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884results about "Camera diaphragms" patented technology
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Aperture unit
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.
Owner:ACTUTEK CORP
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
Optical element driving mechanism
An optical element driving mechanism is provided, including a movable part, a fixed part, and a driving assembly. The movable part is used for connecting an optical element. The movable part is movable relative to the fixed part. The driving assembly is used for driving the movable part to move relative to the fixed part. The driving assembly is used for driving the movable part to move in a first dimension.
Owner:ACTUTEK CORP
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
Aperture elastic blade and automatically-adjusted aperture structure
Owner:FOSHAN BAIRUI OPTOELECTRONICS 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
Aperture module, lens device and photographic equipment
ActiveCN223244942UNon-rotating vibration suppressionCamera diaphragmsMechanical engineeringElastic distortion
The utility model relates to the technical field of aperture devices, and relates to an aperture module, a lens device and photographic equipment. The aperture module comprises a fixing seat and a rotating disc, the fixing seat is provided with an inner cavity, the rotating disc is axially and rotatably arranged in the inner cavity, a containing groove communicated with the inner cavity is further formed in the fixing seat and is opposite to the rotating disc, a gap is formed between the rotating disc and the fixing seat, a silencing part is installed in the containing groove, and at least part of the silencing part extends into the inner cavity through the containing groove. And the silencing part penetrates through the gap to be in contact with the turntable, and is extruded by the turntable to generate elastic deformation. The rotary disc can rotate around the central axis in the inner cavity relative to the fixing base under the action of external force, meanwhile, the rotary disc also rotates relative to the silencing part, the rotary disc is indirectly connected with the fixing base through the silencing part, vibration of the rotary disc is absorbed through elastic deformation of the silencing part, and then the purposes of shock absorption and noise reduction are achieved when the aperture module acts. And the requirement of photographic equipment on silencing of the aperture during video recording is met.
Owner:FOSHAN BAIRUI OPTOELECTRONICS TECH CO LTD
Intelligent vehicle-mounted electronic rearview mirror system based on optical fiber transmission
The invention provides an intelligent vehicle-mounted electronic rearview mirror system based on optical fiber transmission, and the system comprises a camera module which is installed outside a vehicle body; the host is connected with the camera module through an optical fiber and is used for receiving and processing the video data acquired by the camera module; and the rearview mirror display screen is connected with the host and is used for displaying the video processed by the host. Data transmission is carried out through the optical fiber, high-speed and uncompressed video signal transmission is ensured, delay and data loss are reduced, and the stability and reliability of the system are improved. The camera module comprises a self-adaptive optical assembly, the self-adaptive optical assembly comprises a wavefront detector, a wavefront controller and a wavefront corrector, and the self-adaptive optical assembly can correct subtle image distortion introduced by lens deformation or aerodynamic effect during high-speed driving, so that the imaging definition under the extreme illumination condition is further improved.
Owner:SHANGHAI HEQIAN ELECTRONICS TECH CO LTD
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
Variable aperture imaging drive device
The utility model provides a variable aperture camera shooting driving device, and relates to the technical field of optical element driving. The variable aperture camera shooting driving device comprises an upper cover, a limiting piece, a blade assembly, a driving assembly, a carrier, a base and an electric connecting piece, the upper cover and the limiting piece are fixedly arranged on the base in a buckled mode, the blade assembly is arranged between the limiting piece and the carrier, the carrier is carried on the base, a driving assembly is arranged between the carrier and the base, an electric connecting piece is arranged on the base, and the driving assembly is electrically connected with the electric connecting piece. And the pre-pressing assembly is used for pre-pressing the blade assembly and is arranged between the limiting piece and the carrier. According to the technical scheme, the technical problems that in the prior art, a blade limiting mode generally only adopts a positioning column mode, no pre-tightening force exists, and precision, repeatability and the like become poor due to fit clearance can be solved.
Owner:LIAONING ZHONGGUANG ELECTRIC TECH 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
Camera module including aperture
A camera module is provided. The camera module includes a lens assembly, a blade set disposed on an upper surface of the lens assembly and adjusting a diameter of a lens incident hole, a rotational drive part connected to the blade set and controlling movement of blades through a rotary motion, a blade connecting part connected to one side of the rotational drive part and rotating the rotational drive part, a linear moving part connected to the blade connecting part and accommodating a blade drive magnet on its outer side and a blade drive coil disposed opposite to the blade drive magnet, wherein in accordance with a current applied to the blade drive coil, the camera module adjusts a diameter of the lens incident hole by linearly moving the linear moving part within a blade drive aperture, which is disposed on a first side of a side frame.
Owner:SAMSUNG ELECTRONICS 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
ActiveCN115061260BProjector focusing arrangementCamera focusing arrangementOptical axisCamera module
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
PCT designated stageWO2025189818A1Association with control/drive circuitsCamera diaphragmsGear wheelDrive motor
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, imaging lens module and electronic device
A variable aperture module includes a blade assembly including movable blades, a positioning element including positioning structures and a driving part including a rotation element. The movable blades are disposed around an optical axis to form a light passable hole with adjustable size for different hole size states and each have an inner surface to define the contour of the light passable hole in each hole size state. The positioning structures correspond to the movable blades. The rotation element is rotatable with respect to the positioning element and is configured to rotate the movable blades to adjust a size of the light passable hole. There are matte structures disposed on each inner surface. Each matte structure is single structure extending towards the optical axis, such that at least part of the contour of the light passable hole has an undulating shape at least in several hole size states.
Owner:LARGAN PRECISION
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, camera module and electronic equipment
The invention relates to a variable aperture, a camera module and electronic equipment. The variable aperture comprises a base, at least two piezoelectric actuators, a rotary moving part, at least two aperture blades, a limiting frame and a magnetic attraction assembly. The magnetic attraction assembly comprises at least two permanent magnets which are symmetrically embedded in the bottom of the limiting frame, and a non-contact gap is formed between the bottom surface of each permanent magnet and the upper surface of the base; axial magnetic attraction force generated between the permanent magnet and the base is transmitted through the limiting frame to form axial pressing force on the rotating moving piece, and the friction contact interface is made to maintain preset contact pressure. A pre-pressure control system adopts a non-contact magnetic pre-tightening force mechanism, a traditional mechanical spring is replaced by non-contact magnetic attraction force between the permanent magnet and the magnetic conductive alloy base so as to achieve axial pressing force on the rotating moving part, and the magnetic pre-tightening force type permanent magnet pre-tightening force device has the advantages of being stable in pre-pressure control, small in size, light in weight, free of magnetic interference, low in cost and the like.
Owner:厦门市众惠微电子有限公司
Actuator assembly
An actuator assembly comprising a first part, a second part that is moveable relative to the first part, and one or more actuating units. Each actuating unit is configured to apply an actuating force to the second part capable of moving the second part relative to the first part, wherein at least a first actuating unit comprises at least a first SMA element configured, on actuation, to generate an input force so as to give rise to the actuating force. The first SMA element is slack when not actuated, and the actuator assembly is configured such that the first SMA element, when slack, is constrained from entering a restricted area.
Owner:CAMBRIDGE MECHATRONICS
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