Light source movable projector
US11131916B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 24, 2020 |
| Grant date | Sep 28, 2021 |
| Priority date | — |
| Expiry date | Jan 24, 2040 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03B21/206
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
The present disclosure provides a projector including a first and a second guide members having a shape of a portion of an annular ring and comprising a first and as second slots formed along a ring line, respectively, the second slot overlapping the first slot at one point, a first and a second driving parts configured to rotate the first guide member, and a light source part having a vertical axis tilted in a state in which the light source part is constrained to the first slot and the second slot including a first and a second movable members configured to move in a longitudinal direction of the first and second slots, respectively, and a light source formed in an outer end portion of the light source part and fixed to one of the first movable member and the second movable member to move.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.