| Patents for H04L 1 - Arrangements for detecting or preventing errors in the information received (103,402) |
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| 11/04/1992 | EP0511708A2 Method and apparatus for communication channel identification and signal restoration |
| 11/04/1992 | EP0511295A1 Method of and apparatus for controlling modulation of digital signals in frequency-modulated transmissions |
| 11/03/1992 | US5161194 Satellite communications system operating in asynchronous mode for central-to-terminal station transmission |
| 11/03/1992 | US5161186 System for secure and private communication in a triple-connected network |
| 11/03/1992 | US5161151 System and method for controlling multiplex communications between master station and slave stations |
| 10/30/1992 | CA2065540A1 Vector modulated phase shifter circuit |
| 10/28/1992 | EP0511141A1 Error correction encoding method comprising at least two parallel systematic convolutional encoding, iterative decoding method, decoding module and decoder therefor |
| 10/28/1992 | EP0510573A2 TDM speech transmission method with composite code inserted in one time slot |
| 10/28/1992 | CN1065764A Method and apparatus for identifying valid cells in redundant path combining unit of asynchronous transfer mode switch |
| 10/27/1992 | US5159713 Watch pager and wrist antenna |
| 10/27/1992 | US5159282 Demodulation apparatus incorporating adaptive equalizer for digital communication |
| 10/21/1992 | EP0509649A2 Selective calling receiver |
| 10/21/1992 | EP0509430A1 Error correcting system |
| 10/21/1992 | EP0491868A4 Error detection for fiber distributed interfaced optic link |
| 10/20/1992 | US5157672 Interference detection apparatus for use in digital mobile communications system |
| 10/20/1992 | US5157665 Integrated services digital network (ISDN) test device |
| 10/14/1992 | EP0508659A2 Data communication apparatus |
| 10/14/1992 | EP0508571A2 Expert system to diagnose data communication networks |
| 10/14/1992 | EP0508070A2 Method and device for recognizing loss of synchronization between two streams of words of a reference signal and a measure signal |
| 10/14/1992 | EP0507884A1 Transmitting encoded data on unreliable networks |
| 10/14/1992 | EP0284627B1 Digital audio companding and error conditioning |
| 10/14/1992 | CN1018690B Rapid receiver signal strength indication |
| 10/13/1992 | US5155744 Combiner for radio receiving system which uses a viterbi demodulator |
| 10/13/1992 | US5155590 System for data channel level control |
| 10/13/1992 | US5155487 Cell delineation method and cell delineation circuit |
| 10/13/1992 | US5155483 Channel switching system |
| 10/11/1992 | WO1992019049A1 Radiotelephone message processing for low power operation |
| 10/07/1992 | EP0507581A1 Multiplex transmission system |
| 10/07/1992 | EP0507579A2 Multiplexed transmission between nodes with cyclic redundancy check calculation |
| 10/07/1992 | EP0507444A2 Data transmission apparatus with error computer and maximal likelihood calculator |
| 10/07/1992 | EP0507443A2 Data receiver for portable telephone set with high frame synchronisation probability |
| 10/07/1992 | EP0507410A1 A wide-band communication network and a method for tracing disturbances therein |
| 10/07/1992 | EP0506804A1 Receiver for a digital radiomobile system with cancellation of isofrequency interfering signals having the same kind of modulation, and relevant method. |
| 10/07/1992 | EP0506750A1 Data error detection in data communications. |
| 10/07/1992 | EP0489880A4 Maximal ratio diversity combining technique |
| 10/07/1992 | CN1065168A Transmission system and receiver to be used in transmission system |
| 10/06/1992 | US5153874 Redundancy data transmission device |
| 10/06/1992 | US5153764 Control of optical systems |
| 10/06/1992 | US5153527 Demodulation apparatus having reception state evaluation |
| 10/06/1992 | CA1308442C Hf data communications system with network management |
| 10/01/1992 | WO1992017005A1 Method for identifying a supervising signal at a base station of a mobile telephone system |
| 10/01/1992 | DE4210094A1 Vehicle multiplex transmission system - with alteration of transmission repetition test bit at each node to indicate new transmission |
| 09/30/1992 | EP0506400A2 Signal transmission system |
| 09/30/1992 | EP0506136A2 Broadcast/switching apparatus for executing broadcast/multi-cast transfers over unbuffered asynchronous switching networks |
| 09/30/1992 | EP0506135A2 Multi-sender/switching apparatus for status reporting over unbuffered asynchronous multi-stage networks |
| 09/30/1992 | EP0505782A2 Multi-function network |
| 09/30/1992 | EP0505781A2 Multi-media serial line switching adapter for parallel networks and heterogeneous and homologous computer system |
