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Patent Searching and Data


Matches 801 - 850 out of 8,414

Document Document Title
JP2010091776
To provide an imaging apparatus capable of accurately capturing a perfect moment on film by shortening time required from instructing photography until starting photography.In a digital single-lens reflex camera including a mirror and a ...  
JP2010091619
To provide a shutter device which prevents unevenness of exposure from occurring, and a photographing device on which the shutter device is mounted.The shutter device includes: light shields 42 and 44 movable between a position where the...  
JP2010085752
To provide a camera blade driver that an electromagnetic actuator having approximately U-shaped yoke drives at least one of the blades back and forth and that its design flexibility can be maintained even when making it thin and using a ...  
JP2010085774
To provide a light quantity controller which is constituted of a small number of parts, is easily assembled, satisfactorily rocks a light shielding blade, is made low in height in an optical axis direction, and improves efficiency of an ...  
JP2010085436
To provide a blade driving device for camera which can be easily attached to a bottom board and can be made compact by integrally molding two bobbin parts of electromagnetic actuators onto one stator frame.A rotor 3 rotating a shutter bl...  
JP2010085442
To improve starting property and holding force or the like of a rotor included in an electromagnetic actuator.The electromagnetic actuator includes: a rotor 100 having a magnetized rotor part 102 demarcating a cylindrical outer periphera...  
JP2010085775
To provide a light quantity controller which includes a small number of parts, is easily assembled, satisfactorily rocks a light shielding blade, is made low in height in an optical axis direction, and improves efficiency of an electrome...  
JP2010085772
To provide an exposure control device which can be miniaturized.The exposure control device includes a ground plate 1 having an aperture part 1a for subject light path, a shutter mechanism 2 for opening/closing shutter blades 2a and 2b f...  
JP2010085753
To provide a diaphragm device that suppresses the increase in the load on a motor, even if a diaphragm drive ring that is reciprocatively driven by the motor rotates a plurality of diaphragm blades in the same direction at the same time,...  
JP2010085751
To provide a blade drive device for a camera which causes an electromagnetic actuator having a substantially U-shaped yoke to reciprocate at least one blade, wherein reduction in thickness of the device and small plane shape of a base pl...  
JP2010085437
To provide a blade driving device for a camera having a narrower space between a bottom board and a cover plate when unitizing a shutter device with at least one of a diaphragm device and a filter device.A shutter blade 12 is arranged in...  
JP2010085908
To prevent an optical filter such as a UVIR cut filter from being deformed even when receiving an influence of heat generated around a solid imaging device.The UVIR cut filter 21 is attached by inserting fixing pins 23 provided on a diap...  
JP2010085897
To provide a lens barrel for reducing transmission of sound generated from a diaphragm unit to other members.The lens barrel (100) includes a holding frame (2) fixed on a lens barrel body (1) and the diaphragm unit (3) for controlling a ...  
JP2010079143
To provide a shutter device which has satisfactory travel characteristics of a shutter blade.The shutter device includes a blade opening/closing member 8 which opens and closes the shutter blade for exposure control, an electromagnetic d...  
JP2010079097
To accelerate the operation speed in returning an interface shape between a first liquid and a second liquid to initial static state in an optical element using electro-wetting phenomenon.The optical element includes a first liquid havin...  
JP2010079271
To prevent generation of a smear in a camera module including a lens drive section and a moving magnet type mechanical shutter which are driven by electromagnetic force.The camera module 1 includes the moving magnet type mechanical shutt...  
JP2010078754
To provide a diaphragm device which achieves miniaturization in layout of a drive system including a stepping motor while interposing a reduction gear mechanism between the stepping motor and a turning lever for driving a diaphragm blade...  
JP2010078804
To provide a diaphragm device with reduced operation sound of a diaphragm blade, and a lens barrel of a camera.The diaphragm device 4 includes: a plurality of diaphragm blades 20 regulating an aperture through which incident subject ligh...  
JP2010078956
To provide a diaphragm device and a lens barrel, for reducing an operating noise of aperture blades.The diaphragm device 4 includes: a plurality of aperture blades 30 disposed overlapping one another in a prescribed direction so as to de...  
JP2010079096
To provide an optical element using an electrowetting phenomenon, in which decentering of an aperture part is suppressed with more simple and easy configuration.The optical element includes: a non-polar or insulating first liquid; and a ...  
JP2010072583
To achieve speeding-up of a diaphragm aperture opening/closing operation without causing upsizing of a device and an increase in power consumption.A bearing mechanism 120 includes: a rear lens barrel 101a including a holding part that ho...  
JP2010072077
To provide a focal-plane shutter capable of suppressing the occurrence of the blade shut caused by changes with the passage of time.A leading blade driving lever 4 and a trailing blade driving lever 5 are turnably attached to a leading b...  
JP2010072062
To relieve magnetic interference between actuators in an optical device.The optical device is constituted of: vibrationproof lenses L3 shiftable on an optical axis AXL of an optical system; a movable lens L4 movable along the optical axi...  
JP2010066308
To make flare or ghost caused by a flaw of an optical filter inconspicuous without using a special device and circuit even when there exists the flaw long in length in the optical filter.By arranging a longitudinal direction of the flaw ...  
JP2010068240
To provide a system, or the like for testing shutter running characteristics that facilitates checking normal or abnormal conditions in running characteristics of a mechanical focal plane shutter without arranging any special members, or...  
