Electrical wiring system for selectively actuating electrical lo

Details Electrical wiring system for selectively actuating electrical lo Electrical wiring system for selectively actuating electrical lo

1975-10-09

1977-06-07

Strecker, Gerard R.

Electricity: measuring and testing

Measuring, testing, or sensing electricity, per se

Frequency of cyclic current or voltage

307 10R, 307 38, 323 94R, 340172, G01R 3102, H02J 100, H04Q 108

Patent

active

040286207

ABSTRACT:
An electrical wiring system comprising an instruction unit including a switch mechanism having a plurality of contacts and an output unit connected to the instruction unit through a supply line and a signal line for generating a driving output corresponding to closed one of the contacts in the instruction unit. The instruction unit generates and sends to the output unit through the signal line a voltage signal corresponding to the closed one of the plurality of contacts, and the output unit identifies the closed contact according to the voltage signal received through the signal line and generates an output signal at one of its plurality of output terminals corresponding to the closed contact.

REFERENCES:
patent: 2822519 (1958-02-01), Murphy
patent: 3054949 (1962-09-01), Bates et al.
patent: 3182253 (1965-05-01), Dorsch et al.
patent: 3691452 (1972-09-01), Aguiar
patent: 3699438 (1972-10-01), Webb
patent: 3867692 (1975-02-01), Esch

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