3045results 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.

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 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 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.

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.

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.

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.

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.

A lens assembly is provided. The lens assembly includes lenses arranged along a direction of a first optical axis from an object side, an image sensor receiving light guided through the lenses, the image sensor includes an imaging surface inclined with respect to the first optical axis, a first optical member disposed between the lenses and the image sensor, the first optical member receiving light incident through the lenses in a direction of the first optical axis and emitting the light along a direction of a second optical axis crossing the first optical axis, and a second optical member disposed between the first optical member and the image sensor, the second optical member receiving light through the first optical member in the direction of the second optical axis and emitting the light to the image sensor along a direction of a third optical axis crossing the second optical axis.

A driving mechanism is provided. The driving mechanism includes a fixed portion, a movable portion, a driving assembly, a circuit assembly, and a signal adjusting assembly. 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 driving assembly is used for receiving a first signal provided by a control assembly. The driving assembly is electrically connected to the control assembly by the circuit assembly. The signal adjusting assembly is electrically connected to the driving assembly. The signal adjusting assembly is used for adjusting the first signal.

An optical system is provided in the present disclosure, including a fixed portion, a first movable portion, a first driving assembly, a second movable portion, and a second driving assembly. The first movable portion is connected to a first optical element. The first movable portion is movable relative to the fixed portion. The first driving assembly drives the first movable portion to move relative to the fixed portion. The second movable portion is connected to a second optical element. The second movable portion is movable relative to the fixed portion and the first movable portion. The second driving assembly drives the second movable portion to move relative to the fixed portion. The first driving assembly provides a first driving force via a first piezoelectric unit. The first movable portion is driven by the first driving force to move relative to the fixed portion.

The application provides a camera module and an electronic device. The camera module comprises a lens, an SMA motor, a substrate and an image sensor. The SMA motor comprises a carrier, a seat and an SMA driving assembly. The lens is fixed to the carrier. The SMA driving assembly connects the carrier and the seat. The SMA driving assembly is used to drive the carrier to move relative to the seat. The shell of the SMA motor comprises a top plate and a bottom plate arranged oppositely. The bottom plate comprises a first part and four second parts. The four second parts are arranged at the outer circumferential side of the first part at intervals. The distance between the second part and the top plate is greater than the distance between the first part and the top plate. The four corners of the substrate are provided with recessed avoiding spaces. The first part is fixed to the substrate. The second part is at least partially located in the avoiding space. The image sensor is fixed to the middle part of the substrate and electrically connected to the substrate. The image sensor is arranged to face the lens. The above-mentioned camera module can have a smaller module shoulder height while ensuring the shooting quality.

A camera module includes an imaging lens having an optical axis, a variable through hole mechanism, an image sensor, an image sensor actuating module and a flexible printed circuit. The variable through hole mechanism is disposed corresponding to the imaging lens to adjust an amount of light into the imaging lens. The image sensor is disposed on the optical axis and is configured to convert imaging light passing through the imaging lens into an image signal. The image sensor actuating module is configured to move the image sensor. The variable through hole mechanism and the image sensor actuating module each have a coil disposed on the flexible printed circuit. The flexible printed circuit is electrically connected to the variable through hole mechanism and the image sensor actuating module.

The present disclosure relates to an infrared camera module comprising an infrared image sensor, an outer window, inclined with respect to an optical axis of the infrared image sensor and held in a window mount comprising a shape adapted to cooperate, in a removable manner, with a receiving part surrounding a hole passing through a glazing, and an interface part providing a mechanical link between the window mount and the infrared image sensor.

A motor, camera module and device having a base, an image stabilization bracket, a first image stabilization magnetic piece, a second image stabilization magnetic piece, a first image stabilization coil, a second image stabilization coil, and a guide bracket having an L-shape. The first image stabilization magnetic piece is fastened to a first edge portion of the image stabilization bracket, and the second image stabilization magnetic piece is fastened to a second edge portion of the image stabilization bracket. The image stabilization bracket, and the first and second image stabilization coils are fastened to the base. Three support portions of the guide bracket are all located between the image stabilization bracket and the base, are disposed in a one-to-one correspondence with three corner portions of the image stabilization bracket, and are connected to the base and the image stabilization bracket through support pieces.

