Interactive input system and method
US9207812B2 · kind B2 · utility
6Cited by
14References
39Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 11, 2013 |
| Grant date | Dec 8, 2015 |
| Priority date | — |
| Expiry date | Jan 11, 2033 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N25/50
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A method for adjusting the position of a light curtain emitted by an illumination assembly over a surface, comprises determining a position of the light curtain; calculating a difference between the determined position of the light curtain and a desired position of the light curtain; and adjusting the position of the illumination assembly based on the calculated difference.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.