Projector with narrow-spectrum light source to complement broad-spectrum light source
US6733139B2 · kind B2 · utility
26Cited by
12References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 3, 2002 |
| Grant date | May 11, 2004 |
| Priority date | — |
| Expiry date | Aug 7, 2022 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N9/3164
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A projector that has a narrow-spectrum light source to complement a broad-spectrum light source is disclosed. The broad-spectrum light source has a broad spectrum. The narrow-spectrum light source has a narrow spectrum complementing the broad spectrum of the broad-spectrum light source.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.