Electronic apparatus and fuel cell system
US7875999B2 · kind B2 · utility
0Cited by
1References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 23, 2008 |
| Grant date | Jan 25, 2011 |
| Priority date | — |
| Expiry date | Sep 23, 2028 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/50
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A PDA, which functions as an electronic unit, includes power supply which includes a fuel cell unit and an auxiliary power supply which is charged by an output of the fuel cell unit. A non-use state of the PDA is detected by non-use detection unit. Upon detection of the non-use state by the non-use detection unit, the output from the fuel cell unit is stopped and an output of the auxiliary power supply is shut off.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.