Protection circuit for non-volatile memory
What is claimed is: 1. A protection circuit for a non-volatile memory comprising: means for developing an operating voltage for said memory; means for developing a reset voltage having an active range... Read More
Inventors: Chamberlain, William;, Assignee: Zenith Electronics Corporation (Glenview, IL) |
Disk cache control unit
The object of the present invention is to provide a disk cache control unit which can reduce wasteful rotational delays on the disk unit side in the exchange of data between an upper-rank processor an... Read More
Inventors: Kambayashi, Kosaku; Nakamura, Katsunori; Satoh, Takao; Asaka, Yoshihiro; Nagasawa, Teruo;, Assignee: Hitachi, Ltd. (Tokyo, JP) |
Internally cached static random access memory architecture
The present invention, in its broadest form, is directed to a circuit for internally caching a memory device having a main memory. The circuit is comprised of a cache memory of smaller size than the m... Read More
Inventors: Pawlowski, J. Thomas;, Assignee: Micron Technology Inc. (Boise, ID) |
Radio communication receiving device detecting a frequency modulation preamble signal
The object of the present invention is to provide a radio communication receiving device that has a preamble detection function that is simple and highly reliable, at the time of preamble detection is... Read More
Inventors: Tanaka, Kiyoshi;, Assignee: Uniden Corporation (Ichikawa, JP) |
Memory access address comparison
It is an aim of embodiments of the present invention to provide write protection circuitry which addresses the problems of the prior art. According to one aspect of the present invention, there is pro... Read More
Inventors: Uguen, Laurent;, Assignee: STMicroelectronics S.A. (Gentilly, FR) |
Color television picture display device having a flicker reduction circuit
What is claimed is: 1. A color television picture display device comprising an analog-to-digital converter for supplying, at a plurality of outputs, a digital signal representing at least a luminance ... Read More
Inventors: Doornhein, Laurens;, Assignee: U.S. Philips Corporation (New York, NY) |
Line camera for imaging object strips on photosensitive detector lines
What is claimed: 1. A line camera for imaging object strips on photosensitive detector lines, having an objective producing a line image of an object strip, having a ray deflecting system situated at ... Read More
Inventors: Blechinger, Fritz; Hofmann, Michael;, Assignee: Messerschmitt-Bolkow-Blohm GmbH (DE) |
Method for encoding SNMP summary objects
OF THE PREFERRED EMBODIMENT Referring to the drawings, especially FIG. 1, a concentrator 10 contains a plurality of media modules 14 and a plurality of empty slots 16 which can be filled with modules... Read More
Inventors: Cook, John; de Graaf, Kathryn; Leshkowitz, Shay; Greizerstein, Paul;, Assignee: 3Com Corporation (Santa Clara, CA) |
Apparatus and method for modifying signals from a CPU to a memory card
A computer system and method of operation is provided wherein the memory controller of the system generates first and second address signals, typically RAS signals, and address bits for Y rows of addr... Read More
Inventors: Dell, Timothy J.;, Assignee: International Business Machines Corporation (Armonk, NY) |
Apparatus for reading and reproducing a color image
To achieve the foregoing objects, and in accordance with the purposes of the invention as embodied and broadly described herein, an image reader is provided comprising means for image data output that... Read More
Inventors: Shimizu, Norimitu;, Assignee: Fuji Xerox Co., Ltd. (Tokyo, JP) |
Data recording system having unique end-of-recording and start-of-recording format indicators
OF THE INVENTION Broad Overview of the System While the present invention will be specifically described in connection with a rotary head helical scan tape recording apparatus, it is equally applicab... Read More
Inventors: Shih, Lionel C.; Wood, Tracy G.;, Assignee: Ampex Corporation (Redwood City, CA) |
Microcomputer system for communication
In view of the aforementioned drawback, the inventors studied a system according to which, in the case where the frames are sent in somewhat successively as described above, priority is given to the t... Read More
Inventors: Okochi, Toshio; Miyazaki, Takeshi;, Assignee: Hitachi, Ltd. (Tokyo, JP) |
Hierarchical storage management from a mirrored file system on a storage network segmented by a bridge
A solution to this problem is provided according to the teachings of the invention by mirroring the data over a Bridge. The Bridge segments the FC-AL into two FC-ALs or two LANs of any other type. One... Read More
Inventors: Chin, Howey Q.; Chan, Kurt;, Assignee: Gadzoox Networks, Inc. () |
Cell flow control in square-grid expanded ATM switch
Therefore, an object of the present invention is to provide a backpressure-type cell flow control method and system to a square-grid expanded ATM switch achieving fair cell flow control between input ... Read More
Inventors: Sano, Kiyoshi;, Assignee: NEC Corporation (Tokyo, JP) |
Latch mechanism for a header
With reference to the drawings, an electrical header 1 comprises a housing 2, electrical terminal pins 15 in the housing 2, and the housing 2 being adapted for receiving an electrical device 3, such ... Read More
Inventors: Layser, Steven M.;, Assignee: AMP Incorporated (Harrisburg, PA) |
Non-volatile memory system
