Self-contained selectively activated mobile object position reporting device with reduced power consumption and minimized wireless service fees.
US6693585B1 · kind B1 · utility
Assignee
Inventor
Key dates
| Filing date | Feb 7, 2002 |
| Grant date | Feb 17, 2004 |
| Priority date | — |
| Expiry date | Mar 15, 2022 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01S2205/008
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A system for selectively reporting the position of a person, animal, vehicle, or other mobile object utilizes a low power remote tracking device with a one-way tone-only paging receiver, wireless telephone transceiver, and location-sensing device such as a GPS unit. The paging receiver responds to remotely initiated activation signals to selectively power-up the location-sensing device and transceiver. The location-sensing device determines position, whereupon the transceiver places a call to report the tracking device's position. Position reports may be transmitted upon request, or repeatedly upon a predetermined schedule. The mobile tracking device may deactivate automatically, or in response to a further deactivation
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.