Patents
Literature
Patsnap Eureka AI that helps you search prior art, draft patents, and assess FTO risks, powered by patent and scientific literature data.

628results about "Camera diaphragms" patented technology

Aperture unit

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.
Owner:ACTUTEK CORP

Camera module and electronic device

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.
Owner:LARGAN PRECISION

Variable aperture, camera module and electronic equipment

The embodiment of the invention provides a variable aperture, a camera module and electronic equipment, relates to the technical field of camera shooting, and is used for reducing the eccentricity probability of an aperture hole of the variable aperture. In the iris ring, a first track and a second track are defined by a fixed seat and a rotating bracket. The first rolling piece and the second rolling piece which are located between the fixing base and the rotating support in the optical axis direction are located on the first track and the second track respectively. The first rolling piece rolls along the first track along a first arc track, and the second rolling piece rolls along the second track along a second arc track. In the optical axis direction of the iris diaphragm, the rotation trajectory of the rotation bracket may be concentric with the first arc trajectory and the second arc trajectory with respect to the optical axis.
Owner:HUAWEI TECH CO LTD

Imaging lens assembly module and electronic device

An imaging lens assembly module, which defines an optical axis, includes an optical element. The optical element includes a light blocking portion and an anti-reflecting thin film. The light blocking portion is opaque, and the light blocking portion is closer to the optical axis than the other portion of the optical element to the optical axis. The anti-reflecting thin film is disposed at least on a surface of the light blocking portion, and the anti-reflecting thin film includes a nano structure layer and at least one intermediate layer. The nano structure layer has a plurality of ridge-like protrusions which extends non-directionally. The intermediate layer is disposed between the nano structure layer and the optical element.
Owner:LARGAN PRECISION

Aperture driving motor, camera module and electronic equipment

The invention provides an aperture driving motor, a camera module and electronic equipment. The aperture driving motor comprises a base assembly which is provided with an accommodating space; at least one part of the rotating carrier is movably arranged in the accommodating space, the rotating carrier is provided with an accommodating cavity, one end, close to the bottom surface of the base assembly, of the rotating carrier is provided with a mounting opening, the rotating carrier is further provided with an aperture opening and a plurality of sliding grooves, and the sliding grooves are formed in the circumferential direction of the aperture opening at intervals; the blade assembly is movably arranged in the containing cavity, the blade assembly comprises a plurality of blade bodies, mounting protrusions are arranged at the two ends of each blade body respectively, one mounting protrusion is rotationally connected with the base assembly, and the other mounting protrusion extends into the sliding groove and can move along the sliding groove; and the driving assembly is arranged in the circumferential direction of the rotating carrier. The problem that in the prior art, the aperture adjusting range of a camera device is small is solved.
Owner:SHANGHAI BILLU ELECTRONICS CO LTD

Optical element driving mechanism

An optical element driving mechanism includes a fixed assembly, a movable assembly, and a driving assembly. The movable assembly is configured to be connected to an optical assembly and is movable relative to the fixed assembly. The driving assembly is configured to drive the movable assembly to move relative to the fixed assembly. When at least a portion of the movable assembly moves relative to the fixed assembly, the optical assembly moves relative to the movable assembly.
Owner:TDK CORP

Optical element driving mechanism

The invention provides an optical element driving mechanism. The optical element driving mechanism comprises a movable part, a fixed part and a driving assembly, the movable part is used for being connected with an optical element, and the movable part can move relative to the fixed part. The driving assembly is used for driving the movable part to move relative to the fixed part. The optical element driving mechanism further comprises a middle assembly, and the movable part can move relative to the fixed part through the middle assembly.
Owner:AITE TECHNOLOGY CO LTD

Optical system having pixel-based diaphragm

An optical system includes a light-receiving plane, a lens group, a pixel-based diaphragm, and a driving unit. The lens group is configured to direct an incident light to the light receiving plane. The pixel-based diaphragm is at an aperture stop of the lens group. The pixel-based diaphragm includes a first substrate coated with pixelated electrodes; a second substrate coated with an electrode; and an active medium layer between the first substrate and the second substrate. The driving unit is electrically coupled with the pixel-based diaphragm and configured to control the pixel-based diaphragm to have a first light transmitting pattern at a first time duration and a second light transmitting pattern at a second time duration, wherein the first light transmitting pattern is different from the second light transmitting pattern.
Owner:LIQXTAL TECH

Imaging lens system

An imaging lens system includes a first lens, a second lens, a third lens having negative refractive power, a fourth lens, a fifth lens, and a sixth lens, disposed in order from an object side in a direction of an imaging plane, wherein one or more of the first to sixth lenses has a refractive index of 1.8 or greater, and has a refractive index temperature coefficient (10−6 / ° C.) of 3 or greater.
Owner:SAMSUNG ELECTRO MECHANICS CO LTD

