Portable alarm device
US8643486B2 · kind B2 · utility
27Cited by
2References
37Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 20, 2008 |
| Grant date | Feb 4, 2014 |
| Priority date | — |
| Expiry date | Jul 21, 2030 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG08B25/08
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
A portable alarm device includes a portable enclosure, a wireless communication system disposed in the portable enclosure and configured to receive a signal from a monitoring device. The device further includes a processor in communication with the wireless communication system and wherein the processor is configured to initiate an alert when the signal indicates that the portable enclosure is beyond a pre-determined distance from the monitoring device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.