Image display device and adjustment for alignment
US6631994B2 · kind B2 · utility
262Cited by
7References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 10, 2001 |
| Grant date | Oct 14, 2003 |
| Priority date | — |
| Expiry date | May 10, 2021 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N9/3147
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A refracting optical lens 15 is provided to project light from transmitting means onto a convex mirror 16 to correct for pincushion distortion of the convex mirror 16.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.