| Patents for H04J 3 - Time-division multiplex systems (63,408) |
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| 10/21/1991 | CA2033123A1 Multiport - multipoint digital data service |
| 10/18/1991 | CA2040668A1 Multipoint multiplexing in a dds network |
| 10/17/1991 | WO1991015908A1 Ring communication system |
| 10/17/1991 | WO1991015904A1 Base station transceiver diagnostics equipment |
| 10/16/1991 | EP0451767A2 Frame synchronization stabilizer |
| 10/16/1991 | EP0451694A2 Time-multiplex transmission system |
| 10/16/1991 | CN2086951U Multiplexing communication integrated circuit |
| 10/15/1991 | US5058163 Interface unit for transferring digital data between time-domain multiplexed communication links |
| 10/15/1991 | US5058141 Single circuit for detecting a frame synchronization pattern and generating control signals |
| 10/15/1991 | US5058134 Process of synchronizing a receiving modem after a training on data |
| 10/15/1991 | US5058132 Clock distribution system and technique |
| 10/15/1991 | US5058106 Flywheel circuit |
| 10/15/1991 | US5058104 Tdm demultiplexer with dedicated maintenance channels to indicate high-speed line faults to low speed circuits |
| 10/15/1991 | CA1290868C Voice data discriminator |
| 10/15/1991 | CA1290824C Clock circuit synchronization in digital transmission system |
| 10/14/1991 | CA2038769A1 Congestion avoidance in high-speed network carrying bursty traffic |
| 10/11/1991 | WO1991015910A1 Method of synchronising the pseudo-random binary sequence in a descrambler |
| 10/10/1991 | DE4011264A1 Flexible multiplexing procedure for programmable digital multiplexer |
| 10/09/1991 | EP0450974A2 Transmission congestion control method and apparatus |
| 10/09/1991 | EP0450879A1 Ring communication system |
| 10/09/1991 | EP0450828A2 Method for synchronizing interconnected digital equipment |
| 10/09/1991 | EP0450382A2 Method for frequency sharing in a frequency hopping communications network |
| 10/09/1991 | EP0450269A2 Phase locked loop arrangement |
| 10/08/1991 | US5056119 Adaptive frame resynchronizer apparatus |
| 10/08/1991 | US5056087 Pcm communication system |
| 10/08/1991 | US5056084 System for transmitting hdlc frames on a pcm type link using a single hdlc circuit and a transposition buffer memory |
| 10/07/1991 | WO1991015905A1 Flexible-multiplexing process and device |
| 10/07/1991 | CA2079793A1 Flexible-multiplexing process and device |
| 10/03/1991 | WO1991015066A1 Distributed protocol for improving the survivability of telecommunications trunk networks |
| 10/02/1991 | EP0449632A2 Matrix switcher apparatus |
| 10/02/1991 | EP0448927A1 Procedure for the transmission of time discrete information |
| 10/02/1991 | EP0448734A1 Circuit arrangement for the routine testing of the interface between transmission groups and the switching network of a PCM telecommunications exchange |
| 10/02/1991 | CN1014197B Demultiplexer with circuit for reducing waiting-time jitter |
| 10/01/1991 | CA2050898A1 Base station transceiver diagnostics equipment |
| 09/29/1991 | WO1991015067A1 Method for embedding information in modem handshake procedure and modems incorporating the same |
| 09/28/1991 | CA2034651A1 Distributed protocol for improving the survivability of telecommunications trunk networks |
| 09/26/1991 | DE4109150A1 Local area communications network - feeds synchronisation information along lines extending between independently clocked nodes |
| 09/25/1991 | EP0448045A1 System for suppressing spread of error generated in differential coding |
| 09/25/1991 | EP0448020A1 Elementary switching unit for cross-connecting digital bit flows by time-multiplexing bit streams of different bit rates |
| 09/25/1991 | EP0447987A2 Method for synchronizing a wide area network without global synchronization |
| 09/25/1991 | EP0447749A2 Method for transmitting multirate data |
| 09/25/1991 | EP0447731A1 A synchronization circuit for a synchronous switching system |
| 09/25/1991 | EP0447485A1 System for cross-connecting high speed digital signals |
| 09/25/1991 | EP0447461A1 Virtual tributary cross connect switch and switch network utilizing the same |
| 09/24/1991 | US5052031 Phase locked loop including non-integer multiple frequency reference signal |
| 09/24/1991 | US5052030 Method for synchronizing a clock, generated with the assistance of a counter, to a reference clock |
| 09/24/1991 | US5052029 Self-correcting synchronization signal method and apparatus |
| 09/24/1991 | US5052028 Method for synchronizing the phase of clock signals of two clock generators in communications networks |
| 09/24/1991 | US5052025 Synchronous digital signal to asynchronous digital signal desynchronizer |
