209results about "Focusing aids" patented technology

An optical drive mechanism is provided. The optical drive mechanism includes a carrier, a fixed part, a first elastic element, and a first adhesive element. The carrier is configured to connect an optical element and is movable relative to the fixed part. The carrier is movably connected to the fixed part via the first elastic element. The first elastic element is connected to the carrier or the fixed part via the first adhesive element.

Provided are a camera module, a molded photosensitive assembly and a manufacturing method thereof, and an electronic device. The molded photosensitive assembly is assembled with at least one optical lenses to form a camera module. The molded photosensitive assembly includes an imaging assembly, a molded base, and a filter member. The molded base includes a first molded portion and a second molded portion. The first molded portion embeds a part of the imaging assembly. The second molded portion is integrally formed on a first upper surface of the first molded portion, and the second molded portion has a second upper surface and a second outer side surface. A filter member is attached to the second upper surface of the second molded portion, and corresponds to a photosensitive path of the imaging assembly. The second upper surface of the second molded portion is higher than the first upper surface of the first molded portion, so as to define and form an outer space by a second outer side surface of the second molded portion and the first upper surface of the first molded portion.

This application relates to an optical actuator, comprising: a base, a subbase, two or more sets of drive mechanisms, and a substrate; the base is suitable for mounting optical elements, and the base is movably connected to the subbase; the substrate is located between the subbase and the subbase and is movably connected to the subbase; the two or more drive mechanisms are located on different sides of the base, and are suitable for driving the base to move on the subbase and driving the optical elements to move; each set of drive mechanisms includes: a magnetic conductor, a magnetic attractor, a coil and a first magnet arranged opposite each other; one side of the magnetic conductor is fixedly connected to the side wall of the base, and the first magnet is installed on the other side of the magnetic conductor; the magnetic attractor is located at the bottom of the base, and two or more ball bearings are provided between the base and the substrate; two or more second magnets are provided at the top of the subbase, and the two or more second magnets are respectively arranged opposite to the two or more magnetic attractors, and the base presses down on the two or more ball bearings under the attraction of the second magnets on the magnetic attractors.

An embodiment includes a fixed part and a moving part, which is spaced apart from the fixed part and is tilted with respect to a first axis or a second axis intersecting the first axis, wherein the moving part includes: a lens moving unit including a housing, a bobbin that is disposed in the housing and can be moved in the optical axis direction, and a rolling member disposed between the housing and the bobbin; and an image sensor unit including an image sensor disposed under the lens moving unit, the image sensor being positioned higher than the lowermost end of a path in which the rolling member is movable in the optical axis direction.

The application provides a motor, a lens module, a camera module and an electronic device, and belongs to the technical field of electronic devices. The motor comprises a driving chip, a first shape memory alloy coil and a first filter circuit. The first end of the first shape memory alloy coil is coupled to the first end of the driving chip through the first filter circuit, and the second end of the first shape memory alloy coil is coupled to the second end of the driving chip. The driving chip is used for controlling the first shape memory alloy coil to deform. The first filter circuit is used for inhibiting the transmission of noise signals output by the first end of the driving chip to the first shape memory alloy coil, so that the electromagnetic wave radiation caused by the transmission of the noise signals to the first shape memory alloy coil is improved or avoided, the influence of the noise signals on the radio frequency antenna is reduced, the sensitivity of the radio frequency antenna is ensured, and the communication effect and user experience are improved.

The application discloses an optical drive base, which comprises an insulating body, a conductive terminal, a high-density integrated circuit, connecting leads and an electronic component; the conductive terminal is embedded in the insulating body; the high-density integrated circuit comprises a plurality of first connecting parts for electrically connecting with the conductive terminal, and at least part of the first connecting parts are electrically connected with the conductive terminal through the connecting leads; the electronic component is electrically connected with the conductive terminal and is electrically connected with the high-density integrated circuit through the conductive terminal. The optical drive base is used for simplifying the manufacturing process of the optical drive base and reducing the cost of the optical drive base.

