Low battery detector for a wireless sensor
US5942981A · kind A · utility
13Cited by
15References
30Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 9, 1996 |
| Grant date | Aug 24, 1999 |
| Priority date | — |
| Expiry date | Feb 9, 2016 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG08B29/181
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
Measuring the critical value of a parameter of a sensor in a security system (e.g., battery voltage) is performed at a time when the critical value is most likely to be reached, and the critical value information is sent from the sensor to a system controller at a time when the information is most likely to be successfully received.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.