 8 , Figure 9 , Figure 10 , Figure 11 , Figure 12 , Figure 13 and Figure 14 One or more features that are the same as or similar to those described or exemplified therein. Figure 7 The example XYZ coordinate system shown can be used to discuss various aspects of the components and / or systems, and is applicable to the embodiments described throughout this disclosure.

[0051] like Figure 7As shown, actuator assembly 200 may include OIS actuator assembly 702. OIS actuator assembly 702 may include one or more VCM actuators. For example, OIS actuator assembly 702 may include a first OIS coil 404 attached to circuit 402 and a first OIS magnet 405 attached to a first OIS carrier 304. The first OIS coil 404 may be aligned with the first OIS magnet 405 and may move the first OIS carrier 304, lens carrier / second OIS carrier 306, and optical assembly 103 along a first axis to perform OIS movement of optical assembly 103. For example, the first OIS coil 404 attached to actuator assembly base 302 and / or circuit 402 may be aligned with the first OIS magnet 405 attached to the first OIS carrier 304 and may electromagnetically interact with the first OIS magnet to cause movement of the first OIS carrier 304, lens carrier / second OIS carrier 306, and optical assembly 103 along the first axis when the first OIS coil 404 receives current. OIS actuator assembly 702 may further include a second OIS coil 406 attached to circuit 402 and a second OIS magnet 403 attached to lens carrier / second OIS carrier 306. The second OIS coil 406 may be aligned with the second OIS magnet 403 and may move the first OIS carrier 304, lens carrier / second OIS carrier 306, and optical assembly 103 along a second axis to perform OIS movement of the optical assembly 103. For example, the second OIS coil 406 attached to actuator assembly base 302 and / or circuit 402 may be aligned with and electromagnetically interact with the second OIS magnet 403 attached to lens carrier / second OIS carrier 306 to cause movement of lens carrier / second OIS carrier 306 and optical assembly 103 along the second axis when the second OIS coil 406 receives current. It should also be noted that the preload plate can be positioned on the side of the first OIS coil 404 opposite to the first OIS magnet 405 and on the side of the second OIS coil 406 opposite to the second OIS magnet 403 to keep the OIS magnet adjacent to the OIS coil.

[0052] Actuator assembly 200 may further include AF actuator assembly 309. AF actuator assembly 309 may include magnet 604, preload plate 316, electrical connector 318, first SMA line 322a, and second SMA line 322b. In some aspects, preload plate 316 may be replaced by a magnet. Preload plate 316, which may be attached to actuator assembly base 302, and magnet 604, which may be attached to AF carrier 308 and aligned with the preload plate, drag AF carrier 308 toward actuator assembly base 302 to hold the AF ball bearing within the AF track formed by both AF carrier 308 and actuator assembly base 302. Electrical connector 318 holds the ends of a pair of SMA lines 322 in a stationary position. This electrical connector is fixedly attached to actuator assembly base 302 and / or at least partially surrounds a plurality of carriers and remains stationary with actuator assembly base 302 and relative to movement of AF carrier 308. For example, a first electrical connector 318a, fixedly attached to circuit 402, may also be attached to the end of a first SMA line 322a surrounding the first cover support 320. Similarly, a second electrical connector 318b, fixedly attached to circuit 402, may be attached to the end of a second SMA line 322b surrounding the second cover support 320. Furthermore, a third electrical connector 318c may carry return current from the first SMA line 318a and the second SMA line 318b. Electrical connectors 318a and 318b may carry current to and from the SMA line 322, and mechanically attach (e.g., fixedly attach) or secure the SMA line 322 to the static actuator assembly base 302 and / or circuit 402. When the first SMA line 322, which surrounds the first cover bracket 320, receives current via the first electrical connector 318a, the first SMA line 322 contracts, thereby generating a force along the optical axis 101 and toward the image sensor 108 and the actuator assembly base 302, pulling the AF carrier 308 (and the first OIS carrier 304, lens carrier / second OIS carrier 306, and optical assembly 103). When the second SMA line 322, which surrounds the second cover bracket 320, receives current via the second electrical connector 318b, the second SMA line 322 contracts, thereby generating a force along the optical axis 101 and away from the image sensor 108, pulling the AF carrier 308, the first OIS carrier 304, the lens carrier / second OIS carrier 306, and the optical assembly 103. Therefore, supplying current to the SMA line 322 causes the SMA line 322 to contract and moves the optical assembly 103 along the optical axis 101 to perform AF movement.