The present disclosure relates to a stop member configured to limit movement of a lens barrel. The stop member includes a base disposed above a housing covering an exterior of the lens barrel and including an opening extending through a surface of the base configured to accommodate the lens barrel. The present disclosure also relates to a camera module including the stop member.

To provide a control device that can improve convenience during tilt imaging. [Solution] A control device (9, 15) used in a camera system (1) having an imaging device (3) equipped with an image sensor (1106) and a lens device (2) equipped with an optical system including at least one optical member for tilting a focal plane (501) with respect to the imaging plane of the image sensor, wherein the control device has an acquisition unit that acquires first position information (1501) and second position information (1502) based on user instructions, and a determination unit that determines third position information (1503) not instructed by the user and constructs a focal plane from the first position information, second position information and third position information.

The application discloses a driving motor, a camera module and an electronic device, and belongs to the technical field of camera modules. The driving motor comprises a shell, a carrier, a magnetic piece and a coil assembly. The carrier is located in the shell and is used for carrying a lens. The magnetic piece is connected with the carrier. The coil assembly is connected with the shell. The coil assembly comprises a first coil and a second coil. When the coil assembly is in a first energization state, the first coil and the second coil generate electromagnetic forces of the same direction on the magnetic piece, so that the magnetic piece drives the carrier to move. When the coil assembly is in a second energization state, the first coil and the second coil generate electromagnetic forces of opposite directions on the magnetic piece.

The utility model discloses a kind of driving distance compensation device, optical zoom assembly and camera equipment, it is related to optical equipment technical field, wherein, driving distance compensation device includes driving structure and correction structure, driving structure includes step motor and ball screw, ball screw is set along the first direction extension, step motor is driven connection with the screw rod of ball screw, to drive screw rod rotation around the axis of first direction extension, ball nut of ball screw is set along the first direction activity, and for driving connection to be driven component, correction structure includes angle sensor and magnet, one of angle sensor and magnet is located screw rod, another fixed setting, to can occur relative rotation, angle sensor is used to detect the angle of magnet relative rotation, magnet has at least one magnetic pole group, two magnetic poles in magnetic pole group are set apart around the axis of first direction extension. So set, can solve the problem of step loss, improve the driving precision and driving speed of step motor.

An embodiment comprises: a fixed unit; a movable unit including an image sensor; a coil for moving the movable unit about a first axis or a second axis perpendicular to the first axis; a position sensor for detecting the displacement of the movable unit; and a control unit for controlling a driving signal of the coil, wherein the position sensor comprises: a first sensor disposed in a first quadrant of a coordinate plane having an origin at the intersection of the first axis and the second axis; a second sensor disposed in a fourth quadrant of the coordinate plane; a third sensor disposed in a second quadrant of the coordinate plane; and a fourth sensor disposed in a third quadrant of the coordinate plane, a first distance between the first axis and each of the first to fourth sensors is different from a second distance between the second axis and each of the first to fourth sensors, and the control unit comprises a correction function for orthogonalizing the arrangement of the first sensor and the fourth sensor and the arrangement of the second sensor and the third sensor.

To provide an inspection method or the like capable of performing autofocusing with high focusing accuracy and at high speed without requiring dedicated hardware.SOLUTION: The inspection method includes: acquisition step (S12) of acquiring a one-dimensional brightness profile by subjecting an inspection image in a pixel area of a display panel photographed by a photographing device to image processing for compressing the brightness of the inspection image into one-dimensional brightness; generation step (S13) of generating a frequency spectrum intensity profile by Fourier-transforming the one-dimensional brightness profile; calculation step (S14) of calculating the magnification of the photographing device from one or more peak positions in the frequency spectrum intensity profile on the basis of the periodic structure of pixels shown in the pixel area; and estimation step (S15) of estimating a current focus position, which is the focus position of the photographing device in the inspection image, from the calculated magnification and magnification information indicating a relationship between a focus position and magnification of the photographing device.SELECTED DRAWING: Figure 13

An optical lens, a camera module, and an electronic apparatus are provided. The optical lens includes a first lens having negative refractive power, a second lens having positive refractive power, a third lens having positive refractive power, a fourth lens having negative refractive power, a fifth lens having negative refractive power, and a sixth lens having positive refractive power. The first lens to the sixth lens having convex object-side surfaces and concave image-side surface in a paraxial region, respectively. A seventh lens and an eighth lens both have negative refractive power, and have concave object-side surfaces and convex image-side surfaces in a paraxial region, respectively; a ninth lens and a tenth lens both have positive refractive power, and have convex object-side surfaces and concave image-side surfaces in a paraxial region, respectively; an eleventh lens has refractive power.

