Patents for H04L 1 - Arrangements for detecting or preventing errors in the information received (103,402) |
---|
04/21/1994 | DE4234603A1 RDS demodulator and error-corrector - delays received signals, demodulates and corrects errors according to threshold cross-over of demodulated signals |
04/20/1994 | EP0593404A1 Multi-processor Viterbi decoder for digital cellular base stations using pipeline processing |
04/20/1994 | EP0593260A2 Coding of data |
04/20/1994 | EP0295426B1 Method and apparatus for generating alert messages in a communication network |
04/20/1994 | CN1085713A Over plug-in-substraction positive (or negative) code speed regulating method & its apparatus |
04/20/1994 | CN1085712A Digital separating plug-in type positive (negative) code speed regulating method and its apparatus |
04/20/1994 | CN1085711A Digital positive/zero/negative code speed regulating method and apparatus |
04/19/1994 | US5305353 Method and apparatus for providing time diversity |
04/19/1994 | US5305352 For use in a receiver |
04/19/1994 | US5305325 Method and a device for supervising and testing majority voting |
04/19/1994 | US5305323 Technique for digitally detecting bit-error densities that occur in a serial bit stream |
04/19/1994 | US5305181 Arm or wrist mounted terminal with a flexible housing |
04/19/1994 | CA2006293C Non-intrusive transmission channel diagnostic device for a digital modem applied to a regenerative demodulator |
04/19/1994 | CA1328682C Method and apparatus for communication network alert record identification |
04/14/1994 | CA2108238A1 Multi-processor demodulator for digital cellular base station employing partitioned demodulation procedure with pipelined execution |
04/12/1994 | US5303266 Multimedia high speed network |
04/12/1994 | CA2066611C Error detection for fiber distributed interfaced optic link |
04/06/1994 | EP0394313B1 Paging terminal apparatus with message storage and retransmission capability and method therefor |
04/05/1994 | US5301197 Bit error ratio detector |
04/05/1994 | US5301194 Packet re-transmitting system for satellite communication system of the slotted-aloha type |
03/31/1994 | WO1994007314A1 Method for synchronising transmitter frequencies in common wave digital audio broadcast |
03/30/1994 | EP0589709A2 Multiresolution transmission system |
03/30/1994 | EP0588932A1 Variable rate vocoder |
03/29/1994 | US5299208 Enhanced decoding of interleaved error correcting codes |
03/29/1994 | US5299201 Method and apparatus for isolating faults in a network having serially connected links |
03/23/1994 | EP0588745A1 Multi-media analog/digital/optical switching apparatus |
03/23/1994 | EP0588104A2 Multipath torus switching apparatus |
03/23/1994 | EP0588025A2 Switch-based microchannel planar apparatus |
03/23/1994 | EP0587975A2 Diversity radio receiver |
03/23/1994 | EP0587792A1 Battery saver for a communication device |
03/23/1994 | EP0587620A1 Radio system |
03/22/1994 | US5297171 Receiver comprising at least two receive branches |
03/22/1994 | US5297164 Digital communications systems |
03/22/1994 | US5297163 Method for processing signals for signal transmission in the base band |
03/22/1994 | US5297143 Network communication protocol including a reliable multicasting technique |
03/18/1994 | CA2099024A1 Multi media analog/digital/optical switching apparatus |
03/17/1994 | WO1994006231A1 Digital signal transmission system using frequency division multiplex |
03/17/1994 | WO1994006080A1 Communications control unit and information transmission process |
03/16/1994 | EP0586554A1 Binary data error correction using hint signal |
03/15/1994 | US5295159 Coordinated coding for digital transmission |
03/15/1994 | US5295154 Radio frequency local area network |
03/15/1994 | US5295132 Multiplex transmission apparatus with transmission line fault detection |
03/09/1994 | EP0585427A1 Method and apparatus for estimating signal weighting parameters in a receiver |
03/09/1994 | EP0585420A1 Method and apparatus for estimating signal weighting parameters in a diversity receiver |
03/08/1994 | US5293520 Jitter analyzer |
03/02/1994 | EP0584918A1 Method of detecting the disconnection of a transmission line |
03/02/1994 | EP0584848A1 Method for testing a protocol, and system for applying the method |
03/02/1994 | EP0584248A1 Dual mode transmitter and receiver |
03/02/1994 | EP0315699B1 Method and system for checking errors of signal being transferred through transmission line |
03/02/1994 | CN1083293A Regenerative communication channel extender |
03/02/1994 | CN1083291A Modulator test system |
