Patents
Patents for H04L 1 - Arrangements for detecting or preventing errors in the information received (103,402)
12/1996
12/08/1996CA2170469A1 Signal processing apparatus and method
12/05/1996WO1996038999A1 Cdma mobile communication method, system, and mobile station equipment
12/05/1996WO1996038923A1 Method and apparatus for determining burst errors in an error pattern
12/05/1996WO1996038922A1 Method for detecting and correcting transmission error of digital signal
12/04/1996EP0746123A1 Method and device for fast synchronisation of received data blocks comprising a checksum field
12/04/1996EP0745290A1 A high-data-rate wireless local-area network
12/04/1996CN1137204A Packet communication system capable of rapidly confirming receipt of downward packet signals
12/03/1996US5581688 Tele- and data communication system
12/03/1996US5581583 Optimizing the analog BER function in a spatial angular diversity digital radio receiver
12/03/1996US5581580 Low complexity model based channel estimation algorithm for fading channels
12/03/1996US5581577 For use in a digital communication system
12/03/1996US5581575 Method and apparatus for transmission of variable rate digital data
12/03/1996US5581481 System for storage and retrieval of JPEG images
12/03/1996CA2177897A1 Method for synchronizing a received data block comprising information data and subsequent checksum field, and a device for carrying out the method
11/1996
11/28/1996WO1996037964A1 Sound decoding device
11/28/1996WO1996037878A1 Transmitting data from frame-scanning display device
11/28/1996CA2221608A1 Transmitting data from frame-scanning display device
11/27/1996EP0744847A1 Redundant data transmission system using at least two channels
11/27/1996CN1136740A Error detecting apparatus for packet exchanger
11/27/1996CN1136691A Broadcast type network kara OK system containing supplement communication channels
11/26/1996US5579369 For use in a communications system
11/26/1996US5579341 Multi-channel digital transceiver and method
11/26/1996US5579339 Method for concurrent monitoring of multiple communications
11/26/1996US5579303 Data transmission apparatus
11/26/1996CA2079287C Coded modulation with unequal error protection for fading channels
11/26/1996CA1338742C Method and apparatus for testing twisted-pair interconnections of a high-speed local area network
11/21/1996WO1996024989A3 Multi-point to point communication system
11/20/1996EP0743764A2 Terminal, network, and communication system
11/20/1996CN1136372A Method of decoding a non-coherently demodulated signal and circuits of decoder and system thereof
11/19/1996US5577096 Transmission system having stand-by line switching facility
11/19/1996US5577087 Variable modulation communication method and system
11/19/1996US5577054 Device and method for performing error detection on an interleaved signal portion, and a receiver and decoding method employing such error detection
11/19/1996US5577053 Method and apparatus for decoder optimization
11/19/1996US5577046 Automatic retransmission request
11/19/1996US5577024 Multiple access radio system
11/19/1996US5575740 Striding exerciser with upwardly curved tracks
11/16/1996CA2614843A1 Serving signals
11/14/1996WO1996036150A1 Sliding-window data flow control using an adjustable window size
11/14/1996WO1996036147A1 Detection of loop-back conditions on faulty digital trunks
11/14/1996WO1996036146A1 Non-transparent data transmission in a digital telecommunications system
11/14/1996WO1996028944A3 A two-way paging system and apparatus
11/14/1996CA2220548A1 Detection of loop-back conditions on faulty digital trunks
11/14/1996CA2193511A1 Non-transparent data transmission in a digital telecommunications system
11/13/1996EP0741938A1 Distributed chassis agent for network management
11/13/1996CN1135815A Multipath search processor for a spread spectrum multiple access communication system
11/13/1996CN1135697A Device for correcting phase-error of residual sideband signal
11/13/1996CN1135685A Multi-level coding for decimalplace
11/12/1996US5574996 Enhanced sleep mode in radiocommunication systems
11/12/1996US5574788 Trunked radio repeater system
11/12/1996US5574751 Method for a soft-decision modulation system
11/12/1996US5574718 Signal protection and monitoring system
11/12/1996US5574495 Cable television data path error analyzer located at the set-top terminal
