Optical lens or glass having a label and/or marking on the front surface and/or rear surface
US6948814B2 · kind B2 · utility
0Cited by
3References
14Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 23, 2004 |
| Grant date | Sep 27, 2005 |
| Priority date | — |
| Expiry date | Feb 23, 2024 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02C7/021
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
The invention relates to an optical lens or glass with an identification and/or marking on the front and/or rear surface. The inventive lens or glass with an identification and/or marking on the front and/or back surface is characterized by an identification and/or marking which consists of a plurality of elements, each element causing a spectral dispersion of the incident light and reflected light.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.