| 09/24/1991 | US5052022 Repeater and PLL circuit |
| 09/24/1991 | US5051993 Mixed modulation level communication system |
| 09/24/1991 | US5051990 Phase adjustment circuit |
| 09/24/1991 | US5051989 Switching arrangement capable of switching burst time plan tables/channel assignment pattern tables of a specific terrestrial station |
| 09/24/1991 | US5051988 Transmission line encoding/decoding system |
| 09/24/1991 | US5051984 Methods for flexibly allocating bandwidth for a point-to-point serial, bidirectional communication path |
| 09/24/1991 | US5051979 Method and apparatus for errorless switching |
| 09/24/1991 | CA1289684C Method of adjusting the interstation delay in an information transmission system comprising a large number of relay stations arranged in cascade and utilizing in one transmission direction the tdma method, and a system to which such a delay adjusting method is applied |
| 09/24/1991 | CA1289668C Digital carrier channel bus interface module for a multiplexer having a cross-connect bus system |
| 09/20/1991 | WO1991015061A1 A method for synchronizing the transmissions in a simulcast transmission system |
| 09/19/1991 | WO1991014328A1 Overspeed data rate adjustment method and apparatus in an asynchronous data stream |
| 09/19/1991 | WO1991014319A1 Digital data transmission system |
| 09/18/1991 | EP0447053A2 Integrated data link control with dynamic hyperchannel mapping |
| 09/18/1991 | EP0446441A2 Flexible multiplex system |
| 09/17/1991 | US5050192 Automatic gain control |
| 09/17/1991 | US5050166 Transfer of messages in a multiplexed system |
| 09/17/1991 | US5050164 Optical customer premises network |
| 09/17/1991 | US5050161 Congestion management based on multiple framing strategy |
| 09/17/1991 | CA1289276C Optical fiber transmission apparatus, in particular for submarine use |
| 09/15/1991 | WO1991014318A1 Switch for multiplexes |
| 09/15/1991 | CA2058298A1 Switch for multiplexes |
| 09/11/1991 | EP0446196A2 Method of transmitting binary information in an optical transmission network |
| 09/11/1991 | EP0445318A2 Method for the time division multiplex transmission of digital messages |
| 09/11/1991 | CN1054517A Hopped-carrier dynamic frequency reuse |
| 09/10/1991 | US5048013 Transmission congestion control method and apparatus |
| 09/10/1991 | CA1288878C Timing and carrier recovery in tdma without preamable sequence |
| 09/09/1991 | CA2037689A1 Method for transmitting binary information in an instant of some timeslots before the beginning of the transmission |
| 09/07/1991 | WO1991014320A1 Digital signal multiplexer |
| 09/07/1991 | CA2054742A1 Digital signal multiplexer |
| 09/05/1991 | WO1991013501A1 Frame synchronizing method for digital mobile radio |
| 09/04/1991 | EP0444656A2 Multiplex communication system |
| 09/04/1991 | EP0444592A2 Multidirection multiplex communication system |
| 09/04/1991 | CN1054344A Method and apparatus for detecting frame alignment word in data stream |
| 09/03/1991 | USH967 High speed, long distance, data transmission multiplexing circuit |
| 09/03/1991 | US5045714 Multiplexer with improved channel select circuitry |
| 09/03/1991 | CA1288520C Synchronization recovery in a communications system |
| 08/28/1991 | WO1991013521A1 Hopped-carrier dynamic frequency reuse |
| 08/28/1991 | EP0443782A2 Apparatus and method for time multiplexing a resource among a plurality of entities |
| 08/28/1991 | EP0443754A2 Method and apparatus for detecting a frame alignment word in a data stream |
| 08/28/1991 | EP0443672A2 Asynchronous transfer mode system |
| 08/28/1991 | EP0443376A2 Frame synchronization circuit |
| 08/28/1991 | EP0443029A1 Signal generator and signal receiver based on synchronous multiplex transmission system |
| 08/28/1991 | CN1054159A Base station emulator |
| 08/28/1991 | CN1054158A Synchronous-asynchronous converter |
| 08/27/1991 | US5043982 Multichannel multipoint network using time-division multiplexing incorporating a time offset for propagation delay |
| 08/27/1991 | US5043981 Method of and system for transferring multiple priority queues into multiple logical FIFOs using a single physical FIFO |
| 08/27/1991 | US5043978 Circuit arrangement for telecommunications exchanges |
| 08/24/1991 | CA2036545A1 Method and apparatus for detecting a frame alignment word in a data stream |
| 08/22/1991 | WO1991012677A1 Multiple buffer time division multiplexing ring |
| 08/22/1991 | WO1991012611A1 Method and apparatus for data interleave with pseudo-randomized resynchronization |
| 08/22/1991 | WO1991012535A1 Device for identifying traffic on a paired cable |