Patents for H04L 1 - Arrangements for detecting or preventing errors in the information received (103,402) |
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08/11/1992 | US5138620 Communication control system |
08/11/1992 | US5138616 Continuous on-line link error rate detector utilizing the frame bit error rate |
08/06/1992 | WO1992013429A1 Method of controlling a switching device |
08/05/1992 | WO1992014343A1 Modulator/demodulator for compatible high definition television system |
08/05/1992 | EP0497452A2 Data transmission system between base and relay stations for diagnosis packets |
08/05/1992 | EP0497250A1 Method for detecting an interfering signal for a digital data demodulator and apparatus for the implementation of such a method |
08/05/1992 | EP0496986A2 Packet data communication system |
08/05/1992 | CA2101644A1 Modulator/demodulator for compatible high definition television system |
08/04/1992 | US5136592 Error detection and correction system for long burst errors |
08/04/1992 | US5136591 Measuring method and device for fault analysis of digital transmission paths |
08/04/1992 | US5136576 Transmission system |
08/04/1992 | CA1306016C Display radio pager having graphic alarm for selective indication of memory availability factors |
07/29/1992 | EP0496467A2 Receiver for digital transmission system controlled by the measured quality factor of the signal and with improved power consumption |
07/28/1992 | US5134612 Digital communication terminal equipment |
07/28/1992 | CA1305758C Phase difference adjusting circuit |
07/23/1992 | WO1992012483A1 Data reception technique |
07/22/1992 | EP0495642A2 Error detection circuit and method |
07/22/1992 | EP0495036A1 Dynamic encoding rate control minimizes traffic congestion in a packet network |
07/22/1992 | EP0314724B1 Control of optical systems |
07/21/1992 | US5132975 Very high speed error detection network |
07/17/1992 | CA2058684A1 Error detection structure and method using partial polynomial check |
07/15/1992 | EP0494298A1 Multi-level radio-frequency communication system. |
07/14/1992 | US5131012 Synchronization for cylic redundancy check based, broadband communications network |
07/14/1992 | US5131011 Receiver for data transmission system with nonlinearities |
07/14/1992 | US5131010 Voice guard digital voter for multiple site PST RF trunking system |
07/14/1992 | US5130993 Transmitting encoded data on unreliable networks |
07/14/1992 | CA1305228C Method and device for transmetting the signals of a digital service channel over the parity channel of a digital stream transmitted with a parity control code |
07/08/1992 | EP0494114A2 Electronic identification system |
07/08/1992 | EP0494037A2 Early frame release in modified HDLC protocol |
07/08/1992 | EP0494036A2 Data frames transmission with erroneous frames retransmission in HDLC protocol |
07/08/1992 | EP0494035A2 Data packet format in HDLC protocol with retransmission of frames having an error |
07/08/1992 | EP0494003A1 Receiver for processing signals which are received over diversity paths |
07/07/1992 | US5128969 Method and apparatus for diversity reception |
07/07/1992 | US5128962 Line interface circuit and a method of testing such a circuit |
07/07/1992 | US5128942 Method of and apparatus for transmitting video data |
07/07/1992 | US5128930 Processor-to-processor communications protocol for a public service trunking system |
07/07/1992 | US5128776 Prioritized image transmission system and method |
07/01/1992 | EP0492851A2 Microcellular communications system using space diversity reception |
07/01/1992 | EP0492812A2 Error detection and framing in packets transmitted in a sequence of fixed-length cells |
07/01/1992 | EP0492703A1 Error prevention system for multichannel data transmission |
07/01/1992 | EP0491868A1 Error detection for fiber distributed interfaced optic link. |
07/01/1992 | CN1017296B Ensemble modem structure for imperfect transmission media |
06/30/1992 | US5127025 Space diversity tdma receiver |
06/25/1992 | WO1992010893A1 Method of error recovery in a data communication system |
06/25/1992 | WO1991007038A3 Method and apparatus for effecting efficient transmission of data |
06/24/1992 | EP0491421A2 Coherent optical multichannel receiver |
06/24/1992 | EP0491397A2 Data integrity guarantee system |
06/23/1992 | US5125102 Trunked radio repeater system including synchronization of a control channel and working channels |
06/23/1992 | US5124991 Error correction for infrared data communication |
