Large display composite holograms and methods
US5734485A · kind A · utility
58Cited by
17References
33Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 25, 1995 |
| Grant date | Mar 31, 1998 |
| Priority date | — |
| Expiry date | Apr 25, 2015 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03H2270/24
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A composite hologram incorporates a plurality of hologram tiles arranged for display, each of the hologram tiles formed by exposing each of a plurality of different unexposed photographic plates simultaneously to light scattered by an intermediate hologram using a conjugate complex of a first reference wave from a coherent light source and to a second reference wave from the coherent light source.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.