Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – Frequency of cyclic current or voltage
Patent
1980-11-17
1983-07-19
Krawczewicz, Stanley T.
Electricity: measuring and testing
Measuring, testing, or sensing electricity, per se
Frequency of cyclic current or voltage
324 60C, G01R 3108, G01R 1152
Patent
active
043946160
ABSTRACT:
Method and apparatus for determining the location of a break in a pair of wires of a multi-wire cable are disclosed. The method and apparatus permit such breaks to be found with a high degree of accuracy. The method and apparatus are especially useful in connection with locating breaks in seismic cables.
REFERENCES:
patent: 2490377 (1949-12-01), MacLean
patent: 3230449 (1966-01-01), Kaiser
patent: 3248646 (1966-04-01), Brazee
patent: 4095174 (1978-06-01), Ishido
Archir Fur Technisches Messen, V35194-1 through V35194-7, 1931 through 1/1960.
Browne Edward M.
Smither Miles A.
Geosource Inc.
Goodman Kenneth D.
Krawczewicz Stanley T.
Solis Jose M.
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