Apparatus for measuring decenter error of a lens
US7701563B2 · kind B2 · utility
1Cited by
2References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 28, 2008 |
| Grant date | Apr 20, 2010 |
| Priority date | — |
| Expiry date | Oct 17, 2028 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01M11/0221
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A lens decenter error measuring apparatus including a testing device, a lens supporter, and a lens carrier is disclosed. The testing device is configured for measuring a decenter error of a lens. The lens supporter is configured for receiving the lens. The lens carrier is installed within the lens supporter and includes at least three spheres and an elastic member. The spheres associated with the elastic member constrain the lens when the lens is placed in the lens supporter.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.