| Patents for H04J 3 - Time-division multiplex systems (63,408) |
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| 09/16/1997 | US5668800 Path testing in communications networks |
| 09/16/1997 | US5668796 Duplexing and switching system and method in a multiplexed system |
| 09/14/1997 | CA2200096A1 Apparatus for reducing transmission capacity |
| 09/12/1997 | WO1997033399A1 Method and system for transmitting background noise data |
| 09/12/1997 | WO1997033398A1 Sdh multiplexer with aim facilities |
| 09/12/1997 | WO1997033396A2 Network synchronisation |
| 09/12/1997 | WO1997033394A1 Wireless communication system with dynamic channel allocation |
| 09/12/1997 | WO1997033385A1 Process and design for improving the utilization rate of telecommunications channels in locally concentrated, asynchronous wireless telecommunications systems |
| 09/12/1997 | WO1997033383A1 A random access scheme for mobile satellite communications |
| 09/12/1997 | WO1997025791A3 Process for the joint use of a time-multiplex transmission channel by a plurality of transmitters |
| 09/12/1997 | CA2247960A1 Method and arrangement for improving the degree of utilization of telecommunication channels in locally concentrated, asynchronous, wireless telecommunication systems |
| 09/10/1997 | EP0794637A2 Switch coupled between input and output ports in communication system |
| 09/10/1997 | EP0794626A2 SDH telecommunication network |
| 09/10/1997 | EP0794625A2 Method and system for transmitting audio-associated text information in a multiplexed transmission stream |
| 09/10/1997 | EP0794485A1 Method and device for bit pattern detection |
| 09/10/1997 | EP0793879A1 Optical network |
| 09/10/1997 | EP0667089B1 Arrangement for controlling a transmitter-receiver pair, in particular base stations and mobile units of a cordless telephone system |
| 09/10/1997 | EP0561880B1 Tdma ranging |
| 09/10/1997 | CN1159266A Data bus system comprising resource control means |
| 09/10/1997 | CN1159263A Apparatus and method for synchronizing base sites individually in communication system |
| 09/10/1997 | CN1159111A Clock generating circuit and method for exchange system |
| 09/09/1997 | US5666366 Inter-base synchronization technique for a TDMA communication system |
| 09/09/1997 | US5666358 Method and apparatus for supporting TDMA operating over hybrid fiber coaxial (HFC) or other channels |
| 09/09/1997 | US5666351 Method for disassembling and assembling frame structures containing pointers |
| 09/09/1997 | US5666350 Apparatus and method for coding excitation parameters in a very low bit rate voice messaging system |
| 09/09/1997 | US5666330 Disciplined time scale generator for primary reference clocks |
| 09/09/1997 | CA2063421C Synchronization and equalization in a tdma cellular system |
| 09/04/1997 | WO1997032420A1 Circuitry and method for transmitting voice and data signals upon a wireless communication channel |
| 09/04/1997 | WO1997032413A1 Multiple access communications system and method using code and time division |
| 09/04/1997 | WO1997032412A1 Subtractive multicarrier cdma access methods and systems |
| 09/04/1997 | WO1997032392A1 Method and apparatus for determining the change in frequency of a reference signal |
| 09/04/1997 | CA2247898A1 Method and apparatus for determining the change in frequency of a reference signal |
| 09/03/1997 | EP0793360A2 Antenna array with processing delay as a multiple of the time slot duration |
| 09/03/1997 | EP0793358A2 Output power control device |
| 09/03/1997 | EP0792545A1 Integrated multi-fabric digital cross-connect integrated office links |
| 09/03/1997 | EP0759239A4 Apparatus for exchanging data between a central station and a plurality of wireless remote stations |
| 09/03/1997 | EP0695484A4 Time alignment in a cdma system |
| 09/03/1997 | CN1158522A Method and apparatus for simultaneous voice/data transmission |
| 09/02/1997 | US5663957 Dual mode satellite/cellular terminal |
| 09/02/1997 | US5663954 Frame timing control of time division multiple access |
| 09/02/1997 | US5663949 Line protection switching system in duplexed fiber interface shelf |
| 08/28/1997 | WO1997031443A1 Channel selection in an optical tdma network |
| 08/28/1997 | WO1997031436A1 Dark pulse tdma optical network |
| 08/28/1997 | CA2245716A1 Dark pulse tdma optical network |
| 08/27/1997 | EP0792039A2 Simultaneous transfer of voice and data information using multi-rate vocoder and byte control protocol |
| 08/27/1997 | EP0792038A1 Monitoring system of a multi-wavelength ring network |
| 08/27/1997 | EP0792037A1 Feed forward generation of a clock signal |
| 08/27/1997 | EP0792015A2 Radio selective call receiver capable of adjusting radio signal level |
| 08/27/1997 | EP0791254A1 Transmission system for synchronous and asynchronous data portions |
| 08/27/1997 | EP0791253A1 An audio transceiver |
