4056results about "Focusing aids" patented technology

An optical element driving mechanism is provided. The optical element driving mechanism includes a movable portion, a fixed portion, a driving assembly, and a circuit assembly. The movable portion is used for connecting to a first optical element. The movable portion is movable relative to the fixed portion. The driving assembly is used for driving the movable portion to move relative to the fixed portion. The circuit assembly is electrically connected to the driving assembly. The driving assembly is electrically connected to an external circuit through the circuit assembly.

An optical element driving mechanism is provided. The optical element driving mechanism includes a movable portion, a fixed portion and a driving component. The movable portion is connected to an optical element having an optical axis. The movable portion is movable relative to the fixed portion. The driving component is configured to drive the movable portion to move relative to the fixed portion in a first dimension.

An optical element driving mechanism is provided. The optical element driving mechanism includes a movable portion, a fixed portion, and a driving assembly. The movable portion is used to connect the optical element. The movable portion may move relative to the fixed portion. The driving assembly is used to drive the movable portion to move relative to the fixed portion.

The invention discloses a lens driving device and a camera module. The lens driving device comprises: a base; the frame is movably arranged on the base; the carrier is used for carrying the optical lens, and the carrier is movably arranged on the frame; the lens driving assembly is configured to drive the carrier to move relative to the base along a first direction and a second direction perpendicular to the first direction; the focusing position sensing assembly comprises a focusing position sensing element and a focusing position sensing magnet which are oppositely arranged along the first direction; the anti-shake supporting part is arranged between the frame and the base in the second direction, the anti-shake supporting part is suitable for supporting the frame on the base, the anti-shake supporting part comprises at least three anti-shake balls, and seen in the first direction, one anti-shake ball and the focusing position sensing magnet are at least partially overlapped. In this way, the performance of the lens driving device is optimized.

The present invention relates to an aperture unit having an optical axis. The aperture unit includes a fixed portion, a guiding element, a first blade and a driving assembly. The guiding element is movably connected to the fixed portion, and the first blade is movably connected to the guiding element and the fixed portion. The driving assembly is disposed on the guiding element for driving the guiding element to move relative to the fixed portion in a first moving dimension. When the guiding element moves relative to the fixed portion in the first moving dimension, the first blade is driven by the guiding element to move relative to the fixed portion in a second moving dimension, and the first moving dimension and the second moving dimension are different.

An optical system includes an optical module with a main axis is provided. The optical module includes a fixed portion, a movable portion, a driving mechanism, and a supporting assembly. The movable portion is connected to an optical element and is movable relative to the fixed portion. The driving mechanism drives the movable portion to move relative to the fixed portion. The supporting assembly is connected to the movable portion and the fixed portion. When viewed along a direction that is parallel with the main axis, the fixing portion is a polygonal structure with a first side, a second side, a third side, and a fourth side. The first side is parallel with the third side, the second side is parallel with the fourth side, and the first side is not parallel with the second side.

A variable aperture device and a camera module. The variable aperture device comprises at least one stator (20) and at least one mover (30), wherein the mover (30) is movably assembled on the stator (20); at least one driving assembly (40), which is used for driving the mover (30) to axially rotate or move linearly relative to the stator (20); and a plurality of adjustment assemblies (50), the adjustment assemblies (50) defining at least one light passage hole (500), the adjustment assemblies (50) being adjustably mounted to the stator (20) and the mover (30), and as the mover (30) moves relative to the stator (20), the relative positions of the adjustment assemblies (50) being driven to change, so as to define the size of the light passage hole (500); the stator (20) and the mover (30) are correspondingly provided with at least two sets of ball slots (240, 340), at least two balls (41) are separately assembled within the ball slots (240, 340), the inner wall surface of at least one ball slot (240, 340), extends at an angle relative to an optical axis L and abuts against at least one ball (41), and the inner wall surface of the remaining at least one ball slot (240, 340) extends in directions perpendicular to the optical axis and parallel to the optical axis L.

A driving mechanism for moving an optical element is provided. The driving mechanism includes a fixed part, a movable part, and a driving assembly. The movable part is movably connected to the fixed part for holding the optical element. The driving assembly is configured for moving the movable part relative to the fixed part.

A driving mechanism for moving an optical clement is provided. The driving mechanism includes a fixed part, a movable part, and a driving assembly. The movable part is movably connected to the fixed part for holding the optical clement. The driving assembly is configured for moving the movable part relative to the fixed part.

The invention discloses a lens driving device and a camera module. The lens driving device comprises: a base; a frame, wherein the frame is movably arranged on the base; the carrier is used for bearing an optical lens, and the carrier is movably arranged on the frame; the lens driving assembly is configured to drive the carrier to move relative to the base along a first direction and a second direction perpendicular to the first direction, and the lens driving assembly comprises a driving magnet part and a driving coil part arranged opposite to the driving magnet part; and a focusing position sensing assembly, and the focusing position sensing assembly and the driving magnet part are arranged at different sides of the lens driving device. In this way, the performance of the lens driving device is optimized.

