Personal communication system to send and receive voice data positioning information
US6148261A · kind A · utility
652Cited by
40References
42Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 20, 1997 |
| Grant date | Nov 14, 2000 |
| Priority date | — |
| Expiry date | Jun 20, 2017 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09B29/106
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A location tagged data provision and display system. A personal communication device (PCD) with electromagnetic communication capability has a GPS receiver and a display. The PCD requests maps and location tagged data from data providers and other for display on the PCD. The data providers respond to requests by using searching and sorting schemes to interrogate data bases and then automatically transmitting data responsive to the requests to the requesting PCD.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.