Energy efficient alarm system and regulative central control unit
US5144283A · kind A · utility
185Cited by
4References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 18, 1990 |
| Grant date | Sep 1, 1992 |
| Priority date | — |
| Expiry date | Jun 18, 2010 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG08B25/14
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
An alarm system includes an electronic central controller or control unit with an internal intrusion sensor. The controller is powered by a single nine volt battery. The system can be expanded by adding auxiliary sensors such as sound discriminators, glass breakage sensors and other low power battery operated sensors. The controller can perform all of the functions normally associated with large A.C. powered systems such as factory adjustable entry/exit and reset delays, entrance monitoring, and controlling of lights and message dialers. The system can be adapted for use in mobile environments.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.