RF data exchange system

Details RF data exchange system RF data exchange system

1974-11-08

1977-06-21

Pitts, Harold L.

Communications: electrical

Digital comparator systems

340151, 340152R, 340171PF, H04Q 900

Patent

active

040315134

ABSTRACT:
An improved remote meter reading system is disclosed comprising apparatus for transmitting UHF AM interrogating signals from an interrogating mobile or central station to a remote transponder station, and apparatus for retransmitting UHF FM data signals from the energized transponder to the mobile or central interrogating station. The interrogating station further includes apparatus for validating that the UHF FM data signals received are in fact the UHF FM data signals actually sent by the remote transponder selected by the interrogating or central station.

REFERENCES:
patent: 2607004 (1952-08-01), Harris
patent: 3566384 (1971-02-01), Smith
patent: 3705385 (1972-12-01), Batz

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