Low solar background, high sensitivity active atomic resonance filter for underwater laser communications
The present invention is based on several principles. 1. There are several narrow gaps within the otherwise continuous solar spectrum. Those gaps are known as Fraunhofer lines and they occur througho... Read More
Inventors: Gelbwachs, Jerry A.;, Assignee: The Aerospace Corporation (El Segundo, CA) |
Eye violation detectors
The foregoing problem in the prior art has been solved in accordance with the present invention which relates to eye violation detectors which provide either graded or half-graded eye violation region... Read More
Inventors: Fitch, Theodore A.; Steinberger, Michael L.;, Assignee: AT&T Bell Laboratories (Murray Hill, NJ) |
Method of monitoring machining load using variable alarm threshold
It is an object of the present invention to provide a machining load-monitoring method which is free of the foregoing problems and reduces misinterpretations that would otherwise be caused by variatio... Read More
Inventors: Tanaka, Kunio; Onishi, Yasushi; Sato, Koji;, Assignee: Fanuc Ltd (Minamitsuru, JP) |
Method and device for signal analysis, process identification and monitoring of a technical process
Task of the Invention The task of the invention is to avoid the instability of the estimated values (predictors) in the monitoring variable y in (1), without being limited to exclusively linear depend... Read More
Inventors: Baleanu, Michael-Alin;, Assignee: |
Method and system for delayed registration of protocols
The present invention provides a method and system for delaying registration of a protocol for communicating between a client process and a server process on a computer system until requested by the c... Read More
Inventors: Goertzel, Mario C.; Hill, Richard D.; Mitchell, Alexander A.; Shah, Bharat;, Assignee: Microsoft Corporation (Redmond, WA) |
Audio frequency power amplifier with improved circuit topology
The present invention is an audio frequency power amplifier input circuit. The circuit employs a split load phase inverter to provide outputs of equal voltage but opposite phase at its output terminal... Read More
Inventors: Modafferi, Richard;, Assignee: Modafferi Acoustical Systems, Ltd. (Baldwin, NY) |
Data processor with multiple register blocks
It is an object of the present invention to provide a data processing apparatus which can reduce the overhead without using an extremely large number of registers. This object is accomplished through ... Read More
Inventors: Tanaka, Koichi;, Assignee: Kabushiki Kaisha Toshiba (Kawasaki, JP) |
Length measuring device
The present invention has been made in consideration of the above situation and has as its object to provide a length measuring device which does not require a special measuring circuit, is less expen... Read More
Inventors: Shimizu, Giichiro; Okuyama, Toshiharu; Wakatsuki, Yoshio;, Assignee: Man Design Co., Ltd. (Tokyo, JP) |
Simulation method for modifiable simulation model
An object of the present invention is to eliminate a waste of time for a retrace of a simulation process from a start point thereof in the case where a simulation model is modified. According to the p... Read More
Inventors: Maeda, Kazuhiko; Shimoyashiro, Sadao;, Assignee: Hitachi, Ltd. (Tokyo, JP) |
Vector data retrieval apparatus
It is an object of the present invention to provide a vector data retrieval apparatus which can greatly reduce the processing time required for retrieval and provides a good environment to allow an ea... Read More
Inventors: Nakamura, Toshihiko;, Assignee: NEC Corporation (Tokyo, JP) |
Electronically-controlled fuel injection system for internal combustion engine having odd numbers of cylinders
With a view to obviate the problems above described, it is a primary object of the present invention to provide a novel and improved electronically-controlled fuel injection system for an internal com... Read More
Inventors: Kobayashi, Akio; Endo, Kunio; Omori, Norio;, Assignee: Nippondenso Co., Ltd. (Kariya, JP) |
Method of adjusting circuit components
The invention comprises a method of controlling the adjustment of a machine-adjustable component in a circuit. In a preliminary computing step, a feedback factor is determined that relates a change in... Read More
Inventors: Lopresti, Philip V.;, Assignee: Western Electric Co., Inc. (New York, NY) |
Timing analyzer with combination transition and duration trigger
Multi-channel timing analyzers are normally designed with the capability of generating pattern-match triggers encompassing all or a selected portion of the inputs to the analyzer. When the inputs matc... Read More
Inventors: Zellmer, Joel A.;, Assignee: Hewlett-Packard Company (Palo Alto, CA) |
Plant controller simulator with structure for combining simuation signals with actual process I/O signals
This invention, therefore, contemplates the elimination of the noted disadvantages of the prior art simulators. One of the features of this invention resides in the interconnection of the controller, ... Read More
Inventors: Yamanaka, Kimio;, Assignee: Mitsubishi Denki Kabushiki Kaisha (Tokyo, JP) |
Method of and apparatus for multiplexed automatic testing of electronic circuits and the like
What is claimed is: 1. A method of performing a test on electronic circuits and the like comprising a relatively large number of nodes, that comprises, assigning each node to a connection point in a g... Read More
Inventors: Faran, Jr., James J.; Fichtenbaum, Matthew L.; Kabele, William C.;, Assignee: Gen Rad, Inc. (Concord, MA) |
