Patents for H04J 3 - Time-division multiplex systems (63,408) |
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02/18/1999 | WO1999008412A1 Device and method for transmitting digital data, device and method for demodulating digital data, and transmission medium |
02/18/1999 | WO1999008410A2 Method for modelling and realising connections in an sdh digital cross-connect |
02/18/1999 | WO1999008409A1 A method and an apparatus for the clock recovery in the transport of constant bit rate services over asynchronous transfer mode |
02/18/1999 | WO1999008407A2 Device for transmitting data to mobile radio telephone networks |
02/18/1999 | DE19733336A1 Verfahren und Funkstation zur Datenübertragung Procedures and radio station for data transmission |
02/17/1999 | EP0897237A2 TDMA communication device and method |
02/17/1999 | EP0896783A1 Channel allocation method for a packet network |
02/17/1999 | EP0896762A1 Multiple input frequency locked loop |
02/17/1999 | EP0700600B1 Digital controlled crystal oscillator |
02/17/1999 | EP0674824B1 Television program delivery system |
02/17/1999 | EP0673580B1 An operation center for a television program packaging and delivery system |
02/17/1999 | EP0673570B1 Multiplexer and demultiplexer |
02/16/1999 | US5873058 Voice coding-and-transmission system with silent period elimination |
02/16/1999 | US5873044 Method and apparatus in a radio communication system for synchronizing transmissions while maintaining full user traffic |
02/16/1999 | US5872854 Device and method for multi-processing EVR adjustment |
02/16/1999 | US5872823 Reliable switching between data sources in a synchronous communication system |
02/16/1999 | US5872821 Arrangement for generating digital signals |
02/16/1999 | US5872820 Synchronization in TDMA systems in a non-realtime fashion |
02/16/1999 | US5872789 Method for reducing jitter of ATM cells |
02/16/1999 | US5872780 Method for transferring data in a synchronous optical network element |
02/16/1999 | US5872774 Mobile station assisted timing synchronization in a CDMA communication system |
02/16/1999 | US5872769 For use in a communications network |
02/16/1999 | US5872645 Telecommunications network |
02/16/1999 | US5872477 Multiplexer with CMOS break-before-make circuit |
02/16/1999 | CA2109877C Clock recovery circuit |
02/16/1999 | CA2109131C Digital loop carrier system |
02/16/1999 | CA2104753C Bandwidth allocation, transmission scheduling, and congestion avoidance in broadband atm networks |
02/16/1999 | CA2096717C Sonet tributary ambiguity resolution for elastic store control |
02/16/1999 | CA2079010C Data transfer system including exchange |
02/11/1999 | WO1999007107A1 Method and apparatus for inserting/extracting sets of signals into/from a signal stream |
02/11/1999 | WO1999007085A2 Method and radio station for transmitting data |
02/11/1999 | WO1998052312A3 Method and apparatus for superframe bit allocation in a discrete multitone (dmt) system |
02/11/1999 | DE19733860A1 Einrichtung zur Datenübertragung in Mobilfunknetzen Means for transmitting data in mobile communications networks |
02/10/1999 | EP0896447A2 WDM transmitter for optical networks using a loop-back spectrally sliced light emitting device |
02/10/1999 | EP0895680A1 Synchronous transmission system with fault location function and monitoring device therefor |
02/10/1999 | EP0895620A1 Multiple parallel digital data stream channel controller architecture |
02/10/1999 | CN1207851A Method and apparatus for recovering clock of MPEG signals |
02/10/1999 | CN1207843A Method for reducing transients in clock signal generating system |
02/10/1999 | CN1207839A Wireless packet data distributed communications system |
02/10/1999 | CN1207838A Method of improving efficiency of radio channel usage in overlapping coverage areas |
02/10/1999 | CN1207632A Method to provide information concerning frequency band, head-end and terminal realizing such method |
02/10/1999 | CN1207625A Manual adjacent alternate routing for international standard |
02/10/1999 | CN1207624A RAP alternate routing for ISO 10589 |
02/09/1999 | US5870675 In reception in a digital cellular mobile communication system |
02/09/1999 | US5870594 Data transfer system and method |
02/09/1999 | US5870538 Switch fabric controller comparator system and method |
02/09/1999 | US5870444 Computer-implemented method |
02/09/1999 | US5870441 Distributed clocking system |
02/09/1999 | US5870440 Data-link processing equipment and apparatus for subscriber terminal office using same |
02/09/1999 | US5870427 In a multi-channel communication system |
02/09/1999 | US5870403 Apparatus and a method for establishing signal synchronization between lines |
02/09/1999 | US5870401 I/O module for a serial multiplex data system with a programmable input voltage level selector |
02/09/1999 | US5870390 Statellite direct radio broadcast receiver for extracting a broadcast channel and service control header from time division multiplexed transmissions |
