High definition television head mounted display unit
US5348477A · kind A · utility
43Cited by
5References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 10, 1992 |
| Grant date | Sep 20, 1994 |
| Priority date | — |
| Expiry date | Apr 10, 2012 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B2027/0143
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An optical image is generated by an image source and is transmitted to an optical assembly by a fiber optic cable or cables. The optical assembly includes a transmission lens or lenses, rear projection screens and an eyepiece. By using a rear projection screen in the optical assembly, a non-pupil forming arrangement is provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.