Remote control systems

Details Remote control systems Remote control systems

1976-07-12

1980-02-19

Pitts, Harold I.

Communications: electrical

Digital comparator systems

340148, 340167A, 340164R, H04Q 900

Patent

active

041897137

ABSTRACT:
An acoustic remote control link transmits different value bits as pulses containing different numbers of carrier cycles and identifies those bits on reception on the basis of the received pulses containing numbers of carrier cycles in one or other of two ranges. Each word transmitted is accompanied by a word of inverse digital value, the two words being compared on reception. A received pulse is deemed to have finished when a gap of given duration exists in the carrier.

REFERENCES:
patent: 2415929 (1947-02-01), Bond
patent: 2490243 (1949-12-01), Tellier
patent: 3243799 (1966-03-01), Parks
patent: 3427585 (1969-02-01), Milford
patent: 3551885 (1970-12-01), Henzel
patent: 3624603 (1971-11-01), Delcomyn
patent: 3705363 (1972-12-01), Okada
patent: 3755744 (1973-08-01), Fukata
patent: 3852713 (1974-12-01), Roberts
patent: 3852722 (1974-12-01), Neuville
patent: 4006462 (1977-02-01), Popowski

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