02/09/1999 | US5870381 Method for transmitting signals from a plurality of transmitting units and receiving the signals |
02/09/1999 | US5870377 Satellite communications systems using a cross-connect switch |
02/09/1999 | US5870032 Restoration network architecture |
02/09/1999 | US5870001 Apparatus, and associated method, for calibrating a device |
02/04/1999 | WO1999005880A2 Method and radio communication system for transmitting information via atm cells |
02/04/1999 | WO1999005854A1 Digital transport stream processing |
02/04/1999 | WO1999005832A1 Methods and apparatus for canceling adjacent channel signals in digital communications systems |
02/04/1999 | WO1999005825A1 Ring circuit with transport loop and card protection |
02/04/1999 | WO1999005820A2 Wireless communications system and method |
02/04/1999 | WO1999005810A1 Method and apparatus for aligning sub-stream splice points in an information stream |
02/04/1999 | WO1999005809A1 System for reducing bus overhead for communications with a network interface |
02/04/1999 | WO1998049799A3 Method for transmitting data securely in the synchronous digital hierarchy |
02/04/1999 | CA2297843A1 Digital transport stream processing |
02/04/1999 | CA2297700A1 Methods and apparatus for canceling adjacent channel signals in digital communications systems |
02/03/1999 | EP0895437A2 Wireless communication system, apparatus and method to communicate using a plurality of communication slots in time division multiple access technique |
02/03/1999 | EP0895431A2 Alternate routing |
02/03/1999 | EP0895380A2 Reachable Address Prefix alternative routing for iso 10589 |
02/03/1999 | EP0895378A1 Method and system for transmitting data |
02/03/1999 | EP0895371A2 Time multiplexed oriented interface between a central and decentral components of communication devices |
02/03/1999 | EP0895370A2 Method and device for compensation of fluctuations of frequency and phase |
02/03/1999 | EP0894413A1 Method and apparatus for tdma wireless communication employing collector arrays for range extension |
02/03/1999 | EP0894381A1 Process for controlling access to a transmission channel used in common by several data sources |
02/03/1999 | EP0894371A1 System and method for reducing interference generated by a digital communication device |
02/03/1999 | CN1206999A Method for interfacing local station with control station by modem |
02/03/1999 | CN1206974A Method for determing swtiching on frequency band and first and last end of realized said method |
02/02/1999 | US5867663 Method and system for controlling network service parameters in a cell based communications network |
02/02/1999 | US5867545 Phase-locked loop circuit |
02/02/1999 | US5867543 Multi-rate transmission system |
02/02/1999 | US5867492 Radio unit and method of communicating between radio units over a communications channel |
02/02/1999 | US5867490 Direct radio broadcast receiver for providing frame synchronization and correlation for time division multiplexed transmissions |
02/02/1999 | US5867489 Method and apparatus for TDMA slot synchronization with precision ranging |
02/02/1999 | US5867484 Switchable multi-drop video distribution system |
02/02/1999 | US5867041 Clock signal testing apparatus for use in a synchronous transmission system |
02/02/1999 | CA2095350C Phase locking circuit for jitter reduction in a digital multiplex system |
02/02/1999 | CA2090664C Inter-network transport element of sonet overhead |
02/02/1999 | CA2090663C Sonet overhead server |
01/31/1999 | CA2241455A1 Pointer processor and method which requires a zero-length buffer |
01/28/1999 | WO1999004526A1 Method for transmitting overhead information for wavelength division multiplex networks for fibre-optic information transmission |
01/28/1999 | WO1999004522A1 Method and apparatus for adaptive loss-less compression of cell/packet headers |
01/28/1999 | WO1999004521A2 A method and apparatus for segmentation and reassembly of packets/cells over satellite/wireless networks |
01/28/1999 | WO1999004520A1 Method and apparatus for transmitting data in a high speed, multiplexed data communication system |
01/28/1999 | WO1999004515A1 Method and apparatus for fast acquisition and synchronization of transmission frames |
01/28/1999 | WO1999004512A1 Wireless telecommunications system with a cdma, fdma and tdma multiple access component, especially a 'jd-cdma' telecommunications system with hybrid multiple access techniques |
01/28/1999 | WO1999004509A1 Method and apparatus for minimizing delay variance via time divided transmissions |
01/28/1999 | WO1999004508A1 Multicarrier demux/demod (mcdd) wireless network architecture |
01/28/1999 | WO1999004340A1 A frame format and frame assembling/disassembling method for the frame format |
01/28/1999 | WO1999004339A2 Method and apparatus for improving asynchronous transfer mode operation over noisy, high speed wireless links |