Electricity: measuring and testing – Conductor identification or location
Patent
1980-06-19
1984-01-31
Strecker, Gerard R.
Electricity: measuring and testing
Conductor identification or location
G01R 1900, G01R 3102
Patent
active
044292740
ABSTRACT:
A portable wire locator device for sequential identification of conductors within a cable includes a diode matrix board arranged with a plurality of wire-receiving terminals which are arranged into evenly spaced rows and columns, a plurality of lights arranged into a row of lights and into a column of lights and a source of electrical power. The source of electrical power is a battery and is coupled in parallel to the lights in the row and the lights in the column which in turn are coupled to the various wire-receiving terminals of the matrix board. Each wire-receiving terminal is coupled through a first diode to one light of the row and through a second diode to one light of the column so that each wire-receiving terminal corresponds to one and only one pair of lights. Similarly, each pair of lights corresponds to one and only one wire-receiving terminal. Wire identification by means of the locator device is performed by first connecting each identified wire at one end of a conduit to a different wire-receiving terminal. Next, the opposite end of the conduit is sequentially contacted, one wire at a time, by the opposite side of the battery. As each unidentified wire end is contacted, a different pair of lights will illuminate. The grid intersection corresponding to that pair of lights indicates the wire identification.
REFERENCES:
patent: 1738710 (1929-12-01), Jones
patent: 3440531 (1969-04-01), Jasorka et al.
patent: 3470467 (1969-09-01), Cammer et al.
patent: 3609538 (1971-09-01), Schag
patent: 3867692 (1975-02-01), Esch
patent: 4041383 (1977-08-01), Howard
Hamblen Gage Corp.
Snow Walter E.
Strecker Gerard R.
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