Position calibration of a spot of an optical sensor
US8736905B2 · kind B2 · utility
2Cited by
13References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 15, 2011 |
| Grant date | May 27, 2014 |
| Priority date | — |
| Expiry date | Jun 27, 2032 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N1/6044
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A method for position calibration of a spot of an optical sensor may include providing a position calibration patch on a sheet at a predetermined position, along a scan path of the spot across the sheet, the patch comprising at least two adjacent blocks of different colors. The method may also include obtaining a single sample of the position calibration patch using the optical sensor. The method may further include determining from the single sample the position of the spot of the sensor with respect to the position calibration patch.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.