[0053] Figure 8 Components of an example actuator module or component 200 according to at least some embodiments are illustrated, which may be used, for example, to provide AF and OIS by lens movement in a small-form-factor camera. Figure 8A perspective view of actuator module or component 200 is shown. Actuator component 200 may include components relative to... Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 , Figure 7 , Figure 9 , Figure 10 , Figure 11 , Figure 12 , Figure 13 and Figure 14 One or more features that are the same as or similar to those described or exemplified therein. Figure 8 The example XYZ coordinate system shown can be used to discuss various aspects of the components and / or systems, and is applicable to the embodiments described throughout this disclosure.

[0054] Actuator assembly 200 may include actuator assembly base 302 and AF actuator assembly 309. Actuator assembly base 302 may be stationary relative to AF carrier 308 (and first OIS carrier 304 and lens carrier / second OIS carrier 306), which moves along optical axis 101 for AF. AF actuator assembly 309 may include AF ball bearing 310 residing within AF track 312 vertically formed by both AF carrier 308 and actuator assembly base 302, thereby allowing AF carrier 308 (and first OIS carrier 304, lens carrier / second OIS carrier 306 and optical assembly 103) to move relative to actuator base assembly 302 along optical axis 101 for AF. For example, AF track 312a may be formed by, for example, Figure 6 The AF carrier 308 shown is formed, and the AF track 312b can be formed by, for example... Figure 8The actuator assembly base 302 shown is formed. A preload plate attached to the AF carrier 308 and a magnet attached to the actuator assembly base 302 (or vice versa) and aligned with the preload plate drag the AF carrier 308 toward the actuator assembly base 302 to hold the AF ball bearing 310 within the AF track 312 formed by both the AF carrier 308 and the actuator assembly base 302. An electrical connector 318 holds the end of the SMA line in a stationary position. This electrical connector is fixedly attached to the actuator assembly base 302 and / or at least partially surrounds a plurality of carriers and remains stationary with the actuator assembly base 302 and relative to the movement of the AF carrier 308. For example, a single electrical connector 318, including a first electrical connector 318a and a second electrical connector 318b, can supply current to the first SMA line 322a and the second SMA line 322b, respectively, and a third electrical connector 318b can supply return current to both the first SMA line 322a and the second SMA line 322b. This allows each of the first SMA line 322a and the second SMA line 322b to be actuated independently. Therefore, different amounts of current can be supplied (e.g., simultaneously) to the first SMA line 322a and the second SMA line 322b, not only for moving the optical assembly 103 along the optical axis 101, but also for controlling the speed at which the optical assembly 130 moves along the optical axis 101. The electrical connectors 318 can also provide fixed and static contact such that when the SMA line 322 contracts, the contraction causes movement of the AF carrier 308. In other words, the electrical connector 318 can carry current to and from the SMA line 322, and mechanically attach (e.g., fix) or fix the SMA line 322 to the static actuator assembly base 302 and / or the circuitry 402. The SMA lines wrap around corresponding cover supports that extend from the AF carrier 308 in a direction orthogonal to the optical axis and are positioned in a vertical configuration, with one cover support positioned above the other in a direction along the optical axis. When the first SMA line 322a wrapped around the higher cover support receives current via the electrical connector 318, the first SMA line 322a contracts, thereby generating a force along the optical axis 101 and toward the image sensor 108 and the actuator assembly base 302 that pulls the AF carrier 308 (and the first OIS carrier 304, lens carrier / second OIS carrier 306, and optical assembly 103) towards it. When the second SMA line 322b, which surrounds the lower cover support, receives current via the electrical connector, the second SMA line 322b contracts, thereby generating a force along the optical axis 101 and away from the image sensor 108 that pulls the AF carrier 308, the first OIS carrier 304, the lens carrier / second OIS carrier 306, and the optical assembly 103. Therefore, supplying current to the SMA line 322b causes the SMA line to contract and moves the optical assembly 103 along the optical axis 101 for AF movement.

