Systems and methods for determining and managing the power remaining in a handheld electronic device
US7921309B1 · kind B1 · utility
25Cited by
70References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 14, 2007 |
| Grant date | Apr 5, 2011 |
| Priority date | — |
| Expiry date | Aug 1, 2029 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F21/109
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
Portable user devices, such as electronic book reader devices, may have a limited power supply. Power management techniques, such as current sensing, dynamic voltage measurement, and/or power state control may be used to manage power usage of such user devices.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.