Projector
US6846081B2 · kind B2 · utility
46Cited by
6References
33Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 18, 2003 |
| Grant date | Jan 25, 2005 |
| Priority date | — |
| Expiry date | Jul 18, 2023 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N9/3194
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An image sensor is installed in the vicinity of a projection lens. The image sensor images a projected and displayed image and a screen. A projection display area and a screen area are detected from the image imaged by the image sensor. An inputted image data is corrected so that the projection display area matches the screen area. The image to be displayed is automatically displayed in a shape, which matches a display surface of the screen.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.