Battery monitoring circuit and method
US7554299B2 · kind B2 · utility
6Cited by
5References
10Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 30, 2005 |
| Grant date | Jun 30, 2009 |
| Priority date | — |
| Expiry date | Aug 16, 2027 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01R35/04
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A battery-monitoring circuit detects rapid changes in current drawn from a battery by a device powered thereby. The circuit includes calibrating operating modes that determine voltage-to-frequency conversion parameters, and amplifier errors at various levels of battery voltage.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.