Electrical transmission or interconnection systems – Switching systems – Switch actuation
Patent
1997-02-06
1999-02-23
Paladini, Albert W.
Electrical transmission or interconnection systems
Switching systems
Switch actuation
307140, 307 86, 34082572, 361160, H02J 1300
Patent
active
058747893
ABSTRACT:
The present invention relates to a circuit for integrating a local switch and a remote-control switch, primarily comprising a remote-control circuit, a first trigger circuit, a second trigger circuit, an integrating unit and a power circuit, in which the integrating unit further comprises two timer circuits, a local switch detecting circuit, a switching circuit and a power supplement circuit. When the circuit described above is in an initial state, in the event of the local switch does not operate within a certain time period, the control priority belongs to the remote-control circuit. When a user controls a load by remote control, the remote-control circuit will send a signal to reset the local switch detecting circuit and to make the output signal of the remote-control circuit be the control source of the switching circuit directly.
REFERENCES:
patent: 3794888 (1974-02-01), Hisano
patent: 3869651 (1975-03-01), Long et al.
patent: 4367510 (1983-01-01), Watanabe
patent: 5309310 (1994-05-01), Baer et al.
patent: 5381049 (1995-01-01), Onuma
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