Battery-powered communications apparatus
US6501968B1 · kind B1 · utility
19Cited by
20References
69Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 17, 1998 |
| Grant date | Dec 31, 2002 |
| Priority date | — |
| Expiry date | Jun 15, 2018 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02D30/70
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A battery-powered communications apparatus has a communications unit and an additional function unit. The additional function unit is controlled in dependence upon residual battery capacity in such a manner that the communications unit can be used until a time set by the a time setting unit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.