Rechargeable battery power supply overcharge protection circuit
US5982144A · kind A · utility
49Cited by
10References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 14, 1997 |
| Grant date | Nov 9, 1999 |
| Priority date | — |
| Expiry date | Jul 14, 2017 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02J7/00302
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A rechargeable power supply overcharge protection circuit is provided with shunt circuits that shunt current about a battery or battery cell (15, 16 and 17) of a string of battery cells when it is charged to a maximum charge limit. The shunt circuit includes shunt regulators (20) connected across each battery cell.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.