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Patent Searching and Data


Matches 601 - 650 out of 8,516

Document Document Title
JP2012133102
To provide a smaller sized and less expensive lens barrel and hence imaging apparatus without using a dedicated actuator for diaphragm blades and provide an arrangement for avoiding variation in diameter of the diaphragm due to variation...  
JP2012133101
To provide a mechanism facilitating incorporation work when incorporating yokes or a coil bobbin incorporated with the yokes by preventing magnets from being attracted to the yokes by a magnetic force.The magnet drive device includes: ma...  
JP2012128457
To provide an aperture optical element for a camera, which is capable of continuously controlling the amount of light and is capable of focusing, and to provide a manufacturing method thereof.An aperture optical element 1b for a camera i...  
JP2012128459
To unlock an operation member locked by a locking member, without adding a new member.A shutter device includes: a blade member which opens/closes an exposure aperture formed in a shutter plate; an operation member which operates the bla...  
JP2012129640
To quickly determine whether or not a mechanical shutter hass closed within a prescribed time by controlling the mechanical shutter in a field reading mode without setting an image sensor to a frame reading mode and acquiring image data ...  
JP2012129588
To control a timing of a reset scanning of an electronic front curtain based on a movement amount of an image sensor corresponding to a detection result of vibration.An imaging apparatus 10 comprises: an image sensor 104 composed of a pl...  
JP2012128235
To achieve both stable movement control for an imager during moving image photographing and high support accuracy during still image photographing compatible.A moving mechanism for moving an imager 16 along the optical axis of an imaging...  
JP2012129627
To provide an imaging apparatus and an imaging apparatus control method capable of improving the quality of a blurred image.The imaging apparatus comprises: an interchangeable lens 2 comprising a diaphragm 23; an imaging device 101 which...  
JP2012129589
To provide an imaging apparatus and a shutter operation selection method, capable of avoiding a missing blurred image.The imaging apparatus comprises: an image sensor composed of a plurality of pixels; a first curtain to travel to block ...  
JP2012123415
To provide an aperture construction for a camera with reduced complexity and size.The invention relates in general to the field of digital cameras, especially small digital cameras. In particular, the invention relates to adjusting an ap...  
JP2012123037
To provide a light adjusting device capable of preventing breakage of an optical thin film formed on an optical lens, a lens or the like in the light adjusting device.A light adjusting device comprises: a first substrate and a second sub...  
JP2012123299
To provide a diaphragm device that permits shaping of the diaphragm opening in a near circle in a broader range of the diameter (size) of the diaphragm and can prevent a plurality of diaphragm vanes from thrusting up one another when the...  
JP2012124915
To improve convenience when confirming the depth of field.A camera system 100 includes an imaging optical system L, an imaging section 45, an image recording section 18, a reflection mirror 4, a mirror driving section 44, an aperture val...  
JP2012123110
To improve assemblability of a small-size and thin blade drive unit.This blade drive unit includes: a plurality of blades (105, 106, 107) connected to first and second drive pins of first and second rotors (103a, 103b) penetrating throug...  
JP2012119887
To correct a video signal attenuation (shade) of dust between a lens and an image pickup element.A solid-state image pickup device uses a lens equipped with a galvanometer based diaphragm. The lens is a telescopic zoom lens which has a b...  
JP2012120308
To reduce the number of components and to facilitate coil winding work.A coil bobbin 10 is configured by integrally including coil winding parts 101 and 102 for winding coils 21 and 22. Yokes 41 and 42 are mounted on the coil winding par...  
JP2012118346
To provide a shutter device constituting a conventional shutter cam gear and mirror cam gear of a single member and capable of performing necessary operations from a photographing standby state till finishing the photographing by rotatin...  
JP2012118344
To provide a shutter device dispensing with a conversion of a driving direction when disposing a driving source with making its output shaft parallel to a photographing optical axis, without enlarging the shutter device.A shutter bottom ...  
JP2012118345
To provide a shutter device dispensing with a conversion of a driving direction when disposing a driving source with making its output shaft parallel to a photographing optical axis.A shutter bottom board 1 is formed with a first shaft 1...  
JP2012118143
To provide a focal plane shutter suppressing dispersion in driving timings of a curtain, and to provide an optical apparatus including the same.This focal plane shutter includes: a board including an opening; a curtain capable of opening...  
JP2012113015
To solve such problems that, when directly looking a light source with high luminance by an optical system, the focused luminous flux is once focused near an aperture, the temperature of lightweight resin aperture blades increases to cau...  
JP2012113112
To solve the problem that an impact caused when a blade lever collides against a drive lever damages attraction surfaces of a yoke and an armature, and that attraction and separation performance degrades and operation accuracy of a shutt...  