11/12/1996CA2064758C Communication signal having a time domain pilot component
11/07/1996WO1996035268A1 Method of receiving and searching a signal transmitting in bursts
11/06/1996EP0741471A1 Non-intrusive measurement of telephone transmission line quality
11/06/1996EP0741470A2 Data communication apparatus with error correction mode
11/06/1996EP0741469A2 Apparatus and methods for decoding a communication signal
11/06/1996EP0741468A2 Network karaoke system of broadcast type having supplementary communication channel
11/06/1996EP0740873A1 A communication network providing wireless and hard-wired dynamic routing
11/06/1996CN1135274A Control and communications apparatus
11/06/1996CN1135273A Method and system for communicating messages
11/05/1996US5572622 Rejected frame concealment
11/05/1996US5572555 Serial code format optimized for remote control applications over noisy communications channel
11/05/1996US5572262 Receiver based methods and devices for combating co-channel NTSC interference in digital transmission
10/1996
10/31/1996WO1996034480A1 Method and apparatus for providing variable rate data in a communications system using statistical multiplexing
10/31/1996WO1996034463A1 High integrity transport for time critical multimedia networking applications
10/31/1996WO1996034374A2 Wireless communication system for reliable communication between a group of apparatuses
10/31/1996WO1996034294A1 Non-invasive digital communications test system
10/31/1996CA2219379A1 High integrity transport for time critical multimedia networking applications
10/30/1996EP0740438A1 Method and apparatus for detecting cyclic code
10/30/1996EP0740435A2 Alignment of parity bits to eliminate errors in switching from an active to a standby processing circuit
10/29/1996US5570467 Method and apparatus for locating a digital control channel in a radiocommunication system
10/29/1996US5570394 Signal transmission system
10/29/1996US5570389 Method for reliable exchange of modem handshaking information over a cellular radio carrier
10/29/1996US5570382 Clock signal fault detector
10/29/1996US5570379 Coded modulation apparatus
10/29/1996US5570377 Method and device for detection and correction of errors in ATM cell headers
10/29/1996US5570369 Reduction of power consumption in a mobile station
10/29/1996US5570367 Asymmetric protocol for wireless communications
10/29/1996US5570357 Testing the characteristics of an ATM connection between two points of an ATM network using ATM test cells
10/29/1996US5570345 Protection switching system with single line control
10/29/1996US5570344 Synchronous digital hierarchy transmission device and method for exchanging synchronous digital hierarchy transmission device units
10/24/1996WO1996033589A2 Multiple hyperband radiocommunications system
10/24/1996WO1996033586A1 Temporary frame identification for arq in a reservation-slotted-aloha type of protocol
10/24/1996WO1996033559A2 Concealment method and arrangement and reproducing apparatus provided with the concealment arrangement
10/23/1996EP0739117A1 Digital radio communication equipment
10/23/1996EP0738973A1 Data transfer method and device
10/23/1996EP0491868B1 Error detection for fiber distributed interfaced optic link
10/23/1996CN1134072A Data transfer circuit
10/22/1996US5568645 Versatile RF data capture system
10/22/1996US5568523 Method and apparatus for adaptively canceling interference signals
10/22/1996US5568513 Standby power savings with cumulative parity check in mobile phones
10/22/1996US5568483 Method and apparatus for the formatting of data for transmission
10/22/1996US5568202 System for echo cancellation comprising an improved ghost cancellation reference signal
10/22/1996US5567925 Data collection terminal
10/17/1996WO1996032790A1 Data network switch with fault tolerance
10/17/1996WO1996032781A1 Data transmission method, and transmitter
10/17/1996WO1996032718A1 Data processing method for generating error correction product code block, data processing method for recording data in recording medium, and data processing device for data
10/17/1996WO1996027963A3 Method and apparatus to improve pstn access to wireless subscribers using a low bit rate system
10/17/1996WO1996027962A3 Error protected multichannel digital data transmission system and method having graceful degration quality through multi-resolution, and transmitter station and receiver station for use in such system