An optical element driving mechanism is provided. The optical element driving mechanism includes a movable part, a fixed part, and a driving assembly. The movable part connects an optical element. The movable part may move relative to the fixed part. The driving assembly drives the movable part to move relative to the fixed part.

An optical member driving mechanism is provided. The optical member driving mechanism includes a movable portion, a fixed portion, and a driving assembly. The movable portion is configured to connect an optical member, and is movable relative to the fixed portion. The driving assembly is configured to drive the movable portion to move relative to the fixed portion.

The embodiment disclosed herein is an actuator for reflectometer, the actuator comprising a carrier attached with a reflectometer and equipped with a first magnet; a middle guide to support the rotation of the carrier about a first direction; at least one first ball positioned between the carrier and the middle guide; a second magnet equipped to the middle guide; a pulling magnet equipped to the carrier and facing the second magnet; and a first coil to impart a driving force to the first magnet; wherein the pulling magnet comprises a counterpart magnetic pole having an opposite polarity to a facing magnetic pole of the second magnet, with the facing magnetic pole being positioned towards the pulling magnet.

Scanning Tele cameras (STCs) based on two optical path folding element (OPFE) field-of-view scanning and mobile devices including such STCs. A STC may comprise a first OPFE (O-OPFE) for folding a first optical path OP1 to a second optical path OP2, an O-OPFE actuator, a second OPFE (I-OPFE) for folding OP2 to a third optical path OP3, an I-OPFE actuator, a lens, a lens actuator and an image sensor, wherein the STC has a STC native field-of-view (n-FOVT), wherein the O-OPFE actuator is configured to rotate the O-OPFE around a first axis and the I-OPFE actuator rotates the I-OPFE around a second axis for scanning a scene with the n-FOVT, wherein the lens actuator is configured to move the lens for focusing along a third axis, and wherein the first axis is perpendicular to the second axis and parallel to the third axis.

A system includes one or more memories configured to store a camera image captured with a camera; and processing circuitry in communication with the one or more memories. The processing circuitry is configured to identify, in the camera image, a first camera image portion and a second camera image portion, apply primary phase detection autofocus (PDAF) to the first camera image portion, and apply the primary PDAF and secondary PDAF to the second camera image portion. Additionally, the processing circuitry is configured to control, based on applying the primary PDAF to the first camera image portion and without applying the secondary PDAF to the first camera image portion and based on applying the primary PDAF and the secondary PDAF to the second camera image portion, the camera to bring the first camera image portion and the second camera image portion into focus.

An optical system affixed to an electronic apparatus is provided, including a first optical module, a second optical module, and a third optical module. The first optical module is configured to adjust the moving direction of a first light from a first moving direction to a second moving direction, wherein the first moving direction is not parallel to the second moving direction. The second optical module is configured to receive the first light moving in the second moving direction. The first light reaches the third optical module via the first optical module and the second optical module in sequence. The third optical module includes a first photoelectric converter configured to transform the first light into a first image signal.

An aperture unit having an optical axis is provided, which includes a fixed portion having a first surface and including a protrusion formed on the first surface, a guiding element movably connected to the fixed portion and including a through hole, a first blade movably connected to the guiding element and the fixed portion, and a driving assembly use for driving the guiding element to move for moving the first blade. The optical axis passes through the through hole. The first surface has a first accommodating space having a recessed structure to accommodate the guiding element, and the protrusion extends toward the first blade.

An optical element driving mechanism is provided. The optical element driving mechanism includes a movable portion, a fixed portion, and a driving assembly. The movable portion is used to connect the optical element. The movable portion may move relative to the fixed portion. The driving assembly is used to drive the movable portion to move relative to the fixed portion.

An optical system is provided and includes a fixed assembly, a movable element, a movable assembly, and a driving module. The fixed assembly defines a main axis, and the fixed assembly has a casing on which a casing opening is formed, corresponding to the main axis. The movable element is movable relative to the fixed assembly and is connected to a first optical element. The movable assembly is connected to the movable element. The driving module is configured to drive the movable assembly so as to drive the movable element to move relative to the fixed assembly. The first optical element has a first section and a second section. When viewed along the main axis, the size of the first section is larger than the size of the casing opening, and the size of the second section is smaller than the size of the casing opening.

The application relates to the technical field of optical lenses, and provides an optical lens, a camera module and electronic equipment, which can solve the problem that the camera module occupies a large space and causes the thickness of the electronic equipment to be large in related technologies. The optical lens comprises a front lens group, a first turning element, a first rear lens group and a second rear lens group; the front lens group comprises a first front lens group and a second front lens group; when the first turning element is located at a first position, the first turning element is located on the image side of the first front lens group and is used for reflecting the outgoing light beam of the first front lens group to the first rear lens group, and the optical lens has a first effective focal length; when the first turning element is located at a second position, the first turning element is located on the image side of the second front lens group and is used for reflecting the outgoing light beam of the second front lens group to the first rear lens group, and the optical lens has a second effective focal length F2, and the second effective focal length is greater than the first effective focal length F1. The application can be used on electronic equipment such as mobile phones.

