Apparatus for displaying a plurality of viewable images of an object
US5726806A · kind A · utility
23Cited by
15References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 25, 1995 |
| Grant date | Mar 10, 1998 |
| Priority date | — |
| Expiry date | Jul 25, 2015 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B2027/0118
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An apparatus for displaying an image comprises a) a retroreflective screen, b) a polarising beam-splitter making an oblique angle with the screen, c) a device for projecting light from an image or object toward the screen through the beam-splitter, and d) a partially reflective light transmissive sheet being provided at an oblique angle to the beam-splitter such that the sheet may be view through the beam-splitter. The apparatus may be used as a head up display in which real and virtual images in respective positions may be viewed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.