| 09/30/1992 | EP0505780A2 Priority broadcast and multi-cast for unbuffered multi-stage network |
| 09/30/1992 | EP0505779A2 Dual priority switching apparatus for simplex networks |
| 09/30/1992 | EP0505695A2 All-node switch - an unclocked, unbuffered, asynchronous, switching apparatus |
| 09/29/1992 | US5152008 Signal control apparatus capable of readily changing an apparatus output signal |
| 09/29/1992 | US5151902 Method and apparatus for quality monitoring of at least two transmission sections of a digital signal transmission link |
| 09/29/1992 | US5151899 Tracking sequence numbers in packet data communication system |
| 09/29/1992 | US5151693 Wireless signal transmission system with random access |
| 09/23/1992 | EP0505223A1 Apparatus for transmission of digital information on a line of a power distribution network |
| 09/23/1992 | EP0504905A2 Carrier recovery control with sequential FEC sync detection and frame sync detection |
| 09/23/1992 | EP0504201A1 Method and apparatus for assessing the link of a communications system |
| 09/22/1992 | US5150368 Minimization of modem retransmissions |
| 09/22/1992 | CA1307851C Error correction coding and decoding circuit for digitally coded information |
| 09/22/1992 | CA1307847C Method of and device for decoding block-coded messages affected by symbol substitutions, insertions and deletions |
| 09/17/1992 | WO1992016065A1 Error burst detection |
| 09/17/1992 | WO1992015986A1 Variable bit rate speech encoder |
| 09/17/1992 | CA2105387A1 Variable bit rate speech encoder |
| 09/16/1992 | EP0504061A1 Method and circuit for testing serial bidirectional transmissions |
| 09/16/1992 | EP0503667A2 A CRC operating method and an HEC synchronizing unit in the ATM switching method |
| 09/16/1992 | EP0503663A1 Apparatus and method for non-stop switching in asynchronous transfer mode |
| 09/16/1992 | EP0503640A2 Backup apparatus against line defect and backup method against line defect |
| 09/16/1992 | EP0503486A2 Line monitoring for SDH-signals |
| 09/15/1992 | US5148434 Digital data generator |
| 09/15/1992 | US5148431 Speech signal decoding apparatus with error detection and correction |
| 09/14/1992 | WO1992017011A1 Method and apparatus for providing high data rate traffic channels in a spread spectrum communication system |
| 09/10/1992 | DE4106974A1 Quitting system for multi-hop radio network - uses piggyback transmission of implicit quitting information between adjacent stations |
| 09/09/1992 | CN1018227B Telecommunications transmission security arrangement |
| 09/08/1992 | US5146475 Maximum-liklihood sequence estimation apparatus |
| 09/08/1992 | US5146462 System and devices for transmitting signals consisting of data blocks |
| 09/03/1992 | WO1992015073A1 Hand-held data capture system with interchangeable modules and interactive control circuits |
| 09/02/1992 | EP0500761A1 Diversity receiver in a cdma cellular telephone system |
| 09/01/1992 | US5144304 Data and forward error control coding techniques for digital signals |
| 08/26/1992 | EP0500326A2 Digital mobile communication terminal equipment and receiving method therefor |
| 08/26/1992 | EP0500159A1 Transmission system, and receiver to be used in the transmission system |
| 08/26/1992 | EP0163736B1 Apparatus for processing pcm signal |
| 08/26/1992 | CN1063985A Modulator/demodulator for compatible high definition television system |
| 08/26/1992 | CA2104788A1 Hand-held data capture system with interchangeable modules and interactive control circuits |
| 08/25/1992 | US5142690 Cable television radio frequency data processor |
| 08/25/1992 | US5142582 Speech coding and decoding system with background sound reproducing function |
| 08/25/1992 | US5142550 Packet data communication system |
| 08/25/1992 | US5142539 Method of processing a radio signal message |
| 08/25/1992 | US5142538 Link protocol for rs 232 communications |
| 08/25/1992 | US5142534 Wireless integrated voice-data communication system |
| 08/25/1992 | US5142526 Transmission failure diagnosis apparatus |
| 08/25/1992 | CA1306810C Data communication method and apparatus |
| 08/25/1992 | CA1306774C Circuit for generating discrimination level voltage |
| 08/20/1992 | WO1992014327A1 Tracking sequence numbers in packet data communication system |
| 08/19/1992 | EP0499397A2 Digital communications systems |
| 08/19/1992 | EP0499395A2 Pointer control system |
| 08/18/1992 | US5140615 Maximal ratio diversity combining technique |
| 08/18/1992 | US5140590 Telephone or data switching system with variable protocol inter-office communication |
| 08/18/1992 | CA1306543C Partial response channel signaling systems |
| 08/12/1992 | CN1017858B Method and apparatus for diversity reception of time-dispersed signals |
| 08/11/1992 | US5138636 Circuit for detecting received signal loss in a digital signal receiver |