Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – Frequency of cyclic current or voltage
Patent
1974-10-31
1976-06-08
Mullins, James B.
Electricity: measuring and testing
Measuring, testing, or sensing electricity, per se
Frequency of cyclic current or voltage
324 56, 324133, 324149, G01R 3102
Patent
active
039626300
ABSTRACT:
A circuit testing device comprises
A. multiple probes at least one of which is sized for insertion into a single electrical socket receptacle to test for the presence of voltage, and two of which are applicable to spaced conductive elements to test for electrical continuity therebetween externally of said device,
B. detection means operatively connected with said probes and including indicator means to indicate the presence or absence of voltage when said one probe is inserted into said socket single receptacle, and to indicate the presence or absence of electrical continuity when said two probes are applied to said spaced conductive elements.
REFERENCES:
patent: 3416074 (1968-12-01), Shoonover
patent: 3612999 (1971-10-01), Bergerlo et al.
Haefliger William W.
Mono-Probe Corporation
Mullins James B.
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