Wireless alarm system
US5625338A · kind A · utility
272Cited by
2References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 15, 1995 |
| Grant date | Apr 29, 1997 |
| Priority date | — |
| Expiry date | Sep 15, 2015 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG08B25/10
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
A security system having a two way wireless keypad which operates in a particular manner for improved operation. The keypad processes information to effectively reduce communications between the control panel and the keypad. The keypad selectively activates and deactivates a transmitter and receiver arrangement for power conservation reasons. The system provides confirmation of communications between the keypad and the control panel to increase the reliability of the system.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.