Communications: electrical – Continuously variable indicating – With meter reading
Patent
1985-02-01
1987-07-14
Weldon, Ulysses
Communications: electrical
Continuously variable indicating
With meter reading
34082508, 3408255, 370 93, 370 96, 455 33, H04Q 300, G05B 2302, H04V 324
Patent
active
046805834
ABSTRACT:
In a broadcast transmission system, in which in normal operation messages and terminal addresses are transmitted between a master station and a plurality of terminals each having an assigned address, the master station initially assigns the addresses to the terminals. In order to isolate each terminal in turn to assign it an address, the master station varies one or more parameters which affect the bit error rate of the terminals while polling the terminals, and each terminal which receives the poll with an acceptable bit error rate responds to the poll. When the master station receives only one response to a poll, it assigns an address to the responding, isolated, terminal which thereafter does not respond to the poll. This procedure is repeated until addresses have been assigned to all of the terminals. The parameter may, in particular, be the strength of the signal transmitted by the master station.
REFERENCES:
patent: 3755782 (1973-08-01), Haas et al.
patent: 3787627 (1974-01-01), Abramson et al.
Haley R. John
Northern Telecom Limited
Smith Ralph
Weldon Ulysses
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