Optic with extruded conic profile
US8767294B2 · kind B2 · utility
98Cited by
5References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 5, 2011 |
| Grant date | Jul 1, 2014 |
| Priority date | — |
| Expiry date | Jan 7, 2032 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03B21/005
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A transmission optic having a transparent sheet with opposing front and back faces and an end face adjacent the front and back faces. The separation between the back face and a nearest point on the front face varies as a conic function of distance along the front face from that point to the end face.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.