An optical system includes a first movable portion, a fixed portion, a first driving assembly and a first guiding structure. The first movable portion is connected to a first optical element. The movable portion is movable relative to the fixed portion. The first driving assembly drives the first movable portion to move relative to the fixed portion. The first guiding structure guides the first movable portion to move relative to the fixed portion in a first dimension.

An optical system includes an optical module with a main axis is provided. The optical module includes a fixed portion, a movable portion, and a driving mechanism. 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. When viewed along a direction that is parallel with the main axis, the fixed 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.

An optical system is provided. The optical system includes a movable portion, a fixed portion, and a driving assembly. The movable portion is movable relative to the fixed portion. The driving assembly drives the movable portion to move relative to the fixed portion. The driving assembly is located between the movable portion and the fixed portion.

A zoom ring drive device (10) comprises a guide unit (11), a guide unit (14), a drive gear (21), and a DC motor (23). The guide unit (11) slides in the optical axis direction of a lens (L1) included in the lens barrel (32). The guide unit (14) is provided to the guide unit (11) and slides in a direction perpendicular to the optical axis direction. The drive gear (21) is provided in the guide unit (14) at a position where the drive gear comes into contact with a ring gear (25) wound around a zoom ring (33), and rotates in a state of being in contact with the ring gear (25) to rotate the zoom ring (33). The DC motor (23) is provided to the guide unit (14) and rotationally drives the drive gear (21).

The invention relates to the technical field of optical lenses, provides an optical lens, a camera module and electronic equipment, and can solve the problem that the thickness of the electronic equipment is large due to the fact that the camera module occupies a large space in the prior art. 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 the first position, the first turning element is located at the image side of the first front lens group and is used for reflecting an emergent 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 the second position, the first turning element is located at the image side of the second front lens group and is used for reflecting an emergent light beam of the second front lens group to the first rear lens group, the optical lens has a second effective focal length F2, and the second effective focal length is larger than the first effective focal length F1. The method can be applied to electronic equipment such as a mobile phone.

A camera module includes a lens driving device having a housing, a first circuit board disposed below the housing, a filter disposed on an upper surface of the first circuit board, a second circuit board disposed below the first circuit board, an image sensor disposed on the second circuit board and coupled to a lower surface of the first circuit board, and a first adhesive member disposed between the lower surface of the first circuit board and an upper surface of the second circuit board, and electrically connecting the first circuit board and the second circuit board. A lower surface of the image sensor is higher than the upper surface of the second circuit board.

The invention belongs to the technical field of optical imaging equipment, and particularly relates to a lens driving device which comprises a base and a motor mechanism, the motor mechanism comprises a frame which is arranged on the base, an AF coil is arranged on the side wall of one side of the frame, and the AF coil and an AF magnet arranged on the side wall of the base are oppositely arranged so that the frame can move in the third direction relative to the base; the OIS coil plate is arranged in the frame, and an OIS coil is arranged in the OIS coil plate; the carrier is arranged in the frame, the OIS coil plate is located between the carrier and the frame, an OIS magnet is arranged at the bottom end of the carrier, and the OIS magnet and the OIS coil are oppositely arranged so that the carrier can move in the first direction and the second direction relative to the frame. Through an innovative position design mode, magnets adopted by AF zoom operation and anti-shake operation are independent and do not interfere with each other, and the stability of automatic focusing and optical anti-shake control is ensured.

An actuator for a camera according to an embodiment of the present invention comprises: a housing providing an internal space; a first carrier that moves in a first direction perpendicular to the optical axis direction; a switching guide provided between an inner side of the housing and an outer side of the first carrier; a second carrier that moves in a second direction perpendicular to both the optical axis direction and the first direction with respect to the first carrier; and a guide structure provided between an inner side of the switching guide and an outer side of the first carrier to restrict movement of the first carrier in an optical axis direction, the first carrier being configured to move in the first direction with respect to the switching guide and to move in the second direction with respect to the switching guide. The switching guide member moves along the optical axis direction together with the switching guide member through the guide structure.

The utility model provides an optical element driving mechanism. The optical element driving mechanism comprises a fixed part, a first movable part and a driving assembly. The first movable part is used for connecting the first optical element and can move relative to the fixed part. The first driving assembly is used for driving the first movable part to move relative to the fixed part.

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