06/23/1992 | EP0667019A4 Hand-held data capture system with interchangeable modules. |
06/23/1992 | CA1304132C Fail-soft architecture for public trunking system |
06/17/1992 | EP0490552A2 Multiplexed coded modulation with unequal error protection |
06/17/1992 | EP0490427A2 Receiver with at least two receive branches |
06/17/1992 | EP0489880A1 Maximal ratio diversity combining technique. |
06/17/1992 | DE4038596A1 Data transmission error detection system - uses parity checking word combined with parallel data words at transmission and reception ends for comparison |
06/16/1992 | US5123020 Phase synchronization pull-in system in bit error detecting apparatus |
06/16/1992 | US5123019 Method for processing binary code words |
06/16/1992 | CA1303678C Data transmission systems with automatic repeat request |
06/13/1992 | WO1992010888A1 Process for transmitting additional information with an a.m. radio signal |
06/11/1992 | CA2055172A1 Error detection and framing in packets transmitted in a sequence of fixed-length cells |
06/09/1992 | US5121410 Method for the transmission of data or commands and device for carrying out said method |
06/09/1992 | US5121397 Method and apparatus for producing order independent signatures for error detection |
06/09/1992 | US5121396 Preservation of crc integrity upon intentional data alteration during message transmission |
06/09/1992 | US5121395 Transmission error protection for TDMA digital channels |
06/09/1992 | US5121391 Subscriber RF telephone system for providing multiple speech and/or data singals simultaneously over either a single or a plurality of RF channels |
06/09/1992 | US5121211 System for echo cancellation comprising an improved ghost cancellation reference signal |
06/08/1992 | WO1992010890A1 Cdma microcellular telephone system and distributed antenna system therefor |
06/03/1992 | EP0488610A2 Communication line backup system |
06/03/1992 | EP0488050A2 Data sensing system |
06/03/1992 | EP0446276A4 Adaptive rate control for echo cancelling modem |
06/02/1992 | US5119401 Decision feedback equalizer including forward part whose signal reference point is shiftable depending on channel response |
06/02/1992 | US5119400 Digital transmission system employing a viterbi-like equalizer |
06/02/1992 | US5119380 Zero string error detection circuit |
06/02/1992 | US5119375 Subscriber RF telephone system for providing multiple speech and/or data signals simultaneously over either a single or a plurality of RF channels |
06/02/1992 | US5119210 Facsimile machine having error correction mode |
05/27/1992 | EP0486729A1 Coded modulation for mobile radio |
05/27/1992 | EP0486667A1 Communication signal having a time domain pilot component |
05/26/1992 | US5117502 Mobile radio communication system |
05/26/1992 | CA1301966C Watch pager system and communication protocol |
05/22/1992 | WO1992009953A1 Error detection system |
05/20/1992 | EP0486232A2 ADPCM decoder with error detection |
05/20/1992 | EP0486094A1 Receiving device having a plurality of receiving branches |
05/20/1992 | EP0485921A1 Device for the processing of the Viterbi algorithm comprising a processor and a specialized unit |
05/20/1992 | CN1061312A System and method for generating signal waveforms in cdma cellular telephone system |
05/20/1992 | CN1061311A Diversity receiver in cdma cellular telephone system |
05/19/1992 | US5115452 Phase jitter correction arrangement |
05/19/1992 | US5115436 Forward error correction code system |
05/19/1992 | US5115429 Dynamic encoding rate control minimizes traffic congestion in a packet network |
05/19/1992 | CA1301379C Multiple accessing satellite communication system having standby central station |
05/19/1992 | CA1301309C Protocol for handling transmission errors over asynchronous communication lines |
05/19/1992 | CA1301274C Digital communication apparatus |
05/14/1992 | WO1992008296A1 Method of detecting errors in the transmission of frequency-coded digital signals |
05/13/1992 | EP0485108A2 Coded modulation with unequal levels of error protection |
05/13/1992 | EP0485025A1 Data transmission system with a plurality of satellite circuits on a data line |
05/12/1992 | US5113400 Error detection system |
05/12/1992 | CA1300712C Signal selection by majority comparison |
05/06/1992 | EP0483788A2 A synchronous terminal station system |
05/06/1992 | EP0394357A4 Acknowledge back pager with apparatus for controlling transmit frequency |
05/06/1992 | CN1016556B Ensemble modem structure for imperfect transmission media |
05/05/1992 | US5111461 Communication control system |