41results about How to "Achieve Optical Image Stabilization" patented technology

The invention discloses a method of realizing three-dimensional multi-region automatic focusing by utilizing a lens-incline-controllable focusing motor, comprising the following steps of A, carrying out z axis automatic focusing; B, carrying out Rx axis automatic focusing or Ry axis automatic focusing; and C, carrying out Ry axis automatic focusing or Rx axis automatic focusing. Compared with the traditional automatic focusing method, the method provides more lens motion dimensionalities for controlling, and can realize three-dimensional multi-region automatic focusing through effectively controlling the position (the first dimensionality) of a lens and the dip angles of two orthogonal directions (the second and third dimensionalities). When an object inclines until the depth of field cannot cover the whole object simultaneously, the focusing on all regions can be automatically realized, manual focusing is not needed, and the method has the advantages that the reliability is higher, the speed is rapider, the precision is higher, and no training is needed.

The invention relates to the technical field of camera driving devices, in particular to a driving structure and an optical anti-shake camera. The driving structure comprises a base body, a module body, a module driving component, a deflection component and an anti-shake driving component, wherein the module body is disposed in the base body, and has a fixedly disposed image sensor and a lens moveably disposed relative to the image sensor along an optical axis direction therein; the module driving component is disposed in the module body and connected to the lens, and drives the lens to move toward or away from the image sensor; the deflection component is installed in the base body relative to the movement of the base body, and provided with the module body; and the anti-shake driving component is disposed in the base body, and coupled to the module body for driving the module body to deflect relative to the optical axis. The optical anti-shake camera with the driving structure provided by the invention is higher in imaging quality.

The invention provides an optical anti-vibration voice coil motor capable of changing tilt shift centre, comprising a substrate, at least one elastic sheet, a lens carrier, at least three magnetic body groups and a shell. The pedestal, the shell and the magnetic body groups are connected together to form a fixed structure. The magnetic body groups are arranged in the shell; the lens carrier comprises a main body and coils arranged on the main body. The number of the coils is the same as that of the magnetic body groups. The coils and the magnetic body groups are arranged oppositely one by one. The elastic sheet is connected with the lens carrier and the magnetic body groups to form a multi-variant spring oscillator system with a spring centre. The elastic sheet is electrically connected with the coils. The direction of the electromagnetic resultant force of each coil is not faced to and not back to the spring centre, and is not parallel to an optical axis. By adjusting the size of each resultant force, the motor could be used for controlling the tilt shift of the lens to be tilted and be moved along the optical axis to achieve an optical anti-vibration function and an automatic focusing function. By adopting the above structure, the optical anti-vibration voice coil motor not only is simple in structure, and high in reliability, and reduces production cost, but also could maintain excellent image resolution and resist magnetic disturbance.

The invention relates to a camera module and terminal equipment. The camera module comprises a lens, a lens base which is used for mounting the lens, and a first magnetostriction piece which comprisesa first magnetostriction sheet and a first magnetic field element, wherein the first magnetic field element is used for generating a magnetic field; and the first magnetostriction sheet is connectedwith the lens base, and the first magnetostriction sheet can warp under the action of the magnetic field generated by the first magnetic field element so as to drive the lens base to deflect or move in the direction perpendicular to the optical axis of the lens. According to the camera module, the first magnetostriction sheet can be warped and deformed under the action of the magnetic field so asto drive the lens base to deflect or move in the direction perpendicular to the optical axis of the lens, so that the camera module has the optical anti-shake capacity. Besides, the first magnetostriction piece deforms only under the action of magnetic fields in a few directions, so that the interference of the magnetic fields in multiple directions in a complex environment can be effectively reduced, and the reliability of the optical anti-shake performance of the camera module is further improved.

