Dual battery control system
US5610496A · kind A · utility
30Cited by
11References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 30, 1995 |
| Grant date | Mar 11, 1997 |
| Priority date | — |
| Expiry date | Jun 30, 2015 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S320/11
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A portable device such as a bar-code reader employing a dual battery control system whereby an auxiliary battery powers the portable device until a primary battery is automatically connected to continue powering the portable device is disclosed. The portable device employs an electrical interface means which operatively connects with an interface means of a holster in which the portable device is placed. The holster comprises some or all of the circuitry necessary to properly control first and second switch means which connect or disconnect the primary and auxiliary batteries from the electronic load of the portable device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.