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Patent No. 5307162

Cloaking System Using Optoelectronically Controlled Camouflage

A Cloaking System designed to operate in the visible light spectrum, utilizes optoelectronics and/or photonic components to conceal an object within it.

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Class 396/489 - Having drive detail


Subclass of Class 396 - Photography
Definition: Subject matter including specific structure of the means
No. of patents: 40
Last issue date: 03/01/2011


NumberTitleIssue Date
7896561Focal plane shutter
A focal plane shutter includes: a shutter substrate having an opening; a blade for opening and closing the opening; a drive member swingably supported for driving the blade; a drive spring for driving the drive member; and an adjustment mechanism for adjusting an ur...
03/01/2011
7762732Light quantity control device
A light quantity control device includes: a bottom board having an opening; a first blade, a supporting blade and a second blade linearly moving in opposing directions and controlling light quantity passing through the opening; and a driving lever connected to the s...
07/27/2010
7461984Single-lens reflex camera
In a single-lens reflex camera, the rotation center of a lever used for driving a shutter device is arranged rearward of a shutter device with respect to an optical axis, and the lever end (point of action) is arranged in front of the shutter device with respect to ...
12/09/2008
7431517Focal plane shutter for cameras
A first drive member which rotates with a rotor includes a first cam portion and a second cam portion, and a second drive member which connects a drive pin with a shutter blade includes a first cam portion and a second cam portion. A circular hole of the link member...
10/07/2008
7316514Light controller and image pickup device including the same
A light controller includes a substrate that has an optical path opening; at least a pair of blades that is reciprocally supported on the substrate and opens and closes the optical path opening; and a driver unit that drives the opening and closing of the pair of bl...
01/08/2008
7178998Focal plane shutter for digital still cameras
A drive member attached to the output shaft of a DC motor placed on a shutter base board includes a drive pin connected to the arm of a shutter blade within a blade chamber for driving the shutter blade to open and close an exposure opening with the reciprocal rotat...
02/20/2007
7168865Preventing shutter-rebound in camera
A normally closed shutter in a camera has at least one blade that is moved to open and close the shutter. A movable blade-driver in the camera has a supporting connection with a fixed support to support the blade-driver for movement, and has a driving connection wit...
01/30/2007
7140790Sector drive assembly for camera
A sector drive assembly for a camera which can open and close an aperture has a sector drive unit having an actuator, a drive force transmitting mechanism, and a sector position detecting unit that are removably mounted as a unit to a support plate, and a sector uni...
11/28/2006
7104708Sector drive unit for camera
A sector drive unit for a camera includes sectors capable of opening and closing an aperture provided on a base plate. A first actuator drives the sectors to open and close the aperture, and a drive force transmitting mechanism transmits a driving force of the first...
09/12/2006
7070343Sector drive assembly for camera
A sector drive assembly for a camera with reduced power consumption has a base plate having an aperture, one or more sectors capable of opening and closing the aperture, an electromagnetic actuator for driving the sectors, a drive force transmitting mechanism for tr...
07/04/2006
6880988Actuator
An actuator is constructed so that the rotor is rotated within the range of a preset angle in a direction corresponding to the direction of current supply to the stator coil. The rotor includes a column-shaped permanent magnet having surfaces perpendicular to a cent...
04/19/2005
6835007Driving apparatus, shutter apparatus and camera
A driving apparatus having a small charging load, capable of reducing the size of the appratus is disclosed. A present invention discloses a driving apparatus comprises a driving source, a driven member, an energizing member which energizes the driven member in a pr...
12/28/2004
6835009Shutter apparatus
Disclosed are shutter apparatus provided with a shutter base plate having a shutter aperture, a first arm member which rotates around a center of rotation at a first axis, relative to the shutter base plate, a second arm member which rotates around a center of rotat...
12/28/2004
6796728Focal plane shutter
A focal plane shutter includes a base plate having an aperture; an electromagnetic actuator including a rotor rotatably supported on the base plate and having a magnetized part and an output part, a yoke disposed around the rotor, and a magnetizing coil wound onto t...
09/28/2004
6783287Focal-plane shutter for digital camera
When the main power of a camera is turned on, a set member (14) is rotated from an initial position to a set position by an operation member (15) on the camera side and once stops at a midway position. At this time, a second blade group (19) ret...
08/31/2004
6726379Camera focal plane shutter
A camera focal plane shutter according to the invention comprises a shutter blade for opening and closing an exposure aperture to carry out an exposure operation; an electromagnetic actuator for directly driving the shutter blade, and a positioning means for positio...
04/27/2004
6637955Shutter device
A shutter device includes a shutter base plate having a shutter aperture, a plurality of shutter blades, and an arm member arranged to swing on a predetermined shaft provided on the shutter base plate. The arm member is connected to each of the plurality ...
10/28/2003
6572283Camera drive device
A planar space required for installing a camera drive device is reduced. Provided are a rotor magnetized in a radial direction, a pair of stator magnetic pole plates radially opposed to the rotor, yokes formed by extension portions extending radially of t...
06/03/2003
6536962Focal-plane shutter for digital still cameras
A focal-plane shutter for digital still cameras includes a first blade covering an exposure aperture only immediately before an exposure operation is performed; a driving member for the first blade having an iron piece member, actuated in an exposure oper...
03/25/2003
6485200Double-shielding type focal-plane shutter
