Patents
Patents for H04J 3 - Time-division multiplex systems (63,408)
03/2000
03/01/2000EP0982889A1 Electrical circuit with clock generator for generating an internal clock and corresponding method
03/01/2000EP0982888A1 Telecommunication system and method for synchronizing it and sending data
03/01/2000EP0982887A2 Apparatus and system for multiplexing and transmission of one or more digital channels, and apparatus and system for reception of those digital channels
03/01/2000EP0982875A2 Methods and apparatus for reducing cochannel interference in a mixed-rate communication system
03/01/2000EP0982068A2 Method of fabricating ceramic membranes
03/01/2000EP0981926A1 Method and apparatus for formatting synchronous and asynchronous data
03/01/2000EP0981873A1 Method and apparatus for providing synchronization during transcoder switching in a communication system
03/01/2000EP0873593A4 Timing adjustment control for efficient time division duplex communication
03/01/2000EP0830756A4 Asymmetric hybrid access system and method
03/01/2000EP0673582B1 Reprogrammable terminal for suggesting programs offered on a television program delivery system
03/01/2000EP0648396B1 A method of distinguishing in serial digital bit streams between at least two types of time slots in a bit stream receiver
03/01/2000CN1246011A Low-flutter and low-overhead nonsynchronous data communication system
02/2000
02/29/2000US6032261 Bus bridge with distribution of a common cycle clock to all bridge portals to provide synchronization of local buses, and method of operation thereof
02/29/2000US6032181 Interactive distribution system for digital audio-video signals
02/29/2000US6031906 Digital loop carrier system with automatic reprovisioning of dedicated lines
02/29/2000US6031846 Method and apparatus for improved time division multiple access (TDMA) communication
02/29/2000US6031842 Low latency shared memory switch architecture
02/29/2000US6031841 RSVP support for upstream traffic
02/29/2000US6031840 Telecommunications system
02/29/2000US6031832 Method and apparatus for improving performance of a packet communications system
02/29/2000US6031829 Base transceiver station for cellular mobile radio system and system for synchronizing such base transceiver stations
02/29/2000US6031824 Maintenance and supervisory control method and system for multiplex communication equipment
02/29/2000US6031575 Method and apparatus for encoding an image signal, method and apparatus for decoding an image signal, and recording medium
02/29/2000CA2278392A1 Extended range concentric cell base station
02/27/2000CA2276958A1 Frame based data transmission over synchronous digital hierarchy network
02/26/2000CA2281078A1 Method of fabricating ceramic membranes
02/24/2000WO2000010307A2 Adaptive rate network communication system and method
02/24/2000WO2000010298A1 A flexible frame structure for a cdma wireless network
02/24/2000WO2000010276A1 A procedure to activate and deactivate the source or sink of a tandem connection in a telecommunication network, and the source and sink for such a tandem connection
02/24/2000WO2000010275A1 Bi-directional communications protocol
02/24/2000WO2000010273A2 Method and apparatus for bandwidth management in a digital loop carrier system
02/24/2000WO2000010261A2 Changing a faulty radio channel
02/24/2000WO2000002335A3 Source adaptive digital subscriber line and method
02/24/2000DE19837358A1 Verfahren zur digitalen Übertragung von Informationen und/oder Daten auf einer Übertragungsstrecke Method for the digital transmission of information and / or data on a transmission path
02/24/2000DE19837324A1 Word clock regeneration for data transmission using pulse position modulation has a register and logic circuitry for generation of a stabilized clock signal output
02/24/2000DE19836576A1 Radio channel change method especially for mobile radio system
02/24/2000CA2321527A1 A flexible frame structure for a cdma wireless network
02/23/2000EP0981258A2 Method for the digital transport of information and/or data over a transmission link
02/23/2000EP0981226A1 Communication control system
02/23/2000EP0981216A2 Fault detection and isolation in a synchronous optical network (SONET) and in a synchronous digital hierarchy (SDH) network
02/23/2000CN1245623A Adaptive channel allocation method and apparatus for multi-slot, multi-carrier communication system
02/23/2000CN1245604A Inter-ring cross-connect for survivable multi-wavelength optical communication networks
02/23/2000CN1245600A System for improving quality of received radio signal
02/22/2000US6029197 Management information base (MIB) report interface for abbreviated MIB data
