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Patent Searching and Data


Matches 251 - 300 out of 18,529

Document Document Title
WO/2004/055578A1
A dimming device by liquid crystal elements which does not require a polarizer and an alignment film, is compact and high in contrast ratio, can be driven at a low application voltage, and can deliver a stable performance despite a chang...  
WO/2004/046782A1
A lens driver and an imaging apparatus in which shift of the focus from an object due to variation in the position of a quantity-of-light-adjusting filter can be avoided by controlling the position of a focus lens depending on the positi...  
WO/2004/038501A1
An image taking apparatus not giving adverse affect to an image, being easy to assemble, having less number of parts, and having excellent shock resistance, and a lens apparatus used for the image-taking apparatus are provided. A lens ap...  
WO/2004/027459A2
An imaging system comprising a lens, a detector array (e.g., focal plane array), a signal processing module and a shutter, wherein the shutter is positioned in front of the lens (between the lens and the scene being imaged). This front l...  
WO/2004/028135A2
An image capture device (10) is provided including more compact components to enable the fabrication of more compact image capture devices. In one particular embodiment, a compact shutter mechanism (394, 395, 397) is provided that requir...  
WO/2004/012005A1
A damping system for an electromagnetically operable shutter (10) includes a detent (40) for arresting the motion of a pivotally supported shutter actuating drive arm (24). The detent (40) has damper portions (68A and 68B) that are fixed...  
WO/2003/098921A1
A portable telephone comprising a CCD camera (8) for photographing an object, a sub-LCD (9), a memory (not shown) for storing information required for photographing, and a control means (not shown) for controlling the sub-LCD (9) to disp...  
WO/2003/096108A1
A light controller and an imaging apparatus having an enhanced optical function. The light controller comprises a liquid crystal element and a polarizing plate disposed in front of an optical low-pass filter (55b) in the optical path of ...  
WO/2003/077024A1
The invention relates to a method and a device for detecting the opening angle of the shutter (light or dark sector) of an adjustable rotating shutter (1) arranged in a film camera. Said shutter comprises a circular-segment-shaped or cir...  
WO/2003/052499A1
A liquid crystal luminous quantity adjuster for optimizing the effective power of an acceleration drive pulse to improve the response characteristics of a light transmittance, method for driving this device, and camera comprising this de...  
WO/2003/038520A2
A camera comprises a camera body with a lens and shutter operating control and film cartridge removable from the camera body having an unexposed film spool region and an exposed film spool region and a bridging portion between those regi...  
WO/2002/063382A1
A liquid crystal shutter, wherein three shutter rows respectively corresponding to red, green and blue are formed on one liquid crystal shutter substrate, each shutter row is formed by sandwiching liquid crystal by at least one transpare...  
WO/2002/043227A1
An electromagnetic actuator applied to a shutter device for camera, comprising a rotatable disk-shaped rotor (10) magnetized in polarities different from each other and having an output part (10b), a first yoke (40) having a first magnet...  
WO/2002/012956A1
A video camera (10) comprises an imaging device (16). The imaging device (16) generates an image signal corresponding to the optical image formed on a light-receving surface. A monitor (34) displays a moving picture formed from the gener...  
WO/2001/098827A1
A simplified camera mechanism and method for allowing an operator to select distinct ones of several apertures by actuation of a finger engageable aperture selector (42) as well as insure return of the selector to an initial mode positio...  
WO/2001/089067A1
An electromagnetic actuator for driving the shutter of a camera, comprising a rotor (10) magnetized to the north and south poles and first magnetic pole parts (21, 31) and second magnetic pole parts (22, 32) disposed on the outer periphe...  
WO/2001/082591A1
The invention relates to a device for an optoelectronic instrument, in general a camera, which permits the multiplication of the number of pixels of the surface sensor (9) of said camera. The image focal plane of the instrument consists ...  
WO/2001/082592A1
The invention relates to a digital camera or digital video camera comprising a circular objective, a sensor (5) for acquiring and digitising image information and means for storing the digitised image information, in which all of the ima...  
WO/2001/069314A2
The camera of the invention includes an improved shutter system that has the same shutter waveform when a flash is employer and when a flash is not employed. In a preferred embodiment, the shutter system includes a shutter that is rotata...  
WO/2001/037040A2
A system and method are provided for exposing an imaging medium. The method uses a focal plane shutter system (100) with two reversible motors controlled by a servo control processor. A belt connects the motors. One end of the belt is at...  
WO/2001/004699A1
A shutter assembly (130), mounted in a motion film projector (100), that includes a shutter (120) secured to a mounting bracket (240), which houses a pair of trucks (244). The mounting bracket (240) slidably houses one of the trucks (244...  
WO/2001/004700A1
The invention concerns a disposable photographic camera, comprising an opaque camera body means for with a shutter release button (32), an inner mount (36) with manual and intermittent unwinding a photographic film from a reel (44) and m...  
WO/2000/039915A1
An electrostatic actuator and drive configuration device for use in a system requiring a long term ON state operation. The device includes a first electrostatic actuator positioned to operate in the system requiring the long term ON stat...  
WO/2000/028375A1
The invention has a plurality of embodiments in which an image modifier (20) is located at either the film plane or gate (18) or an intermediate focussing plane of the camera (10). In one embodiment, the modifier may be moved to two posi...  
WO/1999/064911A1
