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US9429641B2 · kind B2 · utility
0Cited by
26References
20Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 9, 2008 |
| Grant date | Aug 30, 2016 |
| Priority date | — |
| Expiry date | Sep 26, 2030 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06Q30/02
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A portable device arranged to repeatedly determine its position, determine when it has been in the same location for a predetermined length of time on the basis of the periodically determined positions and, when it determines that it has been in the same location for the predetermined length of time, keep a record of that location. The device being further arranged to perform said determining and recording continuously and independently of a user.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.