GPS receiver with encrypted data transmission
US7233282B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 11, 2003 |
| Grant date | Jun 19, 2007 |
| Priority date | — |
| Expiry date | Dec 11, 2023 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01S5/0036
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A GPS receiver device is disclosed comprising a GPS antenna and a GPS RF front-end including an analogue to digital converter for receiving GPS signals and outputting GPS signal samples; and a processor for encrypting the GPS signal samples and transmitting the encrypted GPS signal samples to an external device. Also disclosed is a corresponding method of providing a position fix comprising the steps of connecting to a GPS receiver device and receiving encrypted GPS signal samples therefrom, decrypting the encrypted GPS signal samples and processing the decrypted GPS signal samples to determine a position fix; and a computer program, computer-readable storage medium and apparatus for the same.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.