02/22/2000US6028934 TD multiplexing digital video signals with scramble of scrambling stages more than one greater in number than the video signals
02/22/2000US6028868 Apparatus and method of synchronizing a transmitter in a subscriber terminal of a wireless communications system
02/22/2000US6028849 Communication timing control arrangement and method thereof
02/22/2000US6028845 Communication-line-quality measuring system using a conventional signal frame structure
02/22/2000US6028841 Distributed bus throttle and method
02/22/2000US6028839 Process for the joint use of a timer-multiplex transmission channel by plurality of transmitters
02/22/2000CA2083725C Multiplexed coded modulation with unequal error protection
02/22/2000CA2034935C System for the transmission of data packets
02/21/2000CA2275914A1 Methods and apparatus for reducing cochannel interference in a mixed-rate communication system
02/20/2000CA2277493A1 Fault detection and isolation in a synchronous optical network (sonet) and in a synchronous digital hierachy (sdh) network
02/17/2000WO2000008800A2 Synchronizing source-synchronous links in a switching device
02/17/2000WO2000008786A1 Circuit and method for receiving and transmitting data
02/17/2000WO1999059298A3 Methods and apparatuses for providing synchronization in a communication network
02/17/2000WO1999049717A3 System and method for multicasting multimedia content
02/17/2000DE19836254A1 Activation and deactivation of source and drain of tandem connection in telecommunications network for testing quality of data in specific transmission section
02/17/2000CA2338867A1 Circuit arrangement and method for receiving and transmitting data
02/16/2000EP0980161A1 Digital data receiver
02/16/2000EP0980158A1 Method and interface for interconnection using high bit rate serial links
02/16/2000EP0980153A2 A method for formatting and conveying information in a wireless telecommunication system
02/16/2000EP0980152A1 A time slot including reference symbols used in a CDMA type transmission network
02/16/2000EP0979563A1 Secondary channel for radio frequency communications
02/16/2000EP0979506A1 Apparatus and method for rate determination in a communication system
02/16/2000EP0834123B1 Machine control module for a processor
02/16/2000CN1244996A Method and apparatus for improving performance of a packet communications system
02/16/2000CN1244977A Method and apparatus for facilitating inbound channel access
02/16/2000CN1244755A Fixed length data processing apparatus
02/16/2000CN1244754A Fixed length data processing apparatus
02/16/2000CN1244753A Method and system for synchronous time-division duplex receiving and transmitting unit
02/16/2000CN1244750A Warn clearning method for optic transport device
02/15/2000US6026098 Line multiplexing system
02/15/2000US6026091 ATM gateway system
02/15/2000US6026083 Transmission of control messages in digital telephony
02/15/2000US6026082 Wireless communication system
02/15/2000US6026076 Detecting digital multiplexer faults
02/15/2000US6026074 Method for synchronizing transmissions at a constant bit rate in ATM networks and circuit arrangements for carrying out the method
02/15/2000CA2202955C Isdn d channel restoration without loss of signaling or packet data
02/15/2000CA2171029C Slot assign system with each peripheral station pre-assigned
02/15/2000CA2152946C Layer 2 protocol in a cellular communication system
02/15/2000CA2145017C Cell multiplexer having cell delineation function
02/15/2000CA2144837C Switching equipment
02/10/2000WO2000007387A1 Information transmission method
02/10/2000WO2000007386A1 Information transmission system
02/10/2000WO2000007352A1 Control channel for modem communication
02/10/2000WO2000007342A1 Communication device and method
02/10/2000WO2000007340A1 Method, system and apparatus for sending and receiving information
02/10/2000WO2000007314A1 Method and apparatus for registering remote service units in a multipoint communication system
02/10/2000WO2000007313A1 Method and system for improved sonet data communications channel
02/10/2000WO1999067921A3 Method for digital radio transmission of data from several subscribers
02/10/2000CA2338812A1 Method and system for improved sonet data communications channel
02/10/2000CA2305594A1 Communication device and method
02/10/2000CA2305263A1 Information transmission method
02/10/2000CA2305152A1 Method, system and apparatus for sending and receiving information
02/10/2000CA2304606A1 Information transmission system
02/10/2000CA2279754A1 A time slot including reference symbols used in a cdma type transmission network
02/09/2000EP0978969A2 Method and device for demodulating a received signal including a pilot signal
02/09/2000EP0978968A2 High speed cross point switch routing circuit with word-synchronous serial back plane