Telecommunications – Transmitter – Power control – power supply – or bias voltage supply
Patent
1984-11-23
1988-03-15
Griffin, Robert L.
Telecommunications
Transmitter
Power control, power supply, or bias voltage supply
455 12, 455113, 455117, H04B 104, H01Q 1112
Patent
active
047318708
ABSTRACT:
An improved platform transmitter terminal (PTT) is disclosed for use in an ARGOS type satellite system. The PTT has reduced size, weight and extended life due to a solar array/rechargeable battery power source operating under the supervision of a unique power supply control and protection means. The invented PTT, when used in an ARGOS type system, opens the possibility of tracking, on a global basis, wild animals weighing as little as a few kilograms.
REFERENCES:
patent: 3393380 (1968-07-01), Webb
patent: 4274132 (1981-06-01), Molyneux-Berry
patent: 4380089 (1983-04-01), Weir
"Beacon Transmitters and Power Supply for Echo," McCubbin et al., Mar. 1961, pp. 147-161.
Aucouturier et al., Biotelemetry and Radiotracking of Wild Birds: Port. Device Using Solar Cells Power Supply, 10/77 .
Black Harold D.
Daniels John
Levanon Nadav
Strikwerda Thomas E.
Archibald Robert E.
Califano Howard W.
Griffin Robert L.
Kuntz Curtis
The Johns Hopkins University
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