Binary multiplier circuit with improved inputs
More precisely, the present invention provides a binary calculation circuit of the type comprising at least one cell having: a 1-bit first input for receiving a first input signal (Ai); a 1-bit second... Read More
Inventors: Hmida, Hedi; Duhamel, Pierre;, Assignee: Etat Francais represente par le Ministre Delegue des Postes et (Issy les Moulineaux, FR) |
Highly integrated programmable logic array utilizing AND and OR arrays
In accordance with the invention a programmable logic array is comprised of double-personalized cells arranged in an AND and OR array. In order to activate otherwise redundant or Don't Care positions,... Read More
Inventors: Gotze, Volkmar; Potz, Gunther;, Assignee: International Business Machines Corporation (Armonk, NY) |
Computer network system with contention mode for selecting master
According to the present invention there is provided a computer network system comprising a message bus and a plurality of computers connected to the message bus, each computer having at least a maste... Read More
Inventors: Thompson, Roger D.;, Assignee: International Computers Limited (London, GB2) |
Polarization stabilized InGaAsP/InP lasers
In accordance with the present invention there is provided an InGaAsP laser structure having a support structure which contains an equal number of buffer layers and substrate layers. The buffer layers... Read More
Inventors: Liu, Jia-Ming; Chen, Ying C.;, Assignee: GTE Laboratories Incorporated (Waltham, MA) |
Rare earth doped semiconductor laser
In accordance with the present invention, rare earth elements and the composition of the semiconductor layers in which they are to be used as dopants are chosen such that the wavelength of the domina... Read More
Inventors: Tsang, Won-Tien;, Assignee: American Telephone and Telegraph Company, AT&T Bell Laboratories (Murray Hill, NJ) |
High power semiconductor laser by means of lattice mismatch stress
It is an object of the invention to provide a semiconductor laser capable of emitting light at a short wavelength with high output power. According to the invention there is provide a semiconductor la... Read More
Inventors: Gotoh, Yukio;, Assignee: Mitsubishi Denki K.K. (Tokyo, JP) |
Semiconductor laser device
A semiconductor laser device according to the present invention comprises a first conductivity-type GaAs substrate, a first conductivity-type Al.sub.x Ga.sub.(1-x) As first cladding layer formed over ... Read More
Inventors: Kagawa, Hitoshi; Yagi, Tetsuya;, Assignee: Mitsubishi Denki Kabushiki Kaisha (JP) |
Complementary field effect transistor amplifier
What is claimed is: 1. An amplifier, comprising: first and second supply terminals for receiving a supply voltage, V.sub.s, thereacross which may vary over a voltage range; an output terminal; a pair ... Read More
Inventors: Schade, Jr., Otto Heinrich;, Assignee: RCA Corporation (New York, NY) |
Digital signal decoding system
Accordingly, it is a general object of the present invention to provide a novel and useful digital signal decoding system in which the problems described heretofore are eliminated. Another and more sp... Read More
Inventors: Yamagishi, Tooru;, Assignee: Victor Company of Japan, Ltd. (Yokohama, JP) |
Memory card with erasure blocks and circuitry for selectively protecting the blocks from memory operations
FIG. 1 is a perspective view of a flash memory card 10. Flash memory card 10 is inserted into a slot 7 of a computer 150 for a memory read or write operation. Card 10 includes connector 5 located on ... Read More
Inventors: Brown, David M.; Eslick, Russell D.; Robinson, Kurt B.;, Assignee: Intel Corporation (Santa Clara, CA) |
Flash memory protection attribute status bits held in a flash memory array
This invention has been made to overcome the above mentioned drawbacks of a conventional flash memory. The primary object of this invention is to provide a circuit structure for the sector protection ... Read More
Inventors: Lee, Peter Wung; Hsu, Fu-Chang; Tsao, Hsing-Ya;, Assignee: Aplus Integrated Circuits, Inc. (Santa Clara, CA) |
Methods and apparatus for hardware block locking in a nonvolatile memory
A method and apparatus for controlling locking and unlocking of a block of memory cells in a memory array is described. For one embodiment, a memory device includes a nonvolatile memory array includin... Read More
Inventors: Gafken, Andrew H.;, Assignee: Intel Corporation (Santa Clara, CA) |
Method and apparatus using volatile lock architecture for individual block locking on flash memory
A circuit is disclosed for protecting memory blocks in a block-based flash EPROM device. A non-volatile memory array includes a number of blocks that are capable of being placed in a locked state or a... Read More
Inventors: Baltar, Robert L.;, Assignee: Intel Corporation (Santa Clara, CA) |
Memory fence with background lock release
The present invention relates to an improved technique for efficiently releasing one or more locks that are associated with one or more memory locations. The inventive technique establishes conditions... Read More
Inventors: Jeter, Jr., Robert E.;, Assignee: Cisco Technology, Inc. (San Jose, CA) |
Train warning system
The present invention is a novel approach to the provision of an improved, durable, miniature wireless alert system for vehicle operator safety. The present inventions warning transmitter beacon is at... Read More
Inventors: Ferrari, John S.; McFarland, David S.;, Assignee: |
Fault Detection 