A driving arrangement for a camera module includes a movable part, a fixed part, a piezoelectric actuator, a pre-pressing part and a first support part, a friction plate is arranged on top of the movable part, a bottom of the movable part has a guide groove, the piezoelectric actuator includes a friction head, the pre-pressing part is arranged on top of the piezoelectric actuator to apply a pre-pressing force perpendicular to the optical axis to the movable part, the first support part provided between bottom of the movable part and the fixed part includes a plurality of support balls, when the movable part is moved to an extreme position, a minimum length of the support balls being closely arranged is not less than a maximum distance between the friction head and an end of the friction plate.

An embodiment comprises: a housing; a bobbin disposed in the housing; a first coil disposed on the bobbin; a magnet disposed at the housing; an elastic part coupled to the bobbin and the housing; a circuit board disposed under the housing and comprising a pad part; a base disposed under the circuit board; a terminal disposed on the base; and a support part, one end of which is coupled to the elastic part and the other end of which is coupled to the terminal, wherein the pad part comprises: a first pad disposed beneath the circuit board; a second pad on the circuit board; and a third pad connecting the first pad and the second pad.

The utility model discloses a kind of optical element driving mechanisms, including base, frame, carrier, first inductive magnet and second inductive magnet, the frame with the base is movably connected, the carrier is located in the frame and is set to be movable along vertical direction.The first magnetic induction stone and the frame and the carrier are connected with one of them.The two first induction chip and the frame and the other of the carrier are connected and aligned with the first inductive magnet, the center of two first induction chip and the center of the first inductive magnet are misaligned, for inducting the magnetic field of the first inductive magnet.The utility model is by inductive chip being set at the position deviating from the center line of inductive magnet, does not affect inductive chip detection carrier or the position of frame, inductive chip's heat production can also be reduced.

To improve the accuracy of focusing on the intended subject. [Solution] An imaging device for imaging multiple subjects, comprising: a defocus range estimation means for estimating the defocus range of each of the multiple subjects; a target determination means for setting a combination of the multiple defocus ranges; a defocus range setting means for setting a controlled defocus range from the combination of the multiple defocus ranges based on the setting; and a control means for controlling the imaging conditions of the imaging device based on the controlled defocus range.

This embodiment relates to shape memory alloy (SMA) actuator designs that may have custom-sized SMA filament lengths and / or brackets specific to different systems (e.g., optical image stabilization systems, autofocus systems). The actuator may include a universal base (or fixed end) and a universal end portion (or free end), both of which are interchangeable in different SMA designs.

The present disclosure provides a camera module and a digital device including the camera module. The camera module includes a movable assembly and a fixing assembly. The movable assembly includes a carrier and a first rolling member arranged on a side wall of the carrier, and the first rolling member has a protruding surface protruding from the side wall of the carrier. The fixing assembly includes a base. The base is provided with a first support member, and the first support member is provided with a metal guide rail extending along a direction of an optical axis. When the carrier is installed on the base, the protruding surface of the first rolling member comes into contact with the metal guide rail, and when the movable assembly moves, the first rolling member moves with the movable assembly and forms a rolling or sliding contact with the first support member.

The utility model discloses a lens drive mechanism, including base, frame, first magnet group, second magnet group, carrier and elastic part. Base sets up first coil group and second coil group. The frame is equipped with the first installation groove, and the first installation groove is equipped with the first protrusion. First magnet group and first coil group cooperate to drive the frame to move along the first direction, and first magnet group includes three first magnets arranged along the radial, and the polarity of one of the two first magnets adjacent to each other is distributed along the optical axis direction, and the other is distributed along the radial, and the polarity of the two first magnets spaced apart and distributed along the optical axis direction is reversely arranged. The top surface of first magnet is equipped with first gap, and first gap and first protrusion are complementary matched. Second magnet group is connected with the frame and cooperates with second coil group to drive the frame to move along the second direction. The carrier is connected with the frame and can move along the optical axis direction, and the carrier is used for installing the lens. Elastic part is elastically connected with the frame and the carrier.

