Infrared beacon positioning system
US6292744A · kind A · utility
7Cited by
14References
33Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 25, 2000 |
| Grant date | Sep 18, 2001 |
| Priority date | — |
| Expiry date | Sep 25, 2020 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01S2201/01
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A positioning system including a light source, infrared beacon and controller. The infrared beacon broadcasts a signal. The positioning system may be used with a portable computing device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.