Multiple-viewing-point floating image display device
US8123370B2 · kind B2 · utility
17Cited by
1References
12Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 4, 2008 |
| Grant date | Feb 28, 2012 |
| Priority date | — |
| Expiry date | Feb 25, 2029 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09G3/346
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A multiple viewing-point floating imaging device is comprised of a plurality of dihedral corner reflectors 1 arranged along an optical device plane S and rotated around an axis of rotation perpendicular to said plane, to point in a plurality of directions along said plane, whereby light rays from an object O near to said plane are reflected once each by the two mirrors of said dihedral corner reflectors while passing through said plane, forming a real image P in a plane-symmetric position, visible from multiple viewing points V1 and V2 by multiple observers simultaneously.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.