[0055] Figure 9 Components of an example actuator module or component 200 according to at least some embodiments are illustrated, which may be used, for example, to provide AF and OIS by lens movement in a small-form-factor camera. Figure 9 A perspective view of actuator module or component 200 is shown. Figure 10 Components of an example actuator module or component 200 according to at least some embodiments are illustrated, which may be used, for example, to provide AF and OIS by lens movement in a small-form-factor camera. Figure 10 A perspective view of actuator module or component 200 is shown. Actuator component 200 may include components relative to... Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 , Figure 7 , Figure 8 , Figure 11 , Figure 12 , Figure 13 and Figure 14 One or more features that are the same as or similar to those described or exemplified therein. Figure 9 and Figure 10 The example XYZ coordinate system shown can be used to discuss various aspects of the components and / or systems, and is applicable to the embodiments described throughout this disclosure.

[0056] like Figure 9 and Figure 10 As shown, actuator assembly 200 may include AF actuator assembly 309 and circuitry 402. Circuitry 402 may be wound around a plurality of carriers and actuator assembly base 302. Electrical connectors 318 may extend from SMA line 322 through actuator assembly base 302 and into circuitry 402 to provide current and return current through SMA line 322. Electrical contacts 902 may provide and receive current to and from electrical connectors 318 (e.g., first electrical connector 318a, second electrical connector 318b, third electrical connector 318c) for SMA line 322 for AF movement of optical assembly 103. Furthermore, electrical contacts 902 may provide and return current to first OIS coil 404 and second OIS coil 406 for OIS movement of optical assembly 103.

[0057] Figure 11 Components of an example actuator module or component 200 according to at least some embodiments are illustrated, which may be used, for example, to provide AF and OIS by lens movement in a small-form-factor camera. Figure 11 A perspective view of actuator module or component 200 is shown. Figure 12Components of an example actuator module or component 200 according to at least some embodiments are illustrated, which may be used, for example, to provide AF and OIS by lens movement in a small-form-factor camera. Figure 12 A perspective view of actuator module or component 200 is shown. Actuator component 200 may include components relative to... Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 , Figure 7 , Figure 8 , Figure 9 , Figure 10 , Figure 13 and Figure 14 One or more features that are the same as or similar to those described or exemplified therein. Figure 12 The example XYZ coordinate system shown can be used to discuss various aspects of the components and / or systems, and is applicable to the embodiments described throughout this disclosure.

[0058] like Figure 11 and Figure 12 As shown, the actuator assembly 200 of the camera 100 may include an AF carrier 308, a first OIS carrier 304, and a lens carrier / second OIS carrier 306. The AF carrier 308 may be positioned on the actuator assembly base 302. Thus, when the image sensor 108 is positioned below the actuator assembly base 302 on the side of the actuator assembly base 302 opposite to the optical assembly 103, the vertical stacking of the carriers may be arranged in the following order from the image sensor 108 to the optical assembly 103: actuator assembly base 302, AF carrier 308, first OIS carrier 304, and lens carrier / second OIS carrier 306. Unlike some actuator assemblies that utilize multiple VCM actuators for both OIS and AF movement, actuator assembly 200 may include an AF actuator assembly 309 that performs AF movement of optical assembly 103 via AF carrier 308 using SMA lines 332, while actuator assembly 200 utilizes VCM actuators for OIS movement of optical assembly 130. Using SMA lines for AF movement of optical assembly 103 can provide higher actuation force to overcome and attenuate high-frequency and high-acceleration interference.

