Battery depletion monitor
US4313079A · kind A · utility
28Cited by
2References
3Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jan 16, 1980 |
| Grant date | Jan 26, 1982 |
| Priority date | — |
| Expiry date | Jan 16, 2000 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S320/21
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A CMOS inverter is used to compare pacemaker battery voltage to a referenced voltage. When the reference voltage exceeds the measured battery voltage, the inverter changes state to indicate battery depletion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.