Security system with audible link and two-way communication
US6175307A · kind A · utility
42Cited by
1References
8Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 18, 1997 |
| Grant date | Jan 16, 2001 |
| Priority date | — |
| Expiry date | Mar 18, 2017 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG08B25/014
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
The security system uses two-way audible type communication signals between a detector and a control panel. Each of these devices include microphones and processing arrangements for filtering the signals to recognize and evaluate the communication signals. The microphone of the control panel can preferably be part of an alarm detection and also part of a two-way voice communication with a monitoring station. This arrangement is convenient to install, reliable and cost effective.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.