Display hologram
US5455693A · kind A · utility
158Cited by
7References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 29, 1994 |
| Grant date | Oct 3, 1995 |
| Priority date | — |
| Expiry date | Aug 29, 2014 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03H2223/16
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A display hologram structure including a display hologram configured for reconstruction with a playback beam having a predetermined wavefront configuration, and a light configuring hologram that provides playback illumination for the display hologram pursuant to diffraction of an off-axis playback beam that does not have the predetermined wavefront configuration, and wherein the playback illumination provided by the light configuring hologram has the predetermined wavefront configuration.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.