Proximity switching system

Details Proximity switching system Proximity switching system

1975-10-03

1977-06-21

Scott, James R.

Electrical transmission or interconnection systems

Switching systems

Condition responsive

340258C, 328 5, H05B 3700

Patent

active

040314081

ABSTRACT:
The system utilizes the conventional A. C. power line connected as a signal source and a shield about a sensor electrode mounted in a conventional wall box and coupled to a flip-flop circuit. When a body comes within operating range of the sensor, current flow is generated which operates the flip-flop and turns on an associated lamp. Associated circuitry may also be provided to turn the lamp off automatically and to perform other functions.

REFERENCES:
patent: 3666988 (1972-05-01), Bellis
patent: 3825797 (1974-07-01), Maeda et al.
patent: 3947696 (1976-03-01), Larson et al.
patent: 3956743 (1976-05-01), Geiszler

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