A non-volatile read/write memory module and a data processing system utilizing said module. The non-volatile read/write memory module is comprised of a first coupling means for coupling to an external... Read More
Inventors: Hamilton, Stephen P.; McFarland, Harry G.;, Assignee: Texas Instruments Incorporated (Dallas, TX) |
Register with selective wait feature
These and other requirements are provided by the present invention. In one embodiment, the present invention provides a data processing system including: a central processing unit for executing instru... Read More
Inventors: Langan, John A.; Amedeo, Robert J.; Thomas, Nancy L.;, Assignee: Motorola, Inc. (Schaumburg, IL) |
Interconnection apparatus for wiring harnesses
I claim: 1. In an interconnection apparatus for wiring harnesses including a wiring board including a single-layer insulating board and a cover fitted over the wiring board to cover the same, the impr... Read More
Inventors: Ito, Mitsuru;, Assignee: Tokai Electric Wire Company Limited (both of, JP); Sumitomo Electric Industries Ltd. (both of, JP) |
Electrical circuit unit with moisture sealed plug-in connectors
It is an object of the present invention to shorten the conducting paths required on the circuit boards and to reduce the number of circuit board connectors. Briefly, a divided plug body is used in th... Read More
Inventors: Hofmeister, Werner; Neuhaus, Dieter;, Assignee: Robert Bosch GmbH (Stuttgart, DE) |
Optically triggered lateral thyristor with auxiliary region
OF THE DRAWINGS Referring first to FIG. 1, there is shown therein in cross-section the junction pattern and metallizing of a lateral thyristor chip which is manufactured in accordance with some of th... Read More
Inventors: Herman, Thomas;, Assignee: International Rectifier Corporation (Los Angeles, CA) |
Headlight, windshield wiper control system
We claim: 1. An automatic system for controlling the turning on of vehicle headlights when ignition and windshield wipers are turned on and for keeping them on when the wipers are turned off, comprisi... Read More
Inventors: Benedict, Charles E.; Stumpf, Donald M.;, Assignee: Benedict Engineering Co. Inc. (Tallahassee, FL) |
Waterproof connector
It is accordingly an object of this invention to provide a waterproof connector in which any error in the inserting posture of the terminal members with respect to the terminal accommodating chambers ... Read More
Inventors: Endo, Takayoshi; Takagishi, Takashi;, Assignee: Yazaki Corporation (JP) |
Pen-type computer input device
In view of the aforesaid problems of the conventional computer input devices, it is an object of the present invention to provide a pen-type computer input device which is small in size, can easily be... Read More
Inventors: Sato, Kimikatsu; Toyoda, Ryuichi; Masaki, Takeshi;, Assignee: Matsushita Electric Industrial Co., Ltd. (JP) |
Method for transferring documents
OF A PREFERRED EMBODIMENT Reference is now made to FIGS. 1A and 1B which illustrate, in block diagram format, "output" communication for the purposes of producing a physical version of a document, in... Read More
Inventors: Noy, Amir;, Assignee: Scitex Corporation, Limited (Herzlia Bet, IL) |
System for issuing resident certificates
The present invention has been developed to obviate the above-mentioned problem. The object of the present invention is to provide an automatic resident card dispensing system for issuing a resident c... Read More
Inventors: Sukegawa, Norio; Miyakawa, Masayuki;, Assignee: Hitachi, Ltd. (Tokyo, JP); Hitachi System Engineering, Ltd. (Tokyo, JP) |
Authentication using random challenges
The present invention addresses the problems of short or non-random passwords present in current authentication schemes, and, particularly, challenge-response authentication schemes. In the authentica... Read More
Inventors: Hellman, Martin E.;, Assignee: America Online, Inc. (Dulles, VA) |
Device and method for authenticating user's access rights to resources
The present invention has been made in view of the above circumstances and has an object to provide a device for authenticating user's access rights to resources and its method which set both users an... Read More
Inventors: Shin, Kil-ho; Kobayashi, Kenichi; Aratani, Toru;, Assignee: Fuji Xerox Co., Ltd. (Tokyo, JP) |
Information processing system, electronic device and control method
Accordingly, an object of the present invention is to provide an information processing system, as well as a control method, in which it is possible to maintain the security of one electronic device t... Read More
Inventors: Niwa, Nobuyuki; Yokota, Yasuhiro; Shiraga, Shinji; Kikuchi, Tomoaki; Miura, Hiroya; Morita, Kenji;, Assignee: Canon Kabushiki Kaisha (Tokyo, JP) |
Connector system for coaxial cables
In one aspect of the present invention, this is accomplished by providing an electrical connector system which includes a housing, at least one electrical cable assembly, at least one retaining member... Read More
Inventors: Voltz, John;, Assignee: W. L. Gore & Associates, Inc. (Newark, DE) |
Removable data storage drive security module with lockable write protect feature
The present invention provides a docking base and a removable disk drive module having a lockable hardware write protection feature. The invention may be configured such that a low-voltage power suppl... Read More
Inventors: Wade, Jack P.; Lederer, Raymond; Young, Norman D.;, Assignee: Z Microsystems, Inc. (Carlsbad, CA) |
I/O Systems 
