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JP6654640B2 |
A blade driving device includes an opening forming member, and a plurality of groups of blades that are pivotably disposed in a ring form around an opening portion of the opening forming member. The plurality of groups of blades include ...
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JP6654591B2 |
To provide an image capturing device and blade driver, which offer good exposure accuracy even during a continuous operation.An image capturing device has: a blade driver comprising front and rear curtains movable between close positions...
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JP6654243B2 |
A blade driving device including, a base plate including an opening through which light passes, a blade configured to runs on a surface of the base plate to open and close the opening, a drive mechanism including a drive spring and actua...
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JP2020027230A |
To provide a compact and high-accuracy luminous power adjusting device that forms a circular light passage opening from an open state to a small aperture diameter.A luminous power adjusting device comprises: a base member having a light ...
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JP2020027175A |
To perform motor control for acceleration at low cost in a light quantity control device for performing light quantity adjustment.A light quantity control device opens and closes a diaphragm blade 121 by driving of a motor 110. A drive c...
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JP2020028080A |
To provide an imaging apparatus capable of shooting an HDR image of good image quality in HDR shooting under a flicker environment.The imaging apparatus includes: an imaging unit for capturing a subject image; a detection unit for detect...
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JP2020027229A |
To provide a compact luminous power adjusting device that forms a circular light passage opening from an open state to a small aperture diameter.The luminous power adjusting device comprises a plurality of aperture blade groups coming in...
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JP2020027231A |
To provide a compact and high accuracy luminous power adjusting device that forms a circular light passage opening from an open state to a small aperture diameter.A luminous power adjusting device comprises: a base member having a light ...
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JP6649505B2 |
A shutter device for use in exposure by a photolithography machine and a method of using the shutter device are disclosed. The device includes a shutter blade (1); a rotating motor (2) for driving the shutter blade (1) to rotate; a contr...
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JP6649990B2 |
A camera device includes a plurality of lenses and an annular body. The annular body is disposed between the object side and the plurality of lenses, between the plurality of lenses, or between the plurality of lenses and the image side....
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JP6647051B2 |
A light amount adjustment device comprises: a case which has a hole; a first link which is rotatable with respect to the case; a driving part which rotates the first link; a first straight wing and a second straight wing which are respec...
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JP6644843B2 |
[Problem] It is necessary to provide a compact light-quantity control apparatus capable of forming an aperture having a good shape. [Solution] The light-quantity control apparatus includes a base member (2) provided with an opening (2b) ...
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JP2020020843A |
To provide having an aperture unit capable of switching the aperture shape between a first shape and a second shape with a single aperture unit.The aperture unit includes: multiple diaphragm blades fixed to a drive pin; a base member sup...
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JP2020020882A |
To provide a focal plane shutter in which dispersion of dust can be suppressed, which is generated by frictions when a shutter blade operates.The focal plane shutter includes: a bottom board having an opening and a first axis of rotation...
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JP6641657B2 |
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JP6641664B2 |
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JP6641036B2 |
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JP2020016753A |
To provide a low-hysteresis blade drive device that is small in load fluctuation during diaphragm driving.A blade drive device comprises: an aperture formation member that has an aperture part through which light passes; a sheet member t...
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JP2020016836A |
To provide a light control device capable of controlling incident light intensity in multiple wavelength ranges.A light control device provided herein comprises an electrochromic element and is configured to change transmittance in a plu...
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JP6636833B2 |
To provide an actuator, a beam limiting device, an optical apparatus, and an electronic apparatus that are compact and thin due to that an urging member is arranged in a space wound by a coil.A revolving shaft 23 is coaxially mounted wit...
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JP6635816B2 |
To perform consecutive photographing in accordance with a purpose of a photographer when performing the consecutive photographing while switching finder photographing and live view photographing.An imaging apparatus comprises: switching ...
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JP2020012854A |
To allow a driving target member to be driven more accurately.A shutter device (100) includes: motors (Ma, Mb) having a full-step driving mode of applying a predetermined voltage to a coil and conducting a drive and a micro-step driving ...
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JP2020012875A |
To provide a diaphragm structure which can reduce the influence of a backlash without increasing the number of parts.The imaging apparatus may include a plurality of diaphragm blades. The imaging apparatus may include a driving mechanism...