The invention discloses a lens seat, a lens module and electronic equipment and aims to solve a problem of reduction of reliability of a lens as a precise part because of slight concussion generated in the motion process of the lens driven by a voice coil motor existing in a lens seat in the prior art. The lens seat is used for bearing a lens, the lens seat comprises a light sensing structure, a first side arranged at the light sensing structure and a driving structure connected with the light sensing structure, wherein the first side of the light sensing structure is a side away from the lens, the driving structure is used for driving the light sensing structure to move second displacement after the light sensing structure moves first displacement, the direction of the first displacementis perpendicular to the direction of an optical axis, the direction of the second displacement and the direction of the first displacement are on the same plane, and the direction of the second displacement and the direction of the first displacement are opposite to each other. The lens seat can be applied to the lens module.

The present invention relates to a drive device, in particular to a motor for driving a liquid lens and a lens group. The motor comprises a seat body, a carrier, a first resetting member, a sensor anda driving assembly; the carrier is movably disposed in the seat body in a direction towards or away from the liquid lens; the driving assembly comprises a rotor disposed on the carrier and a stator disposed on the base body, and the stator drives the rotor to move up and down along an optical axis and/or to deflect around the optical axis; the first resetting member is disposed on the liquid lensand acts on the carrier when the carrier moves to provide a reset force for restoring an initial position of the carrier; the sensor and the rotor are correspondingly fixedly arranged in the seat body for sensing the displacement of the mover or the change of the magnetic field; the carrier moves to act on the first resetting member, the first resetting member is displaced relative to the liquidlens so as to adjust the curvature of the liquid lens, and when restoring to the initial position, the first resetting member provides the reset force for restoring to the initial position for the carrier. The motor of the present invention has the advantage of precise control of the liquid lens.

The invention provides a lens assembly. The lens assembly comprises a first substrate, a lens, a first memory alloy wire and a second memory alloy wire, wherein the lens is arranged in the first substrate in a sliding way, the first substrate comprises a first side plate and a second side plate, the first side plate is arranged at one side of the lens, the second side plate is arranged at the other side of the lens, one end of the first memory alloy wire is connected with the first side plate, the other end of the first memory alloy wire is connected with the lens, one end of the second memoryalloy wire is connected with the second side plate, the other end of the second memory alloy wire is connected with the lens, and the first memory alloy wire and the second memory alloy wire both arearranged perpendicular to an optical axis of the lens. In the lens assembly provided by the invention, the lens is driven to move relative to the first side plate and the second side plate in a reciprocating way to achieve optical vibration prevention by enabling the first memory alloy wire and the second memory alloy wire to be energized and deformed, no problem of magnetic interference exists,and the stability is relatively high; and moreover, by a driving setting mode, the lens assembly is simple in structure and is convenient to install, no extra hall component is needed to be arranged,and the lens assembly is high in reliability used under a special environment.

The invention discloses an optical element driving mechanism comprising an upper cover, an upper reed, a magnet group, a carrier, a lower reed, a base, a ball, a bottom circuit board and a base, the carrier and the upper cover are movably connected by the upper reed, the carrier and the base are movably connected by the lower reed, and the bottom circuit board is installed on the base and is fixedly connected with the base. The substrate is used for mounting a chip and is movably connected with the base through a ball, the carrier is provided with a first group of coils, the bottom circuit board is provided with a second group of coils, and the magnet group is fixedly mounted on the upper cover and is matched with the first group of coils to drive the carrier to move and is matched with the second group of coils to drive the substrate to move. According to the invention, optical zooming and optical anti-shake are realized through movement of different parts, and the problem of picture blurring caused by hand shaking in the shooting process is solved.

The invention relates to a driving device, and particularly relates to a motor used for driving a liquid lens and a lens group. The motor comprises a base, a supporting frame, a carrier and a drivingassembly, the base is used for fixedly installing a first lens and the liquid lens which are distributed along an optical axis and are correspondingly arranged; the carrier can be movably arranged inthe base facing towards or away from the liquid lens; the driving assembly comprises a motor arranged on the carrier and a stator arranged on the base, the stator drives the rotor to move up and downalong the optical axis and/or move deflecting from the optical axis; the supporting frame is arranged close to the carrier and is movably connected with a moving plate of the liquid lens; the carriercan be in butt joint with the supporting frame; the rotor drives the carrier to move the driving supporting frame, the moving plate is driven to move by the supporting frame to adjust the curvature ofthe liquid lens, and restoring force is provided for the carrier to allow the carrier to return to an initial position when the moving plate restores to an initial state. The motor has the advantagesthat the components are less, the structure is simple, and the driving power consumption is low.