[0059] AF carrier 308, first OIS carrier 304, and lens carrier / second OIS carrier 306 are movable relative to actuator assembly base 302. When AF actuator assembly 309 is activated for AF, AF carrier 308, first OIS carrier 304, and lens carrier / second OIS carrier 306 (and therefore optical assembly 103) are movable relative to actuator assembly base 302 along optical axis 101. For example, AF actuator assembly 309 may include AF ball bearing 310 residing within AF track 312 vertically formed by both AF carrier 308 and actuator assembly base 302, thereby allowing AF movement of AF carrier 308, first OIS carrier 304, lens carrier / second OIS carrier 306, and optical assembly 103 relative to actuator base assembly 302 along optical axis 101. A preload plate attached to the AF carrier 308 and a magnet attached to the actuator assembly base 302 and aligned with the preload plate 316 drag the AF carrier 308 toward the actuator assembly base 302 to hold the ball bearing within the AF track formed by both the AF carrier 308 and the actuator assembly base 302. An electrical connector holds the ends of a pair of SMA lines 322 in a stationary position. This electrical connector is fixedly attached to the actuator assembly base 302 and / or at least partially surrounds a plurality of carriers and remains stationary with the actuator assembly base 302 and relative to the movement of the AF carrier 308. The electrical connector can carry current to and from the SMA lines 322 and mechanically attach (e.g., fixedly attach) or fix the SMA lines 322 to the static actuator assembly base 302 and / or the circuit 402. SMA lines 322 are wrapped around corresponding cover brackets that extend from the AF carrier 308 in a direction orthogonal to the optical axis 101 and are positioned in a vertical configuration, with one cover bracket positioned above the other in the direction along the optical axis 101. When the SMA line 322 wrapped around the higher cover bracket receives current via an electrical connector, the SMA line 322 contracts, thereby generating a force along the optical axis 101 and toward the image sensor 108 that pulls the AF carrier 308, the first OIS carrier 304, the lens carrier / second OIS carrier 306, and the optical assembly 103. When the SMA line 322 wrapped around the lower cover bracket receives current via an electrical connector, the SMA line 322 contracts, thereby generating a force along the optical axis 101 and away from the image sensor 108 that pulls the AF carrier 308, the first OIS carrier 304, the lens carrier / second OIS carrier 306, and the optical assembly 103. Therefore, current is supplied to the SMA line 322 to cause the SMA line to contract and the optical component 103 to move along the optical axis 101 to perform AF movement.

[0060] The AF carrier 308 may also include a first OIS ball bearing 412, which engages and moves within a first OIS track 414 formed on the object side of the AF carrier 308 and the image side of the first OIS carrier 304. Thus, the first OIS ball bearing 412 and the first OIS track 414 formed on the object side of the AF carrier 308 and the image side of the first OIS carrier 304 allow the first OIS carrier 304, the lens carrier / second OIS carrier 306, and the optical assembly 103 to move along a first axis (e.g., orthogonal to the optical axis 101) to perform OIS movement of the optical assembly 103. A VCM actuator including a first OIS coil 404 attached to circuit 402 and a first OIS magnet 405 attached to the first OIS carrier 304 can move the first OIS carrier 304, the lens carrier / second OIS carrier 306, and the optical assembly 103 along the first axis to perform OIS movement of the optical assembly 103. For example, a first OIS coil 404 attached to the actuator assembly base 302 and / or circuit 402 may be aligned with and electromagnetically interact with a first OIS magnet 405 attached to a first OIS carrier 304, so that when the first OIS coil 404 receives current, it causes movement of the first OIS carrier 304, the lens carrier / second OIS carrier 306, and the optical assembly 103 along a first axis. Furthermore, the first OIS carrier 304 may include a second OIS ball bearing 408 that engages and moves within a second OIS track 410 formed on the object side of the first OIS carrier 304 and the image side of the lens carrier / second OIS carrier 306. Thus, the second OIS ball bearing 408 of the first OIS carrier 304 and the second OIS track 410 formed on the object side of the first OIS carrier 304 and the image side of the lens carrier / second OIS carrier 306 allow the lens carrier / second OIS carrier 306 and the optical assembly 103 to move independently of the first OIS carrier 304 and along a second axis (e.g., orthogonal to the optical axis 101 and the first axis) to perform OIS movement of the optical assembly 103. A VCM actuator including a second OIS coil 406 and a second OIS magnet 403 can move the lens carrier / second OIS carrier 306 and the optical assembly 103 along the second axis to perform OIS movement. For example, the second OIS coil 406 attached to the actuator assembly base 302 and / or circuit 402 may be aligned with the second OIS magnet 403 attached to the lens carrier / second OIS carrier 306 and may interact electromagnetically with the second OIS magnet to cause movement of the lens carrier / second OIS carrier 306 and the optical assembly 103 along the second axis.