| 08/27/1997 | EP0651924B1 Method for the cellization and the decellization of tributary units in a stm-1 frame of a telecommunication system of the synchronous digital hierarchy type (sdh) |
| 08/27/1997 | CN1158070A Apparatus for embodying combined time switching and conference calling functions |
| 08/27/1997 | CN1158032A Order-wire signal handling apparatus |
| 08/26/1997 | US5661778 For use with a telephone communication network |
| 08/26/1997 | US5661765 Receiver and transmitter-receiver |
| 08/26/1997 | US5661764 Slot reception synchronization circuit |
| 08/26/1997 | US5661763 Apparatus and method for detecting programmable length bit pattern in serial digital data stream |
| 08/26/1997 | US5661726 Advanced communication system architecture |
| 08/26/1997 | US5661720 Multi-ring network having plural rings connected by node |
| 08/26/1997 | US5661700 Synchronizable local clock for industrial controller system |
| 08/21/1997 | WO1997023051A3 Radio apparatus |
| 08/21/1997 | DE19706085A1 Digital telecommunication system with transition from first to second carrier frequency |
| 08/20/1997 | EP0789955A1 Method and apparatus for channel estimation |
| 08/20/1997 | EP0789954A1 Method and arrangement for separating signals operating in the same channel |
| 08/20/1997 | EP0754378A4 High speed bidirectional digital cable transmission system |
| 08/20/1997 | EP0669026A4 Method and apparatus for detecting bad frames of information in a communication system. |
| 08/20/1997 | EP0587664B1 Communications network and method |
| 08/20/1997 | CN1157684A System and method for telecommunication |
| 08/20/1997 | CN1157517A Reformatting of variable rate data for fixed rate communication |
| 08/20/1997 | CN1157514A Device and method for multiplexing cells of asynchronous transmission mode |
| 08/20/1997 | CN1157511A Synchronous digital transmission system |
| 08/20/1997 | CN1157510A Clock signal testing apparatus for use in synchronous transmission system |
| 08/19/1997 | US5659719 Data multiplex circuit |
| 08/19/1997 | US5659573 Method and apparatus for coherent reception in a spread-spectrum receiver |
| 08/19/1997 | US5659569 Data burst randomizer |
| 08/19/1997 | US5659541 Method of preventing the accumulation of transmission delays |
| 08/19/1997 | US5659540 Apparatus and method for detection of operation administration and management (OAM) cell loopback and physical loopbacks in an asynchronous transfer mode (ATM) network |
| 08/19/1997 | US5659350 Operations center for a television program packaging and delivery system |
| 08/19/1997 | CA2063047C Routing system for linear add-drop multiplexer |
| 08/14/1997 | WO1997029566A1 Transmission equipment for an interexchange connection |
| 08/14/1997 | WO1997029565A1 N:1 transcoder |
| 08/14/1997 | WO1997029564A1 E1 compression control method |
| 08/13/1997 | EP0788717A1 Digital data packet multiplexer, in particular for digital television |
| 08/13/1997 | EP0788716A1 Digital data packet multiplexer, in particular for digital television |
| 08/13/1997 | EP0788715A1 Digital data packet multiplexer, particularly for digital television |
| 08/13/1997 | EP0788696A1 Network interfacing method and a network interface for a digital transmission network |
| 08/13/1997 | EP0788695A1 Method for disassembling and assembling frame structures containing pointers |
| 08/13/1997 | EP0788694A1 Method and equipment for elastic buffering in a synchronous digital telecommunication system |
| 08/13/1997 | EP0788687A1 Communication method and apparatus with transmission of a second signal during absence of a first one |
| 08/13/1997 | EP0621998B1 Method and apparatus for the formatting of data for transmission |
| 08/13/1997 | CN1157072A Telecommunication network with improved access protocol |
| 08/12/1997 | US5657420 Variable rate vocoder |
| 08/12/1997 | US5657358 Subscriber RF telephone system for providing multiple speech and/or data signals simultaneously over either a single or plurality of RF channels |
| 08/12/1997 | US5657342 Adaptive data rate packet communication system |
| 08/12/1997 | US5657323 Method and apparatus for signal transmission in a communication system |
| 08/12/1997 | US5657318 Phase-comparison bit synchronizing circuit |
| 08/12/1997 | US5657316 Data length compensating device for compensating lost cells in packet data composed of a plurality of cells |
| 08/12/1997 | US5657315 System and method for ring latency measurement and correction |
| 08/12/1997 | US5657134 Digital circuit multiplier equipment for handling of facsimile signals by addition of controlled variable delay to facsimile control channel signals |
| 08/12/1997 | US5656646 Mixtures of polymers of monoethylenically unsaturated dicarboxylic acids and polymers of ethylenically unsaturated monocarboxylic acids and/or polyaminocarboxylic acids and their use |