Instant-on projector
US6988806B2 · kind B2 · utility
13Cited by
12References
22Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 9, 2003 |
| Grant date | Jan 24, 2006 |
| Priority date | — |
| Expiry date | Dec 9, 2023 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N9/3164
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A projection system is provided with a primary light source and an auxiliary light source to compensate the primary light source for at least white light during an initial period to provide a user with an instant-on experience. In various embodiments, the auxiliary light source further compensates the primary light source for energy deficiencies for the red spectrum to achieve more balance in color.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.