Patents
Patents for H04J 3 - Time-division multiplex systems (63,408)
12/1998
12/09/1998EP0883316A1 System and method for providing local services to a wireless telephone served by another system
12/09/1998EP0806100A4 Grooming device for streamlining telecommunication signals
12/09/1998EP0763294A4 Apparatus and method for limiting jitter in a telecommunications signal
12/09/1998EP0763293A4 Apparatus and method for limiting jitter caused by pointer movement
12/09/1998CN1201585A Wideband base station structure for digitl cellular telecommunication system
12/09/1998CN1201356A System and method for dynamically allocating channel
12/09/1998CN1201312A Fixed user's unit for telecommunication
12/09/1998CN1201307A Radio equipment for time-division multi-address system and regulation circuit for output electric-level of synthesizer
12/09/1998CN1201305A Communication system, radio system and method
12/08/1998US5848070 Multiframe structure and handling protocol for a telecommunication network
12/08/1998US5848067 AAL1 processing method and apparatus for parallelly executing sequence number processing and pointer comparison processing in ATM cell disassembly apparatus
12/08/1998US5848065 Optimized universal card slot system for sonet multiplex equipment
12/08/1998US5848060 Cellular/satellite communications system with improved frequency re-use
12/08/1998US5848057 Apparatus for estimating variable bit rate (VBR) video traffic, and method therefor
12/08/1998US5848028 Method and apparatus for synchronizing clocks coupled to network
12/08/1998US5847751 CATV communication system remote hub for distribution of digital, analog, broadcast and interactive communications
12/08/1998CA2096401C Group facility protection in a digital telecommunications system
12/03/1998WO1998054858A1 System, device, and method for sharing contention mini-slots among multiple priority classes
12/03/1998WO1998054857A1 Method and apparatus for splicing complete transport streams from multiple sources
12/03/1998WO1998044665A3 Method and system therefor of confining path verification signals within a distributed restoration network
12/03/1998DE19822146A1 Communication apparatus for electrical components in vehicle
12/02/1998EP0881853A1 Method and arrangement for prioritized data transmission
12/02/1998EP0881840A2 Information stream frame synchronization
12/02/1998EP0881797A2 System and method for achieving efficient coordination of protection switching
12/02/1998EP0881794A2 Apparatus for reducing jitter in a desynchronizer
12/02/1998EP0881785A1 Telecommunication system, radio system, and method
12/02/1998EP0763291A4 Frequency agile broadband communications system
12/02/1998EP0719484A4 Broadband communications system
12/02/1998CN1200864A Method and appartus for frequency planning in a multi-system cellular communications network
12/02/1998CN1200854A System for managing telecommunications
12/02/1998CN1200613A Method and system for data communications using synchronizing signals of different data length
12/02/1998CN1200599A Plesiochronous digital hierarchy low speed signal switching system digital phase-locked loop
12/01/1998US5845196 Radio communication apparatus and method
12/01/1998US5845089 Multimedia information processing apparatus
12/01/1998US5844924 Main signal memory supervisory control system using odd-even alternative check
12/01/1998US5844907 Synchronization determining circuit, demodulator and communication system
12/01/1998US5844906 Automatic synchronization of continuous bit rate ATM cells in a point-to-multipoint broadband access network
12/01/1998US5844900 Method and apparatus for optimizing a medium access control protocol
12/01/1998US5844891 Cell-based clock recovery device
12/01/1998US5844889 Different system transfer method for a ring transmission system and transmission apparatus
12/01/1998US5844885 Method and apparatus of providing bit count integrity and synchronous data transfer over a channel which does not preserve synchronization
12/01/1998US5844436 Method of recovering a sampling clock in a framed data communications format with reduced phase jitter and wander
12/01/1998CA2039786C Ring communication system
11/1998
11/29/1998CA2236680A1 Telecommunication system, radio system, and method
11/26/1998WO1998053569A1 Method and apparatus for facilitating an interface to a digital signal processor
11/26/1998WO1998053568A1 Bi-directional channel analysis
11/26/1998WO1998053394A1 Method of routing and multiplexing demands in a telecommunications network
