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Patent Searching and Data


Matches 651 - 700 out of 8,475

Document Document Title
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...  
JP2011197082
To provide a blade driving device enabled in the miniaturization of the outer diameter direction and the thinning of the optical axis direction by making an auxiliary member have a plurality of functions.A blade chamber is constituted of...  
JP2011197265
To provide a shutter driving unit allowing a camera to be downsized, and a camera including the shutter driving unit.The shutter driving unit 100 is configured such that reduction gears 112 to 114 are disposed on a back side of a gear su...  
JP2011191490
To suppress wear of a diaphragm blade and a cam plate, and reduce the size while increasing performance.A cylindrical holding frame 1 includes a base part 11 where an aperture 12 is formed, and a side wall part 13 which is erected in a +...  
JP2011191349
To provide a variable diaphragm capable of equalizing a light quantity in a view field observed through an imaging optics, and to provide a microscope having the variable diaphragm.The microscope 10 includes a light source 21, an illumin...  
JP2011191342
To provide a focal plane shutter that allows shooting using an optical finder or using a monitor.When a hold member 27 rotates on a shaft counterclockwise in the set operation, pressing parts 29a and 29b of a pressing member 29 which is ...  
JP2011191386
To provide an optical apparatus in which driving speed of a diaphragm in a stage of preparing for photography of a moving image is made higher than driving speed of the diaphragm in the midst of recording a moving image.The optical appar...  
JP2011186390
To provide a heat-resistant light shielding film which is used for a shutter blade or an aperture blade for use in a digital camera, a digital video camera, a projector, etc., and is used for a fixed aperture for use in a mobile phone wi...  
JP2011180204
To provide a compact light quantity adjusting device capable of smoothly moving a light quantity adjusting member.The light quantity adjusting device includes: a bar-like driving member 32 arranged along a surface 37a, where an aperture ...  
JP2011180213
To provide a focal plane shutter for a digital camera which excels in both of durability and cost performance and has constitution in which a set member and a restraining member are interlocked with each other.A first front blade driving...  
JP2011175281
To provide an imaging apparatus capable of performing the correction of an object distance or autofocusing for an object quickly and exactly irrespective of brightness and darkness of photographing circumstances, and to provide a program...  
JP2011175290
To achieve thin-sizing in an optical axis direction, regarding a light quantity adjusting device and an imaging apparatus.A second separator 93, having a transmission hole 93a and positioned opposite to a cover plate 91 across a first se...  
JP2011175207
To provide a light quantity adjusting device preventing engagement of cam grooves of adjacent light quantity adjusting blades with each other, allowing highly precise light quantity adjustment.The light quantity adjusting device includes...  
JP2011172168
To provide an imaging apparatus and imaging method in which the shutter can be clicked only by touching it without applying any force, camera shake can be prevented from occurring in photographing a subject, and the shutter can be preven...  
JP2011170226
To provide a blade driving device in which the bounding of a blade is suppressed, and to provide optical equipment.The blade driving device 1 is equipped with: a substrate 10 having an aperture 11; the blade 21b moving between a position...  
JP2011170228
To provide a focal plane shutter and optical equipment, in which shavings are inhibited from being caused.The focal plane shutter 1 is equipped with: a substrate 10; a blade 21b; a driving arm 32b having an engaging hole 34b and coupled ...  
JP2011170391
To prevent deterioration in pictures caused by reflected light and transmission light in the ridge lines of edges in an optical element composed of diaphragm blades and a ND (neutral density) filter.The opening edge 16a of a diaphragm bl...  
JP2011170227
To provide a focal plane shutter maintaining posture of an iron piece to be constant, and also to provide optical equipment.The focal plane shutter 1 has: an electromagnet 70B; a substrate 10 which has an opening 11; blades 21b to 24b wh...  
JP2011164331
To increase the frame speed, when obtaining still images of a plurality of frames, in a consecutive photographc mode.A shutter includes a first opening/closing operation for obtaining a still image, by performing opening/closing operatio...  
JP2011164284
To provide an optical element unit, preventing increase in number of parts and assembling man-hour in a manufacturing process and restraining increase in cost.This optical element unit includes: at least one optical element; a lens barre...  
JP2011166445
To provide an image pickup device which can suppress unevenness of exposure caused by a positional shift of an imaging element when exposed with a combination of an electronic anterior curtain shutter and a mechanical posterior curtain s...  
JP2011164226
To properly control exposure while shortening the time required for driving a diaphragm.Stop positions of a driving means are decided so that a target aperture value is set when a diaphragm is driven in a direction of opening the apertur...  
JP2011164506
To provide a light quantity adjusting device allowing implementation of the size reduction and high-speed shutter operation.In the light quantity adjusting device which serves both as an exposure adjustment function and a shutter functio...  
JP2011164614
To facilitate a procedure for a camera to use a parameter of a P-iris lens, in a calibration method for the camera with the P-iris lens having an adjustable iris opening.The calibration includes a step for adjusting a size of the iris op...  
JP2011158890
To provide a focal plane shutter device capable of performing slit exposure photography using a front curtain and a rear curtain, and also capable of reducing a load of a drive source at the time of charging the front curtain and the rea...  
JP2011158553
To miniaturize a camera module with a camera shake correction function, which is incorporated in portable equipment and incorporates a mechanical shutter.A lens unit 50, in which a photographic optical system 60 is incorporated in a lens...  
JP2011154056
To obtain a zoom lens barrel which is configured such that a lens shutter positioned on an optical axis is fixed in a moving frame that supports a lens group, and a moving frame and a lens shutter are integrally moved when zooming, and f...  
JP2011154085
To obtain an aperture stop device that has a pair of stop blades having a turning center hole and an opening/closing cam hole, and an opening/closing shaft having an opening/closing pin inserted in the opening/closing cam holes of the pa...  
JP2011149974
To prevent dust from adhering to a photodetector, and also prevent dust from floating on an optical path.A baffle 30 for basic imaging which prevents stray light from entering a CCD is arranged inside a case. The baffle 30 for basic imag...  
JP2011151590
To miniaturize a drive mechanism of an optical filter in a direction perpendicular to an optical axis.The optical filter device has: the optical filter 708; and filter actuators 709, 710, 712 which move the optical filter in the directio...  
JP2011150075
To obtain an optical member which is used to form an aperture or disposed, in an aperture of an imaging optical system and which prevents degradation of the image quality caused by reflected lights at an edge.In a cut cross-section of a ...  

Matches 651 - 700 out of 8,475