[0061] Figure 13 Examples of embodiments include cameras (e.g., as described herein regarding...) Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 , Figure 7 , Figure 8 , Figure 9 , Figure 10 , Figure 13 , Figure 12 and Figure 14 A schematic diagram of example device 1300 (described). In some embodiments, device 1300 may be a mobile device and / or a multi-functional device. In various embodiments, device 1300 may be any of a variety of types of devices, including but not limited to: personal computer systems, desktop computers, laptops, notebook computers, tablet computers, all-in-one computers, tablet computers or netbook computers, mainframe computers, handheld computers, workstations, network computers, cameras, set-top boxes, mobile devices, augmented reality (AR) and / or virtual reality (VR) headsets, consumer devices, video game controllers, handheld video game devices, application servers, storage devices, televisions, video recording equipment, peripheral devices (such as switches, modems, routers), or any type of computing or electronic device in general.

[0062] In some embodiments, device 1300 may include a display system 1302 (e.g., including a display and / or a touch-sensitive surface) and / or one or more cameras 1304. In some non-limiting embodiments, the display system 1302 and / or one or more forward-facing cameras 1304a may be disposed on the front side of device 1300, for example, as shown in the image. Figure 13 As indicated. Additionally or alternatively, one or more rear-facing cameras 1304b may be disposed at the rear of the device 1300. In some embodiments including multiple cameras 1304, some or all of the cameras may be identical or similar to each other. Additionally or alternatively, some or all of the cameras may be different from each other. In various embodiments, the position and / or arrangement of the cameras 1304 may vary. Figure 13 The cameras indicated in the document.

[0063] Among other things, device 1300 may include memory 1306 (e.g., including operating system 1308 and / or application / program instructions 1310), one or more processors and / or controllers 1312 (e.g., including CPU, memory controller, display controller, and / or camera controller, etc.) and / or one or more sensors 1316 (e.g., orientation sensor, proximity sensor, and / or position sensor, etc.). In some embodiments, device 1300 may communicate with one or more other devices and / or services, such as computing device 1318, cloud service 1320, etc., via one or more networks 1322. For example, device 1300 may include a network interface (e.g., network interface 1310) that enables device 1300 to transmit data to and receive data from network 1322. Additionally or alternatively, device 1300 may be able to communicate wirelessly with other devices using any of a variety of communication standards, protocols, and / or technologies.

[0064] Figure 14 A schematic block diagram of an example computing device, referred to as computer system 1400, is illustrated, which may include or host an implementation of a camera (e.g., as described herein). Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 , Figure 7 , Figure 8 , Figure 9 , Figure 10 , Figure 11 , Figure 12 and Figure 13 (As described herein). Furthermore, the computer system 1400 may implement methods for controlling the operation of the camera and / or for performing image processing on images captured using the camera. In some embodiments, additionally or alternatively, the device 1400 (referenced herein) Figure 14 The components described herein may include some or all of the functional components of the computer system 1400 described herein.

[0065] Computer system 1400 may be configured to perform any or all of the embodiments described above. In different embodiments, computer system 1400 may be any of a variety of types of devices, including but not limited to: personal computer systems, desktop computers, laptops, notebook computers, tablet computers, all-in-one computers, tablet computers or netbooks, mainframe computers, handheld computers, workstations, network computers, cameras, set-top boxes, mobile devices, augmented reality (AR) and / or virtual reality (VR) headsets, consumer devices, video game controllers, handheld video game devices, application servers, storage devices, televisions, video recording equipment, peripheral devices (such as switches, modems, routers), or any type of computing or electronic device in general.

[0066] In the illustrated embodiment, computer system 1400 includes one or more processors 1402 coupled to system memory 1404 via input / output (I / O) interface 1406. Computer system 1400 also includes one or more cameras 1408 coupled to I / O interface 1406. Computer system 1400 also includes a network interface 1410 coupled to I / O interface 1406, and one or more input / output devices 1412 such as cursor control device 1414, keyboard 1416, and display 1418. In some cases, it is contemplated that an embodiment may be implemented using a single instance of computer system 1400, while in other embodiments, multiple such systems or multiple nodes constituting computer system 1400 may be configured to host different portions or instances of the embodiment. For example, in one embodiment, some elements may be implemented via one or more nodes of computer system 1400 that are different from those implementing other elements.

