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Patent Searching and Data


Matches 601 - 650 out of 8,472

Document Document Title
JP2012073383
To provide a blade driving device for a camera, capable of operating a blade member by a small and simple structure and of holding the blade member at a home position when the blade driving device is not conducted.A blade driving device ...  
JP2012070118
To suppress variation in exposure caused by the performance characteristics of a mechanical shutter.An image correction circuit is provided with: image acquisition part which acquires an image captured using a mechanical shutter for cont...  
JP2012068475
To provide a blade driving device for cameras linearly reciprocating two blades in the opposite directions and, even if a whole device is slimly constituted, favorably operating the blades without forming the blades elongated in an opera...  
JP2012068343
To make the output of an electromagnetic driving device higher by increasing a space for winding a coil on a coil bobbin.An electromagnetic driving device M includes: a coil bobbin 1 (10, 11) disposed around a magnet 12 integrally rotati...  
JP2012068536
To provide a light-shielding film having a fine rugged structure on the surface thereof and excellent heat resistance, to be used as a diaphragm vane for controlling the light quantity of a liquid crystal projector, the diaphragm vane ex...  
JP2012070417
To reduce exposure unevenness in a shutter scanning direction due to a difference in lens and the like in a shutter mechanism using a mechanical shutter and an electronic shutter in combination.An imaging device comprises an imaging elem...  
JP2012063448
To provide a focal plane shutter and an optical instrument which are restrained from getting large-sized.The focal plane shutter comprises: a rear curtain lever for driving a rear curtain; a first lever for driving a front curtain; a sec...  
JP2012058585
To provide a light quantity adjusting device including a motor mechanism part capable of reducing dimensions of a radial direction and an axial direction and increasing a motor output.In a light quantity adjusting device, a stator 1 of a...  
JP2012060823
To provide a stepping motor that can have compactly reduced radial and axial dimensions and can implement an increased motor output.A stepping motor 11 includes a rotor 6 circumferentially divided and magnetized to different alternate po...  
JP2012053209
To provide a blade drive unit for cameras having two or more light quantity control devices which have light quantity control blades formed with openings smaller than an exposure opening, providing a control state where the exposure open...  
JP2012053262
To provide an optical filter with hardly any occurrence of a ghost or a flare by reducing the reflectance of light on both front and back surfaces of such as a gradation ND filter.One of the surfaces of a substrate 31, a first surface, i...  
JP2012053271
To surely reflect the rotation of an aperture operation ring to swinging of an inner clip washer in a lens barrel.An aperture control member 36 comprises three narrow-plate-like brackets that is long in the direction of an optical axis L...  
JP2012054621
To provide an imaging device that corrects attenuation of the amount of incidence information to an imaging element.In a solid-state image pickup device using a lens having a galvanometer type diaphragm and means for detecting a focal di...  
JP2012053492
To achieve reduction in thickness and a diameter in the thickness direction of the optical axis direction.A light quantity adjusting device has at least one blade member 205 and 206 and driving means 210 for changing the passing luminous...  
JP2012050016
To provide an imaging apparatus capable of realizing the configuration of suppressing dust generated from a shutter unit or the like by a simple configuration and contributing to the miniaturization of a device.The imaging apparatus incl...  
JP2012047991
To provide a drive motor capable of realizing a highly accurate drive control by being hardly affected by a change in magnetic force of a rotor magnet and mechanical disturbance such as vibration and impact by realizing drive rotation ha...  
JP2012047958
To provide an image pickup apparatus capable of preventing deterioration in an image quality and simplifying an aperture control even in a configuration where an aperture stop diameter should be made larger than a wide end according to a...  
JP2012047791
To provide a diaphragm control device of a camera and the camera which can stabilize quality of an image acquired by photographing.A diaphragm control device of a camera comprises: a rotary weight 551 which is pivotally supported coaxial...  
JP2012042807
To provide a lens device capable of improving a zoom magnification and focusing on a close range despite a small size.A lens apparatus includes: an aperture stop SP having an aperture; a first lens B disposed on one side of an object sid...  
JP2012042614
To provide a diaphragm device for a projector moving two diaphragm plates in opposite direction respectively and stopping them at positions some interval apart.A first gear unit 2 includes a partial circular arc portion 22 and a partiall...  
JP2012042776
To provide an electrochromic light modulation device that improves response speed in a low temperature environment easily and efficiently.An electrochromic light modulation device includes a pair of transparent electrodes provided on a p...  
JP2012042785
To calculate a correction value of a shutter speed at the time of taking a photograph regardless of temperature or adjustment amount in factory adjustments.An imaging apparatus capable of correcting a shutter speed of a shutter unit 110 ...  
JP2012044693
To realize downsizing of an image sensor module and to minimize shutter delay.A camera unit comprises: an image sensor including a global reset circuit for resetting all the pixels simultaneously, I/O means for transmitting image data an...  
JP2012042555
To provide a shutter driving device and a camera having stable running characteristics of light-shielding blades and improved accuracy of exposure time.A concave spherical surface part 1411 is provided on an attraction part attachment pa...  
JP2012037632
To miniaturize a shutter driving device and a camera.The shutter driving device is configured: to move a front curtain drive lever 141 from an end position to an initial position at the time of reset by a front curtain overcharge absorbi...  
