Mobile locator system and method
US7274294B2 · kind B2 · utility
13Cited by
50References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 26, 2005 |
| Grant date | Sep 25, 2007 |
| Priority date | — |
| Expiry date | May 30, 2025 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06Q10/08
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
A locator system includes a handheld unit for providing an interrogation signal. The handheld unit can be a handheld computer or PDA including an RF module. The interrogation signal is received by an RF tag. The RF tag can include a power source and a memory. The memory can store an indication of the date of installation of the battery. The tag unit can provide the indication to the handheld unit in response to the interrogation signal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.