| Patents for H04J 3 - Time-division multiplex systems (63,408) |
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| 05/18/1993 | US5212475 Method for generating an alarm inhibit signal |
| 05/18/1993 | CA2001616C Buffer memory device for packet data and method of controlling the device |
| 05/13/1993 | WO1993009645A1 Process for simultaneously transmitting signals from n-signal sources |
| 05/13/1993 | WO1993009623A1 Method for handling data transmission frames of variable length with a channel controller and for writing them to a cyclic buffer memory |
| 05/13/1993 | WO1993009493A1 A wireless communication system |
| 05/12/1993 | EP0540808A2 Synchronisation method for mobile telephone of GSM standard with beginning, normal and end synchronisation |
| 05/11/1993 | US5210762 Sonet pointer interpretation system and method |
| 05/11/1993 | US5210754 Pattern synchronizing circuit |
| 05/11/1993 | US5210752 Radio tele-communication system using multichannel access scheme |
| 05/11/1993 | US5210745 Frame restructuring interface for digital bit streams multiplexed by time-division multiplexing digital tributaries with different bit rates |
| 05/11/1993 | US5210740 Line switching equipment for switching a personal line to a backup ISDN line |
| 05/11/1993 | CA2017925C Electronic systems and effective reduction of electromagnetic interference energy propagation from electronic systems |
| 05/11/1993 | CA1317676C Address detection circuit using a memory |
| 05/06/1993 | DE4135977A1 Verfahren zur gleichzeitigen uebertragung von signalen aus n-signalquellen Process for the simultaneous transmission of signals from n-signal sources |
| 05/05/1993 | EP0540452A1 Method and apparatus for transforming low bandwidth telecommunications channels into a high bandwidth telecommunication channel |
| 05/05/1993 | EP0540397A1 Method and circuit for counting clock-slips |
| 05/05/1993 | EP0539758A1 Sonet pointer interpretation system |
| 05/05/1993 | EP0539704A1 An architecture for the accurate distribution of a network wide time reference value on a ring topology local area network |
| 05/05/1993 | EP0539567A1 Device and method for asynchronous cyclic redundancy checking for digital receivers |
| 05/04/1993 | USRE34241 Method and apparatus for extracting a predetermined pattern from a serial bit stream |
| 05/04/1993 | US5208840 Method and arrangement for detecting framing bit sequence in digital data communications system |
| 05/04/1993 | US5208812 Telecommunications system |
| 05/04/1993 | US5208810 Method of data flow control |
| 05/04/1993 | US5208807 Data transmission method employing a synchronous frame combining asynchronous cells with isochronous channels |
| 05/04/1993 | CA1317379C Pulse insertion circuit |
| 05/04/1993 | CA1317368C Direct broadcast satellite signal transmission system |
| 05/02/1993 | CA2077288A1 Method and apparatus for transforming low bandwith telecommunications channels into a high bandwidth telecommunication channel |
| 04/28/1993 | EP0539007A2 Apparatus and method for high speed flexible multiplexing for fibre optic data transmission |
| 04/28/1993 | EP0538853A2 Distributed control of telecommunication network for setting up an alternative communication path |
| 04/28/1993 | EP0538737A1 False-lock detection and coherent demodulation of digital date |
| 04/28/1993 | EP0538546A2 Method and apparatus for controlling a TDM communication device |
| 04/28/1993 | EP0538536A1 Method for detecting voice presence on a communication line |
| 04/27/1993 | US5206933 Data link controller with channels selectively allocatable to hyper channels and hyper channel data funneled through reference logical channels |
| 04/27/1993 | US5206909 Method for secure PPM-based laser communications |
| 04/27/1993 | US5206887 Unique word detection apparatus |
| 04/27/1993 | US5206883 Violation control circuit in ISDN |
| 04/27/1993 | US5206858 Transmission method and circuit of virtual container using asynchronous transfer mode |
| 04/27/1993 | US5206857 Apparatus and method for timing distribution over an asynchronous ring |
| 04/27/1993 | CA1317040C Repeater for regenerating frame-multiplexed signal |
| 04/21/1993 | EP0537588A2 Time division multiplex transmission system for different data services |
| 04/20/1993 | US5204883 Method and apparatus for recognition of a framing pattern distributed in a serial bit stream |
| 04/20/1993 | US5204882 Method of operating a communications system |
| 04/20/1993 | US5204860 Network terminating terminal apparatus for integrated services digital network |
| 04/20/1993 | US5204859 Method and apparatus for detecting a frame alignment word in a data system |
| 04/20/1993 | US5204676 Circuit arrangement for frequency conversion of a digital signal |
| 04/19/1993 | EP0551253A4 Synchronous selective signalling system. |
| 04/15/1993 | WO1993007727A1 Dial-up bridging method and apparatus therefor |
| 04/15/1993 | WO1993007694A1 Method for integrated services satellite network resource allocation by advance reservation |
| 04/15/1993 | WO1993007682A1 Simulcast synchronization and equalization system and method therefor |
