Control random access in mobile communication system without interrrupting continuous communications
It is therefore an object of the present invention to provide a method of controlling random access in a mobile communication system based on CDMA to prevent continuous communications such as speech c... Read More
Inventors: Kondo, Takayuki;, Assignee: NEC Corporation (Tokyo, JP) |
Channel bank with individually removable processorless U-BRITE cards controlled by bank controller card
In accordance with the present invention, the desire to reduce the complexity and cost associated with installing a single U-BRITE circuit-dedicated processor on each U-BRITE card, but without sufferi... Read More
Inventors: Toth, Robert James;, Assignee: Adtran, Inc. (Huntsville, AL) |
Method and system for soft handoff of mobile terminals in IP wireless networks.
These and other problems with the allocation of IP multicast addresses to mobile terminals when performing soft handoff of mobile terminals using IP multicasting are addressed by the present invention... Read More
Inventors: Famolari, David; Marples, David J.;, Assignee: Telcordia Technologies Inc. (Morristown, NJ) |
Digital information signal encoding method with reduced run length and improved self-clocking
It is therefore an object of the present invention to provide a digital information signal encoding method in which the maximum length between transitions T.sub.max is set to 4T, which is advantageous... Read More
Inventors: Taniyama, Seiro;, Assignee: Sony Corporation (Tokyo, JP) |
Methods for receiving and converting high speed serial data pattern input signals to parallel data pattern outputs
OF THE INVENTION Reference is made now in detail to a specific embodiment of the present invention, which illustrates the best mode presently contemplated by the inventor for practicing the invention... Read More
Inventors: Scott, Paul H.;, Assignee: Advanced Micro Devices, Inc. (Sunnyvale, CA) |
DC balanced 4B/8B binary block code for digital data communications
Accordingly, it is an object of this invention to provide a data transmission code, a method of encoding and decoding such a data transmission code, and a method of transmitting and receiving such a d... Read More
Inventors: Myers, David J.;, Assignee: |
Digital transmission system with high immunity to dynamic linear distortion
What I claim is: 1. A system for receiving signals without linear distortion comprising: a. a transmitter transmitting at least a normal data block and a reciprocal data block; b. a receiver receiving... Read More
Inventors: Williams, Thomas H.;, Assignee: |
High bandwidth communications system having multiple serial links
OF A PREFERRED EMBODIMENT OF THE INVENTION In the following description, numerous specific details are set forth such as specific word or byte lengths, etc. to provide a thorough understanding of the... Read More
Inventors: Finney, Damon W.; Jenkins, Michael O.; Rayfield, Michael J.;, Assignee: International Business Machines Corporation (Armonk, NY) |
System for encoding an image control signal onto a pixel clock signal
Generally, and in one form of the invention, the system for encoding control data onto a clock signal includes at least one clock cycle in the clock signal; a first transition in the at least one cloc... Read More
Inventors: Prentice, Richard Mark;, Assignee: Texas Instruments Incorporated (Dallas, TX) |
Method of transmitting information, encoding device for use in the method, and decoding device for use in the method
OF THE PREFERRED EMBODIMENT FIG. 1 shows a device employing a system of encoding and decoding digital data. The device comprises an input 1 for receiving serial input data and (unless the data is pre... Read More
Inventors: Schouhamer Immink, Kornelis A.;, Assignee: U.S. Philips Corporation (New York, NY) |
FM Signal demodulator
OF THE PRIOR ART AND THE ILLUSTRATIVE EMBODIMENTS Referring first to FIG. 1, a prior art analog FM demodulator is shown to comprise an input terminal 10 on which is received an FM signal (FSK) F.sub.... Read More
Inventors: Jacob, Keith;, Assignee: Multi-Elmac Company (Novi, MI) |
Programmable chip enable logic function
This invention relates generally to chip enable functions used on integrated circuits and, more specifically, to chip enable functions on field programmable devices. The use of enable inputs on integr... Read More
Inventors: Stockton, David W.;, Assignee: Harris Corporation (Melbourne, FL) |
Circuit for converting a frequency of an input signal so a signal having a digital value corresponding to the frequency
A general object of the present invention is to provide a novel and useful measuring circuit for use in a frequency measurement display. A more specific object of the present invention is to provide a... Read More
Inventors: Ito, Akio;, Assignee: Jeco Company Limited (JP) |
Digital bus data retention
OF THE PREFERRED EMBODIMENT A dynamic digital bus 10 is shown in FIG. 1 suitable for manufacturing within an integrated circuit such as the Motorola 68020 and 68030 series microprocessors using conve... Read More
Inventors: Abdoo, David G.;, Assignee: Motorola, Inc. (Schaumburg, IL) |
Multiplex serial data communication circuit network with superposed clock and data signals
It is a principal object to provide a multiplex serial data communication circuit network and method and motor control system and method using the multiplex serial data communication circuit network a... Read More
Inventors: Satoh, Yoshinori; Matsumoto, Takashi;, Assignee: Nissan Motor Co., Ltd. (Yokohama, JP) |
Method and apparatus for providing a high throughput two-conductor serial interface with support for slave device detection
