Multiplex communications – Communication techniques for information carried in plural... – Combining or distributing information via time channels
Patent
1996-01-19
1998-10-06
Hsu, Alpus H.
Multiplex communications
Communication techniques for information carried in plural...
Combining or distributing information via time channels
370536, 370537, H04J 300
Patent
active
058188460
ABSTRACT:
A digital signal transmission system operates in a mode for transmitting multiplexed signals as a serial digital signal and in a mode for transmitting only a predetermined signal. A transmitter of the system includes a first control circuit which, in a particular signal transmission mode, places only a particular signal processing circuit block for transmitting a particular signal in an operative state and places in an inoperative state a multiplexer circuit block for multiplexing the predetermined signal with at least one other signal. In a multiplexed transmission mode, the first control circuit places in an operative state only the multiplexer circuit block and places in an inoperative state the particular signal processing circuit block. A receiver of the system includes a second control circuit which, in a particular signal transmission mode, places a particular signal restoring circuit block for restoring the transmission signal received through the transmission path to an operative state and places in an inoperative state a demultiplexer circuit block. In an multiplexed transmission mode, the second control circuit places in an operative state only the demultiplexer circuit block, which demultiplexes a multiplex signal received through the transmission path into a plurality of digital signals, and places into an inoperative state a particular digital signal restoring circuit block.
REFERENCES:
patent: 5136587 (1992-08-01), Obana et al.
patent: 5426644 (1995-06-01), Fujimoto
patent: 5428664 (1995-06-01), Kobayashi
patent: 5557636 (1996-09-01), Sato
patent: 5559838 (1996-09-01), Nakagoshi
Mori Yasushi
Ozawa Naoki
Hitachi Denshi Kabushiki Kaisha
Hsu Alpus H.
Yao Kwang Bin
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