Optical device
US6456436B2 · kind B2 · utility
11Cited by
11References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 29, 2001 |
| Grant date | Sep 24, 2002 |
| Priority date | — |
| Expiry date | Mar 5, 2021 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B3/0068
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An optical device includes a plurality of lens plates spaced at specific intervals. At least one of the lens plates is provided with a lens array on at least one of its front and rear faces. The lens array is composed of a plurality of closely arranged lenses of a specific configuration. The lens array has at least one groove having a V-shaped cross-sectional configuration at a joint of adjacent lenses in at least one part of the lens array.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.