Methods and apparatus for controlling projectors
US7494226B2 · kind B2 · utility
1Cited by
10References
31Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 21, 2005 |
| Grant date | Feb 24, 2009 |
| Priority date | — |
| Expiry date | Apr 14, 2027 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B26/10
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An optical component of a projector is driven with a signal that contains one or more components that act to substantially cancel one or more unwanted oscillatory displacements of the optical component resulting from one or more unwanted oscillatory forces.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.