Viewing cone adjustment system
US8665381B2 · kind B2 · utility
0Cited by
6References
29Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 22, 2005 |
| Grant date | Mar 4, 2014 |
| Priority date | — |
| Expiry date | Feb 22, 2032 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N9/3141
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
One embodiment of a viewing cone adjustment system includes a projection lens that defines a projection lens optical axis adjustably offset from a viewing screen optical axis, and an image source device that defines an image source optical axis adjustably offset from the projection lens optical axis.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.