398results about "Shutters" patented technology

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.

A variable aperture device and a camera module. The variable aperture device comprises at least one stator (20) and at least one mover (30), wherein the mover (30) is movably assembled on the stator (20); at least one driving assembly (40), which is used for driving the mover (30) to axially rotate or move linearly relative to the stator (20); and a plurality of adjustment assemblies (50), the adjustment assemblies (50) defining at least one light passage hole (500), the adjustment assemblies (50) being adjustably mounted to the stator (20) and the mover (30), and as the mover (30) moves relative to the stator (20), the relative positions of the adjustment assemblies (50) being driven to change, so as to define the size of the light passage hole (500); the stator (20) and the mover (30) are correspondingly provided with at least two sets of ball slots (240, 340), at least two balls (41) are separately assembled within the ball slots (240, 340), the inner wall surface of at least one ball slot (240, 340), extends at an angle relative to an optical axis L and abuts against at least one ball (41), and the inner wall surface of the remaining at least one ball slot (240, 340) extends in directions perpendicular to the optical axis and parallel to the optical axis L.

A driving mechanism for moving an optical element is provided. The driving mechanism includes a fixed part, a movable part, and a driving assembly. The movable part is movably connected to the fixed part for holding the optical element. The driving assembly is configured for moving the optical element relative to the fixed part.

An aperture unit having an optical axis is provided, which includes a fixed portion having a first surface and including a protrusion formed on the first surface, a guiding element movably connected to the fixed portion and including a through hole, a first blade movably connected to the guiding element and the fixed portion, and a driving assembly use for driving the guiding element to move for moving the first blade. The optical axis passes through the through hole. The first surface has a first accommodating space having a recessed structure to accommodate the guiding element, and the protrusion extends toward the first blade.

A driving mechanism for moving an optical element is provided, including a fixed part, a movable part, movably connected to the fixed part, a positioning structure, and a driving assembly. The optical element is disposed on the movable part, and the positioning structure is formed on the fixed part to restrict the movable part in a specific position relative to the fixed part. The driving assembly is configured to drive the movable part to move relative to the fixed part.

The embodiment of the invention provides a variable aperture device, a camera module and electronic equipment. Relates to the technical field of electronic equipment shooting. Mainly aims to provide a structure capable of integrating a mechanical shutter for controlling global exposure in a variable aperture device. The variable aperture device comprises a seat body, a carrier, a plurality of aperture blades and a plurality of shutter blades, when the carrier rotates relative to the seat body, the aperture blades and the shutter blades slide relative to the carrier and rotate relative to the seat body; the movement positions of the multiple aperture blades comprise a first position and a second position, and when the multiple aperture blades move from the first position to the second position, a light inlet hole defined by the multiple aperture blades becomes large; at the first position, the shutter blade completely shields the light inlet hole, and at the second position, the shutter blade deviates from the light inlet hole. According to the invention, global exposure is realized through cooperation of a plurality of aperture blades and shutter blades.

An optical element driving mechanism includes a movable assembly, a fixed assembly, and a driving assembly. The movable assembly is configured to be connected to an optical element. The movable assembly is movable relative to the fixed assembly. The driving assembly is configured to drive the movable assembly to move relative to the fixed assembly in a range of motion. The optical element driving mechanism further includes a positioning assembly configured to position the movable assembly at a predetermined position relative to the fixed assembly when the driving assembly is not operating.

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

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.

Embodiments of the disclosure relate to a camera module. The base is provided with a driving member, the driving member is used for driving a lens supporting frame to move and focus along an optical axis direction, and the driving member is further configured to drive the blade driving frame to rotate around the optical axis. That is to say, the driving member for driving the light-shielding blades and the driving member for driving the lens to focus are the same, so that the number of elements of the camera module can be reduced, thereby reducing the volume and weight of the camera module, and avoiding interference between the structure for focusing in the camera module and the power mechanism for driving the light-shielding blades. The embodiments of the disclosure further disclose a camera and an electronic device.

A driving mechanism for moving an optical element is provided. The driving mechanism includes a fixed part, a movable part, and a driving assembly. The movable part is movably connected to the fixed part for holding the optical element. The driving assembly is configured for moving the optical element relative to the fixed part.

The invention discloses an image capturing device and an optical path switcher. The image capturing device comprises a first lens group, an optical steering element, a second lens group, the optical path switcher and an image sensor. The first lens group and the second lens group are respectively provided with a first optical axis and a second optical axis parallel to the first optical axis. The first optical axis is reflected to the optical steering element. The light path switcher selectively enables imaging light entering the first lens group and the second lens group at an incident angle to pass through or not to pass through, and the incident angle is larger than or equal to a critical angle. The optical path switcher comprises a first light-transmitting medium and a second light-transmitting medium. When the imaging light enters the second light-transmitting medium from the first light-transmitting medium, the imaging light is reflected by the light path switcher, and when the imaging light does not enter the second light-transmitting medium, the imaging light penetrates through the first light-transmitting medium and penetrates through the light path switcher. The image sensor is located at the downstream of the light path of the light path switcher and used for capturing the imaging light.

