Electrical connector and receptacle

Details Electrical connector and receptacle Electrical connector and receptacle

1983-04-08

1985-05-21

Desmond, Eugene F.

Geometrical instruments

339177R, H01R 1718

Patent

active

045182175

ABSTRACT:
An electrical connector and receptacle for use with battery packs and battery charging equipment are disclosed. The electrical connector includes a two terminal coaxial plug and a third contact coaxial with the two terminal plug. The third contact may carry a signal responsive to a selected battery condition, such as temperature, while the two terminals of the coaxial plug carry battery supply voltage. In normal use, the electrical connector supplies power from a battery pack to portable battery powered equipment via an input jack of the portable equipment. The third contact is not used. When charging the battery pack, the electrical connector is plugged into an electrical receptacle of the battery charging equipment and the third contact delivers a signal to the battery charging equipment which indicates battery condition. The battery charging equipment receptacle which mates with the connector is also disclosed.

REFERENCES:
patent: 2338141 (1944-01-01), Steckel
patent: 2911614 (1959-11-01), Davis
patent: 3667026 (1972-05-01), Bogut et al.
patent: 3977907 (1976-08-01), Roth et al.
patent: 4018501 (1977-04-01), Maloof

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