[0067] In various embodiments, computer system 1400 may be a single-processor system including one processor 1402 or a multiprocessor system including several processors 1402 (e.g., two, four, eight, or another suitable number). Processor 1402 may be any suitable processor capable of executing instructions. For example, in various embodiments, processor 1402 may be a general-purpose or embedded processor implementing any of a variety of instruction set architectures (ISAs) (such as x86, PowerPC, SPARC, or MIPS ISA, or any other suitable ISA). In a multiprocessor system, each processor in processor 1402 may, but is not required to, implement the same ISA.

[0068] System memory 1404 may be configured to store program instructions 1420 accessible to processor 1402. In various embodiments, system memory 1404 may be implemented using any suitable memory technology, such as static random access memory (SRAM), synchronous dynamic RAM (SDRAM), non-volatile / flash memory, or any other type of memory. Additionally, existing camera control data 1422 in memory 1404 may include any of the information or data structures described above. In some embodiments, program instructions 1420 and / or data 1422 may be received, transmitted, or stored on a different type of computer-accessible medium or similar medium separate from system memory 1404 or computer system 1400. In various embodiments, some or all of the functions described herein may be implemented via such computer system 1400.

[0069] In one embodiment, I / O interface 1406 may be configured to coordinate I / O traffic between processor 1402, system memory 1404, and any peripheral devices (including network interface 1410 or other peripheral device interfaces, such as input / output device 1412) within the device. In some embodiments, I / O interface 1406 may perform any necessary protocol, timing, or other data conversions to convert data signals from one component (e.g., system memory 1404) into a format suitable for use by another component (e.g., processor 1402). In some embodiments, I / O interface 1406 may include support for devices attached, for example, via various types of peripheral buses (such as the Peripheral Component Interconnect (PCI) bus standard or variants of the Universal Serial Bus (USB) standard). In some embodiments, the functionality of I / O interface 1406 may be partitioned into two or more separate components, such as a north bridge and a south bridge. Furthermore, in some embodiments, some or all of the functionality of I / O interface 1406 (such as an interface to system memory 1404) may be directly incorporated into processor 1402.

[0070] Network interface 1410 may be configured to allow data exchange between computer system 1400 and other devices (e.g., carrier or agent devices) attached to network 1424, or between nodes of computer system 1400. In various embodiments, network 1424 may include one or more networks, including but not limited to local area networks (LANs) (e.g., Ethernet or enterprise networks), wide area networks (WANs) (e.g., the Internet), wireless data networks, some other electronic data network, or some combination thereof. In various embodiments, network interface 1410 may support communication via wired or wireless general-purpose data networks (such as any suitable type of Ethernet network); communication via telecommunications / telephone networks (such as analog voice networks or digital fiber optic communication networks); communication via storage area networks (such as Fibre Channel SANs); or communication via any other suitable type of network and / or protocol.

[0071] In some embodiments, input / output device 1412 may include one or more display terminals, keyboards, keypads, touchpads, scanning devices, voice or optical recognition devices, or any other device suitable for inputting or accessing data by one or more computer systems 1400. Multiple input / output devices 1412 may be present in computer system 1400 or distributed across various nodes of computer system 1400. In some embodiments, similar input / output devices may be separate from computer system 1400 and may interact with one or more nodes of computer system 1400 via wired or wireless connections (such as via network interface 1410).

[0072] Those skilled in the art will understand that computer system 1400 is merely illustrative and not intended to limit the scope of embodiments. Specifically, computer systems and devices may include any combination of hardware or software capable of performing the indicated functions, including computers, network devices, internet devices, PDAs, wireless telephones, pagers, etc. Computer system 1400 may also be connected to other devices not illustrated, or alternatively may operate as a standalone system. Furthermore, the functionality provided by the illustrated components may, in some embodiments, be combined into fewer components or distributed across additional components. Similarly, in some embodiments, the functionality of some of the illustrated components may not be provided, and / or other additional functions may be available.