A privacy device includes a shutter moveably mounted along a first axis to a frame supporting a camera having a lens. A closing solenoid is supported by the frame and including a closing core. Control circuitry is coupled to the closing solenoid to cause the shutter to cover the lens. An opening solenoid that includes an opening core may be used to move the shutter to an open position to uncover the lens.

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 is for connecting an optical element. The movable part moves relative to the fixed part. The driving assembly is for driving the movable part to move.

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

A driving mechanism for moving an optical element is provided. The driving mechanism includes a fixed part, a movable part, and a driving assembly. The movable part is movably connected to the fixed part for holding the optical element. The driving assembly is configured for moving the optical element relative to the fixed part.

An optical element driving mechanism is provided, including a fixed part, a movable part, and a driving assembly. The fixed part includes a base. The base corresponds to an optical module. The movable part is connected to an optical element. The movable part is movable relative to the fixed part. The driving assembly drives the movable part to move relative to the fixed part. The base includes an accommodation portion, and the accommodation portion has a recessed structure.

According to one embodiment, a camera module includes an optical system, an imaging device, and a liquid crystal panel. The optical system includes at least one or more lenses. The liquid crystal panel includes an electrode for forming an aperture pattern which makes light incident on the imaging device, the liquid crystal layer, and a driver driving the liquid crystal layer. To allow light transmitted through at least one lens included in the optical system to be made incident, the liquid crystal panel is arranged between the lens and the imaging device.

The invention provides a photographing parameter setting method and electronic equipment. In the method, the electronic equipment issues exposure parameters to hardware at the SOF of the Nth frame, so that new exposure parameters begin to take effect at the (N + 2) th frame. Moreover, a new aperture parameter starts to take effect at the EOF of the Nth frame, so that the influence of aperture adjustment on the image frame is effectively reduced.

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.

A driving mechanism is provided, including a fixed part, a movable part connected to the fixed part, and a driving assembly configured to impel the movable part relative to the fixed part, so that the driving mechanism is switchable between an open state and a closed state. The fixed part has a plurality of holes. When the driving mechanism is in the open state, light propagates through the driving mechanism via the holes, and when the driving mechanism is in the closed state, the holes are blocked by the movable part.

Provided is a subject depth estimation method including the steps of obtaining a non-masked captured image by imaging a subject in a state where no mask is installed, determining a representative edge direction based on an edge image included in the non-masked captured image, selecting, from among a plurality of masks prepared in advance, a combination of the masks with a relatively highest depth estimation accuracy of an object corresponding to an image representing an edge in an equal direction to the representative edge direction, obtaining a plurality of masked captured images by imaging the subject using each of the masks included in the selected combination of the masks, and calculating a depth estimation value of the subject at each of a plurality of positions by performing decoding processing based on a point spread function unique to each of the masks selected on the plurality of masked captured images.

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.

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.

An image pickup apparatus includes an image sensor, an optical filter, a holding member configured to hold the optical filter, a driving unit configured to move the holding member, a grip portion configured to be gripped by a user, and a light blocking member configured to control blocking or opening of an image pickup range. The driving unit moves the optical filter between (i) a first position at which the optical filter is inserted into the image pickup range and (ii) a second position at which the optical filter is retracted from the image pickup range in a direction from the first position toward the grip portion. The optical filter is located on a side closer to the image sensor than the light blocking member.

Video display systems comprising a video display and a camera assembly are shown and described. In one example, video cameras may be stowed in and deployed from a compartment proximate the upper surface of the display and configured to deploy in an arc-like motion and for rotation about a center of the video camera housing itself. In other examples, video cameras may be aligned with openings in the frame of the television screen and operatively connected to shutter plates that selectively admit light to or block light from the camera. In a further example, video cameras may be provided on motorized mounts that are attached to the frame to collect multiple images for video processing tasks to enhance the video image in a variety of ways.

To provide an imaging module in the technical field of imaging devices.SOLUTION: The magnetic force between a driving coil assembly and a driven magnetic member assembly is used to achieve non-contact driving of a shading blade by a blade driving mechanism, so that the blade driving mechanism and an autofocus mechanism operate independently of each other without interference. Moreover, since a cylinder, a lens, the driving coil assembly and a blade support member are all assembled along an optical axis, multi-directional protrusions of on the structure of the imaging module can be avoided. The structure of the imaging module provided according to the present invention is simpler and uses fewer components, and thus can reduce the assembly difficulty and manufacturing cost of the imaging module. The present application also discloses an electronic apparatus, which includes a device body and the imaging module arranged on the device body.SELECTED DRAWING: Figure 5

An optical element driving mechanism is provided. The optical element driving mechanism includes a movable portion used for connecting an optical element, a fixed portion, and a driving assembly used for driving the movable portion to move relative to the fixed portion. The movable portion is movable relative to the fixed portion.

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.