Position detection system
US7405390B2 · kind B2 · utility
1Cited by
2References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 3, 2006 |
| Grant date | Jul 29, 2008 |
| Priority date | — |
| Expiry date | Jan 19, 2027 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01S1/7034
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A plurality of optical beacons that emit light in respective light emitting patterns containing an ID code are distributed and installed in a space in which of a mobile body are moved. The mobile body is provided with a detection unit. The detection unit identifies at least three optical beacons according to the ID codes of the lights emitted according to the optical beacons and detects the direction of light emitted according to each of the identified optical beacons. Then, it detects the position of the mobile body according to the outcome of detection.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.