Light source adjusting device
US7758194B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 30, 2006 |
| Grant date | Jul 20, 2010 |
| Priority date | — |
| Expiry date | Dec 23, 2027 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03B21/2046
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A light source adjusting device for a projector is provided. The light source adjusting device includes a base; an adjusting frame having a containing housing; a lamp disposed inside the containing housing as a light source of the projector; a connecting frame connected between the base and the adjusting frame; a first adjusting element disposed on the base and connected with the connecting frame; and a second adjusting element disposed on the base and connected with the adjusting frame, wherein the second adjusting element and the first adjusting element are disposed coplanarly, and a position of the connecting frame is adjusted by adjusting the first adjusting element and a position of the adjusting frame is adjusted by adjusting the second adjusting element, thereby driving the lamp so as to adjust a focal position of the light source adjusting device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.