Portable power supply
US7489105B2 · kind B2 · utility
36Cited by
26References
49Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 21, 2006 |
| Grant date | Feb 10, 2009 |
| Priority date | — |
| Expiry date | Apr 15, 2027 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/49895
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A portable electrochemical power supply for handheld electronic devices, such as cellular telephones, is disclosed. The power supply includes a housing with an electrical connector, a circuit board, and a removable electrochemical cell disposed therein. The circuit board carries power supply circuitry which receives electrical energy from the electrochemical cell and provides a power supply output for powering an external device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.