A driving mechanism for moving an optical element is provided. The driving mechanism includes a fixed part, a movable part, and a driving assembly. The movable part is movably connected to the fixed part for holding the optical element. The driving assembly is configured for moving the movable part relative to the fixed part.

An image pickup apparatus includes an image sensor having a plurality of pixels configured to receive light beams passing through a plurality of different pupil partial areas in an imaging optical system including a first optical system and a second optical system arranged in parallel with the first optical system, and a processor configured to acquire, based on a pair of signals from the plurality of pixels, a first defocus amount in a first focus detecting area at a first image height based on a first optical axis of the first optical system and a second defocus amount in a second focus detecting area at a second image height based on a second optical axis of the second optical system, and control the imaging optical system based on an average defocus amount of the first defocus amount and the second defocus amount.

A driving mechanism for moving an optical clement is provided. The driving mechanism includes a fixed part, a movable part, and a driving assembly. The movable part is movably connected to the fixed part for holding the optical clement. The driving assembly is configured for moving the movable part relative to the fixed part.

The invention relates to a focusing control system and method based on sensor fusion and adaptive PID (Proportion Integration Differentiation). Belongs to the technical field of optical imaging and automatic control, and particularly relates to the technical field of optical imaging automatic focusing. The system comprises a Hall sensor group, a potentiometer, a focusing motor and a control processing unit, the Hall sensor group comprises two Hall sensors which are respectively arranged at two ends of a lens stroke and are respectively used for carrying out forward Hall limiting and reverse Hall limiting on the lens; the potentiometer is installed on a lens zoom gear shaft and used for collecting the AD value of a lens. The focusing motor is coupled with the lens focusing mechanism through a reduction gear and is used for controlling the movement of the lens; and the control processing unit is connected with the camera core, acquires an image definition value, receives data of the two Hall sensors and the potentiometer, and controls the motor driver. The problem that the final focusing position has deviation due to the fact that traditional PD control lacks integral terms and cannot completely eliminate steady-state errors is solved.

A driving mechanism for moving an optical element is provided. The driving mechanism includes a fixed part, a movable part, and a driving assembly. The movable part is movably connected to the fixed part for holding the optical element. The driving assembly is configured for moving the movable part relative to the fixed part.

The invention discloses an optical imaging zoom point selection correction method and system, which can correct the deviation between a theoretical model and actual lens characteristics in real time through a peak point tracking algorithm and offset vector calculation in a second stage, effectively solve the problem of individualized errors caused by lens group assembly tolerance, material refractive index difference and the like, and improve the correction accuracy. The stratified sampling strategy of the first stage is combined with the slope interpolation of the third stage, untested points in a theoretical curve are filled, a high-precision focusing curve is generated, the full range of zooming is covered, and local focusing failure caused by traditional uniform sampling is avoided; according to the method, curve jitter caused by test noise or mechanical vibration is eliminated, a smooth zoom focusing curve is output, the anti-interference capability in actual control is improved, frequent jitter of a focusing motor is avoided, a search strategy is dynamically adjusted in combination with definition data, an actual peak point is quickly locked, and the problem of overmodulation or slow convergence caused by a traditional fixed step length is solved.

The invention provides an optical lens, a camera module and an electronic device, the optical lens comprises a front lens group, a first reflection member (18) and a rear lens group which are sequentially arranged along a direction from an object side to an image side, and the first reflection member (18) is used for reflecting light from the front lens group to the rear lens group; the front lens group is a fixed lens group, and the first reflector (18) is rotatably arranged in the lens to realize optical anti-shake. While normal optical anti-shake is realized, the size of the optical lens in the Z-axis direction can be reduced, that is, the length of the optical lens can be reduced, and convenience is brought to the structural design in the electronic equipment.

The invention discloses a focus-adjustable imaging assembly, and relates to the technical field of optical devices. Comprising a focusing assembly, a zooming assembly and a fixing assembly. A focusing motor drives a focusing cam to rotate through a first gear, so that a first curve guide groove drives a focusing guide nail to slide in a guide groove formed in a guide cylinder in a chiseled mode, a focusing lens set is driven to move in the guide cylinder in the axial direction, and focusing of the focus-adjustable imaging assembly is achieved. The zoom motor drives the zoom cam to rotate through the second gear, so that the second curve guide groove drives the zoom guide nail to slide in a guide groove formed in the guide cylinder in a chiseled mode, the zoom lens set is driven to move in the guide cylinder in the axial direction, and zoom of the focus-adjustable imaging assembly is achieved. The zooming cam and the focusing cam are respectively driven by the zooming motor and the focusing motor, and the zooming displacement control and the focusing displacement control are mutually independent and accurate.

An optical element driving mechanism is provided and includes a fixed assembly, a movable assembly, and a driving assembly. The movable assembly is configured to be connected to an optical element and is movable relative to the fixed assembly. The driving assembly is configured to drive the movable assembly to move along a first axis relative to the fixed assembly.