Battery service life indicator
US4380726A · kind A · utility
40Cited by
7References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 18, 1978 |
| Grant date | Apr 19, 1983 |
| Priority date | — |
| Expiry date | Jul 18, 1998 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S320/21
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The electronic apparatus is provided with a device for informing the operator of information on the service life of the battery employed for driving the electronic apparatus.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.