[0073] Those skilled in the art will also recognize that while various items are illustrated as being stored in memory or on storage devices during use, these items, or portions thereof, may be transferred between memory and other storage devices for memory management and data integrity purposes. Alternatively, in other embodiments, some or all of these software components may be executed in memory on another device and communicate with the illustrated computer system via inter-computer communication. Some or all of system components or data structures may also be stored (e.g., as instructions or structured data) on a computer-accessible medium or portable article of manufacture for reading by a suitable drive, various examples of which are described above. In some embodiments, instructions stored on a computer-accessible medium separate from computer system 1400 may be transmitted to computer system 1400 via a transmission medium or signal (such as electrical, electromagnetic, or digital signals transmitted via communication media such as networks and / or wireless links). Various embodiments may also include receiving, transmitting, or storing instructions and / or data implemented according to the above description on a computer-accessible medium. Generally, computer-accessible media may include non-transitory computer-readable storage media or memory media, such as magnetic or optical media, like discs or DVD / CD-ROMs, and volatile or non-volatile media, such as RAM (e.g., SDRAM, DDR, RDRAM, SRAM, etc.), ROM, etc. In some embodiments, computer-accessible media may include transmission media or signals, such as electrical signals, electromagnetic signals, or digital signals transmitted via communication media such as networks and / or wireless links.

[0074] In different implementations, the methods described herein can be implemented in software, hardware, or a combination thereof. Furthermore, the order of the blocks of the method can be changed, and various elements can be added, reordered, combined, omitted, modified, etc. Various modifications and changes will be apparent to those skilled in the art who benefit from this disclosure. The various implementations described herein are intended to be illustrative and not restrictive. Many variations, modifications, additions, and improvements are possible. Thus, multiple examples may be provided for a component described herein as a single example. The boundaries between various components, operations, and data repositories are somewhat arbitrary, and specific operations are shown in the context of a particular example configuration. Other allocations of functionality are contemplated, which may fall within the scope of the appended claims. Finally, the structures and functions of discrete components presented in the example configurations may be implemented as combined structures or components. These and other variations, modifications, additions, and improvements may fall within the scope of the implementations as defined in the following claims.

Claims

1. A camera, the camera comprising: An optical component having one or more lenses defining an optical axis; Actuator assembly, wherein the actuator assembly includes: Multiple carriers, wherein a respective carrier among the multiple carriers is configured to allow the optical component to move along a respective axis among the optical axis, a first axis orthogonal to the optical axis, and a second axis orthogonal to both the first axis and the optical axis; Multiple ball bearings for the respective carrier, wherein a respective ball bearing among the multiple ball bearings is used to allow movement along the respective axis; as well as A plurality of actuators, wherein a respective actuator of the plurality of actuators is configured to move the optical component along the respective axis via the respective carrier, wherein the plurality of actuators includes one or more shape memory alloy SMA wires for moving the optical component along the optical axis via at least one of the plurality of carriers for autofocus AF.

2. The camera according to claim 1, wherein the plurality of carriers includes at least a first optical image stabilization (OIS) carrier, a second OIS carrier, and an AF carrier arranged in a stacked configuration along the optical axis.

3. The camera of claim 2, wherein the second OIS carrier is fixedly attached to the optical component, and wherein the first OIS carrier is positioned along the optical axis between the AF carrier and the second OIS carrier.

4. The camera of claim 1, wherein the actuator assembly further comprises circuitry at least partially wound around the plurality of carriers and including one or more OIS coils for OIS movement of the optical assembly, wherein the circuitry is configured to supply current to the one or more OIS coils for OIS movement of the optical assembly and to supply current to the SMA line for AF movement of the optical assembly.

5. The camera of claim 4, wherein the actuator assembly further comprises one or more OIS magnets, wherein the one or more OIS magnets are aligned with the one or more OIS coils to generate a Lorentz force for OIS movement of the optical assembly.

6. The camera of claim 5, wherein the one or more OIS magnets comprise: A first OIS magnet is attached to a first OIS carrier among the plurality of carriers for movement of the optical assembly along the first axis. as well as A second OIS magnet is attached to a second OIS carrier among the plurality of carriers for movement of the optical assembly along the second axis.

7. The camera of claim 1, wherein the actuator assembly further comprises an actuator assembly base, wherein the AF carrier of the plurality of carriers and the actuator assembly base form one or more vertical tracks for one or more sets of AF ball bearings of the plurality of ball bearings to allow the AF carrier and the optical assembly to move along the optical axis.

