Telecommunications – Transmitter and receiver at same station – Transceiver controlling a separate transceiver or receiver
Patent
1998-04-03
2000-12-05
Trost, William G.
Telecommunications
Transmitter and receiver at same station
Transceiver controlling a separate transceiver or receiver
455500, 455507, 370313, H04B 140, H04Q 700
Patent
active
061578185
ABSTRACT:
A communication system, method, and multiple master and slave transceivers having automatic addressing and collision avoidance. A master transceiver is programmed with its address by a user through a host. After being turned on, a slave transceiver acquires its address as the address of the first message it receives from a master transceiver. The master and the slave transceivers then communicate in each direction and ignore other messages by using that address until the slave transceiver is turned off. When the slave transceiver is turned on again, it acquires a new address of the address of the first new message it receives from a master transceiver, not necessarily the same master transceiver. The transceivers communicate with a signal having an on-condition having different lengths for representing different symbols. A transmitting transceiver detects a collision when it detects a signal on-condition during the longer of the different lengths while it is transmitting a signal on-condition of the shorter of the different lengths.
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Gary Erika A.
Gildea David R.
Trimble Navigation Limited
Trost William G.
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