Position reporting cellular telephone
US5625668A · kind A · utility
442Cited by
5References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 12, 1994 |
| Grant date | Apr 29, 1997 |
| Priority date | — |
| Expiry date | Apr 12, 2014 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01S2205/008
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A cellular telephone system embodiment of the present invention comprises a combination global positioning system (GPS) receiver and cellular transceiver and a data processing facility for converting latitude, longitude, velocity and bearing information provided by the GPS receiver into meaningful descriptors that are spoken with a speech synthesizer back to the cellular transceiver or an outsider who calls in an inquiry to a "1-900" service.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.