Portable alarm system
US5587701A · kind A · utility
78Cited by
16References
4Claims
0Family size
Inventor
Key dates
| Filing date | Sep 9, 1994 |
| Grant date | Dec 24, 1996 |
| Priority date | — |
| Expiry date | Sep 9, 2014 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29L2031/3431
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
A portable alarm system is disclosed in which the alarm functions are contained within a portable enclosure, communication is maintained between the enclosure and wireless security contacts placed at points of entry, and the alarm is capable of initiating a telephone call to a security monitor station either by conventional hard wired telephone lines within a building, or by cellular transmission, or via 800 MHz trunking.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.