Portable terminal battery pack and apparatus and method for controlling battery unit of the battery pack to extend battery use time
US8975869B2 · kind B2 · utility
4Cited by
3References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 8, 2011 |
| Grant date | Mar 10, 2015 |
| Priority date | — |
| Expiry date | Jul 23, 2033 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02J7/0024
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Disclosed is a portable terminal, a battery pack and an apparatus for controlling a battery unit. The battery pack includes k battery units, wherein k is an integer of 2 or more; a power supply control unit that conducts control operation such that at least one of the k battery units supplies a power to a load by a time period, and other battery units except for the at least one are in an idle state in a whole or part of the time period.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.