The present invention comprises a method and apparatus for providing a high throughput two signal conveyance media, e.g. two-conductor, serial interface with support for slave device detection. Multip... Read More
Inventors: Townsley, David B.; Gong, Andrew;, Assignee: Apple Computer, Inc. (Cupertino, CA) |
Data communication system having improved synchronization capability
The present invention has been made to solve the foregoing problems, and an object of the present invention is to provide a data receiving unit, a data transmitting unit and a data communication unit ... Read More
Inventors: Kishigami, Tomohisa; Tsuji, Katsuhisa; Tatsutomi, Yoshiki;, Assignee: Nippondenso Co., Ltd. (Kariya, JP) |
***WITHDRAWN PATENT AS PER THE LATEST USPTO WITHDRAWN LIST*** *** NO IMAGES AVAILABLE***
Description:... Read More
Inventors: , Assignee: |
Phase-jump detector and corrector method and apparatus for phase-modulated communication systems that also provides a signal quality indication
An object of this invention is to provide an efficient phase-jump detector. Another object of this invention is to provide a phase-jump compensator. A further object of this invention is to provide a ... Read More
Inventors: Chiu, Ran-Fun; Sherman, James Bryon; Gilbert, Judson Truman;, Assignee: Milgo Electronic Corporation (Miami, FL) |
Device for synchronizing a clock in relation to an incident digital signal, in particular at high transmission rates
I claim: 1. A device for processing an incident digital signal carrying in a baseband messages coded by a succession of high and/or low states occurring at a transmission clock frequency, comprising: ... Read More
Inventors: Ponsard, Benoit;, Assignee: Electronique Serge Dassault (Saint-Cloud, FR) |
High-stability clock signal regenerator with a stable fixed frequency backup clock generator
What is claimed is: 1. A clock signal regenerator comprising a clock signal generator whose frequency is controlled by a control signal, said clock signal generator included in a control loop for sync... Read More
Inventors: Hollaar, Leendert J.; Zoetman, Herman; Verbeek, Robert J. M.;, Assignee: U.S. Philips Corporation (New York, NY) |
Computer system having conversion of operation codes
What is claimed is: 1. A computer system comprising: (a) a store for holding instructions, each of said instructions includes an op-code, (b) an op-code conversion memory having a plurality of locatio... Read More
Inventors: Martin, Michael W.;, Assignee: International Computers Limited (London, GB2) |
Clock circuit synchronizer using a frequency synthesizer controlled by a frequency estimator
FIG. 1 shows in simplified block diagram form a synchronization arrangement including an embodiment of the invention. In accordance with an aspect of the invention, instead of employing high precisio... Read More
Inventors: Scordo, Dominick;, Assignee: AT&T Bell Laboratories (Murray Hill, NJ) |
Temperature compensation circuit for a crystal oscillator
Briefly, according to the invention, a method for selecting a characterization word for a crystal is disclosed, wherein the crystal is compensated by a compensation signal generated by a compensation ... Read More
Inventors: Pirez, Yolanda M.;, Assignee: Motorola, Inc. (Schaumburg, IL) |
Method and device for synchronizing sychronous digital bit streams
In one aspect, the invention consists in a method of synchronizing synchronous digital bit streams each comprising bits each having the same bit duration, wherein one of said bit streams is taken as a... Read More
Inventors: Guerin, Jean-Pierre; Le Meur, Jean-Paul; Morpain, Jean-Paul;, Assignee: Alcatel Cit (Paris, FR) |
Transmission control apparatus
In consideration of the foregoing, an object of the present invention is to provide a transmission control apparatus enabling efficient data transmission without the influence of noise. Another object... Read More
Inventors: Takayama, Haruyoshi;, Assignee: Canon Kabushiki Kaisha (Tokyo, JP) |
Error tracking apparatus in a data processing system
The present invention is an error-tracking unit within a data processing system. Each data location to be checked for error and to be located in the case of an error is provided with error detection c... Read More
Inventors: Venkatesh, Venkatramiah; Maier, Robert M.;, Assignee: Amdahl Corporation (Sunnyvale, CA) |
Method of communication between network computers by dividing packet data into parts for transfer to respective regions
An object of the present invention is to provide a network data communication system that enables received data to be transferred directly to the user data region, thereby eliminating the need to perf... Read More
Inventors: Murayama, Hideki; Yoshizawa, Satoshi; Inouchi, Hidenori; Aimoto, Takeshi; Hayashi, Takehisa; Iwamoto, Hiroshi;, Assignee: Hitachi, Ltd. (Tokyo, JP) |
Auxiliary handle for portable video camera
What is claimed is: 1. In combination, an auxiliary handle for portable video cameras comprising; an elongated member suitable for gripping and supporting said camera and of sufficient length that it ... Read More
Inventors: Robalino, Manuel;, Assignee: |
Multi-stage squelch apparatus, and associated method, for a multi-branch receiver
The present invention, accordingly, advantageously provides a multi-stage squelch apparatus, and an associated method, for use with a multi-branch receiver. Operation of an embodiment of the present i... Read More
Inventors: Ljungberg, Bengt; Ericsson, Linus; Andersson, Johan; Claesson, Thomas; Lindh, Jan;, Assignee: Telefonaktiebolaget LM Ericsson (publ) (Stockholm, SE) |
Multiplexer-related 