To provide an imaging apparatus capable of performing tracking using reliable authentication registration information.SOLUTION: An image pickup apparatus including a main object setting unit configured to set a main object as a tracking target from among detected objects, and a registration unit configured to register feature information of the main object, the image pickup apparatus being capable of switching the main object in a case where there is an object matching the registered feature information among objects different from the main object, the image pickup apparatus comprising: A first determination unit configured to determine whether or not a distance difference between the main object and the other object satisfies a registration condition; and a second determination unit configured to determine whether or not a distance difference between the main object and the other object satisfies the registration condition, when it is determined by the second determination means that the registration condition is not satisfied, registration of new feature information by the registration means is not permitted while tracking to the main subject is continued regardless of determination results by the first determination means and the second determination means thereafter.SELECTED DRAWING: Figure 5

The present disclosure relates to a light detection device and an electronic apparatus that make it possible to improve autofocus performance. Provided is a light detection device comprising a pixel array unit in which a plurality of pixels, including a pixel in which a plurality of photoelectric conversion units are formed with respect to one microlens, are arranged in a two-dimensional array. In the pixel, the plurality of photoelectric conversion units are isolated in a first direction and / or a second direction different from the first direction in plan view. The isolation performance in the first direction is lower than the isolation performance in the second direction. The present disclosure is applicable to, for example, a solid-state imaging device such as a CMOS image sensor.

A linear actuator device including a lens assembly that has a lens, a linear actuator that linearly drives the lens assembly in a linear actuation direction, and a linear guide that has a main guide bar for supporting the lens assembly in a state movable in the linear actuation direction. The lens assembly has two main engagement portions which are arranged with a certain distance in the linear actuation direction and engaged with the main guide bar. The linear actuator is arranged between the two main engagement portions and at the same time arranged in a position overlapping the lens on a projected plane viewed from a direction orthogonal to the linear actuation direction, to apply thrust to the lens assembly in a direction substantially coinciding with the linear actuation direction.

The utility model relates to camera technology field discloses a kind of ball type anti-shake motor and electronic equipment.The utility model discloses ball type anti-shake motor includes: first mover, second mover, first ball, second ball, first detection unit, second detection unit, circuit board and base;First mover utilizes first ball and base and occurs relative displacement in focusing direction;Second mover utilizes second ball and base and occurs relative displacement in shaking direction;Wherein, shaking direction is perpendicular to focusing direction;Circuit board is arranged on the side wall of base;First detection unit and second detection unit are all arranged on circuit board, first detection unit is used to detect the moving condition of first mover, and second detection unit is used to detect the moving condition of second mover;Wherein, one of first detection unit and second detection unit is capacitive detection unit, and the other is magnetic field type detection unit.Improves the detection precision of magnetic field type detection unit for displacement detection.

Provided are an optical imaging device and an optical imaging method, related to the art of optical imaging. The device includes: a first optical path assembly, a second optical path assembly and a transmission structure. The first optical path assembly is fixedly connected to the transmission structure and is configured to move under the driven of the transmission structure. The second optical path assembly is arranged inside the transmission structure and is configured to move under driven of the transmission structure. The first optical path assembly and the second optical path assembly are in optical path connection with each other. A first optical transmission path of the first optical path assembly and a second optical transmission path of the second optical path assembly form an angle. During the movement of the transmission structure, the second optical path assembly remains stationary relative to the first optical path assembly. In the present disclosure, the straight-line optical path structure is disassembled into the folded optical path structure, which effectively utilizes the space inside the transmission structure, and reduces the volume occupied by the optical path assemblies, thereby reducing the overall device volume, size and weight of the optical imaging device, and meeting various requirements for miniaturization.

