System and method for aligning reference marks on a lens blank using adjustable alignment marks
US7080907B2 · kind B2 · utility
1Cited by
21References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 13, 2004 |
| Grant date | Jul 25, 2006 |
| Priority date | — |
| Expiry date | Dec 13, 2024 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG05B2219/45157
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
The disclosed invention relates to a system and method for aligning reference marks defining the optical center or major reference point on a lens blank with a series of alignment marks, or “fiducials”. The fiducials comprise first and second alignment bars displayed on a display operably associated with a computer, and overlay the reference marks, also displayed on the display. The fiducials may be adjusted to accurately precisely align the lens blank.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.