Motor, blade drive device, camera module, and camera-equipped device

To provide a motor which can be reduced in size and height, a blade drive device, a camera module, and a camera-equipped device.SOLUTION: A motor is provided, comprising a fixed body having a coil, a movable body having a magnet arranged opposite the coil, a fluid support unit for movably supporting the movable body relative to the fixed body, and limiting parts for limiting the distance between the magnet and the coil.SELECTED DRAWING: Figure 12
Owner:MITSUMI ELECTRIC CO LTD

Variable aperture structure with good stability and photographic equipment

The invention relates to an aperture structure, in particular to a high-stability variable aperture structure and photographic equipment, which comprises a fixing assembly, the fixing assembly comprises a fixing seat and a fixing cover, and a rotatable turntable and a plurality of aperture blades are mounted between the fixing seat and the fixing cover. The aperture blades are movably connected between the rotating disc and the fixing assembly through a guide structure, the fixing assembly is provided with a limiting concave part, the rotating disc is provided with a limiting groove, and the aperture-variable adjusting hole a is defined by the aperture blades. The rolling piece is arranged between the fixing assembly and the rotating disc in a point contact mode on the rotating disc, so that the rotating disc reduces rotating friction and improves rotating efficiency through the point-contact rolling piece, the rolling piece supports the rotating position of the rotating disc in a point contact mode, and the zero-clearance matching effect is achieved; the stable opening and closing of the aperture blades benefit from the zero-clearance stable rotation of the turntable, thereby facilitating the improvement of the photographing and imaging effect of a user, and improving the photographing quality.
Owner:FOSHAN BAIRUI OPTOELECTRONICS TECH CO LTD

Variable aperture device for camera module and product including the same

The present invention relates to a variable aperture device for a camera module. The device comprises: a base having a base aperture and a pair of blade guides; a pair of main blades guided by the blade guides; a pair of supplemental blades guided by the blade guides; a cover that is fixed to the base and has a cover aperture; and an actuator for moving the main blades and the supplemental blades relative to the base. Each of the main blades has a respective notch. The notches collaboratively define a central aperture and a fixed aperture. Each of the supplemental blades has a respective notch. The notches collaboratively define a minimum aperture and a maximum aperture.
Owner:HUAWEI TECH CO LTD

Aperture module, and camera device and optical instrument comprising same

An embodiment comprises: a base; a rotor disposed on the base; a ball member disposed between the base and the rotor; a magnet disposed on the rotor; a coil which is disposed on the base so as to face the magnet, and which rotates the rotor by means of interaction with the magnet; a blade part which is connected to the rotor and which has an opening that varies in size by means of the rotation of the rotor; and a first sensor and a second sensor for sensing the displacement of the rotor, wherein the magnet includes a curved surface protruding in the direction toward the coil, and the first sensor and the second sensor face the protruding curved surface of the magnet.
Owner:LG INNOTEK CO LTD

Elastic anti-backlash variable aperture structure and photographic equipment

The invention relates to an aperture structure, in particular to an elastic anti-backlash variable aperture structure and photographic equipment, which comprises a fixing assembly, the fixing assembly is provided with a turntable and an aperture blade, the aperture blade is driven between the turntable and the fixing assembly through a guide structure, and the fixing assembly is provided with an elastic deformation piece. The elastic deformation part abuts against the fixing assembly and the aperture blade so as to limit the rotation position of the aperture blade. The elastic deformation piece is installed on the fixing assembly, the elastic deformation piece abuts against the aperture blade, the rotation position of the aperture blade is limited, the aperture blade is kept in the pressed state in the direction of the acting force under the influence of the elastic acting force of abutting contact, and therefore the aperture blade cannot shake easily at the position of the installation gap; therefore, the movement of the aperture blade can become more stable, noise generated by gap friction collision is reduced, abrasion to the mounting position is reduced, and the aperture adjustment precision is guaranteed, so that the quality of photographing output of photographic equipment is guaranteed, and convenience is brought to a user.
Owner:FOSHAN BAIRUI OPTOELECTRONICS TECH CO LTD

Iris module and camera module including the same

The embodiments of the present invention are directed to providing a diaphragm module, and a camera module including the same, capable of reducing magnetic interference between an AF magnet and a ring magnet. In addition, according to the embodiments, the arrangement of coils included in the diaphragm module can be diversified.
Owner:LG INNOTEK CO LTD