8. An apparatus, said apparatus comprising: One or more processors; The memory stores program instructions that can be executed by the one or more processors to control the operation of the camera; as well as The camera, the camera includes: An optical component having one or more lenses defining an optical axis; Actuator assembly, wherein the actuator assembly includes: Multiple carriers, wherein a respective carrier among the multiple carriers is configured to allow the optical component to move along a respective axis among the optical axis, a first axis orthogonal to the optical axis, and a second axis orthogonal to both the first axis and the optical axis; A plurality of ball bearings for the respective carrier, wherein a respective ball bearing among the plurality of ball bearings is used to allow movement along the respective axis; and A plurality of actuators, wherein a respective actuator of the plurality of actuators is configured to move the optical component along the respective axis via the respective carrier, wherein the plurality of actuators includes one or more shape memory alloy SMA wires for moving the optical component along the optical axis via at least one of the plurality of carriers for autofocus AF.

9. The device of claim 8, wherein the plurality of carriers includes at least a first optical image stabilization (OIS) carrier, a second OIS carrier, and an AF carrier arranged in a stacked configuration along the optical axis.

10. The device of claim 9, wherein the second OIS carrier is fixedly attached to the optical component, and wherein the first OIS carrier is positioned along the optical axis between the AF carrier and the second OIS carrier.

11. The device of claim 8, wherein the actuator assembly further comprises circuitry at least partially wound around the plurality of carriers and including one or more OIS coils for OIS movement of the optical assembly, wherein the circuitry is configured to supply current to the one or more OIS coils for OIS movement of the optical assembly and to supply current to the SMA line for AF movement of the optical assembly.

12. The device of claim 11, wherein the actuator assembly further comprises one or more OIS magnets fixedly attached to the second OIS carrier, wherein the one or more OIS magnets are aligned with the one or more OIS coils to generate a Lorentz force for OIS movement of the optical assembly.

13. The device of claim 12, wherein the one or more OIS magnets comprise: A first OIS magnet is attached to a first OIS carrier among the plurality of carriers for movement of the optical assembly along the first axis. as well as A second OIS magnet is attached to a second OIS carrier among the plurality of carriers for movement of the optical assembly along the second axis.

14. The device of claim 8, wherein the actuator assembly further comprises an actuator assembly base, wherein the AF carrier of the plurality of carriers and the actuator assembly base form one or more vertical tracks for one or more sets of AF ball bearings of the plurality of ball bearings to allow the AF carrier and the optical assembly to move along the AF of the optical axis.

15. An actuator assembly, the actuator assembly comprising: Multiple carriers, wherein a respective carrier among the multiple carriers is configured to allow movement of the optical components of a camera along a corresponding axis of an optical axis, a first axis orthogonal to the optical axis, and a second axis orthogonal to both the first axis and the optical axis; Multiple ball bearings for the respective carrier, wherein a respective ball bearing among the multiple ball bearings is used to allow movement along the respective axis; as well as A plurality of actuators, wherein a respective actuator of the plurality of actuators is configured to move the optical component along the respective axis via the respective carrier, wherein the plurality of actuators includes one or more shape memory alloy SMA wires for moving the optical component along the optical axis via at least one of the plurality of carriers for autofocus AF.

16. The actuator assembly of claim 15, wherein the plurality of carriers includes at least a first optical image stabilization (OIS) carrier, a second OIS carrier, and an AF carrier arranged in a stacked configuration along the optical axis.

17. The actuator assembly of claim 16, wherein the second OIS carrier is fixedly attached to the optical assembly, and wherein the first OIS carrier is positioned along the optical axis between the AF carrier and the second OIS carrier.

18. The actuator assembly of claim 15, wherein the actuator assembly further comprises circuitry at least partially wound around the plurality of carriers and including one or more OIS coils for OIS movement of the optical assembly, wherein the circuitry is configured to supply current to the one or more OIS coils for OIS movement of the optical assembly and to supply current to the SMA line for AF movement of the optical assembly.

19. The actuator assembly of claim 18, wherein the actuator assembly further comprises one or more OIS magnets fixedly attached to the second OIS carrier, wherein the one or more OIS magnets are aligned with the one or more OIS coils to generate a Lorentz force for OIS movement of the optical assembly.

20. The actuator assembly of claim 15, wherein the actuator assembly further comprises an actuator assembly base, wherein the AF carrier of the plurality of carriers and the actuator assembly base form one or more vertical tracks for one or more sets of AF ball bearings of the plurality of ball bearings to allow the AF carrier and the optical assembly to move along the AF of the optical axis.

Images