Communications: electrical – Digital comparator systems
Patent
1979-04-13
1981-02-03
Yusko, Donald J.
Communications: electrical
Digital comparator systems
340171A, 340695, H04Q 910, H04B 1100
Patent
active
042491622
ABSTRACT:
A remote control switch assembly for controlling a lamp includes a signal generating unit for generating and radiating a supersonic wave signal carrying a control signal, a signal receiving unit for receiving the radiated signal. The signal receiving unit which is incorporated in a switch box for the lamp includes at least one relay switch actuated when the control signal is included in the supersonic wave signal.
REFERENCES:
patent: 3484775 (1969-12-01), Cline
patent: 3590271 (1971-06-01), Peters
patent: 3798600 (1974-03-01), Saikaishi et al.
patent: 3879709 (1975-04-01), Yukawa
patent: 3970987 (1976-07-01), Kolm
Murata Manufacturing Co. Ltd.
Yusko Donald J.
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