| Patents for H04L 1 - Arrangements for detecting or preventing errors in the information received (103,402) |
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| 02/24/1993 | EP0527819A1 A high frequency multichannel diversity differential phase shift (dpsk) communications system. |
| 02/24/1993 | EP0527772A1 Forward error correction code system |
| 02/24/1993 | EP0476127A4 Integrated cellular communications system |
| 02/24/1993 | EP0159326B1 Digital signal processor modem |
| 02/23/1993 | US5189684 Line signal deterioration removing systems |
| 02/23/1993 | US5189413 Scanning receiver with manual override of frequency scanning routine |
| 02/23/1993 | US5189411 Radio signal data transmission synchronization |
| 02/18/1993 | WO1993003561A1 Apparatus and method for controlling transmitted power of a modem |
| 02/16/1993 | US5187811 Error detection |
| 02/16/1993 | US5187704 Monitoring method for stand-by circuits suitable for a multiplexing/demultiplexing apparatus |
| 02/16/1993 | US5187470 Paging system with local channel lists |
| 02/10/1993 | EP0380509B1 Measuring process and device for the analysis of disturbances in digital buses |
| 02/09/1993 | US5185795 Authentication of rekey messages in a communication system |
| 02/09/1993 | US5185604 Message indicating icon mechanism |
| 02/04/1993 | DE4219677A1 Antenna diversity digital transmission in mobile radio system - using single antenna receiver for producing two channel estimates between which symbol sub-blocks are switched rhythmically |
| 02/04/1993 | DE4125050A1 Transmission fault recognising method for digitised low bit coded audio signal - providing data group frame on coding side with extra checking signal |
| 02/03/1993 | EP0525921A2 Data transmission with repetition, one of the messages being cryptic |
| 02/03/1993 | EP0525641A2 Communication system using trellis coded QAM |
| 01/27/1993 | EP0524625A2 Method and apparatus for communicating compressed video using trellis coded QAM |
| 01/26/1993 | US5182753 Method of transmitting signaling messages in a mobile radio communication system |
| 01/20/1993 | EP0523979A2 Low bit rate vocoder means and method |
| 01/20/1993 | EP0523816A2 Apparatus for transmitting streams of information bits and methods for estimating the most likely sequence sent |
| 01/20/1993 | EP0523571A1 Advanced code error detection apparatus and system using maximal-length pseudorandom binary sequence |
| 01/20/1993 | CN1068228A System and method for calculating channel gain and noise variance of communication channel |
| 01/19/1993 | US5181209 Method for generalizing the viterbi algorithm and devices for executing the method |
| 01/19/1993 | US5180232 Modular printer system |
| 01/14/1993 | DE4121478A1 Verfahren zum bestimmen des ursprungsortes von bitfehlern A method for determining the place of origin of bit errors |
| 01/13/1993 | EP0522759A2 Circuit for reliable switching over of signal processing circuits |
| 01/13/1993 | EP0522211A1 Testing a packet-based network |
| 01/12/1993 | US5179444 System for echo cancellation comprising an improved ghost cancellation reference signal |
| 01/12/1993 | CA1312676C Apparatus and method for identification of message initiation in a process control network |
| 01/07/1993 | WO1993000760A1 Process for determining the origin of bit errors |
| 01/07/1993 | WO1993000759A1 Process for finding the number of bit errors in a flow of data |
| 01/07/1993 | WO1993000758A1 Process for detecting the nature of data-falsifying interference |
| 01/07/1993 | WO1993000751A1 Method and apparatus for effecting efficient transmission of data |
| 01/07/1993 | CA2112462A1 Process for determining the origin of bit errors |
| 01/07/1993 | CA2112460A1 Process for detecting the nature of data-falsifying interference |
| 01/05/1993 | CA1312362C Fault detection signal transmission system |
| 01/03/1993 | WO1993001673A1 Method and system for calculating channel gain |
| 01/02/1993 | CA2068159A1 Generalized viterbi algorithm with tail-biting |
| 12/30/1992 | EP0520580A1 Method and devices for testing ATM connections |
| 12/30/1992 | EP0240363B1 Error correction methods |
| 12/29/1992 | US5175874 Radiotelephone message processing for low power operation |
| 12/29/1992 | US5175866 Fail-soft architecture for public trunking system |
| 12/29/1992 | CA2072516A1 Method and devices for testing atm connections |
| 12/23/1992 | WO1992022967A1 Method and apparatus for testing a packet-based network |
| 12/23/1992 | WO1992022891A1 Variable rate vocoder |
| 12/23/1992 | CA2635914A1 Error masking in a variable rate vocoder |
| 12/22/1992 | US5173926 Convolutionally-encoded quadrature frequency-modulation system |
| 12/22/1992 | US5173925 Demodulating system capable of accurately equalizing received signals using error correction codes |
| 12/16/1992 | EP0518511A2 Computer having I/O channel check and parity check detector |
