Wide-frame electro-optic device
It is an object of the present invention to provide an electro-optic device having a wide display frame. It is another object of the present invention to provide an electro-optic device having a wide ... Read More
Inventors: Yamazaki, Shunpei;, Assignee: Semiconductor Energy Laboratory Co., Ltd. (Kanagawa, JP) |
Electro-optic light shutter and frame assembly with integrated switching mechanism
The present invention overcomes the above-mentioned shortcomings associated with existing light shutters used for eye protection. The various objects, features, aspects and advantages of the present i... Read More
Inventors: Fergason, Jeffrey K.; Fergason, John D.;, Assignee: OSD Envizion Company (Menlo Park, CA) |
Light wave distance meter
It is therefore an object of this invention to provide a light wave distance meter wherein noise can be reduced sufficiently. To achieve the aforesaid object, this invention is characterized in that a... Read More
Inventors: Shibuya, Hiroto; Kitagata, Kouichi;, Assignee: Kabushiki Kaisha Topcon (Tokyo, JP) |
Non-interfering method for measuring propagation delay of telecommunications network and apparatus for accomplishing same
It is therefore an object of the invention to provide a method for determining the propagation delay between devices communicating over a transmission line without interrupting the communication. In a... Read More
Inventors: Payne, Nicholas W. P.; Mistry, Kiran K.;, Assignee: General DataComm, Inc. (Middlebury, CT) |
Apparatus for connecting multiple passive stars in a fiber optic network
In accordance with a preferred embodiment of the present invention, apparatus for use in a fiber optic network which includes first an second passive stars and means providing a bidirectional signal t... Read More
Inventors: Viola, Jeffrey P.; Sergi, Joseph B.;, Assignee: General Electric Company (Camden, NJ) |
Method of and apparatus for recording a halftone dot color image on a color photosensitive material
According to a first aspect of the present invention, a method of recording a halftone dot color image on a color photosensitive material comprises the steps of preparing a color photosensitive materi... Read More
Inventors: Inagaki, Yukihiko; Masuda, Yoshikazu; Sasada, Shigeru; Katsuyama, Mikizo; Tanaka, Hirohisa;, Assignee: Dainippon Screen Mfg. Co., Ltd. (JP) |
Color digital halftoning with vector error diffusion
We claim: 1. A method of producing a halftone digital color image having pixels representing values in an output color space from a continuous tone color digital image having pixels representing conti... Read More
Inventors: Sullivan, James R.; Miller, Rodney L.; Wetzel, Thomas J.;, Assignee: Eastman Kodak Company (Rochester, NY) |
Method of and apparatus for generating halftone image with compensation for different dot gain characteristics
An object of the present invention is accordingly to compensate dot gain characteristics of different dots types. The present invention is directed to a method of generating a halftone image from an i... Read More
Inventors: Shiomi, Junichi; Sakamoto, Takashi;, Assignee: Dainippon Screen Mfg. Co., Ltd. (Kyoto, JP) |
***WITHDRAWN PATENT AS PER THE LATEST USPTO WITHDRAWN LIST*** *** NO IMAGES AVAILABLE***
Description:... Read More
Inventors: , Assignee: |
Laser beam oscillating apparatus
The laser beam oscillating apparatus, which overcomes the above-discussed and numerous other disadvantages and deficiencies of the prior art, comprises a plurality of semiconductor laser beam oscillat... Read More
Inventors: Yoshida, Toshihiko; Watanabe, Masanori; Yamamoto, Osamu;, Assignee: Sharp Kabushiki Kaisha (JP) |
Optical communication system employing coherent detection and method
In view of the above, the present invention provides for an optical communication system and method which allows high density wavelength division multiplexed communications of modulated carriers on an... Read More
Inventors: McMahon, Donald H.;, Assignee: Polaroid Corporation (Cambridge, MA) |
Laser providing stable femtosecond pulses
To this end the present invention provides, in combination: an auxiliary mode-locked synchronous pumping laser; a main laser cavity, including a dye amplifier assembly pumped by the auxiliary laser to... Read More
Inventors: Chesnoy, Jose; Fini, Lorenzo;, Assignee: Centre National de la Recherche Scientifique (FR) |
Light valve with twisted perpendicular liquid crystal with a negative dielectric anisotropy
In carrying out principles of the present invention in accordance with a preferred embodiment thereof, a liquid crystal device includes a liquid crystal cell having first and second alignment layers h... Read More
Inventors: TeKolste, Robert D.; Sterling, Rodney D.;, Assignee: Hughes Aircraft Company (Los Angeles, CA) |
Fiber-optic cable system and method for dispersion compensation at nodes between end points
OF THE INVENTION In FIG. 1, optical path 10 has a length of 322 Km and begins at site 1 12 from transmit station 14. From transmit station 14, optical fiber amplifier 16 transmits optical energy alon... Read More
Inventors: Dugan, John M.;, Assignee: Alcatel Network Systems, Inc. (Richardson, TX) |
Low stress mounting of integrated optic chips
We claim: 1. Apparatus for enclosing an integrated optical IO device having an optical signal path fabricated in a crystalline chip of a thickness and crystallographic orientation selected to provide ... Read More
Inventors: Fournier, Joseph T.; Swarts, Richard E.; Lopiccolo, Mario T.;, Assignee: United Technologies Corporation (Hartford, CT) |
Bi-directional optical communications subscriber transmission system using a single wavelength
