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Class Information
Number: 370/307
Name: Multiplex communications > Trasmultiplexers
Description: Subject matter in which conversion from one multiplex technique to a different multiplex technique is performed (e.g., conversion between time division multiplex and frequency division multiplex).










Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
8451758 Method and device for operating of two wireless services May. 28, 2013
8345884 Signal separation reproduction device and signal separation reproduction method Jan. 1, 2013
8325647 Time-division multiplexer and signal transmission apparatus Dec. 4, 2012
8271388 Image commercial transactions system and method, image transfer system and method, image distribution system and method, display device and method Sep. 18, 2012
8238275 IC with MMW transceiver communications Aug. 7, 2012
8204044 Method and network element for voice-over-IP (VoIP) communications in a mobile IP network Jun. 19, 2012
8171495 Queue dispatch using deferred acknowledgement May. 1, 2012
8139517 Method of generating and demultiplexing an optimized contribution signal, and regionalized data broadcasting system Mar. 20, 2012
8045654 Matched detector/channelizer with adaptive threshold Oct. 25, 2011
7890048 Transmitter and transmitting method, information editor and editing method, receiver and receiving method, information storage and storing method, and broadcasting system Feb. 15, 2011
7675876 Transport demultiplexor with bit maskable filter Mar. 9, 2010
7490182 Switching control circuit provided with serial to parallel converter and storage unit, and radio communication apparatus using the same Feb. 10, 2009
7474635 Communication system and method using time division multiplexed (TDM) downlink Jan. 6, 2009
7460513 Encapsulation of diverse protocols over internal interface of distributed radio base station Dec. 2, 2008
7450529 Cross link multiplexer bus Nov. 11, 2008
7450530 Cross link multiplexer bus configured to reduce cross-talk Nov. 11, 2008
7430254 Matched detector/channelizer with adaptive threshold Sep. 30, 2008
7356019 Method and apparatus for converting optical signals to radio channels Apr. 8, 2008
7123592 Dynamic allocation of transmission bandwidth in a communication system Oct. 17, 2006
7058150 High-speed serial data transceiver and related methods Jun. 6, 2006
6940893 High-speed indoor wireless chirp spread spectrum data link Sep. 6, 2005
6768434 High speed x/sine(x) correction circuit Jul. 27, 2004
6731690 Methods and apparatus for transmultiplexing a multi-channel signal May. 4, 2004
6708029 Broadband communication system for mobile users in a satellite-based network Mar. 16, 2004
6590871 Multi-carrier modulation apparatus and transmitter using the same Jul. 8, 2003
6516438 Concatenated coding system for satellite communications Feb. 4, 2003
6456602 Method and apparatus for achieving frequency diversity by use of multiple images Sep. 24, 2002
6449262 Method and apparatus for frequency shifting with a clock signal Sep. 10, 2002
6138261 Concatenated coding system for satellite communications Oct. 24, 2000
6020830 Telemetry system using broadband correlation techniques Feb. 1, 2000
6009084 Concentrating transmultiplexer for cable telephony Dec. 28, 1999
5943315 Multiplex transmission system and abnormality processing controlling method and apparatus used therefor Aug. 24, 1999
5889766 Transmission/reception method based on frequency division multiple access having changeable communication channel bandwidths and communication apparatus employing the method Mar. 30, 1999
5715242 System for integrated distribution of switched voice and television on coaxial cable with phase distortion correction Feb. 3, 1998
5710763 Filtered fast Fourier transmultiplexer and method Jan. 20, 1998
5625624 High data rate satellite communication system Apr. 29, 1997
5608724 Dynamically reconfigurable frequency division multiplexer and modulator Mar. 4, 1997
5590173 Delay insensitive base station-to-handset interface for radio telephone systems Dec. 31, 1996
5546051 Power amplifier and power amplification method Aug. 13, 1996
5486943 Photonic frequency division multiplexed FIFO buffer Jan. 23, 1996
5430722 Hybrid photonic-electronic subscriber access unit for connecting optical subscriber lines to an asynchronous transfer mode telecommunication network Jul. 4, 1995
5406553 Apparatus and method for converting a frequency division multiplex to a time division multiplex Apr. 11, 1995
5396489 Method and means for transmultiplexing signals between signal terminals and radio frequency channels Mar. 7, 1995
5351234 System for integrated distribution of switched voice and television on coaxial cable Sep. 27, 1994
5274627 Non-regenerative multibeam satellite communications system with FDMA access and SSTDM connectivity Dec. 28, 1993
5226038 Method for converting and method for processing electronic multiplex signals, and apparatus for processing such signals Jul. 6, 1993
5038344 FDM-TDM transforming device Aug. 6, 1991
5038342 TDM/FDM communication system supporting both TDM and FDM-only communication units Aug. 6, 1991
4928272 Two-way CATV system using frequency division multiplexing May. 22, 1990
4922483 Multi-channel PCM music broadcasting system May. 1, 1990

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