Corona charging apparatus
In achieving the above and related objects, the invention provides a corona charging device comprising a support structure defining a slot in which a sheathed elongate conductor is placed. Sides of th... Read More
Inventors: Cobb, Harold W.;, Assignee: Delphax Systems (Mississauga, CA) |
Substituted anthracene-type isotropic dyes for liquid crystal display devices
The isotropic dyes of this invention have the general formula: ##STR1## wherein W is selected from the group consisting of ##STR2## wherein: R is independently selected from the group consisting of H... Read More
Inventors: Huffman, William A.;, Assignee: Minnesota Mining and Manufacturing Company (St. Paul, MN) |
Corona charging apparatus
In achieving the above and related objects, the invention provides a corona charging device comprising an elongate conductor with a dielectric sheath, and an overlying conductive grid. The dielectric ... Read More
Inventors: Cobb, Harold W.; Fotland, Richard A.;, Assignee: Delphax Systems (Mississauga, CA) |
Electron beam addressed liquid crystal light valve
OF PREFERRED EMBODIMENTS Referring to FIG. 1, a modified form of an LCLV is shown which provides a high resolution display of an electron beam scan pattern. A CRT is represented as an electron beam g... Read More
Inventors: Grinberg, Jan; Koda, Nobuo J.; Reif, Phillip G.; Bleha, Jr., William P.; Welkowsky, Murray S.; Ledebuhr, Arno G.;, Assignee: Hughes Aircraft Company (Los Angeles, CA) |
Information writing method for an optical disc memory system utilizing a smectic chiral liquid crystal
It is therefore an object of the invention to provide an optical disc memory with liquid crystal. It is another object of the invention to provide an erasable and rewritable optical disc memory. It is... Read More
Inventors: Yamazaki, Shunpei;, Assignee: Semiconductor Energy Laboratory Co., Ltd. (Kanagawa, JP) |
Optical switches using ferroelectric liquid crystals
The invention comprises an optical switch wherein an input optical fiber directs light onto a first polarization means that polarizes the incoming light and directs it to a ferroelectric liquid crysta... Read More
Inventors: Soref, Richard A.;, Assignee: The United States of America as represented by the Secretary of the Air (Washington, DC) |
Stereoscopic projector
Accordingly, it is an object of the present invention to provide a stereoscopic projector for overcoming such problems encountered in the conventional projectors. Another object of the present inventi... Read More
Inventors: Lee, Dong H.;, Assignee: Goldstar Co., Ltd. (Seoul, KR) |
Autostereoscopic display having a high resolution 2D mode
It is thus possible to provide an autostereoscopic display having enhanced resolution in a 2D mode. Advantageously the display may simultaneously display a 3D image and a 2D image. This may be of grea... Read More
Inventors: Woodgate, Graham Johm; Ezra, David; Omar, Basil Arthur;, Assignee: Sharp Kabushiki Kaisha (Osaka, JP) |
N x N switch array with reduced components
Switch arrays are provided with controllable polarization modifiers and polarization-dependent diverters, such as one or more polarization beam splitters, for configuring switch arrays which can reduc... Read More
Inventors: Wu, Kuang-Yi; Liu, Jian-Yu;, Assignee: Chorum Technologies Inc. (Richardson, TX) |
Environmental magnetism compensating device and cathode-ray tube display device
According to a first aspect of the present invention, an environmental magnetism compensating device comprises: a magnetism sensor for detecting a vertical component of a magnetic environment in which... Read More
Inventors: Chujo, Takeshi;, Assignee: NEC-Mitsubishi Electric Visual Systems Corporation (Tokyo, JP) |
Laser scanner driving apparatus
A laser scanner driving apparatus according to the present invention, wherein a rectilinear displacement of a piezoelectric actuator rotates a lever against a reaction force of a reaction spring and t... Read More
Inventors: Ota, Kazuo;, Assignee: Kabushiki Kaisha Komatsu Seisakusho (Tokyo, JP) |
Polymer dispersed liquid crystal information recording medium with information recording layer comprising acrylic or methacrylic resin having molecular weight of 25,000 to 100,000 and information recording and reproducing method
What we claim is: 1. An information recording medium, comprising an information recording layer of acrylic resin or methacrylic resin being laminated on an electrode layer, a liquid crystal phase that... Read More
Inventors: Iijima, Masayuki; Nakayasu, Yuichi;, Assignee: Dia Nippon Printing Co., Ltd. (Tokyo, JP) |
Low driving voltage polymer dispersed liquid crystal display device with conductive nanoparticles
OF THE PREFERRED EMBODIMENT While the specification concludes with claims defining the features of the invention that are regarded as novel, it is believed that the invention will be better understoo... Read More
Inventors: Fredley, David S.; Pennisi, Robert W.;, Assignee: Motorola, Inc. (Schaumburg, IL) |
Multi-spot modulator using a laser diode
Referring now to FIG. 1, the preferred embodiment consists of a laser diode 1, a focussing lens 2 placed to project the magnified image of the laser diode emitting apperture onto an acousto-optic mod... Read More
Inventors: Gelbart, Daniel;, Assignee: Creo Electronics Corporation (Burnaby, CA) |
Optical systems and methods based upon temporal stretching, modulation and recompression of ultrashort pulses
OF THE INVENTION In accordance with the present invention pulse shaping of picosecond to femtosecond pulses is achieved by temporally dispersing (stretching) optical frequency pulses, modulating the ... Read More
Inventors: Heritage, Jonathan P.; Weiner, Andrew M.;, Assignee: Bell Communications Research, Inc. (Livingston, NJ) |
Optical multiplexer
