Battery level indicator supplying data from a memory to a display in a power-off state
US4800336A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | May 18, 1987 |
| Grant date | Jan 24, 1989 |
| Priority date | — |
| Expiry date | May 18, 2007 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S320/19
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A battery level indicator for use with an electronic apparatus so arranged as to display, on an indicator, a real time voltage level detected by a voltage detector, when a battery is applying power to the electronic apparatus, and to display on the indicator the latest voltage read from a memory when the battery is not applying power to the electronic apparatus, whereby the indicator indicates how much power the battery will be able to supply to such electronic apparatus.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.