An electro-optic device is disclosed which has a plurality of independently-gatable portions. One example is an image intensifier having a number of segmented photocathode areas (GP). The corresponding portions of the intensifier can be ...  
WO/1999/040483A1
A camera (10) having a strobe circuit including a strobe, a shutter mechanism, actuating assembly (18) including a finger portion engageable by a user's finger to operate the actuating assembly and a shield movable (20) between a first b...  
WO/1999/009453A2
A method and apparatus are disclosed whereby generally matched exposures for at least first and second photoresponsive materials (14, 16) generally concurrently can be obtained, wherein the first photoresponsive material (14) is more pho...  
WO/1998/035268A1
A camera is provided with an electromagnetic means for generating the desired mechanical movement for effecting cyclic displacement of a mechanical system, such as a mirror mechanism, shutter mechanism, etc., between two end positions. T...  
WO/1997/024641A2
A simplified trigger (334), shutter (172) and film advance system such as for use in a camera. In a preferred embodiment the system is mounted in a housing (264) and includes a trigger (334) with a trigger button for pressing by the oper...  
WO/1997/021142A1
Described herein is a shutter mechanism (10) suitable for use in a single-use camera. The mechanism (10) comprises a mounting plate (12, 120) and a shutter member (14, 140) mounted thereon. Shutter member (14, 140) comprises a spring (14...  
WO/1997/021145A1
Image-recording technology records images displayed on a screen (42) onto an image sheet (32). An image-recording assembly (20) has an image sheet (32) and an associated opaque shield (24). The shield (24) is slidable to expose the image...  
WO/1997/013179A1
As for a camera, a method for driving an electronic shutter of a camera, comprising the stages of setting an initial focus of a rotating member connected with a focus control lens in a state where the focus control lens is pre-set in a m...  
WO/1997/005423A1
Apparatus for modifying a beam of light, comprising at least one set of blades moveable across the beam, wherein each set of blades is arranged into a first subset of blades and a second subset of blades, and wherein the respective subse...  
WO/1996/002018A1
An electromagnetically actuatable central shutter for photographic camera essentially has shutter blades arranged in a common plane which can be pivoted from an initial position in which they close, overlapping one another, about pins pe...  
WO/1994/029767A1
A simplified trigger (34), shutter (72) and film advance system such as for use in a camera. In a preferred embodiment the system is mounted in a housing (10 and 22) and includes a trigger (34) with a trigger button (38) for pressing by ...  
WO/1993/025935A1
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...  
WO/1992/012455A1
A multipurpose interface circuit through which the control current for operating an electromagnetically driven shutter actuator (12) for a still camera may be precisely defined throughout a shutter actuation sequence (open, hold and clos...  
WO/1992/012454A1
A camera (14) has a shutter (42) that is reciprocally movable by a motor (54) that is in positive engagement with the shutter (42). The motor (54) provides harmonic motion to the shutter (42) between its open and closed positions. A seco...  
WO/1991/001018A1
A method and apparatus for providing high definition cinema pictures involves the use of a plurality of filters, each capable of transmitting light in a different wavelength band, to form a plurality of superimposed image components on t...  
WO/1990/012694A1
A laminate containing an image is produced by printing the image (12) on a layer (11) of a high temperature glue which has been applied to a layer of a transparent medium (10). The image is printed on the glue layer using carbon or a car...  
WO/1990/009618A1
Device (16) for controlling and regulating the illumination and feed speed of a motion picture film in a motion picture camera whose film feed motor (26) is connected to a rotational speed controller (23) and has a rotary shutter which i...  
WO/1990/008975A1
An adjustable rotary shutter for a movie camera comprises a rotary shutter (2) and a shutter-adjusting wing (4) which can be adjusted coaxially with respect to said shutter and which is connected via a gear with an adjusting motor (3) co...  
WO/1990/004198A1
A plurality of aperture blades (24) are each provided with an opening (30) having a V-shaped edge (32), such that when the blades (24) are superimposed they cooperate to define a six-sided aperture. The blades (24) are each mounted for r...  
WO/1989/010580A1
An electromagnetically operated shutter assembly for a camera includes permanent magnets (22) which are affixed to shutter blades (16). An electro-magnetic field is generated by a number of armatures (20) which interact with the permanen...  
WO/1989/001183A1
The device comprises two electrical conductors (1, 2) which extend perpendicullar to the direction of movement of a sheet (3) near the free end of the sheet, which can be unrolled and rolled up on a substrate (5). Permanent magnets (4, 5...  
WO/1989/001217A1
The device comprises a substrate (3) on which are placed a series of electrodes (1, 2) connected to a high-voltage source (6). Another electrode (8) is formed by a coating deposited on an insulating sheet (7) which is normally rolled. Ap...  
WO/1988/003665A1
A shutter for use as a high-speed shutter in a camera or an electronic device. The shutter (10) comprises a planar aperture blade (12) which is mounted for reciprocative movement. The aperture blade (12) includes a coil (21) which is par...  
WO/1987/002479A1
In an electromagnetic actuator of the type having a planar coil armature (10) mounted for movement in a magnetic field by a plurality of flexure springs (24), the flexure springs (24) lie in the plane of the planar armature (10).  
WO/1983/004348A1
An electromagnetic actuator of the type having a thin armature (22) positioned for movement in a thin magnetic gap is less affected by frictional drag if the armature (22) is sufficiently pliant to contact the means (14, 18) forming the ...  
WO/1983/002337A1
The laminae for optical shutters of cameras, lenses or the like are obtained from a sheet made by galvanoplasty, for example a nickel sheet. Thereby, subsequent working operations such as hammering, riveting may be carried out on the who...  

Matches 251 - 300 out of 18,529