Method of forming an image and image projection device
US8159733B2 · kind B2 · utility
28Cited by
4References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 5, 2008 |
| Grant date | Apr 17, 2012 |
| Priority date | — |
| Expiry date | Jun 3, 2030 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03H2225/52
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A method of forming an image comprising providing a device for imparting respective phase shifts to different regions of an incident wavefront, wherein the phase shifts give rise to an image in a replay field, and causing zero-order light to be focused into a region between the replay field and the device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.