Method and apparatus for communicating the existence of an emergency situation without uniquely identifying the source of the communication
US7656285B2 · kind B2 · utility
1Cited by
5References
24Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 2, 2005 |
| Grant date | Feb 2, 2010 |
| Priority date | — |
| Expiry date | Jul 5, 2026 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG08B25/009
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
A system in which one or more alarm sources (10), can wirelessly communicate with a receiver (30), to activate an alarm and does not contain any identification that indicates the communication's source (10). The system may include “repeaters” (40), whose function is to relay the communication from one station to another over distances longer than can be reached by a single transmitter (10), Apparatuses for transmitting (10), repeating (40), and receiving (30), are also disclosed, as well as a communication system comprised of various elements of these.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.