03/01/1994 | US5291519 Digital mobile communications terminal equipment and receiving method therefor |
03/01/1994 | US5291516 Dual mode transmitter and receiver |
02/23/1994 | EP0583385A1 Fault detection and isolation of fiber to the curb systems |
02/23/1994 | CN1082790A Signal Averager |
02/22/1994 | US5289501 Coded modulation with unequal error protection for fading channels |
02/22/1994 | US5289476 Transmission mode detection in a modulated communication system |
02/22/1994 | US5289473 Method for determining byte error rate |
02/22/1994 | US5289471 Digital communication apparatus having an error detecting section |
02/22/1994 | US5289459 Duplex data transmission |
02/16/1994 | EP0583172A1 Speech decoding apparatus and method of decoding |
02/16/1994 | EP0582848A2 Method of error detection in digital communication systems |
02/16/1994 | EP0582749A1 Error detection and correction device |
02/16/1994 | CN1082283A High-speed facility protection in a digital telecommunications system |
02/15/1994 | US5287374 Identification of encoder type through observation of data received |
02/15/1994 | US5287185 Method of correcting transmission error in digital color-television communication system and digital color-television communication system to work said method |
02/15/1994 | US5287180 Modulator/demodulater for compatible high definition television system |
02/15/1994 | CA1327061C Method for generating an alarm indication signal (ais) |
02/09/1994 | EP0582233A1 Adaptive receiver for multipath fading channels |
02/09/1994 | CN1081804A Group facility protection in a digital telecommunications system |
02/08/1994 | US5285481 For filtering an incoming data signal |
02/08/1994 | US5285478 Communication system utilizing self-similar signals |
02/08/1994 | US5285459 HDB3 code violation detector |
02/08/1994 | US5285458 System for suppressing spread of error generated in differential coding |
02/08/1994 | US5285450 Inband communications in a digital communications system |
02/08/1994 | US5285441 Errorless line protection switching in asynchronous transer mode (ATM) communications systems |
02/03/1994 | WO1994003002A1 Frequency hopping time-diversity communications systems and transceivers for local area networks |
02/02/1994 | EP0581477A1 Method and apparatus for error-controlled muting in a digital receiver |
02/01/1994 | US5283782 System switching method and apparatus without loss of signal in cell switching system of asynchronous transfer mode |
02/01/1994 | US5283780 Digital audio broadcasting system |
02/01/1994 | US5283531 Demodulation apparatus incorporating adaptive equalizer for digital communication |
02/01/1994 | CA2017802C Device for detecting losses in the signal received by a digital signal receiver |
01/27/1994 | DE4224214A1 Source controlled channel encoding method - expanding Viterbi algorithm to increase or decrease some states to give priority to certain information bits with apriori or aposteriori information. |
01/26/1994 | EP0580497A1 Data transmission system, especially optical system, for modification of transmission parameters depending on bit error rate measured at the receiver |
01/26/1994 | EP0580339A1 Modulators test systems |
01/26/1994 | EP0580282A2 Conversion of ISDN LAPB and ISDN LAPD frames |
01/26/1994 | CN1081298A A method and an arrangement for frame detection quality estimation in the receiver of a radio communication system |
01/26/1994 | CN1081296A Triple orthogonally interleaved error correction system |
01/25/1994 | US5282211 Slip detection during bit-error-rate measurement |
01/25/1994 | US5282209 Data word transmission system utilizing at least two transmission channels |
01/20/1994 | WO1994001950A1 Computer/telephone interface apparatus |
01/19/1994 | EP0579131A2 Method and system for detecting and correcting errors |
01/19/1994 | EP0579040A2 Connection protection in a digital telecommunications system |
01/19/1994 | EP0579029A2 Connection protection in a digital telecommunications system |
01/19/1994 | CN1081040A "method and apparatus for the formatting of data for transmission" |
01/19/1994 | CN1081039A Duplex communication control device |
01/19/1994 | CN1081038A Digital audio data muting system and method |
01/19/1994 | CN1081037A "method and system for the arrangement of vocoder data for the masking of transmission channel induced errors" |
01/18/1994 | US5280533 Coding method for skewed transition correction in parallel asynchronous communication systems |
01/18/1994 | US5280485 Coding method for skewed transition detection in parallel asynchronous communication system |