Lens driving device, camera module, and optical apparatus

The present invention relates to a lens driving device including a first housing, a coil holder disposed in the first housing, an iris disposed on the coil holder, a plate disposed on the first housing, a second coil and a fourth coil disposed on the plate, a second magnet disposed on the coil holder and facing the second coil, a fourth magnet disposed on the iris and facing the fourth coil, and a fourth sensor disposed on the plate and configured to sense the fourth magnet, wherein the fourth coil overlaps the second coil in a first direction perpendicular to an optical axis direction.
Owner:LG INNOTEK CO LTD

Variable aperture driving motor, camera device, and electronic device

Provided are a variable aperture driving motor, a camera device, and an electronic device. The variable aperture driving motor comprises: a base assembly (10), the base assembly (10) having an accommodating cavity; a lens support (20), at least part of the lens support (20) being movably disposed inside the accommodating cavity; driving magnets (30), with a plurality of driving magnets (30) being provided, and the plurality of driving magnets (30) being arranged on a circumferential side wall of the lens support (20); driving coils (40), with a plurality of driving coils (40) being provided, the driving coils (40) being arranged on the base assembly (10) corresponding to the driving magnets (30), and the driving magnets (30) and the driving coils (40) inducing each other to rotate the lens support (20) relative to the base assembly (10); a blade group (50), a first end of the blade group (50) being arranged at the top end of the base assembly (10), and a second end of the blade group (50) being connected to the lens support (20); and a gear assembly (60), at least part of the gear assembly (60) being arranged on the lens support (20), and at least another part of the gear assembly (60) being arranged on the base assembly (10). The problem of the poor use performance of the variable aperture driving device in the prior art is solved.
Owner:SHANGHAI BILLU ELECTRONICS CO LTD

Variable aperture module

The variable aperture module includes a fixing component, a movable component, a shape memory alloy wire, a first clamping component, a second clamping component and a third clamping component. The movable component is movably disposed relative to the fixing component. The shape memory alloy wire has a first wire end and a second wire end. The first clamping component clamps the first wire end. The second clamping component clamps a portion of the shape memory alloy wire other than the first wire end and the second wire end. The third clamping component clamps the second wire end.
Owner:GUANGZHOU LUXVISIONS INNOVATION TECH LTD

Variable aperture and camera module

The present disclosure relates to the technical field of camera modules. Specifically provided are a variable aperture and a camera module. The variable aperture includes a housing, a rotary member rotatably connected to the housing, a driving member fixedly connected to the housing and multiple blades. Each of the multiple blades is rotatably connected to the rotary member and is slidably connected to the housing. The multiple blades enclose to form an aperture hole with an adjustable bore diameter. A guide groove is disposed on one of each of the multiple blades and the housing, and the other of each of the multiple blades and the housing is connected to a guide column. The guide column is inserted into the guide groove. An outer diameter of the guide column is not less than a groove width of the guide groove.
Owner:LUXSHARE INTELLIGENT MFG TECH (CHANGSHU) CO LTD

Imaging lens driving module, camera module and electronic device

An imaging lens driving module includes a lens carrier, an imaging lens assembly, a first frame element, a variable aperture element, a circuit board, a flexible wire plate, a first driving element and a second driving element. The imaging lens assembly is disposed in the lens carrier. The imaging lens assembly is disposed on a first rail of the first frame element via a first ball element. The variable aperture element is disposed on the lens carrier. The circuit board is disposed on an image side of the imaging lens assembly. The flexible wire plate is coupled to the circuit board and the lens carrier. The first driving element is for rotating blades of the variable aperture element for enlarging or shrinking an aperture hole. The second driving element is for driving the lens carrier to move along a first direction.
Owner:LARGAN PRECISION

Information processing apparatus, and information processing method

An information processing apparatus according to the present invention including a processor, and a memory storing a program which, when executed by the processor, causes the information processing apparatus to execute acquisition processing of acquiring a diaphragm value of a lens of an imaging apparatus, and execute output processing of outputting the diaphragm value acquired during capturing of a captured image of the imaging apparatus and blur shape-related information related to a shape of blur occurring in the captured image.
Owner:CANON KK

Optical element driving mechanism

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 moves relative to the fixed part. The driving assembly drives the movable part to move relative to the fixed part. The driving assembly includes a first magnetic element and a coil.
Owner:ACTUTEK CORP

Camera module, electronic device and position detection method for camera module

A camera module, an electronic device and a position detection method for the camera module are provided according to the present disclosure. The camera module includes an autofocus mechanism, an adjustable diaphragm mechanism and a linkage mechanism. A focus driving assembly drives a supporting frame to drive a lens to move, so that the autofocus mechanism realizes focusing movement. When the lens moves, the linkage mechanism drives a blade driving assembly to drive a shading blade to move according to a current position of the lens in an optical axis, so as to adaptively change a shading area of the shading blade on the lens. In this way, the focusing movement of the lens can be linked with the aperture adjustment movement of the adjustable diaphragm, thereby realizing the consistent adjustment of the lens focus and the aperture of the diaphragm.
Owner:AAC OPTICS SOLUTIONS PTE LTD