In consideration of the above-described problems, an object of the present invention is to achieve bi-directional communications using a single wavelength, thereby achieving a system that is simple an... Read More
Inventors: Ichikawa, Akihiko;, Assignee: Fujitsu LImited (Kawasaki, JP) |
Optical switching device having recirculating structure and optical switching method therefor
An object of the present invention is to provide an optical switching network having a recirculating structure and an optical switching method therefor, for use in broadband service. Another object of... Read More
Inventors: Kang, Woo-Shik; Zhang, Er-Ping;, Assignee: Samsung Electronics Co., Ltd. (Suwon, KR) |
Colorimeter
We claim: 1. A colorimeter for continuously measuring concentration of an ionic species in an aqueous solution, said colorimeter comprising: (a) a source of optical radiation; (b) a plurality of flow ... Read More
Inventors: Luce, Robert S.; Quinn, Ross A.; Rowley, Leroy S.;, Assignee: Lockheed Missiles & Space Company, Inc. (Sunnyvale, CA) |
Method and apparatus for achieving two-way long range communication over an optical fiber
It is an object of the present invention to provide interchangeable talk sets that can communicate with full duplex capability over a single optical fiber. It is a further object of the present invent... Read More
Inventors: Hastings, Mark W.;, Assignee: Industrial Technology, Inc. (Mineral Wells, TX) |
Communications method and network with frequency allocation
To this end, the present invention provides, in particular, a communications method with frequency allocation in which a marking wave is supplied to all of the terminals, thereby marking an emission f... Read More
Inventors: Audouin, Olivier; Gabriagues, Jean-Michael; Sotom, Michel;, Assignee: Alcatel N.V. (Amsterdam, NL) |
Data acquisition and storage system for telecommunication equipment to facilitate alignment and realignment of the telecommunications equipment
It is therefore an object of the present invention to provide an apparatus and a method for automating in the field the alignment and realignment of telecommunications equipment. It is another object ... Read More
Inventors: Zimmerman, Dennis A.;, Assignee: ComSonics, Inc. (Harrisonburg, VA) |
Radio apparatus adapted to remove image components from local oscillating signals
OF THE INVENTION According to the radio apparatus shown in FIG. 1, an antenna 11 is coupled to an RF switch (TX/RX switch) 12 for switching the reception and transmission systems of the radio apparat... Read More
Inventors: Otaka, Shoji;, Assignee: Kabushiki Kaisha Toshiba (Kawasaki, JP) |
Digital data communication system featuring multi level asynchronous duplex operation
Accordingly, it is a broad object of the present invention to provide improved means and methods for transmitting and receiving a plurality of digital data signals on a single transmission line. Anoth... Read More
Inventors: Nelson, Robert D.;, Assignee: Burroughs Corporation (Detroit, MI) |
Optical frequency division multiplexing transmission system
Conventional systems in which the local frequency is controlled in such a manner as to maintain a predetermined intermediate frequency pose the problem that a failure to apply an optical signal to an ... Read More
Inventors: Tsushima, Hideaki; Sasaki, Shinya; Kuboki, Katsuhiko;, Assignee: Hitachi, Ltd. (Tokyo, JP) |
Synchronization apparatus for an optical communications network
The apparatus includes the following elements: A signal input 52 connected to an optical fiber and for receiving an optical-type carrier wave. The carrier wave carries signals to be transmitted, e.g.... Read More
Inventors: Masetti, Francesco;, Assignee: Alcatel N.V. (Amsterdam, NL) |
Composition and method for improved ink jet printing performance
OF THE INVENTION It has unexpectedly been discovered that ink jet print quality on a surface sized paper or other surface treated substrate can be enhanced if the substrate surface is treated with an... Read More
Inventors: Varnell, Daniel F.;, Assignee: Hercules Incorporated (Wilmington, DE) |
Method of producing biaxially oriented tubular polyetheretherketone films
OF THE INVENTION The crystallinity of a crystalline film varies significantly depending on the rate of cooling following melt extrusion and it is known that a higher cooling rate affords a lower crys... Read More
Inventors: Kondo, Kazuo; Maruyama, Satoshi;, Assignee: Okura Industrial Co., Ltd. (Marugame, JP) |
Metal-film laminate resistant to delamination
OF THE INVENTION We have found a novel metal-film laminate structure exhibiting a substantial increase in peel strength between metal and film polymer surface when compared to prior art metal-film la... Read More
Inventors: Swisher, Richard L.;, Assignee: Sheldahl, Inc. (Northfield, MN) |
High density ceramic BGA package and method for making same
The following invention related to solving the BGA joint reliability problem provides a solution that does not have the disadvantages mentioned above, gives the ability to use the high density aspects... Read More
Inventors: Vodrahalli, Nagesh K.;, Assignee: Hickman; Paul L. (Los Altos, CA) |
Semiconductor device and semiconductor module
According to a first aspect of the present invention, a semiconductor device comprises first and second switching semiconductor elements which are connected in series with each other, first and second... Read More
Inventors: Majumdar, Gourab; Mori, Satoshi; Noda, Sukehisa; Iwagami, Tooru; Takagi, Yoshio; Kawafuji, Hisashi;, Assignee: Mitsubishi Denki Kabushiki Kaisha (Tokyo, JP) |
Optical Systems 