The invention relates to a driving device, and particularly relates to a motor and a lens group for driving a liquid lens. The motor comprises a base, a carrier, a drive assembly, and a first reset component. The drive assembly comprises a rotor disposed on the carrier, and a stator disposed on the base. The stator drives the rotor to move up and down along an optical axis and/or deflect around the optical axis. The first reset component is disposed on the liquid lens and abuts against the carrier when the carrier moves to provide a reset force for the carrier to return to an initial position.The rotor comprises a first set of coils and a second set of coils. The stator comprises a first set of magnets corresponding to the first set of coils and a second set of magnets corresponding to the second set of coils. A force deviating from the optical axis direction is generated when the first group of coils is energized, so that the carrier moves away from the optical axis direction. A force parallel to the optical axis is generated when the second set of coils is energized, so that the carrier moves in the optical axis direction. The first reset component is driven to move relative tothe liquid lens when the carrier moves, and curvature of the liquid lens is adjusted.

The invention discloses an ultrasonic piezoelectric motor, a camera module and electronic equipment. The ultrasonic piezoelectric motor comprises a support, a carrier and a Z-direction piezoelectric actuator, the carrier is installed on the inner side of the support and can move in the Z direction relative to the support, the carrier is used for installing a lens, and the Z direction is parallel to the optical axis of the lens; the Z-direction piezoelectric actuator is located between the support and the carrier, the Z-direction piezoelectric actuator comprises a Z-direction base block, a Z-direction extension block and a Z-direction contact block which are stacked, the Z-direction base block is fixed to the support, the Z-direction base block is used for deforming according to a first electric signal to drive the Z-direction contact block to abut against or leave the carrier, and the Z-direction extension block is used for deforming according to a second electric signal to drive the Z-direction contact block to move along the Z direction. The ultrasonic piezoelectric motor periodically abuts against the carrier through the Z-direction contact block of the Z-direction piezoelectric actuator and drives the carrier to move in the Z direction so that automatic focusing of the camera module is achieved.

The invention provides an image sensing module, a lens module and a mobile terminal. The image sensing module comprises an image sensor and a support for supporting the image sensor, and the image sensing module further comprises a plurality of magnetostrictive moving mechanisms fixedly connected with the support and a supporting mechanism for supporting the magnetostrictive moving mechanisms; each magnetostrictive moving mechanism comprises a magnetostrictive film with one end connected with the support and a driving coil for driving the magnetostrictive film to deform and stretch, the otherend of the magnetostrictive film is connected with the supporting mechanism, and the driving coil surrounds the magnetostrictive film. A plurality of magnetostrictive moving mechanisms are distributedon the periphery of a support; the magnetostrictive film of each magnetostrictive moving mechanism is connected with the support, and the driving coil surrounding the magnetostrictive film is arranged, so that an induced magnetic field is generated through the driving coil to drive the corresponding magnetostrictive film to stretch and deform so as to drive the support to move and further drive the image sensor to move; and the image sensing module is simple and is small in size.

The invention relates to a circuit board and a camera module, and the first board body of the circuit board can slide under the action of a driving force, thereby driving a photosensitive chip to displace relative to a lens assembly, and achieving optical anti-vibration. The output pin of the second board body of the circuit board can be electrically connected with the mainboard of the mobile terminal, and the second board body is fixed on the base. When the first plate body moves, the position of the second plate body can be kept fixed, so that no pulling is generated between the second plate body and the main plate. Therefore, each joint is effectively prevented from being loosened due to pulling force. Furthermore, the connecting piece can deform along with the movement of the first plate body, so that the movement of the first plate body cannot be limited. Therefore, the resistance borne by the first board body of the circuit board in the sliding process is small. The camera module has relatively high reliability while realizing optical anti-shake. In addition, the invention also provides a mobile terminal.

