Battery monitor
US7643951B2 · kind B2 · utility
6Cited by
12References
69Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 6, 2005 |
| Grant date | Jan 5, 2010 |
| Priority date | — |
| Expiry date | May 6, 2025 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01R31/36
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A circuit tracks the total amount of time that a host device has spent in its high power “activated” state (and optionally idle and hibernate states) and thereby can estimate the total power consumed by the host device. A remote device can query the state of a counter storing a value representing this time to accurately determine how much of the energy has been consumed by the host device and how much time is left and/or how many more operations can be performed before the host device's battery is exhausted.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.