The utility model discloses a kind of follow focus device, including main circuit board, rotating wheel and encoder, encoder is electrically connected by wire with main circuit board, encoder includes encoding ring body and rotating shaft, encoding ring body is arranged at the outer periphery of one end of rotating shaft, rotating shaft rotates relative to encoding ring body;The other end of rotating shaft is fixedly connected with rotating wheel;The encoding ring body of encoder is set on fixed seat, the rotating shaft of encoder passes through fixed seat and is fixedly connected with rotating wheel;One end of fixed seat is rotatably connected with rotating wheel.Compared with prior art, the application creates simple structure, only an electric encoder is connected with rotating wheel, i.e. adjusting follow focus and focusing function can be realized.Encoding ring body is set on the outer periphery of rotating shaft, and the distance from rotating shaft is close, solve the problem of low sensitivity of magnetic encoder in prior art.Meanwhile by connecting encoder and rotating shaft directly, the space occupied by follow focus wheel device is smaller, and the volume of follow focus wheel device is reduced.

An embodiment comprises: a housing; a bobbin disposed in the housing; a ball member disposed between the bobbin and the housing; a first magnetic body which is disposed on a first side portion of the bobbin, and which includes a first magnetic unit and a second magnetic unit disposed to be spaced apart from each other; a second magnetic body which is disposed in the housing so as to correspond to the first magnetic body, and which attracts the first magnetic body; and a shape memory alloy member including a first end portion coupled to one area of the housing, a second end portion coupled to another area of the housing, and a first area connected to a part of the first side portion of the bobbin, wherein the shape memory alloy member moves the bobbin in the optical axis direction, and the first area of the shape memory alloy member is disposed between the first magnetic unit and the second magnetic unit.

The application provides a lens driving device, a camera module and an electronic device. The lens driving device comprises a fixed part, a moving part, a supporting assembly, a first driving structure and a second driving structure. The fixed part comprises a base and a shell. The moving part is used for carrying an optical lens. The supporting assembly comprises a shaft member and a first motion conversion piece. The shaft member is installed on the base. The first motion conversion piece is movably sleeved on the shaft member and connected with the moving part, so as to allow the moving part to move along a first linear direction through the first motion conversion piece relative to the shaft member. When the moving part is driven to move in a plane perpendicular to the first linear direction, the moving part can drive the shaft member to move in the plane relative to the fixed part. The first linear direction is parallel to the optical axis direction of the optical lens. The first driving structure is a piezoelectric driving structure. The number of parts of the lens driving device is significantly reduced, so that the material cost is reduced, the assembly process is simplified, and the product yield is improved.

To enable even a person in charge of a worksite who has poor expert knowledge on setting of optical conditions to install a camera such that optical conditions at setting are generated.SOLUTION: An industrial camera comprises: an imaging unit for imaging an inspection object and generating an inspection object image; an aimer for applying light for alignment toward the inspection object; and an output unit which outputs a reference image of the inspection object imaged by the imaging unit and a mounting instruction book including position information of the light applied to the inspection object or to be applied to the inspection object. In installation of the industrial camera, the aimer is configured to be capable applying light for alignment to the inspection object.SELECTED DRAWING: Figure 35

The application belongs to the technical field of bionic vision sensing, and particularly relates to a miniaturized bionic human eye and a preparation method thereof, the preparation method comprising the following steps: preparing an integrated microlens array hemispherical shell through a first pair of pressing molds; preparing a hemispherical curved flexible PCB through pressure treatment on a substrate; after welding an image sensor on the surface of the hemispherical curved flexible PCB, the integrated microlens array hemispherical shell is buckled on the hemispherical curved flexible PCB to form a micro image sensor array; based on a sheet-shaped aluminum hydroxide nanocomposite hydrogel, a full-solid-state lenticular lens is prepared, the full-solid-state lenticular lens is embedded in the center of the integrated microlens array hemispherical shell to obtain an integrated bionic human eye imaging system; the bionic human eye provided by the application can fuse and splice images, fuse the "central clear field" image in the center of the "peripheral blurred field" image, obtain a complete panoramic image, and realize the imaging mode of the bionic human eye.