The invention relates to an optical driving device, an imaging device, and an electronic apparatus. The optical driving device comprises a fixed outer frame and further comprises an anti-shake middle frame located in the fixed outer frame. The anti-shake middle frame is rotationally connected with the fixed outer frame, and the anti-shake middle frame rotates around the X axis; the outer wall of the anti-shake middle frame is provided with an avoiding structure which prevents the anti-shake middle frame from making contact with the inner wall of the fixed outer frame when the anti-shake middle frame rotates around the X axis; an inner spherical bracket is positioned in the anti-shake middle frame; the inner spherical bracket is spherical in appearance and is used for bearing an optical component; the inner spherical bracket is rotationally connected with the anti-shake middle frame and rotates around the Y axis; the anti-shake middle frame driving mechanism drives the anti-shake middle frame to rotate around the X axis; the inner spherical support driving mechanism drives the inner ball support to rotate around the Y axis. The wide-angle moving optical driving device is matched with the visual angle of the lens, the visual angle of the wide-angle moving optical driving device can cover 175 degrees, and the optical anti-shake effect of static camera shooting and the tracking effect of dynamic camera shooting can be achieved at the same time.

The invention provides an implementation method of a metal cantilever beam structure. The implementation method comprises the following steps: providing a mold with a concave-convex structure on the surface; electroplating or chemically plating a layer of metal film, or adhering a layer of metal film on the surface of the concave-convex structure of the mold, and forming the metal film on the surface of the concave-convex structure through external force; providing a semiconductor substrate, and forming a metal circuit layer and metal contact points on the front surface of the semiconductor substrate; integrally attaching the mold and a metal film to the front surface of a semiconductor substrate; wherein the metal film is attached to and electrically connected with the metal contact points; removing the mold; and removing partial region of the suspended metal film to form a metal cantilever beam structure.

The invention discloses an imaging module and a manufacturing method thereof. The imaging module comprises a moved element; a space is defined by the at least one supporting block, and the at least one supporting block is hung above the space by the moving element; the piezoelectric elements are distributed on the periphery of the moved element, each piezoelectric element comprises a movable end and a fixed end, the fixed ends are fixed to the supporting blocks, and at least parts of the movable ends are located in the limiting grooves; the at least two piezoelectric elements are distributed on the periphery of the moved element; one end of the connecting arm is connected with the moved element and the other end is connected with the limiting groove; the transverse movement limiting part comprises a first side wall and a second side wall which are located on the two sides of the connecting arm, and the first side wall and the second side wall are distributed in the radial direction parallel to the moved element; and the external signal connecting end is electrically connected with an electrode in the piezoelectric element, and when the piezoelectric element is in a power-on state, the movable end drives the moved element to move upwards or downwards through the connecting arm.

The invention discloses an amplified area array sweep frequency ranging/thickness measuring device with an active optical anti-shake function, and relates to the field of laser sweep frequency ranging. The device comprises a first dichroscope, a second dichroscope, a beam splitter, a lens, a camera, a spectrograph, an acquisition control unit and a movable reflection device;a beam splitter is arranged in the transmission light direction of the first dichroscope; an objective table is arranged in the reflected light direction of the beam splitter, a lens is arranged between the objective table and the beam splitter, the beam splitter is provided with four ports, the first port directly faces the first dichroscope, the second port directly faces the lens, the third port directly faces the movable reflection device, the fourth port directly faces the second dichroscope, and a camera is arranged in the light transmission direction of the second dichroscope. The camera is connected with the collection control unit, the spectrograph is arranged in the reflected light direction of the second dichroscope, the spectrograph is communicated with the collection control unit, and the collection control unit has the functions of collecting signals of the camera and the spectrograph and displaying data. The device is simple in structure, rapid in measurement and high in measurement precision.