Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – Frequency of cyclic current or voltage
Patent
1982-05-27
1985-08-20
Krawczewicz, Stanley T.
Electricity: measuring and testing
Measuring, testing, or sensing electricity, per se
Frequency of cyclic current or voltage
324 66, 1791753F, G01R 1900, G01R 3102, G01R 1512
Patent
active
045367035
ABSTRACT:
The integrity and connection of cable wires (10-13) extending between two banks of terminals (20-1 to 20-4 and 16-19) are checked for shorts of the wires to ground, to battery wiring between each other and for opens and misconnections or cross-connections of the wires. Unique recognition circuits are provided for controlling, analyzing (circuits 43, 53, 68, 92, 112, 181) and displaying (displays 23, 24, 31 and 32) the test results to accordingly apprise an operator(s) stationed at either or both ends of the cable.
REFERENCES:
patent: 3492571 (1970-01-01), Desler
patent: 4139745 (1979-02-01), Ashdown
patent: 4186282 (1980-01-01), Ellson
patent: 4186283 (1980-01-01), Simmonds
patent: 4257002 (1981-03-01), Helms
patent: 4399400 (1983-08-01), Rockwell
Jablway Ali N.
Mitchell Alexander M.
AT&T - Technologies, Inc.
de Picciotto M.
Krawczewicz Stanley T.
Miller R. P.
Solis Jose M.
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