Variable aperture drive motor, imaging device, and electronic apparatus

The invention provides a variable aperture driving motor, an image pickup apparatus, and an electronic apparatus. The variable aperture driving motor comprises a base assembly which is provided with an accommodating cavity; at least one part of the lens supporting body is movably arranged in the accommodating cavity; the number of the driving magnets is multiple, and the multiple driving magnets are arranged on the circumferential side wall of the lens supporting body; the driving coils are arranged on the base assembly corresponding to the driving magnets, and the driving magnets and the driving coils induce each other so that the lens supporting body can rotate relative to the base assembly; the first end of the blade set is arranged at the top end of the base assembly, and the second end of the blade set is connected with the lens supporting body; at least one part of the gear assembly is arranged on the lens supporting body, and at least the other part of the gear assembly is arranged on the base assembly. The problem that in the prior art, a variable aperture driving device is poor in use performance is solved.
Owner:SHANGHAI BILLU ELECTRONICS CO LTD

Optical element driving mechanism

An optical element driving mechanism is provided, which includes a movable portion, a fixed portion and a driving assembly. The movable portion is connected with an optical element. The movable portion is movable relative to the fixed portion. The driving assembly is configured to drive the movable portion to move relative to the fixed portion.
Owner:ACTUTEK CORP

Piezoelectric diaphragm with variable optical aperture

The invention discloses a piezoelectric diaphragm with a variable optical aperture, which comprises a shell, an annular rotor and a blade group arranged on the upper surface of the rotor, a variable aperture is formed in the middle of the blade group, and when the rotor rotates forwards or reversely, the aperture becomes larger or smaller. The ring-shaped stator is propped against the lower part of the rotor; the ring-shaped piezoelectric ceramic is fixed with the stator; the integral structure of the diaphragm can be mounted in the shell in an axial symmetry manner to form a cylindrical structure, and compared with an irregular structure in the prior art, the axial symmetry structure is convenient to mount and high in universality.
Owner:NANJING UNIV OF AERONAUTICS & ASTRONAUTICS

Optical system and camera module

PCT designated stageWO2025206746A1Camera diaphragmsLensOphthalmologyOptical axis
An optical system, according to one embodiment of the present invention, comprises first to eighth lenses arranged along an optical axis, wherein the fifth lens has negative (-) refractive power, the sixth lens has positive (+) refractive power, the seventh lens has positive (+) refractive power, the eighth lens has negative (-) refractive power, and the sign of the radius of curvature on the sensor-side surface of the second lens is the same as the sign of the radius of curvature on the object-side surface of the third lens.
Owner:LG INNOTEK CO LTD

IMAGE DEVICE

Imaging device to which an interchangeable lens (200) can be attached, wherein the interchangeable lens (200) includes an aperture (260) and an aperture control unit (261) configured to drive the aperture (260), the imaging device comprising: an imaging element (110) configured to reset the accumulated charge; a shutter (180) configured to block and open an optical path to the imaging element (110); a shutter control unit (181) configured to control the shutter (180); a control unit configured to command an imaging operation; and a controller (140) configured to control the aperture control unit (261) and the imaging element (110) according to the command from the operating unit, characterized in that the controller (140) is configured to detect a prediction time of an aperture operation of the aperture control unit (261); and to initiate a charge reset process of the imaging element according to the prediction time of the aperture operation in order to complete the charge reset process at or before completion of the aperture operation.
Owner:PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO LTD

Aperture driving apparatus, camera apparatus, and electronic device

PCT designated stageWO2026000482A1Camera diaphragmsDrive motorOptics
The present invention provides an aperture driving apparatus, a camera apparatus, and an electronic device. The aperture driving apparatus comprises: a base assembly, the base assembly having an accommodating cavity; a rotating body, at least a part of the rotating body being movably arranged in the accommodating cavity, a circumferential outer side wall of the rotating body being provided with a driving slot extending in the circumferential direction, and two ends of the driving slot in the length direction having a height difference in the axial direction of the rotating body; a spring assembly, at least a part of the spring assembly being arranged on the base assembly, and at least a part of the spring assembly being compressible along the axial direction of the rotating body; an abutting assembly, the spring assembly being drivingly connected to the abutting assembly and driving the abutting assembly to move along the axial direction of the rotating body, the abutting assembly having an abutting end, and at least a part of the abutting end extending into the driving slot and driving the rotating body to rotate; and a plurality of aperture blades, the plurality of aperture blades being arranged around the circumferential direction of the rotating body. The present invention solves the problem in the prior art of poor performance of aperture drive motors.
Owner:SHANGHAI SMA TECH CO LTD