| 12/15/1992 | US5172375 Multiple access satellite communication system for mini-earth station networks |
| 12/15/1992 | US5172232 Method and apparatus for communication channel identification and signal restoration |
| 12/15/1992 | CA1311528C Radio paging system with different transmission speeds and receivertherefor |
| 12/15/1992 | CA1311526C High speed data interface for land mobile communication system |
| 12/10/1992 | WO1992022162A1 Qam system in which the constellation is modified in accordance with channel quality |
| 12/10/1992 | WO1992022158A1 Bit-oriented data-transmission method, using an hdlc protocol, with enhanced error-detection capability |
| 12/10/1992 | WO1992022145A1 Battery saver for a communication device |
| 12/10/1992 | DE4218499A1 Transmission path fault detection system for token ring - employs composite fault search frame with IEEE 802.5 standard portion and annex contg. address of origin |
| 12/08/1992 | US5170401 High integrity single transmission line communication system for critical aviation information |
| 12/02/1992 | EP0516042A2 ATM cell error processing system |
| 12/02/1992 | EP0506750A4 Data error detection in data communications |
| 12/02/1992 | EP0504201A4 Error rate monitor |
| 12/02/1992 | EP0500761A4 Diversity receiver in a cdma cellular telephone system |
| 12/01/1992 | US5168510 Spread spectrum-time diversity communications systems and transceivers for multidrop area networks |
| 12/01/1992 | US5168509 Quadrature amplitude modulation communication system with transparent error correction |
| 12/01/1992 | US5168502 Method of information transmission in a network for data transmission over a radio channel and system for which the method is implemented |
| 12/01/1992 | US5168497 Packet communication processing method |
| 12/01/1992 | US5168271 Paging and time keeping system with transmission of time slot identification used for synchronization |
| 11/26/1992 | WO1992021195A1 Dual mode transmitter and receiver |
| 11/26/1992 | WO1992021086A1 Binary data error correction using hint signal |
| 11/24/1992 | WO1992021085A1 Method for error correction of a transmitted data word |
| 11/24/1992 | US5166933 Method for transmitting data and data transmitting apparatus including erroneous data distribution detector |
| 11/24/1992 | US5166890 Performance monitoring system |
| 11/24/1992 | US5166673 Method for controlling and/or monitoring a communication transmission equipment for transmission errors for the implementation of the method |
| 11/24/1992 | CA2084884A1 Method for error correction of a transmitted data word |
| 11/24/1992 | CA1310757C Method for editing a high-rate convolutional code for transmission and its reconversion at the receiver |
| 11/24/1992 | CA1310712C Sychronization failure detection |
| 11/19/1992 | EP0514152A2 Method of error processing consisting of the transmission of dummy data if the reception memory is saturated |
| 11/19/1992 | EP0514041A2 Digital data decoder using error information for selecting one of a plurality of transmissions |
| 11/19/1992 | EP0513527A2 High speed two wire modem |
| 11/19/1992 | EP0513226A1 Serial link data communication protocol |
| 11/17/1992 | US5164964 Diversity circuit and frame phase (or sampling timing) estimation circuit using the diversity circuit |
| 11/17/1992 | CA1310436C Tdm data transmission system |
| 11/17/1992 | CA1310370C Packet data communication system |
| 11/14/1992 | WO1992010894A1 Serial link data communication protocol |
| 11/14/1992 | CA2102914A1 Dual mode transmitter and receiver |
| 11/11/1992 | WO1992021202A1 A system for echo cancellation comprising a ghost cancellation reference signal |
| 11/11/1992 | WO1992021190A1 Fault detection and isolation of fiber to the curb systems |
| 11/11/1992 | EP0512882A1 Method and device for detection and control of digital message templates transmitted to a reception device |
| 11/11/1992 | CA2108179A1 Fault detection and isolation of fiber to the curb systems |
| 11/10/1992 | US5163069 Pattern synchronizing circuit and method |
| 11/10/1992 | US5163057 Method of and circuit arrangement for determining a cell loss and/or a cell insertion during traversal of a cell oriented transmission device by cell structured signals |
| 11/10/1992 | US5163055 Communications system using a fault tolerant protocol |
| 11/10/1992 | US5163054 Method for data transmission using a modified high level data link control protocal |
| 11/10/1992 | US5163051 Circuitry for testing a data system |
| 11/10/1992 | CA1310126C Decoding method and device with erasure detection for multilevel transmission systems |
| 11/05/1992 | DE4205171A1 Transmission of digital data over time and frequency selective channel - transmitting signals by different antennae using same carrier frequency and different coding |
| 11/04/1992 | EP0511886A1 Phase shifter with vector modulator |
| 11/04/1992 | EP0511744A2 Multiplex transmission between nodes with acquisition signals and CRC calculation |