JP2010061067
To provide a camera in which wrong contacts and malfunctions of a release button are prevented.The camera includes: a first release button (21), which includes an operation part (21d) at one end thereof and an action part (21c) at the ot...  
JP2010061058
To provide a camera capable of securing the time for photometry and range-finding, while increasing a picture frame speed for photographing.The camera is configured such that the drive start timing of a charge motor 9 is decided by consi...  
JP2010061008
To obtain an optical filter free from the occurrence of wrinkle and small in the scattering of light even at low density.The optical filter is formed by alternately laminating an Al2O3 layer 41a of a reflection preventive layer to lower ...  
JP2010060675
To provide a technique capable of reducing the size of an imaging device which can perform composition both by live-view and an optical finder while avoiding drop of light quantity in the optical finder.The imaging device 1 includes a fi...  
JP2010054843
To provide an image pickup apparatus in the image pickup optical system of which a diaphragm mechanism is improved, so that the generation of a flare or a ghost can be prevented and a dynamic range can be enlarged.The image pickup appara...  
JP2010057282
To provide a drive method and a drive system of a step motor, which obtain precise delivery precision even if exciting current is turned off after driving.In the drive method in the device where a driven element is driven in terms of mic...  
JP2010054982
To provide a light quantity controller having a compact structure, which uses an electromechanical transducer as a drive source, is easy to assemble because the number of parts is small, capable of properly rocking a light-shielding blad...  
JP2010054579
To provide a camera capable of controlling only a front curtain or only a rear curtain independently.A front curtain charge cam 121, a rear curtain charge cam 122, a mirror drive cam 151 and an aperture control lever drive cam 152 are at...  
JP2010054610
To provide a low-cost and highly durable diaphragm device for a projector which uses common two diaphragm members rotated, like double doors, in opposite directions simultaneously by electromagnetic actuators.The diaphragm member 16 is r...  
JP2010054996
To provide a filter device for a camera capable of preventing a filter plate attached to a filter blade from being damaged, although the filter device is provided with the filter blade and a balance blade which are simultaneously rotated...  
JP2010049136
To provide an inexpensive light quantity regulator which suppresses the occurrence of static electricity, and is excellent in operability.The light quantity regulator incldues: a main plate A provided with an exposed opening; a light qua...  
JP2010049135
To provide a light quantity adjusting device for adjusting exposure corresponding to high image quality and further maintaining compactness of the device, and to provide an image capturing apparatus mounted with the light quantity adjust...  
JP2010049138
To provide an ND filter easy to make and superior in image quality performance, and to provide a method of molding the ND filter, and an imaging light quantity adjusting device.The ND filter is formed with: a light absorption metal produ...  
JP2010045712
To obtain a driving device that initializes a movable portion according to a received shock and speedily performs consumption of a battery and all initialization processes.In a step S306, a CPU calculates an X-axial velocity, Y-axial vel...  
JP2010044325
To provide a driver of an optical instrument, that can simply assemble the driving elements connected with wiring, and also provide a lens barrel and an imaging device.Move of the shutter drive element 76 is regulated by forming a sway s...  
JP2010044315
To provide a driving device capable of efficiently driving a movable part.In step S307, a determination is made whether the angular velocity of a digital camera is lower than a first oscillation value or not. If it is lower than the firs...  
JP2010044173
To suppress an increase of thickness of a shutter device regarding a shutter device and an imaging apparatus including the shutter device.A focal plane shutter 100 includes: a baseplate 110 on which a shutter aperture 112 is formed; a fr...  
JP2010044129
To provide a curtain speed adjusting mechanism for a focal plane shutter that accurately and reliably adjusts curtain speed of a shutter and inexpensively maintains miniaturization of the shutter, and to provide a focal plane shutter inc...  
JP2010039078
To provide a diaphragm device for a projector excellent in durability, which is constituted so that two electromagnetic actuators rotate two diaphragm members made of metal to open outward like hinged double doors by output pins made of ...  
JP2010038991
To provide an aperture device for a projector having excellent durability, in which two aperture members are suitably turned in double door fashion by two electromagnetic actuators which are so arranged that the turning shafts of rotors ...  
JP2010039066
To provide a microscope having a zooming mechanism and moving an aperture diaphragm in the direction of an optical axis when zooming.This microscope 1 has variable power optical systems 10a, 10b for changing a magnification ratio for obs...  
JP2010039030
To prevent an unstable operation due to an influence or an interference between optical elements in a light adjusting apparatus having a plurality of optical elements.The light adjusting apparatus comprises a substrate having an aperture...  
JP2010039077
To provide a diaphragm device for a projector constituted so that two electromagnetic actuators arranged in a state where rotary shafts of rotors are parallel with each other rotate two diaphragm members to open outward like hinged doubl...  
JP2010041510
To prevent blurred images in a shutter scanning direction from lacking resulting from a state of a lens, an imaging element and the state of a mechanical rear curtain in a shutter mechanism which utilizes both an electronic front curtain...  
JP2010034818
To provide a shutter apparatus saving energy when achieving both of a state wherein a spring is overcharged and a trailing curtain is present at an open position and a state wherein the spring is overcharged and the trailing curtain is p...  

Matches 801 - 850 out of 8,414