Electrical connectors – With indicating or identifying provision – Connection indicating provision
Patent
1989-08-03
1990-07-03
Paumen, Gary F.
Electrical connectors
With indicating or identifying provision
Connection indicating provision
439504, 320 25, 320 48, 340636, H01R 1100
Patent
active
049387120
ABSTRACT:
A pair of improved jumper cables one end of which automatically lights when the other is arbitrarily connected to a source battery and also automatically indicates the polarity of the source battery by means of light emitting diodes. Also when a pair of probes at the lighted end is arbitrarily connected to the destination battery, the polarity of the destination battery is automatically indicated by means of light emitting diodes. The polarities of the source battery and the destination battery are displayed together on the face of one of the clamps at the lighted end. By a comparison of the indicated polarities the correct connection can be made.
REFERENCES:
patent: 3259754 (1966-07-01), Matheson
patent: 3936121 (1976-02-01), Leinberger
patent: 4145648 (1979-03-01), Zender
patent: 4272142 (1981-06-01), Zapf
patent: 4420212 (1983-12-01), Wright
patent: 4488147 (1984-12-01), Signorile
patent: 4840583 (1989-06-01), Moore
Fors Arne I.
Paumen Gary F.
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