Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – Phase comparison
Patent
1977-05-26
1979-12-25
Strecker, Gerard R.
Electricity: measuring and testing
Measuring, testing, or sensing electricity, per se
Phase comparison
324133, G01R 2500, G01R 1916
Patent
active
041807731
ABSTRACT:
An electronic circuit breaker (low voltage) device having three lead wires connected to the line side of the device, and four lead wires connected to two lamps, each of which is connected by two of the last said wires, the device being fitted into a small case and serving to test the voltage of electrical circuits.
REFERENCES:
patent: 2027864 (1936-01-01), Hand
patent: 2503598 (1950-04-01), Simkins
patent: 2816265 (1957-12-01), Chamberlain
patent: 4023075 (1977-05-01), Reuter
Shiao Monley M. Y.
Spector George
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