| 04/15/1993 | WO1993007681A1 Simulcast synchronization and equalization system and method therefor |
| 04/14/1993 | EP0536864A2 Method and system network for providing an area with limited bandwidth bi-directional burst personal telecommunications |
| 04/14/1993 | EP0536464A2 SONET DS-N desynchronizer |
| 04/14/1993 | EP0536334A1 System and method for generating signal waveforms in a cdma cellular telephone system |
| 04/14/1993 | CN1071036A Variable rate vocoder |
| 04/13/1993 | US5203024 Antenna selection diversity reception system |
| 04/13/1993 | US5202904 Pulse stuffing apparatus and method |
| 04/13/1993 | CA1316241C Electronic exchange apparatus synchronized with digital network |
| 04/13/1993 | CA1316236C Method of and circuit arrangement for synchronizing a digital data transmission arrangement with a network-external clock |
| 04/13/1993 | CA1316216C Method for inserting an asynchronous 139,264 kbit/s signal into a 155,520 kbit/s signal |
| 04/09/1993 | CA2080041A1 Method and system network for providing an area with limited bandwidth bi-directional burst personal telecommunications |
| 04/07/1993 | EP0536069A1 Synchronisation method for terminals connected to a digital telecommunication network with an asynchronous transmission mode (ATM) |
| 04/07/1993 | EP0535890A2 Multimedia communication apparatus |
| 04/07/1993 | EP0535768A2 Telecommunications system with an arbitrary alignment parallel framer |
| 04/07/1993 | EP0535762A1 Method for resource allocation by anticipated reservation in a satellite network with service integration |
| 04/07/1993 | EP0535698A1 In-line linear desynchronizer |
| 04/07/1993 | EP0535434A2 A circuit and method for communicating digital audio information |
| 04/07/1993 | EP0535403A1 Reception of TDMA digital data signal with compensation for channel variations |
| 04/07/1993 | EP0535165A1 Clock distribution apparatus and processes |
| 04/06/1993 | US5200982 In-line piece-wise linear desynchronizer |
| 04/06/1993 | US5200977 Terminal unit apparatus for time division multiplexing access communications system |
| 04/06/1993 | US5200956 Communications system for data transmission over a time division duplex frequency channel |
| 04/06/1993 | US5200647 High-speed signal multiplexing circuit for multiplexing high-speed signals |
| 04/06/1993 | CA1315904C Digital transmission system |
| 04/05/1993 | WO1993007695A1 Synchronizing device for terminal equipment in an asynchronous transfer mode digital telecommunications network |
| 04/03/1993 | CA2079631A1 Sonet pointer interpretation system and method |
| 04/03/1993 | CA2079630A1 In-line piece-wise linear desynchronizer |
| 04/01/1993 | WO1993006665A1 Isdn 's' signal detection and display apparatus |
| 04/01/1993 | WO1993002514A3 Apparatus for high speed data transfer |
| 04/01/1993 | DE4132524A1 Packet oriented transmission for digitally coded speech information - using counter to control read out of buffer memory for temporary storage of transmitted information packets. |
| 04/01/1993 | DE4132518A1 Asynchronous transfer mode wideband communications system for digital signals - has counters associated with packeting-depacketing device and buffer memory for maintaining original time sequence. |
| 03/31/1993 | WO1993007690A1 Apparatus and method for recovering a time-varying signal using multiple sampling points |
| 03/31/1993 | EP0534493A2 Data transfer system including exchange |
| 03/31/1993 | EP0534030A1 A frame transfer device for a fixed format frame transmission network |
| 03/31/1993 | EP0533992A1 Method and circuit to accomplish synchronous data transmissions |
| 03/31/1993 | EP0533755A1 Communications-transmission system. |
| 03/31/1993 | EP0485593A4 Data multiplexer with simultaneous multiple channel capability |
| 03/31/1993 | EP0335877B1 Method for transmitting data in packet switching networks |
| 03/31/1993 | CN1070523A Radio pager with variable gain setting controlled according to presence and absence of sync codes |
| 03/31/1993 | CN1020230C PCM communication system |
| 03/30/1993 | US5199031 Method and system for uniquely identifying control channel time slots |
| 03/30/1993 | US5199030 Digital signal transmission device |
| 03/30/1993 | CA1315368C2 D-5 channel bank control structure and controller |
| 03/30/1993 | CA1315340C Control of optical systems |
| 03/24/1993 | EP0533435A1 Radio telephone apparatus with frequency divider used during emission and stopped during reception |
| 03/24/1993 | EP0533091A2 Parallel transmission method |
| 03/24/1993 | EP0532914A2 Delay correcting system in a multi-channel PCM switching system |
| 03/23/1993 | US5197097 Cell signal processing circuit and optical switch apparatus using the same |
| 03/23/1993 | US5197068 Intra channel bank communication protocols between channels and the line interface unit of a telephone system |
| 03/23/1993 | US5197064 Distributed modular packet switch employing recursive partitioning |
| 03/23/1993 | US5197063 Circuit switching method and apparatus for time division network with various transmission speeds |