JP2012113102
To provide a light quantity adjusting device having a little friction resistance applied between a substrate and blades, and a drive ring and the blades and being smoothly opened/closed at an accurate operation trajectory.When a first su...  
JP2012113111
To solve the problem that, when a roller is pivotally supported by a drive lever, a lubricant of the roller oozes into a shutter bottom board or the direction of gravity acting on the roller changes, and thereby the rotation speed of a b...  
JP2012113113
To solve the problem that a strong force acts on a lock portion between one end of the blade drive spring and a hole or a slit and thus the one end of the blade drive spring sinks into the hole or the slit when a blade drive spring is ch...  
JP2012112999
To provide a light quantity adjusting device, when a plurality of aperture blades for opening/closing an optical path opening are opened/closed by a drive ring, reducing a sliding friction between the blades and the ring, and providing a...  
JP2012114868
To provide a digital camera having release buttons for each photographer so as to manage image data easily by using information on each release button, so that the users do not need cumbersome works for managing the photographed images t...  
JP2012113114
To adjust a position where a shutter blade collides with a blade buffer member in consideration of production error and assembly error for sufficiently absorbing an impact with the blade buffer member.A hole 4h is formed at a position ec...  
JP2012113115
To solve such a problem that, even though mirror bound has already attenuated, an exposure operation cannot be started by an electronic shutter function till the bound of a blade group attenuates, and it takes a long time to start the ex...  
JP2012108380
To provide a light quantity adjusting device, when openably/closably covering an optical path opening with a plurality of blade members and adjusting a light quantity, capable of smoothly opening/closing the blades, accurately adjusting ...  
JP2012105240
To reduce a control load of an electronic shutter.It is determined whether exposure time is shorter than a prescribed threshold or not. When the exposure time is shorter than the threshold, an electronic shutter is made to start exposure...  
JP2012098355
To provide a focal-plane shutter for cameras including two shutter blades suited for reducing an interval between a shutter base plate and an intermediate plate and an interval between the intermediate plate and an auxiliary base plate.A...  
JP2012098322
To provide an imaging apparatus which can be reduced in size when a barrel device including a light control element is used.An imaging apparatus 1 includes a barrel device 2 which emits imaging light made incident on itself while bending...  
JP2012094984
To provide an imaging apparatus capable of performing a preferable panning photographing easily.The imaging apparatus comprises: an imaging device having a plurality of pixels; and an image processing part to generate an image based on a...  
JP2012093684
To provide a digital camera with which focus is automatically adjusted and a photo is automatically taken by simply pressing the shutter button halfway and blurring of images due to hand movement can be avoided.A digital camera has a fir...  
JP2012095077
To provide an optical device capable of suitably managing an adhesion state of an organic substance to an optical member by a photographer.An optical device includes: an optical member; a photocatalyst layer formed on a light incidence s...  
JP2012093618
To provide a compact and light-weight luminous energy adjusting device that is reduced in electric power consumption.A base plate that supports a plurality of diaphragm blades to be openable and closable is molded of a resin material int...  
JP2012088499
To provide a light-shielding member for optical instruments, whose light-shielding layer having sufficient blackness or sufficiently lowered glossiness while providing superior strength in a coating film.A light-shielding member 1 for op...  
JP2012088642
To improve insufficient light intensity when performing an electronic front curtain imaging after performing a shift movement in a case where a TS lens is mounted on an image pickup device including an electronic front curtain shutter.Th...  
JP2012088593
To provide a diaphragm device which is capable of obtaining an aperture approximating a circle without increasing the scale of the device.A diaphragm device 1 includes a first aperture blade 2 and a second aperture blade 3 which are move...  
JP2012078690
To provide a light intensity adjustment device which can be driven and controlled so as to shorten the release operation time by using s stepping motor.The light intensity adjustment device operates aperture blades 5 of which the movemen...  
JP2012078502
To provide a shutter mechanism for cameras having a compact constitution capable of smoothly driving shutter blades in a limited space.A shutter mechanism for cameras includes: a bottom board 10 including an opening 10a to be an optical ...  
JP2012078442
To provide a focal plane shutter for digital cameras which enables a photographing mode using an optical finder and another photographing mode using an electronic finder.In a set state for photographing by using an optical finder, a hold...  
JP2012078556
To provide a light quantity adjustment device configured such that resolution degradation caused by diffraction is reduced when a quantity of light is adjusted, at the same time, an ND filer and a diaphragm blade are stably operated, fur...  
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...  

Matches 601 - 650 out of 8,516