11/26/1998WO1998038758A3 Orthogonal code synchronization system and method for spread spectrum cdma communications
11/26/1998WO1998037706A3 Method and apparatus for allocating spectral resources in a wireless communication system
11/26/1998WO1998034388A3 Method and apparatus for reliable operation of universal voice grade cards
11/26/1998WO1998028901A3 Distributed voice processing system
11/26/1998DE19747370C1 Multiple access wireless mobile telecommunication system
11/26/1998CA2290337A1 Bi-directional channel analysis
11/25/1998EP0880248A1 Circuit for detecting synchronizing signal in frame synchronization data transmission
11/25/1998EP0880247A2 Time-division multiplexing transmission system
11/25/1998EP0879513A1 N:1 transcoder
11/25/1998EP0879512A1 E1 compression control method
11/25/1998EP0788696B1 Network interfacing method and a network interface for a digital transmission network
11/25/1998CN1199965A Plug-in sharer for optical digital transmission equipment
11/24/1998US5842007 Method and system for transferring high level control messaging framing and payload data in a serial stream in a communications system
11/24/1998US5841937 Apparatus and methods for transmitting compressed digital data from recording or reproducing apparatus
11/24/1998US5841806 Method and apparatus for the transmission of energy-scaled variable rate data
11/24/1998US5841779 Hierarchical synchronization method
11/24/1998US5841763 Audio-video conferencing system
11/24/1998US5841762 Method of operating a utilization monitoring system
11/24/1998US5841761 System for detecting a connection state between two nodes in a digital communication network
11/24/1998US5841760 Transparent multiplexer/demultiplexer
11/24/1998US5841759 Automated path verification for shin-based restoration
11/24/1998CA2102407C Method and apparatus for modifying a decision-directed clock recovery system
11/24/1998CA2102406C Apparatus for and method of synchronizing a clock signal
11/24/1998CA2102194C Phase adjustment method and apparatus for use in a clock recovery circuit
11/24/1998CA2094991C Image coding/decoding apparatus
11/19/1998WO1998052380A1 Method and apparatus for formatting synchronous and asynchronous data
11/19/1998WO1998052315A1 Method of transmitting variable-length frame, transmitter, and receiver
11/19/1998WO1998052312A2 Method and apparatus for superframe bit allocation in a discrete multitone (dmt) system
11/19/1998WO1998035466A3 Synchronization of telecommunications network
11/19/1998DE19820658A1 Plesiochronous digital hierarchy low-velocity DPLL
11/18/1998EP0878979A1 TDM switching unit
11/18/1998EP0878978A2 Multi-directional multiplex communication system and ISDN servicing method therein
11/18/1998EP0878977A2 Improvements in an SDH-network provided with a shared protection system
11/18/1998EP0878929A2 Generation of primary rate clocks from correction values derived from the received synchronous residual time stamp
11/18/1998EP0878924A2 Time-division multiple-access communication system
11/18/1998EP0878110A1 Synchronized electronic network including backup masters
11/18/1998EP0878100A1 Propagation delay determination procedure
11/18/1998EP0878098A2 Method for universal messaging and multiplexing
11/18/1998EP0878079A1 Self-healing network
11/18/1998EP0878076A1 Virtual time loop
11/18/1998EP0878074A1 A method for reducing transients in a clock signal generating system
11/18/1998EP0878071A1 Cell aligners
11/18/1998EP0878067A1 Self-interference cancellation for two-party relayed communication
11/18/1998EP0878064A1 Code-modulated transmission process and transmission system operating according thereto
11/18/1998EP0761042A4 Method and apparatus for mitigating interference in a communication system
11/18/1998CN1199526A ATM transport system
11/18/1998CN1199523A Time multiplexing/demultiplexing method
11/18/1998CN1199314A Communication method, transmitter, and receiver
11/17/1998US5838959 Programmable data port clocking system with automatic disable and noise suppression for asynchronous transfer mode systems
11/17/1998US5838913 Control message transmission in telecommunications systems
11/17/1998US5838746 Radio communication system permitting of management of variable transmission delays
11/17/1998US5838745 Synchronization method, and associated circuitry, for improved synchronization of a receiver with a transmitter using nonlinear transformation metrics
11/17/1998US5838698 In a telecommunication apparatus