The object of the present invention is to provide a communications system capable of operation at high data rates by exploitation of the available bandwidth in optical transmission links. The inventio... Read More
Inventors: Sutton, Philip; Shaw, Andrew P.; Dawber, William; Hirst, Peter F.; Condon, Brian;, Assignee: The Secretary of State for Defence in her Britannic Majesty's Government () |
Broad-band ultraviolet lens systems well-corrected for chromatic aberration
We claim: 1. A lens system comprising a first rigid lens element, a second rigid lens element and a liquid lens element, said liquid lens element being contained between said first and second rigid le... Read More
Inventors: Robb, Paul N.; Sigler, Robert D.;, Assignee: Lockheed Missiles & Space Company, Inc. (Sunnyvale, CA) |
Optical phase conjugator with spatially resolvable thresholding utilizing liquid crystal light valve
In view of the foregoing problems associated with the related art, it is a feature of the invention to implement a key element in an efficient all-optical associative memory. It is another feature of ... Read More
Inventors: Pepper, David M.;, Assignee: Hughes Aircraft Company (Los Angeles, CA) |
Flat bed scanning type image reader
The general object of the present invention is to solve the problems of the known apparatus as noted above. A specific object of the present invention is to provide an image reading apparatus of the f... Read More
Inventors: Kishida, Yoshihiro;, Assignee: Dainnippon Screen Mfg. Co., Ltd. (JP) |
High intensity light shut-down circuit for night vision goggle
In accordance with the present invention, an electrical circuit for night vision goggles is provided which substantially reduces or eliminates the shortcomings previously associated with prior night v... Read More
Inventors: Kastendieck, William A.; Lee, Darrell E.;, Assignee: Varo, Inc. (Garland, TX) |
Light level responsive control for light intensifier in night vision system
What is claimed is: 1. A night vision telescope, comprising: an electrically powered image intensifier; a source of electrical energy for operating said image intensifier; and a control circuit includ... Read More
Inventors: Meyers, Brad E.;, Assignee: |
Mirror with dazzle light attenuation zone
OF THE APPARATUS OF THE INVENTION FIG. 1 is a cross-sectional view of a multilayered liquid-crystal matrix-type reflection mirror 10 of the invention, together with a control circuit. Mirror 10 has a... Read More
Inventors: Black, Michael; Kupershmidt, Vladimir;, Assignee: Reliant Laser Corporation (Foster City, CA) |
Active matrix LCD device with image signal lines having a multilayered structure
The first object of the present invention is to provide a liquid-crystal display device and a manufacturing method therefor where the number of processes for manufacturing TFT substrates can be deceas... Read More
Inventors: Ono, Kikuo; Ogawa, Kazuhiro; Suzuki, Takashi; Anno, Kouichi; Sakuta, Hiroki; Tsumura, Makoto; Kitajima, Masaaki; Kawachi, Genshiro;, Assignee: Hitachi, Ltd. (Tokyo, JP) |
Catalyst for polyester production, process for producing polyester using the catalyst, polyester obtained by the process, and uses of the polyester
OF THE INVENTION The catalyst for polyester production according to the present invention, a process for producing a polyester using the catalyst, a polyester obtained by the process and uses of the ... Read More
Inventors: Ohmatsuzawa, Takeshi; Ehara, Fujito; Hori, Hideshi; Toyota, Kazuo; Fukutani, Kenzaburou; Imuta, Junichi; Shimizu, Akivoshi; Onogi, Takayuki; Noda, Seiji; Sakai, Masayuki; Hiraoka, Shoji; Nakamachi, Koji; Tsugawa, Michio; Miyazoe, Satoru;, Assignee: Mitsui Chemicals, Inc. (Tokyo, JP) |
Image enhancement method and apparatus
Referring now to FIG. 1 in one embodiment arranged for edge enhancement and size discrimination the subject invention includes a two barrel imaging system diagramatically illustrated by optical eleme... Read More
Inventors: Schwartz, Jacob;, Assignee: Sanders Associates, Inc. (South Nashua, NH) |
LWIR sensor system with improved clutter rejection
A principal object of the present invention is to provide a radiant imaging system which is capable of distinguishing point source targets from background, illumination and near-field particle clutter... Read More
Inventors: Woods, Weightstill W.;, Assignee: The Boeing Company (Seattle, WA) |
Optical system
With this background of the invention in mind it is therefore an object of this invention to provide an improved optical system having a focusing system adapted to gimbal with respect to a plurality o... Read More
Inventors: Klaus, Jr., Benjamin; MacKenzie, Gordon C.; Beckerleg, Richard A.;, Assignee: Raytheon Company (Lexington, MA) |
Method of compensating scattered characteristics of outputs of an infrared detector of multiple-element type
It is a general object of the invention, therefore, to provide a simple and accurate method for compensating scattered characteristics of infrared temperature detecting elements without requiring a pa... Read More
Inventors: Hanafusa, Tsutomu; Shiraishi, Kikuo;, Assignee: Fujitsu Limited () |
Radiometer with correction device
In accordance with the present invention, a radiometer mounted on a flying body for observing radiations or reflections of visible rays or infrared rays from the land or the sea comprises optical mean... Read More
Inventors: Ogikubo, Kazuhiro;, Assignee: NEC Corporation (Tokyo, JP) |
Optoelectronic multibit beamsteering switching apparatus
In order to meet the above objectives, present invention comprises optoelectronic switching apparatus that is adapted for use in multibit beamsteering applications. The optoelectronic switching appara... Read More
Inventors: Newberg, Irwin L.; Lind, Richard C.; Tangonan, Gregory L.; Yen, Huan W.; Ng, Willie W.; Lee, Jar J.; Walston, Andrew A.; Wechsberg, Michael;, Assignee: Hughes Aircraft Company (Los Angeles, CA) |
LCD 
