Electrical connector and receptacle
US4518217A · kind A · utility
Inventor
Key dates
| Filing date | Apr 8, 1983 |
| Grant date | May 21, 1985 |
| Priority date | — |
| Expiry date | Apr 8, 2003 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.