Camera module and optical touch screen using the same
US8976156B2 · kind B2 · utility
2Cited by
1References
13Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 15, 2011 |
| Grant date | Mar 10, 2015 |
| Priority date | — |
| Expiry date | Nov 29, 2031 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N23/54
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
The present invention relates to a camera module and an optical touch screen using the same, the camera module including a holder formed with a stair unit and opening, an infrared light emitting diode mounted at the stair unit for emitting an infrared, and an image sensor detecting the infrared through the opening.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.