Separation type optical head
Accordingly, an object of the present invention is to provide a separation type optical head in which divergence of light due to tilting of the movable section is eliminated to reduce any offset of th... Read More
Inventors: Kamisada, Toshimasa;, Assignee: Hitachi, Ltd. (Tokyo, JP) |
Optical data storage tracking system
An optical data storage system comprises an optical data storage medium, an optical head and a fixed optical system. The optical head contains a first lens located along an optical axis for focussing ... Read More
Inventors: Rabedeau, Melbourne E.;, Assignee: International Business Machines Corporation (Armonk, NY) |
Color tuned holographic optical elements and methods of making and using the elements
The invention relates to a color tuned volume holographic optical element, comprising: a photohardened holographic recording film element comprising at least a first plurality of pixel volumes and a s... Read More
Inventors: Weber, Andrew M.;, Assignee: E. I. Du Pont de Nemours and Company (Wilmington, DE) |
Multidirectional optical scanner
1. Objects of the Invention It is a general object of this invention to overcome the drawbacks, and advance the state of the art, of optical scanners, particularly bar code symbol readers. It is anoth... Read More
Inventors: Metlitsky, Boris; Krichever, Mark J.;, Assignee: Symbol Technologies, Inc. (Bohemia, NY) |
Scanning device for symbol codes
The object of the invention is therefore to provide another and compact device for optically scanning symbol codes, said device being provided with simple and relatively inexpensive deflection means w... Read More
Inventors: Peng, Ke-Ou;, Assignee: Opticon Sensors Europe B.V. (Hoofddorp, NL) |
Scanning device
Therefore, it is an object of the present invention to provide a relatively simple scanning device that, while using rotating deflection means, can generate various multiple-directional scanning patte... Read More
Inventors: Peng, Ke-Ou;, Assignee: Opticon Sensors Europe B.V. (Hoofddorp, NL) |
Helical scanning pattern generator
It is a primary object of the present invention to provide a scanning apparatus able to provide at least segments of a helical scanning pattern, in which the pitch of the pattern may be varied, in ord... Read More
Inventors: Peng, Ke-Ou;, Assignee: Opticon Sensors Europe B.V. (Hoofddorp, NL) |
Ultra compact scanning system for a wide range of speeds, angles and field depth
It is an object of the present invention to provide an extremely compact non-contact scanning system with high immunity to external vibration, suitable for incorporation into wand or pen size informat... Read More
Inventors: Plesko, George A.;, Assignee: Geo Labs, Inc. (Media, PA) |
Method of adhering holograms to textile wearing apparel
What is claimed is: 1. A method for adhering articles to textile wearing apparel comprising the steps of: (a) laminating a precut article having an upper surface and a lower surface between a clear po... Read More
Inventors: Fry, David;, Assignee: Scharf; Max (St. Louis, MO) |
Demodulation technique for coherence multiplexed optical data transmission system
The present invention provides a coherence multiplexed optical data transmission system having a new demodulator that provides an increased data carrying capacity relative to prior coherence multiplex... Read More
Inventors: Coleman, Jeffrey O.;, Assignee: The Boeing Company (Seattle, WA) |
Optical information processor
The present invention has been developed to overcome the above-described disadvantages and is intended to provide a compact optical information processor wherein an optical system has a comparatively ... Read More
Inventors: Nishii, Kanji; Ito, Masami; Hukui, Atsushi;, Assignee: Matsushita Electric Industrial Co., Ltd. (Osaka, JP) |
Optical telecommunications system employing multiple phase-compensated optical signals
Accordingly, it is a primary object of the present invention to provide a new and improved optical telecommunication system. A more specific object of the present invention is to provide an optical te... Read More
Inventors: Davis, Charles M.; Ward, Marvin W.; Zarobila, Clarence J.;, Assignee: Optimux Systems Corporation (Centreville, VA) |
Interferometric switch
It is therefore an object of the present invention to provide an optical switch that overcomes the heretofore noted disadvantages of prior an switches. A further object is to provide a compact, low po... Read More
Inventors: Miller, William J.; Nolan, Daniel A.;, Assignee: Corning Incorporated (Corning, NY) |
Color image generation systems and applications
The primary object of the invention is to solve the problem of creating comparably small and simply constructed, as well as universally usable, color image generation systems for generating real or vi... Read More
Inventors: Rasch, Andreas; Rottschalk, Matthias; Ruske, Jens-Peter; Groeber, Volker;, Assignee: LDT Gmb&H Co. Laser-Display-Technologie KG (Gera, DE) |
DMD illumination coupler
FIG. 3 is a schematic drawing of an alternative embodiment of present invention. A DMD light coupler 300 comprises three prisms, a 45-45-90 degree prism 316, two 30-60-90 degree prisms 318 and 320, a... Read More
Inventors: McDonald, Mark;, Assignee: Siros Technologies, Inc. (San Jose, CA) |
Holographic display with switchable aspect ratio
