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Class Information
Number: 370/477
Name: Multiplex communications > Communication techniques for information carried in plural channels > Transmission bandwidth conservation
Description: Subject matter having means for accommodating more information per unit time on a given transmission medium.










Patents under this class:
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Patent Number Title Of Patent Date Issued
5513128 Multispectral data compression using inter-band prediction Apr. 30, 1996
5513181 Multi-signal multi-coder transcoder Apr. 30, 1996
5511093 Method for reducing data in a multi-channel data transmission Apr. 23, 1996
5511074 Voice/fax digitizing rate negotiation for switched connection in a network environment Apr. 23, 1996
5509017 Process for simultaneous transmission of signals from N signal sources Apr. 16, 1996
5506844 Method for configuring a statistical multiplexer to dynamically allocate communication channel bandwidth Apr. 9, 1996
5500859 Voice and data transmission system Mar. 19, 1996
5499240 Switched communication network with bandwidth managers for achieving end-to-end data compression during transport Mar. 12, 1996
5481543 Rational input buffer arrangements for auxiliary information in video and audio signal processing systems Jan. 2, 1996
5471470 Computer-based multifunction personal communications system Nov. 28, 1995
5459729 Digital added main line system Oct. 17, 1995
5459730 Digital added main line system Oct. 17, 1995
5452289 Computer-based multifunction personal communications system Sep. 19, 1995
5442622 Communication system with ISDN as a backup of inter-PBX tie trunk Aug. 15, 1995
5442626 Digital communications system with symbol multiplexers Aug. 15, 1995
5442630 ISDN interfacing of local area networks Aug. 15, 1995
5436889 System for multiplexed communication between exchanges Jul. 25, 1995
5436900 Transcoder and improved land system for a mobile radio communication system Jul. 25, 1995
5426645 Parallel rule-based data transmission method and apparatus Jun. 20, 1995
5404424 Normalized proportional synchronous bandwidth allocation in a token ring network by setting a maximum message transmission time Apr. 4, 1995
5400339 Bidirectional communication apparatus for reducing transmitted data Mar. 21, 1995
5392284 Multi-media communication device Feb. 21, 1995
5390184 Flexible scheduling mechanism for ATM switches Feb. 14, 1995
5386436 Synchronization system for use in digital transmission system Jan. 31, 1995
5384780 High speed modem, method and system for achieving synchronous data compression Jan. 24, 1995
5384775 Apparatus for, and method of, packing and unpacking information in transmission lines Jan. 24, 1995
5383184 Multi-speaker conferencing over narrowband channels Jan. 17, 1995
5381412 Multimedia communication apparatus Jan. 10, 1995
5375171 Transmission system, and transmitter and receiver used in the transmission system for transmitting and receiving digital signals containing modulated bit allocation information Dec. 20, 1994
5359592 Bandwidth and congestion control for queue channels in a cell switching communication controller Oct. 25, 1994
5359596 Apparatus and method for finding bandwidth and making circuits in a telecommunications transport network Oct. 25, 1994
5357516 Apparatus for use in time division multiplexed communication systems Oct. 18, 1994
5317603 Isochronous interface apparatus May. 31, 1994
5317604 Isochronous interface method May. 31, 1994
5317570 System and method for learning transmission band of multiplex packet May. 31, 1994
5317567 Multi-speaker conferencing over narrowband channels May. 31, 1994
5305321 Ethernet media access controller with external address detection interface and associated method Apr. 19, 1994
5299197 Communications packet server protocol Mar. 29, 1994
5299228 Method and apparatus of reducing power consumption in a CDMA communication unit Mar. 29, 1994
5297147 Data compression and decompression controlling method Mar. 22, 1994
5297145 Digital subscriber line circuit for connecting an ISDN subscriber to the trunk side of a digital exchange Mar. 22, 1994
5293379 Packet-based data compression method Mar. 8, 1994
5282208 Data transfer system and method Jan. 25, 1994
5282207 Frame compression in integrated services networks Jan. 25, 1994
5280470 Bandwidth and congestion management in accessing broadband ISDN networks Jan. 18, 1994
5280532 N:1 bit compression apparatus and method Jan. 18, 1994
5271005 Method of modifying virtual path capacity Dec. 14, 1993
5265091 Adaptation of reserved estimated bandwidth for permanent virtual connection Nov. 23, 1993
5263025 Communication system and equipment Nov. 16, 1993
5258983 System of transmission by packets with data compression, corresponding method and apparatus Nov. 2, 1993

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