Geometrical instruments
Patent
1978-12-18
1979-12-25
Abrams, Neil
Geometrical instruments
324 51, 339182R, H01R 1918, G01R 3102
Patent
active
041803027
ABSTRACT:
This specification discloses a connector plug for connecting a vehicle electrical system tester to the cigar lighter socket of a vehicle for the purpose of testing portions of the vehicle electrical system. The connector plug can have two separate connections to the positive side of the battery so that one connection can be used to power the tester and, independently, the other connector can be used to monitor the voltage change across the battery. Further, the plug can also include a static shield for eliminating a static electric charge on the vehicle electrical system tester as the plug is inserted into the cigar lighter thus preventing the static charge from damaging sensitive measurement circuitry or altering memory circuitry.
REFERENCES:
patent: 3145337 (1964-08-01), Lipson
patent: 3281756 (1966-10-01), O'Keefe
patent: 3617870 (1971-11-01), Howes
patent: 3737767 (1973-06-01), Slutsky
patent: 3783378 (1974-01-01), Mildner
patent: 3813632 (1974-05-01), Drewry
Abolins Peter
Abrams Neil
Brown John S.
Ford Motor Company
Sadler Clifford L.
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