Color wheel and washer thereof
US6705733B1 · kind B1 · utility
8Cited by
7References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 21, 2003 |
| Grant date | Mar 16, 2004 |
| Priority date | — |
| Expiry date | Feb 21, 2023 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B7/006
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A color wheel including a motor, a color filter and a washer. The color filter is set on the motor. The washer is set both on the motor and the color filter and the color filter is set between the washer and the motor. A recess is formed between a circumferential edge of an outer surface of the washer and the color filter. In addition, the invention also provides a washer of a color wheel.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.