Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 701 - 750 out of 18,553

Document Document Title
JP5264302B2  
JP2013152325A
To obtain a zoom lens barrel capable of precisely determining the direction of an optical axis for a moving diaphragm in the direction of the optical axis when zooming.A first spring member 36 and a second spring member 37 for applying s...  
JP2013152369A
To improve characteristics such as shading in a diaphragm device that adjusts a diaphragm using a pair of diaphragm blades.The diaphragm device comprises: a pair of diaphragm blades 3 and 4 that are movably provided on a diaphragm substr...  
JP2013152411A
To provide an imaging apparatus in which a sheet of flexible printed board is folded to dispose, on the identical face, mounting faces for mounting operation switches at respective upper face side and rear face side of an apparatus body,...  
JP5256613B2  
JP2013148653A
To accurately drive a diaphragm to a targeted diaphragm position.A lens microcomputer 23 controlling a stepping motor 25 gives a coil 253 of the stepping motor a periodic driving signal including an initial signal moving a magnet rotor 2...  
JP2013148747A
To provide an optical quantity controller that can prevent the amount of light at an opening from being lost by the opening and closing operation of a shutter blade when an optical quantity adjust member is opened and closed.An arm membe...  
JP2013148169A
To provide a rotary driving device equipped with a bearing device, capable of suitably pressurizing two ball bearings with a small number of members.In a rotary driving device 1 for the pressurization of a first ball bearing 81 and a sec...  
JP2013148614A
To provide a camera system in which drive time of a diaphragm device is shortened when taking a still image while shooting a moving image.A camera system comprises: an optical system which has a diaphragm with a variable aperture amount;...  
JP2013148631A
To provide a diaphragm device which simplifies a mechanism and reduces backlash, and stabilizes operation.A diaphragm device which controls operation of a diaphragm blade by decelerating normal/reverse rotation of a step motor by a gear ...  
JP5252115B2  
JP5251399B2  
JP5251361B2  
JP5253903B2  
JP2013145361A
To provide a focal-plane shutter and an optical device which prevent variation in exposure time.A focal-plane shutter includes: a substrate having an aperture; a front curtain and a rear curtain which open and close the aperture; a rear ...  
JP2013140303A
To provide a diaphragm mechanism in which an opening diameter of an aperture blade can be maintained while reducing consumption power.A diaphragm mechanism (10) for an imaging device includes: a plurality of aperture blades (16); a drivi...  
JP2013137505A
To eliminate the adverse effect of a click mechanical section if required for a purpose, such as the recording (sound collecting) quality improvement of a video camera function and avoid troubles such as operation mistakes due to the dif...  
JP2013137369A
To provide a blade driving device for a camera, the device being increased in blade driving force using a permanent magnetic rotor, by devising the way of winding a coil used to excite a yoke of special shape and being suitable to reduce...  
JP5230111B2  
JP5230154B2  
JP5230173B2  
JP2013130648A
To provide an actuator that is able to adjust the rotational speed of a rotor without adjusting power supplied to a coil and is reduced in size, and to provide a focal plane shutter with the actuator, and an optical instrument with the f...  
JP2013130652A
To provide a focal plane shutter which prevents an opening from being closed by a front curtain and a rear curtain unintentionally with a simple structure, and to provide optical equipment.The focal plane shutter includes: a substrate ha...  
JP5228397B2  
JP5224885B2  
JP5224078B2  
JP2013127527A
To provide a light amount adjustment device capable of improving both high-speed driving performance and low-speed driving performance.A light amount adjustment device comprises: first and second motors that can be driven independently o...  
JP2013128158A
To provide an imaging apparatus which can correct a deviation of a target diaphragm value when the target diaphragm value is not matched with a diaphragm value corresponding to the number of steps.An imaging apparatus includes: a shutter...  
JP5220973B2  
JP5220382B2  
JP2013125232A
To provide a lens barrel achieving a reduction in the size by efficiently arranging a driving source for driving a lens and a driving source for driving a light quantity adjustment unit in the barrel.There is provided a lens barrel inclu...  
JP2013125170A
To provide an adaptor capable of making various types of optical systems appropriately function in a lens interchangeable camera system.The adaptor comprises: a first mount section that allows a camera body to be mounted; a second mount ...  
JP2013125112A
To provide a shutter control device capable of suppressing power consumption when the power residual quantity of a battery becomes small.A shutter control device 10 includes: a motor 12M for driving an electronic control type mechanical ...  
JP2013125192A
To provide a projection type image display device equipped with a variable diaphragm device 12 capable of controlling an absolute position at a low cost.A projection type image display device includes: optical modulation devices 2, 3, an...  
JP2013122552A
To suppress actuator driving noise in the audible band while reducing the circuit scale and power consumption.An actuator controller includes; an analog-to-digital conversion circuit which samples position detection signal, generated in ...  
JP2013122541A
To provide a focal plane shutter suppressing dispersion in travelling speed of a curtain and which can be located near component parts of an optical apparatus, and to provide an optical apparatus including the same.A focal plane shutter ...  
JP2013123248A
To select suitable shutter means in accordance with various types of accessories mounted to an electronic camera and the functions of the accessories.The electronic camera for imaging a subject comprises: imaging means for photoelectric ...  
JP5214319B2  
JP5217218B2  
JP5216034B2  
JP2013118452A
To shorten a release time lag when photographing a still picture by diaphragm drive, in such a configuration that a diaphragm is driven by using a 1-2 phase drive system stepping motor.An imaging system including an imaging apparatus and...  
JP2013117653A
To surely restrict an aperture diameter of a diaphragm according to a zoom position.A lens barrel includes: diaphragm blades 102, 104 varying the size of an aperture for a flux to pass through; a driving lever 108 for engaging with diaph...  
JP2013118474A
To provide an imaging apparatus capable of matching the timing of the reset operation of an imaging element with the traveling property of a mechanical shutter as much as possible by estimating the traveling property of the mechanical sh...  
JP5207798B2  
JP5208838B2  
JP5207580B2  
JP2013114138A
To provide a focal plane shutter for a camera, the shutter being designed so as to be reduced in height from the surface of a shutter bottom board.A support plate 6 is attached to the shutter bottom board 1 so that a plate surface is par...  
JP2013114030A
To provide a liquid crystal dimmer and a method of driving a liquid crystal dimming element that allow appropriate driving of the liquid crystal dimming element, and an image pickup unit that includes such a liquid crystal dimmer.A liqui...  
JP2013113996A
To provide a rotating plate drive device capable of adjusting the position of a rotating plate when the rotating plate is stopped due to a failure even when intrusion of foreign matter is prevented.In a rotating plate drive device 1, an ...  
JP2013109253A
To prevent a drive gear and a driven gear (reduction gear) from being damaged when being engaged each other.A diaphragm device includes a diaphragm substrate 2, diaphragm members 3 to form a diaphragm opening, an operation member 6 mount...  

Matches 701 - 750 out of 18,553