A holographic display system of the present invention is operable to display an image with more than one aspect ratio. According to one embodiment of the present invention, the holographic display sys... Read More
Inventors: Preston, Alan R.;, Assignee: DigiLens, Inc. (Sunnyvale, CA) |
Scanner with non-linearity compensating pixel clock
This invention solves the problems outlined above by providing a scanner system that varies the pixel clock frequency in a way producing a segmented fit of the ideal frequency variation curve. The num... Read More
Inventors: Swanberg, Melvin E.;, Assignee: Olive Tree Technology, Inc. (San Marino, CA) |
Method of manufacturing a photomask comprising a phase shifter with a stepped edge
A method of manufacturing a photomask according to a first aspect of the invention comprises the steps of: preparing a transparent substrate which is pervious to light; selectively forming a light shi... Read More
Inventors: Miyazaki, Junji;, Assignee: Mitsubishi Denki Kabushiki Kaisha (Tokyo, JP) |
Method for determining rheumatoid factors and agents for carrying out the method
The invention claimed is: 1. A process for preparing a diagnostic reagent for Rheumatoid Factor which comprises the steps of: a) preparing soluble immune complexes having which an antigen portion and ... Read More
Inventors: Toth, Tibor;, Assignee: Behring Diagnotics GmbH (Marburg, DE) |
Reverse light blocking hologram for a center high mounted stoplight
OF THE DISCLOSURE In the following detailed description and in the several figures of the drawing, like elements are identified with like reference numerals. Referring now to FIG. 1, shown therein is... Read More
Inventors: Moss, Gaylord E.; Wreede, John E.; Yu, Kevin;, Assignee: Hughes Aircraft Company (Los Angeles, CA) |
Production of holograms
We claim: 1. A method of preparing a hologram which is of the silver halide in gelatin binder type which method comprises holographically exposing the holographic material by use of coherent light, de... Read More
Inventors: Ashford, Neil F.; Blum, Peter M.; Postle, Stephen R.; Hodgson, Alan;, Assignee: Ilford Limited (Cheshire, GB) |
Silver halide photographic material
OF THE INVENTION In the present invention, elution of an antifoggant from a silver halide emulsion layer into a developing solution at the time of development processing can be prevented by a first e... Read More
Inventors: Saitou, Mitsuo; Okamura, Hisashi; Ikeda, Tadashi;, Assignee: Fuji Photo Film Co., Ltd. (Kanagawa, JP) |
Methods and apparatus for making holograms
OF PREFERRED EXEMPLARY EMBODIMENTS In the context of the present invention, a volumetric data set corresponding to a three-dimensional physical system (e.g., a human body part) is encoded onto a sing... Read More
Inventors: Hart, Stephen J.;, Assignee: Voxel (Laguna Hills, CA) |
Wide image scanner
Accordingly, it is an object of the present invention to provide a wide image scanner which can read a large scale original using a regular-sized image reading device, thereby to reduce the implementa... Read More
Inventors: Tang, Ming-Chung; Lin, John;, Assignee: Mustek Systems, Inc. (TW) |
Holographic optical element for optical disk pickup head
OF THE PREFERRED EMBODIMENTS FIG. 1 illustrates a pickup head 20, showing selected components by schematic representation. Pickup head 20 includes laser diode 22 that is used to emit light for retrie... Read More
Inventors: Freeman, Mark O.;, Assignee: Opto-Electronics & Systems Laboratories (Chutung Hsinchu, TW) |
Scanning of images
It is therefore an object of the present invention to be able to scan all records simultaneously to provide a faster scanning system. It is a further object of the present invention to provide easier ... Read More
Inventors: Sharman, Richard A.;, Assignee: Eastman Kodak Company (Rochester, NY) |
Fax machine with retractable drawer
The invention may comprise a modular fax machine having a document feeder and a control panel mounted in a drawer. The drawer is mounted within a fax housing and may be extended to access the document... Read More
Inventors: Dow, James C.; Khovaylo, Modest;, Assignee: Hewlett-Packard Company (Palo Alto, CA) |
Transmissive holographic optical element on aberrating substrate
What is claimed is: 1. A method for using a transmissive holographic optical element comprising the steps of passing a first coherent wavefront through an aberrating substrate and a holographic record... Read More
Inventors: Bjorklund, Gary C.; Sincerbox, Glenn T.;, Assignee: International Business Machines Corporation (Armonk, NY) |
Image processing apparatus and image processing method for reproducing a color image from color signals having different phases
It is, therefore, an object of the present invention to provide an image processing apparatus, which can faithfully reproduce a color image even when a plurality of digitized output signals correspond... Read More
Inventors: Kanno, Hiroki; Yoneda, Hitoshi;, Assignee: Kabushiki Kaisha Toshiba (Kawasaki, JP) |
Method of preparing a hologram using readily available light sources
Therefore according to the present invention as a first step there is provided a method of preparing a color separation holographic master which can be used in the preparation of a colored hologram of... Read More
Inventors: Hopwood, Anthony I.;, Assignee: Ilford Limited (Cheshire, GB2) |
Optical Systems 