A double-shielding type focal-plane shutter has a closing blade and an opening blade for closing and opening a shutter opening to perform an exposure operation. A closing lever and an opening lever drive the closing blade and the opening blade, respective...
11/26/2002
6425698Camera shutter with plural blades
A camera shutter has a set of opening shutter blades and a set of closing shutter blades. A shutter driver mechanism alternately displaces the opening and closing shutter blades to a first position wherein the blades are fanned-out and cover a shutter ope...
07/30/2002
6071019Shutter device
In a shutter device having a first driving lever which engages a shutter blade and which is given an urging force by a first spring and a second driving lever which is given an urging force by a second spring and which pushes the first driving lever from ...
06/06/2000
5984537Method and apparatus for preventing the deviation of a focal plane shutter blade
An apparatus and a method for preventing the deviation of a focal plane shutter are disclosed. The apparatus has a back cover switch, a control unit and a shutter driver. The apparatus and method prevents the deviation of the focal plane shutter blade by ...
11/16/1999
5749014Shutter device
A shutter device comprises a shutter blade which operates according to an exposure operation, a first blade driving spring for giving an urging force working in a predetermined direction to the shutter blade substantially over an entire operating range of...
05/05/1998
5678106Driver for piezoelectric actuator and shutter control device utilizing piezoelectric device
A driving device for a piezoelectric actuator, in which a voltage is applied to a piezoelectric actuator to generate a mechanical deformation therein, thus actuating a mechanical system. In an aspect, the piezoelectric actuator is at first given a voltage...
10/14/1997
5489960Focal plane shutter device for a camera
A focal plane shutter device is provided in which when a rear shutter diaphragm travels in a first direction to retract from a photographing image plane from a state where the rear shutter diaphragm and a front shutter diaphragm shade the photographing im...
02/06/1996
5181057Lens-fitted photographic film package
A film package comprises an exposure frame member having a first rectangular opening disposed directly before the film for defining an exposed area of the film. A light-shielding member having a second rectangular opening for allowing only necessary expos...
01/19/1993
5172152Focal plane shutter
A focal plane shutter includes a reversing lever mounted on a shaft disposed on a driving lever for opening and closing a blade group constituting the focal plane shutter so that a relative rotation range of the reversing lever with respect to the driving...
12/15/1992
4977421Double light blocking shutter
A shutter having leading and trailing blade groups with an operating mechanism comprising a first drive member for the leading blade group, a second drive member for the trailing blade group, an energizing member movably supported to push the second drive...
12/11/1990
4737808Blade type shutter
A blade type shutter adapted for use in photographic cameras and so forth comprising: a front curtain assembly having at least one front blade arranged to travel in linked relationship with two front curtain arms; and a rear curtain assembly having at lea...
04/12/1988
4540260Shutter mechanism of a camera
A shutter of a camera having an opening member for opening a shutter aperture and a closing member for closing the aperture. The focal plane shutter shields the aperture from light by both the opening member and the closing member immediately after termin...
09/10/1985
4447142Blade type focal plane shutter
A blade type focal plane shutter wherein an exposure aperture is made to be always covered with a front blade group and rear blade group in a mirror-down state by operatively connecting a quick return mirror and a blade opening and closing controlling mec...
05/08/1984
4306788Electromagnetically controlled shutter
An electromagnetic actuating device for controlling the opening and closing operation of a shutter includes a plurality of plate-like permanent magnets and yokes alternating in layers to form a plurality of magnetic paths, and a moving coil arranged to be...
12/22/1981
4160592Cameras
The lamellar focal-plane shutter for monocular mirror reflex cameras comprises a swivelling viewfinder mirror and shutter blades returning automatically to their starting positions after each exposure operation. The intrinsically stationary end of an open...
07/10/1979
4145132Opening and closing device of a camera shutter mechanism
A camera shutter mechanism including a shutter opening member mounted for pivoting about a first axis between a closed position corresponding to a closed shutter and an open position corresponding to an open shutter, and a shutter closing member mounted f...
03/20/1979
4114174Shutter opening and closing mechanism for cameras
A shutter operating mechanism of a camera shutter which has an opening blade and a closing blade operated sequentially to open and close a shutter aperture for an exposure comprises an opening spring normally biasing the opening blade to move from a close...
09/12/1978
4096505Focal plane shutter for cameras
A camera shutter mechanism for opening and closing a shutter aperture to effect an exposure comprises a group of opening blades movable, when released, from a closed position covering the shutter aperture to an open position uncovering the shutter apertur...
06/20/1978
4081810Opening and closing device for camera shutter
In a camera having an aperture and a shutter of the type having opening blades and closing blades operable sequentially to make an exposure, an opening member for actuating the opening blades is releasably coupled to a driving member which is spring biase...
03/28/1978
4054891Driving device for a camera shutter
In a focal plane camera shutter of the type having opening blades and closing blades which are actuated sequentially to provide an exposure, the opening blades are operated by an operating member which is biased in a direction to move the blades to apertu...
10/18/1977
3984853Focal-plane shutter structure for photographic camera
The described invention relates to a focal-plane shutter for a photographic camera. This shutter is a slide system having a plurality of parts which move in timed sequence during exposure. The parts include a plurality of sliders which are displaceable re...
10/05/1976
 
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