Authorization system of navigation device and associated authorization method
US8082582B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 21, 2008 |
| Grant date | Dec 20, 2011 |
| Priority date | — |
| Expiry date | Feb 22, 2030 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F2221/2141
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
An authorization system of a navigation device includes a first identification (ID) module and a second ID module. The first ID module is arranged to perform authorization for a first portion of the navigation device, and the second ID module is arranged to perform authorization for a second portion of the navigation device. The first and the second ID modules perform bidirectional authorization of the first and the second portions, and further determine behavior of the navigation device according to a result of the bidirectional authorization. An associated authorization method for controlling the navigation device is further provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.