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JP6632604B2 |
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JP6633746B2 |
Provided are an imaging device, method, and a non-transitory recording medium, which simultaneously image a plurality of images and obtain images having enlarged dynamic ranges by using an imaging system, comprising a directional sensor ...
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JP6631579B2 |
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JP6630996B2 |
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JP2020003546A |
To provide an image capturing device capable of keeping a contact load on an image sensor unit small by maintaining anti-dust capability of the image sensor unit even when a position of the image sensor unit moves.A camera 100 disclosed ...
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JP2020003566A |
To certainly carry out phase returning of a shutter device with a few number of signals.A shutter device includes: a shutter position detector 303 which detects a position of a shutter front-curtain 301; a shutter charge unit 400 which d...
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JP6627151B2 |
An imaging apparatus is provided, including a blade-driving device and a driving control unit which drives the front curtain actuator and the rear curtain actuator. The front curtain and the rear curtain are positioned at the open positi...
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JP2019219597A |
To enable fast focusing without requiring an image sensor suitable for a lens.An optical device of the present invention comprises: a lens having defined thereon a plurality of lens regions corresponding to distance to an object to be fo...
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JP6623458B2 |
There is provided a blade drive device including a substrate that has an opening, a front curtain and a rear curtain that are movable along an opening surface of the opening so as to open and close the opening, a front curtain electromag...
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JP6624786B2 |
A stop apparatus includes blades each having a drive pin, a support member supporting pivot members of the blades, and a cam member having cams engaging with the drive pins. The blades form an aperture. The cam member includes cams of wh...
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JP6623036B2 |
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JP6619184B2 |
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JP2019207334A |
To provide a lens device with which it is possible to control a diaphragm with high accuracy by a small data volume.A lens device (2) comprises an optical system (3) including a zoom lens group, a diaphragm (4) for adjusting light quanti...
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JP2019204038A |
To provide a shutter device capable of properly braking the travel of a blade group.A shutter device (200) includes a shutter base plate (1) in which an opening (1a) is formed, a light shielding member (40) which is reciprocatable betwee...
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JP2019203989A |
To provide a light-amount adjustment device that ensures stabilization of a diaphragm aperture when a plurality of blade members stop, and suppresses an effect of oscillation.A light-amount adjustment device comprises: a plurality of bla...
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JP6612225B2 |
A lens barrel (1,2,3) comprising: a fixed tube section (10,20,30) that is mounted to a camera body (B); a movable tube section (11,21,31) that is movably screwed to the fixed tube section (10,20,30); and a nut member (12,22,32) that, scr...
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JP6612044B2 |
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JP6609757B2 |
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JP2019200325A |
To provide a lens device which can realize a precise control of a diaphragm.A lens device (2) includes: an optical system (3) with a lens unit; a diaphragm (4) for adjusting the light amount in the optical system (3); and a controller (7...
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JP2019200430A |
To provide a diaphragm unit which can suppress generation of static electricity.The diaphragm unit includes: a diaphragm blade 30 with a first protrusion 31 and a second protrusion 32; a first opening member 20 engaged with the first pro...
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JP2019200234A |
To provide a lens barrel that can remove static electricity generating by a blade member or an oscillation member in the vicinity of the blade member.In a lens barrel 10 having an air flow passage communicating between an external space ...
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JP2019200365A |
To provide a shutter unit with which it is possible to achieve a faster frame speed without changing a shutter charge time, and an imaging device equipped with the shutter unit.A shutter unit comprises: a blade group capable of opening/c...
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JP6605433B2 |
A blade driving device having a base plate with an opening for an optical path; first and second blades, at different locations on the base plate, and each rotate to open/close the opening. A first magnet secured to the first blade; a se...
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JP6605294B2 |
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JP6605255B2 |
A lens unit comprises a lens barrel, a pair of base plates, and iris blade, and a blade driving portion. The lens barrel holds a plurality of lenses, and has a first slit that extends in the circumferential direction. A pair of base plat...
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JPWO2018135313A1 |
The present technology relates to an imaging device, an imaging method, and a program that allow a user to experience what is being photographed. An image sensor, a mechanical shutter that exposes the image sensor by controlling the ligh...
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JP2019191180A |
To provide a vision system that can obtain a uniform image exposure.A vision system includes: a variable focal length (VFL) lens system; a light source; an exposure time control unit; and a camera. The VFL lens system includes a tunable ...
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