Class 396/495 - Shutter blade moves continuously from closed to open to closed position

Subclass of Class 396 - Photography
Definition: Subject matter comprising means for moving a blade with
No. of patents: 26
Last issue date: 02/26/2008

Browse patents
Browse applications

Number	Title	Issue Date
7336307	Camera having accumulation operation in the period between the time of fully opening a leading shutter and the time of starting of a trailing shutter Disclosed is a camera including: an image-taking device; a shutter unit having a first shutter member that travels from a position where a shutter opening is closed to a position which is retreated from the opening, and a second shutter member that travels from the ...	02/26/2008
7156565	Driver for opening and closing dual-blade shutter adapted to be reset without re-opening shutter In a camera, a dual-blade shutter has a pair of shutter blades supported for opening and closing movement to uncover and re-cover an exposure aperture, and a shutter driver that projects into respective overlapping slots in the shutter blades and is supported for sh...	01/02/2007
7149420	Auto-focusing lens with progressive variable focal element An improved method and module for auto focusing utilizes a variable thickness focus element. A different thickness, and thus a different focus, is optically coupled to an image sensor by rotating the focus element. Movement along the optic axis is not required. This...	12/12/2006
6935793	Manufacturing method of light shielding blade material A light shielding blade material is provided for an optical apparatus and has at least three prepreg sheets each being comprised of an epoxy resin of a thermosetting type as a matrix resin and containing a fiber drawn in an alignment direction within the matrix resi...	08/30/2005
6867932	Iris type light quantity adjusting device, lens device, and image-taking apparatus An iris type light quantity adjusting device is disclosed that includes: a plurality of shading blades, each shading blade pivoting around each shaft provided around a fixed opening in a fixed member. At least one shading blade has...	03/15/2005
6850351	Method and apparatus for ultra-fast aperture exposure An apparatus and method for extremely fast opening and closing of an exposure path or optical axis. Two disk-shaped shutters are coaxially rotated in opposite directions at an initial synchronous speed so as to dynamically align openings in the discs at an angular p...	02/01/2005
6786657	Camera frame assembly having independently back-pivoting drive hub for impact shutter A camera frame assembly has a base member and a drive hub connected to the base member. A shutter is joined to the drive hub. A shutter driver is mounted to the base member. The shutter driver selectively deflects from a charged state to a discharged state and impac...	09/07/2004
6466380	Iris diaphragm An iris diaphragm, in particular for an exposure lens in semiconductor lithography, is provided with a diaphragm base (2) and a grooved ring (1) which can be rotated relative to one another, having a multiplicity of leaves (4) which in each case are mount...	10/15/2002
6113286	Dual-pivot shutter device A shutter device comprises a single piece having a blade portion that includes an impact receiving member which when impacted in an opening direction with a shutter actuator moves the blade portion to uncover an aperture, a first resilient portion bendabl...	09/05/2000
6086268	Actuating striker for opening shutter blade retracted to permit shutter closing and/or re-cocking of striker A shutter mechanism comprising a shutter blade supported to move open and closed, a shutter actuator having an actuating striker and supported for movement to cause the actuating striker to strike the shutter blade to move the shutter blade open and for m...	07/11/2000
5602610	Shutter for camera When a driving member is rotated counterclockwise by a single motor with a pair of sectors biased in the closing direction by a biasing spring, a first driving pin causes an operating lever to rotate clockwise. The pair of sectors pivot in opposite direct...	02/11/1997
5598244	Camera mechanism displacement means A camera is provided with means for effecting cyclic displacement of a mechanical system, such as a mirror mechanism (1) or shutter mechanism, between two end positions. The means include spring means (3) for biasing the system towards a neutral position ...	01/28/1997
5532787	Photographic printing shutter A photographic printing shutter includes a pair of semicircular shutter bodies for cutting off printing light or allowing it to pass, at least one pair of rotatable shafts disposed substantially parallel to the axis of the printing light with the axis the...	07/02/1996
5313239	Shutter apparatus for stereoscopic cameras A shutter apparatus for stereoscopic cameras for simultaneously taking a pair of stereoscopic photographs. A coupled shutter leaf is produced by integrally connecting two shutter leaves respectively disposed on two photographing lens portions provided wit...	05/17/1994
5084719	Lens-fitted photographic film package A lens-fitted photographic film package has a talking lens, a shutter and a film advancing mechanism incorporated therein and is loaded with film. The taking lens is disposed at the upper side of a casing of the film package and a first mirror is disposed...	01/28/1992
4942415	Shutter for a photogrammetric camera The invention is directed to a shutter wherein the rotary discs thereof are accelerated out of a standstill start position for each exposure operation and are again brought to standstill at the end of the exposure operation. The start position is computed...	07/17/1990
4769660	Pin-hole type camera The invention relates to a pin-hole type camera in which the camera casing is divided into a plurality of light-tight sections, each of which is provided with a pin-hole, a shutter mechanism, a shutter release and flash means for exposing in random order ...	09/06/1988
4760415	Film advance device for surveillance cameras A sequence camera for recording a series of images on a strip of photographic film employing a rotating shutter and an intermittant film advance mechanism. A motor drives the shutter and the film advance mechanism. The film advance mechanism utilizes a be...	07/26/1988
4669841	Rotary shutter A rotary shutter adapted to be used in an electronic still camera comprises a rotatable shutter having shutter openings which are variable in size. The shutter is rotated by an electric motor in order to open and close intermittently an exposure aperture ...	06/02/1987
4360258	Lens shutter mechanism for camera A lens shutter mechanism for camera includes a shutter opening/closing lever which opens or closes a shutter blade or blades. The lever is pivotally mounted on a movable shaft which is fixedly mounted on a shutter close lever. At the same time as an elect...	11/23/1982
4350428	Shutter mechanism A shutter is rotatably mounted within a housing for opening and closing a shutter aperture formed in the housing. The shutter is coupled to a drive unit for unidirectionally rotating the shutter with the same velocity profile to open and close the shutter...	09/21/1982
4046464	Exposure control system and a motion picture camera using the same An automatic exposure control system for controlling the diaphragm of a motion picture camera in accordance with the object brightness level photoelectrically determined from the amount of light passing through the diaphragm is provided with a manually sw...	09/06/1977
3982256	Rotary shutter blade mechanism for cameras Rotary shutter blade mechanism includes at least a shutter blade which rotates always in one direction. The driving energy of the shutter blade is recovered by a driving spring in the course of deceleration of the blade. An auxiliary actuating means is ad...	09/21/1976
3971053	Electromagnetic trigger device for use with camera capable of automatic time exposure An electromagnetic trigger device for use with camera capable of automatic time exposure, comprises: a power supply; a motor; a trigger switch; shutter driving means driven by said motor for driving a shutter and movable between a fully closed position an...	07/20/1976
3964080	Electromagnetic trigger device in a camera capable of effecting time photography In an electromagnetic trigger device in a camera capable of effecting time photography, and having a trigger switch, a power source and a motor for driving a shutter driving mechanism, there is provided a restraining lever movable between a restraining po...	06/15/1976
3953871	Precision light exposure timing and shutter mechanism for a wide range of exposure durations A mechanism which can be utilized to drive a rotating sector disc type light shutter with a high degree of precision, so as to control light exposures that are made through a stationary aperture. Unlike the prior art, this inventive mechanism can be used ...	04/27/1976

PatentStorm

Bizarre Patents

PatentStorm News

Class 396/495 - Shutter blade moves continuously from closed to open to closed position