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Matches 651 - 700 out of 8,505

Document Document Title
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 ...  
JP2011248024
To adjust light quantity by effectively avoiding the deterioration of MTF caused by small-aperture diffraction with a relatively simple means.A light quantity adjusting device holds ND filters 62 and 72 which include light reducing parts...  
JP2011247985
To provide a motor attachment structure having improved workability.A motor attachment structure 100 of the present invention includes: a motor 15 having a surface 15F to be attached from which a rotation shaft 15S extends, and in which ...  
JP2011250247
To provide an imaging apparatus capable of accurately controlling exposure time even if a curtain speed characteristic is varied when a shutter curtain performs a light-shielding operation.A camera body 300 comprises: an imaging part for...  
JP2011248164
To appropriately distribute power from an imaging apparatus to drive parts.A distribution power determination part 260 acquires the amount of supply power from a mounted imaging apparatus and operation information concerning the operatio...  
JP2011237673
To provide a shutter device which reduces energy required for charging and lowers a peak of charging power.A shutter device comprises: a main driving member 1 which drives a shading blade RC by rotating with respect to a base member 5; a...  
JP2011237533
To maintain accuracy of aperture control even when a reset sensor deteriorates due to secular change, etc.A system control section 101 excites a stepping motor to a predetermined excitation phase which corresponds to a start position of ...  
JP2011232611
To provide a focal plane shutter that suppresses variation in the speed of a curtain, and an optical device having the same.The focal plane shutter according to the present embodiment comprises: an electromagnet 70B; a substrate 10 havin...  
JP2011227472
To securely reflect the rotation of a diaphragm operating ring on the swing of a rosette in a lens barrel.In a cam cylinder 22, a groove 37 intersecting a long hole 36a at right angles is formed, and a groove 13a disposed so as to substa...  
JP2011227195
To provide a magnetic driver, averting the number of components from increasing, and the configuration from becoming complex, miniaturizing the outer shape, and enabling a yoke to be firmly positioned with respect to a rotor magnet.The m...  
JP2011221358
To enable the amount of movement of diaphragm blades to be increased and improve contrast.The device includes: a diaphragm base 111 in which an aperture part 111a for passing light from a light source is formed; multiple diaphragm blades...  
JP2011215191
To provide an imaging apparatus, the size of which is prevented from being increased.A front curtain 2 is biased by a biasing force so as to move from a third position on an optical path of an optical system to a fourth position at which...  
JP2011215239
To solve the following problem: the light-shielding properties of the surface of a black layer formed on the surface of the conventional light-shielding body are changed since the surface of the black layer is damaged when it is touched ...  
JP2011217368
To provide an imaging apparatus successfully correcting luminance unevenness of an image that may be generated by an electronic front curtain.This imaging apparatus is equipped with: an optical system configured to collect subject light;...  
JP2011215498
To provide an imaging apparatus for adjusting the amount of light, while preventing a change in the amount of a parallax between view-point images, in obtaining a plurality of view-point images.The imaging apparatus 1 includes: imaging l...  
JP2011215319
To provide an integrated type diaphragm device for a camera that suitably obtains a small aperture stop just by devising configuration of a plurality of aperture blades.A diaphragm driving ring 4 is rotatably attached to a bottom plate 1...  
JP2011215589
To provide a light shielding blade for an optical apparatus capable of surely improving planarity.Regarding the light shielding blade B for the optical apparatus, carbon fibers can be arranged along a flat part 10 upon molding, according...  
JP2011203373
To provide a structure to contrive downsizing of an image pickup apparatus by reducing, when a lens barrel is in a stored position, the thickness of the image pickup apparatus in its optical axis direction and also reducing the outside d...  

Matches 651 - 700 out of 8,505