Remote on/off switch circuit

Details Remote on/off switch circuit Remote on/off switch circuit

1986-02-07

1987-08-11

Shoop, Jr., William M.

Electrical transmission or interconnection systems

Switching systems

Condition responsive

307114, 307113, 307115, 34082569, 340310A, 34082572, 315158, H02B 124

Patent

active

046863800

ABSTRACT:
A remotely controlled electrical power circuit (10) for supplying power to an electrical load (13) requiring electrical power from an electrical outlet comprising a receiver (14) for receiving a predetermined radio signal from a transmitter (12). The receiver (14) includes a super-generative detector (16) for receiving the predetermined radio signal. An amplifier filter (20) amplifies and filters the signal from the detector (16). A Schmitt trigger (34) detects the signal from the amplifier filter (20) and produces positive feedback to operate a latch (36), causing a detector (38) to produce a control signal in response to a first duration of the predetermined radio signal to operate relay (RY1) for closing contacts (24) and to produce a control signal in response to a second duration of the predetermined radio signal for opening the contacts (24).

REFERENCES:
patent: 3438037 (1969-04-01), Leland
patent: 3460121 (1969-08-01), Wattenburg
patent: 3631498 (1971-12-01), Bachhuber
patent: 3760422 (1973-09-01), Zimmer et al.
patent: 4057805 (1977-11-01), Dowling
patent: 4355309 (1982-10-01), Hughey et al.
patent: 4538973 (1985-09-01), Angott et al.
patent: 4584504 (1986-04-01), Lee et al.
patent: 4590471 (1986-05-01), Pieroway et al.
patent: 4591158 (1986-05-01), Samson et al.

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