JP2012034455
To provide an outer rotor type electromagnetic actuator using a rotor forming poles of NS two poles.An electromagnetic actuator includes a tubular-shaped magnet rotor having poles magnetized to the two poles of an N pole and an S pole on...  
JP2012032703
To provide a mechanism capable of precisely fixing a detection element without using any dedicated part for pressing the detection element in an optical axis direction thereby reducing the cost for a lens barrel.The lens barrel comprises...  
JP2012028951
To correct an exposure time appropriately from the first photographed frame even under a high or low temperature environment to improve the exposure accuracy, in an electronic front curtain.An imaging device has: an imaging element; a me...  
JP2012027155
To make it possible to accelerate a shutter speed without using a sensor for detecting a closing operation of a blade member.A shutter apparatus comprises: a blade member opening and closing the opening in which light beam of a subject e...  
JP2012027332
To provide a focal plane shutter securing the accuracy of detecting the state of a curtain while suppressing enlargement, and to provide an optical instrument having the same.This focal plane shutter includes: a base plate that has an ap...  
JP2012027108
To provide a compact optical control device capable of easily fixing a plate member to a base member.The optical control device 10 includes: a base member 1 having an opening 1a through which light passes; optical control members 11 and ...  
JP2012027109
To provide an optical control device which can sufficiently reduce weight and which includes a highly rigid light shielding blade while using an inexpensive material.The optical control device includes a base member 10 having an opening ...  
JP2012027301
To provide a shutter driving device and a camera that can improve the adjustment accuracy of curtain speed and can make the adjustment of the curtain speed easy at the same time.A first gear part 151 having a large number of teeth for ad...  
JP2012022025
To provide a focal plane shutter with a reduced impact from a driving lever.A focal plane shutter 1 comprises: a base plate 10 having an opening 11; a front curtain driving lever 40A which is oscillatably supported on the base plate 10, ...  
JP2012018354
To provide a dimmer capable of suppressing a change in a blur level when adjusting a light quantity incident on an image pickup element, and achieving miniaturization.A dimmer 10 for adjusting the quantity of light incident on an image p...  
JP2012014092
To provide a light adjusting apparatus with a light weight and a compact simple thin structure at a low cost, that can be easily assembled and maintain product precision high.A light adjusting apparatus according to the present invention...  
JP2012014180
To provide an optical imaging device which can be used in a narrow installation space in an optical system for semiconductor lithography and has a system diaphragm which generates no particles soiling a lens.An optical imaging device (PL...  
JP2012013896
To provide an optical instrument capable of driving an optical diaphragm with excellent accuracy.An optical instrument 200 has a diaphragm device 204 forming an diaphragm aperture 262 with plural diaphragm blades 261 and to move the plur...  
JP2012014146
To provide a focal plane shutter device capable of performing slit exposure using a front curtain and a rear curtain and maintaining a state that an opening is covered while retreating the front curtain when charging the front curtain an...  
JP2012008285
To provide a miniaturized focal plane shutter and an optical apparatus having the same.The focal plane shutter as recited in one embodiment includes: a substrate 10 having an opening 11; a front curtain 20A with which the opening 11 can ...  
JP2012008182
To provide a projector into which two or more optical components capable of advancing and retreating on an optical path are incorporated while suppressing loss of quantity of light in an illumination device.Since a cut filter 31 and a di...  
JP2012008444
To provide an imaging device whose mirror is free from the possibility of being damaged by colliding against a hard position limiting member when the mirror, pressed to the position limiting member by the energizing force of a spring, vi...  
JP2012003083
To obtain a highly-accurate aperture value by continuing moving aperture blades smoothly in taking a moving image.An optical apparatus comprises: multiple aperture blades 204a; an opening and closing mechanism 204b for moving the plurali...  
JP2012003262
To provide a multi-resolution optical system and a method for manufacturing the same.A multi-resolution lens system (10) includes a relay lens (20) configured to be directed toward a field of view (FOV) (12) and receive a first plurality...  
JP2012002985
To provide an imaging device that enables a driven member to be driven at a high speed, accuracy of a stop position of the driven member to be improved and allows a driving sound of the driven member to be decreased.The imaging device co...  
JP2011257621
To allow a calibration processing with a simple system and without a particular device.A calibration method of a projector 1 equipped with an encoder 34 to output an encoded value corresponding to an aperture value of a diaphragm ring 31...  
JP2011248117
To provide a light adjusting device having a simple, inexpensive, light, compact, and thin structure, facilitating assembling, and capable of keeping high product accuracy.A light adjusting device comprises first and second substrates 30...  
JP2011248035
To provide a light control device that achieves low-profile configuration, while preventing a blade for regulating the amount of light, such as a shutter blade, a diaphragm blade, or a filter blade, from coming out of an axis thereof or ...  
JP2011250245
To provide an imaging apparatus capable of obtaining an image in a desired exposure state even if a curtain speed characteristic is varied when a shutter curtain performs a light-shielding operation.An imaging apparatus comprises: an ima...  
JP2011248029
To provide a compact light quantity adjustment device capable of suppressing image quality deterioration caused by using an ND filter.A light quantity adjustment device has a diaphragm having a variable aperture size, two filter members ...  

Matches 601 - 650 out of 8,472