Palm-size projector light with annular lens and rotatable adjustment ring for changing patterns of emitted light
US6102553A · kind A · utility
3Cited by
5References
5Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 26, 1998 |
| Grant date | Aug 15, 2000 |
| Priority date | — |
| Expiry date | Feb 26, 2018 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B27/20
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A palm size laser indicator disk capable of adjusting the shapes of light emitted therefrom includes an adjustment ring, a disk cover, a disk, an annular lens, a laser generating component, and a plurality of connecting screws. By turning the adjustment ring, one of a plurality of patterns of high transparency and different shapes may be caused to be penetrated by the laser light to generate different light shapes.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.