Backup method and apparatus allowing only replaced data to be transferred
This invention aims at enhancing efficiency in utilizing a communications link by shortening a data backup time. This invention provides a data backup method of having a data processing apparatus tran... Read More
Inventors: Yamaguchi, Masami;, Assignee: Fujitsu Limited (Kanagawa, JP) |
Integratable, bus-oriented transmission system
It is an object of the invention to increase the switching speed given a data transmission system of the type initially defined and to avoid the disadvantages of a high surface requirement and power c... Read More
Inventors: Geiger, Gerhard; Strafner, Michael;, Assignee: Siemens Aktiengesellschaft (Berlin and Munich, DE) |
Discharge circuit for a semiconductor memory including address transition detectors
Therefore, a main object of the present invention is to provide a semiconductor memory device which is capable of reliable and high speed reading and writing operation by effecting stable discharging ... Read More
Inventors: Anami, Kenji;, Assignee: Mitsubishi Denki Kabushiki Kaisha (Tokyo, JP) |
Readout circuit and method for multiphase memory array
Two multiplexers, one demultiplexer, and a state machine that controls the operation of the multiplexers and the demultiplexer are used to read data out of a multiphase memory array having a number of... Read More
Inventors: Von Flue, Timothy A.;, Assignee: Tektronix, Inc. (Beaverton, OR) |
Microcomputer with automatic refresh of on-chip dynamic RAM transparent to CPU
In accordance with one embodiment of the invention, a microcomputer device is disclosed containing a ROM for program memory, a read/write memory, and a CPU in a single integrated circuit. Input/output... Read More
Inventors: Bellay, Jeffrey D.; Hogan, Michael J.; McDonough, Kevin C.; Hayn, John W.;, Assignee: Texas Instruments Incorporated (Dallas, TX) |
Semiconductor memory device with variable self-refresh cycle
An object of the present invention is, therefore, to provide a semiconductor memory device in which power consumption in a self-refresh mode is reduced. Another object of the present invention is to p... Read More
Inventors: Inagaki, Yasaburo;, Assignee: NEC Corporation (Tokyo, JP) |
Memory device with programmable self-refreshing and testing methods therefore
We claim: 1. A programmable refresh circuit integrated with a semiconductor memory device having a memory array accessed through word lines and bit lines, said programmable refresh circuit comprising:... Read More
Inventors: Douse, David E.; Ellis, Wayne F.; Hedberg, Erik L.;, Assignee: International Business Machines Corporation (Armonk, NY) |
Variable propagation delay digital signal inverter
Briefly, in accordance with one embodiment of the invention, an electronically-controlled variable propagation delay digital signal inverter comprises a digital signal inverter, having an input signal... Read More
Inventors: Fernandez, Francisco J.; Viswanathan, Thayamkulangara R.;, Assignee: AT&T Corp. (Murray Hill, NJ) |
Synchronous semiconductor device with discontinued functions at power down
Accordingly, a general object of the present invention is to provide a novel and useful synchronous semiconductor device in which the disadvantages of the aforementioned prior art are eliminated. A mo... Read More
Inventors: Shinozaki, Naoharu;, Assignee: Fujitsu Limited (Kanagawa, JP) |
Network monitoring system for cell delay variation
What is claimed is: 1. An apparatus for minimizing jitter caused during transmission of a data packet stream, comprising: a time stamp detector detecting time stamp values within said data packet stre... Read More
Inventors: Cloutier, Leo; Curtis, David C.; Curtis, Kathleen P.; DeNunzio, David D.; Reed, William P.; Wolak, Robert A.;, Assignee: Bell Atlantic Network Services, Inc. (Arlington, VA) |
Memory module arranged for data and parity bits
OF THE PREFERRED EMBODIMENT Dynamic random access memory arrays are generally described in U.S. Pat. No. 4,081,701, issued to White, et al. and assigned to Texas instruments Incorporated. High densit... Read More
Inventors: Neal, Joseph H.; Poteet, Kenneth A.;, Assignee: Texas Instruments Incorporated (Dallas, TX) |
Connection/disconnection control circuit for data lines between memory groups
An object of the present invention is to provide a memory device which can realize low power consumption as well as large capacity and high-speed operation. Another object of the invention is to provi... Read More
Inventors: Hirano, Shin-Ichi;, Assignee: NEC Corporation (Tokyo, JP) |
Dimm pair with data memory and state memory
OF THE PREFERRED EMBODIMENTS Table of Contents I. Overview II. Architecture of the DIMM III. Implementation of the DIMM in a DIMM Pair IV. Details of the DIMM Interconnects V. DIMM Chip Layout VI. Th... Read More
Inventors: Laudon, James P.; Lenoski, Daniel E.; Manton, John;, Assignee: Silicon Graphics, Inc. (Mountain View, CA) |
Memory system having flexible addressing and method using tag and data bus communication
A memory system comprising a memory controller, an array of non-volatile memory cells and a memory operation manager is disclosed, with the array and operation manager preferably being implemented in ... Read More
Inventors: Lakhani, Vinod C.; Norman, Robert D.; Chevallier, Christophe J.;, Assignee: Micron Technology, Inc. (Boise, ID) |
Broadcast type satellite communication systems
Broadcast satellites are typically characterized by a relatively small number of up-link transmission source nodes and a large number of down-link destination nodes. For the up-link, of course, the n... Read More
Inventors: Acampora, Anthony;, Assignee: Bell Telephone Laboratories, Incorporated (Murray Hill, NJ) |
