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JP2013156600A |
To solve such a problem that in a lens unit including a shift mechanism, a tilt mechanism, a revolving mechanism, and a tilt revolving mechanism, not all mechanisms can automatically detect their respective movement amounts, so that when...
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JP5263022B2 |
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JP5265298B2 |
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JP5264302B2 |
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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...
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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...
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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,...
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JP5256613B2 |
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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...
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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...
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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...
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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;...
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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 ...
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JP5252115B2 |
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JP5251399B2 |
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JP5251361B2 |
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JP5253903B2 |
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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 ...
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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...
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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...
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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...
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JP5230111B2 |
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JP5230154B2 |
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JP5230173B2 |
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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...
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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...
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JP5228397B2 |
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JP5224885B2 |
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JP5224078B2 |
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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...
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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...
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JP5220973B2 |
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JP5220382B2 |
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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...
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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 ...
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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 ...
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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...
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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 ...
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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 ...
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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 ...
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JP5214319B2 |
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JP5217218B2 |
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JP5216034B2 |
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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...
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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...
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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...
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JP5207798B2 |
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JP5208838B2 |
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JP5207580B2 |
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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...
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