Electricity: measuring and testing – Conductor identification or location
Patent
1986-03-25
1987-03-24
Krawczewicz, Stanley T.
Electricity: measuring and testing
Conductor identification or location
324 51, G01R 1900
Patent
active
046528130
ABSTRACT:
For use with a wiring system having a plurality of wires, a control device having a detector having a plurality of actuatable, observable parts which are numbered, and an electrical circuit coupled with the detector for actuating a specific numbered part thereof when a lead of the circuit is coupled to a particular wire. The apparatus is essentially suitable for use in wiring system in which a plurality of wires extend from respective remote stations to a central station. In one embodiment, numbered resistance modules are coupled to the wires at respective remote locations to assign numbers to the wires, and the control device is at the central station for identifying the wires at the central station by successive actuation of the numbered parts of the detector unit. In a second embodiment, a resistance block is coupled to the wires at the central station to assign numbers to the wires, and the control device is used at the remote stations to identify the wires at such remote stations. The detector unit can include a group of light emitting diodes or a liquid crystal display.
REFERENCES:
patent: 2666898 (1954-01-01), Meldal
patent: 2822519 (1958-02-01), Murphy
patent: 3054949 (1962-09-01), Bates et al.
patent: 3728616 (1973-04-01), Cheek et al.
patent: 3982180 (1976-09-01), Vaiden
patent: 4130794 (1978-12-01), Cox
Bakke David C.
Bakke John S.
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