Electricity: measuring and testing – Fault detecting in electric circuits and of electric components – With electric power receptacle for line wire testing
Patent
1993-11-01
1996-06-11
Wieder, Kenneth A.
Electricity: measuring and testing
Fault detecting in electric circuits and of electric components
With electric power receptacle for line wire testing
324509, G01R 3102
Patent
active
055259081
ABSTRACT:
An electrical outlet wiring analyzer includes generator circuitry for periodically providing an alternating current pulse of one cycle at a frequency of an alternating current voltage supplied by an electrical outlet having a plurality of conductors. The wiring analyzer also includes connecting circuitry for electrically applying the alternating current pulse to at least one of the conductors and circuitry for determining an impedance of each of the conductors to which the alternating current pulse is applied. Another embodiment of the electrical outlet wiring analyzer includes pulser means for periodically providing a current pulse of one-half cycle at a frequency of an alternating current voltage supplied by an electrical outlet having a plurality of conductors. This embodiment of the electrical outlet wiring analyzer includes connecting circuitry for electrically applying the current pulse to at least one of the conductors and circuitry for determining an impedance of the conductors to which the current pulse is applied. Either of these embodiments of the electrical outlet wiring analyzer may further include circuitry for verifying electrical continuity and for determining polarity of the conductors of the electrical outlet and a voltage controlled switch that is electrically connected in series with the electrical continuity verifying and polarity determining circuitry. The voltage controlled switch prevents the electrical continuity verifying and polarity determining circuitry from operating with an electrical potential difference less than an electrical trigger potential difference of the voltage controlled switch circuitry.
REFERENCES:
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patent: 3996496 (1976-12-01), Volk, Jr.
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patent: 4857826 (1989-08-01), Graham
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Ecos Electronics Corporation, "Model 1020 Ground Impedance Tester"; 4 page Brochure; Date Unavailable.
"Sure Test Multi-Function Circuit Tester and E-Z Check Receptacle Circuit Testers"; Time Motion Tools 1989 catalog, p. 86. (Month Unavailable).
"SureTest Multi-Function Circuit Analyzers and BSK-B Accu-Test Ground Kit"; Specialized Products Co., Fall 1991 Catalog, p. 100 (Month Unavailable).
SEG Corporation
Tobin Christopher M.
Wieder Kenneth A.
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