Multiplex communications – Communication over free space – Having a plurality of contiguous regions served by...
Patent
1995-09-29
1998-04-28
Nguyen, Chau
Multiplex communications
Communication over free space
Having a plurality of contiguous regions served by...
370344, 370445, 455 342, H04B 7204
Patent
active
057454833
ABSTRACT:
A wireless computer network communication system for use in an environment in which plural groups can perform network communication at the same time. A channel controller receives a requirement of starting network communication from a computer, controls a wireless channel sensor, and detects a received signal. The wireless channel detector detects which wireless channel is employed by one or more other networks and the channel controller determines the wireless channel to be employed by its own group and also controls the transceiver. The computer starts the network communication through a network controller. The network controller controls the transceiver for transmitting and receiving data by use of the wireless channel, and the same further controls the transmitting/receiving of the requirements and the data from the computer.
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Kokaji Harumi
Nakagawa Yoshikatsu
Suzuki Masamitsu
Takahashi Satoshi
Nguyen Chau
Ricoh & Company, Ltd.
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