Method and apparatus for detecting loss and location of a portable communications device
US6940407B2 · kind B2 · utility
78Cited by
10References
27Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 28, 2003 |
| Grant date | Sep 6, 2005 |
| Priority date | — |
| Expiry date | Oct 15, 2023 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG08B25/08
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
A portable communication device (10) includes a transceiver (12 and 14), an acceleration sensor (20) coupled to the transceiver, and a processor (16) coupled to the acceleration sensor. The processor is programmed to monitor (32) an acceleration profile of the portable communication device and compare (48 and 52) the acceleration profile of the portable communication device with at least one pre-stored acceleration profile (18).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.