Method and apparatus for detecting transmission errors in cordless telephones
The present invention provides several methods and apparatus for detecting transmission errors between the base station and handset station of a cordless telephone set. One method consists of interlea... Read More
Inventors: Box, Jay C.;, Assignee: Tandy Corporation (Fort Worth, TX) |
Flexible container
By the present invention there is provided a flexible container for a potable liquid comprising a fabric reinforced rubber body having a lining of a non-oriented polypropylene bonded to the fabric rei... Read More
Inventors: Grosvenor, Ronald L.;, Assignee: IMI Marston Limited (Wolverhampton, GB2) |
Data processing device composed of four data processing modules of identical construction, with protection both against simultaneous single-bit failures in the data processing modules and against failure of a single data processing module
What is claimed is: 1. A data processing device comprising: (a) four data processing modules (100, 102, 104, 106) which each include (i) corresponding data processing means (12, 14, 16, 18) having a d... Read More
Inventors: van Gils, Willibrordus J.;, Assignee: U.S. Philips Corporation (New York, NY) |
Process for controlling retransmission of messages from transmitting stations belonging to a cellular system
OF THE PREFERRED EMBODIMENT FIG. 1 shows a collision between two mobile stations MS2 and MS5 in a cellular transmission system comprising a fixed base station 2 and mobile stations MS1 to MS5. In res... Read More
Inventors: Mouly, Michel; Thomas, Remi;, Assignee: |
Method for connecting a channel between a base station and a mobile station
Accordingly, it is an object of this invention to provide a method for connecting a channel between a base station and a mobile station, in which an effective use of channels is realized. It is a furt... Read More
Inventors: Ohteru, Youichi;, Assignee: NEC Corp. (JP) |
High-speed signal multiplexing circuit for multiplexing high-speed signals
It is accordingly an object of the present invention to provide a high-speed signal multiplexing circuit wherein the phases of signals are controlled easily and the margin of a circuit operation in a ... Read More
Inventors: Motoike, Koichi;, Assignee: Kabushiki Kaisha Toshiba (Kawasaki, JP) |
System for error control and phasing in interconnected ARQ-circuits
OF A PREFERRED EMBODIMENT Prior Art Series System FIG. 1 represents a system with three interconnected ARQ-circuits, A, B and C, each comprising a transmitter (T) 1 and a receiver (R) 2 for the direc... Read More
Inventors: VAN Duuren, Hendrik Cornelis Anthony; DA Silva, Herman;, Assignee: De Staat der Nederlanden, te Dezen Vertegenwoordigd Door de (The Hague, NL) |
Microcomputer with self-test of macrocode
In accordance with one embodiment of the invention a microcomputer device contains a CPU with an arithmetic/logic unit and data/address registers on a single semiconductor integrated circuit having on... Read More
Inventors: Bellay, Jeffrey D.; McDonough, Kevin C.; Patrick, Michael W.;, Assignee: Texas Instruments Incorporated (Dallas, TX) |
Partial scrolling video generator
OF SPECIFIC EMBODIMENTS The invention is described with reference to specific embodiments. Other embodiments will be apparent upon reference to the following detailed description. Referring to the si... Read More
Inventors: Pope, Richard N.; Williamson, Richard A.;, Assignee: Multisonics, Inc. (Dublin, CA) |
Matrix display panel having alternating scan pulses generated within one frame scan period
It is an object of the present invention to provide a liquid crystal display panel having a high image quality in which even when the area of the panel is enlarged and the pitch of the panel is made f... Read More
Inventors: Mizutome, Atsushi; Yamashita, Shinichi; Sugano, Hideo; Inoue, Hiroshi;, Assignee: Canon Kabushiki Kaisha (Tokyo, JP) |
TDM system and method having time slot request signaling
Shown in FIG. 1 is an illustrative block diagram of a Time Division Multiplex (TDM) system 100 including a plurality of nodes or stations 101-109, master frame generator 110, slave frame generator 12... Read More
Inventors: Hagirahim, Hassan;, Assignee: AT&T Bell Laboratories (Murray Hill, NJ) |
Computer architecture capable of concurrent issuance and execution of general purpose multiple instructions
In the present invention, a family of instructions is a set of sequential instructions in a program that may be issued concurrently in one clock. The number of types of instructions that may be includ... Read More
Inventors: Horst, Robert W.;, Assignee: Tandem Computers Incorporated (Cupertino, CA) |
Vertical ramp automatic amplitude control
What is claimed is: 1. A method of producing a constant amplitude deflection ramp voltage over a range of deflection frequencies comprising: producing a ramp voltage by charging a ramp capacitor from ... Read More
Inventors: Nienaber, David K.;, Assignee: Zenith Electronics Corporation (Glenview, IL) |
Decision circuit operable at a wide range of voltages
What is claimed is: 1. A decision circuit, comprising: a first comparator which compares an input voltage with a reference voltage and judges whether said input voltage is higher than said reference v... Read More
Inventors: Minami, Yoichiro;, Assignee: NEC Corporation (Tokyo, JP) |
Communication path continuity verification arrangement
Time-slot Interchange Unit 11 Each of the line units transmits recurring frames each comprising 64 digital channels of 16 bits each. This information is transmitted to a multiplex unit 60 (FIG. 2) wi... Read More
Inventors: Chang, Shih-Jeh;, Assignee: AT&T Bell Laboratories (Murray Hill, NJ) |
I/O Systems 
