Servo feedback control based on designated scanning servo beam in scanning beam display systems with light-emitting screens
US8556430B2 · kind B2 · utility
6Cited by
161References
10Claims
0Family size
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Key dates
| Filing date | Dec 21, 2009 |
| Grant date | Oct 15, 2013 |
| Priority date | — |
| Expiry date | Sep 17, 2031 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01J3/513
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
Scanning beam display systems that scan one servo beam and an excitation beam onto a screen that emits visible light under excitation of the light of the excitation beam and control optical alignment of the excitation beam based on positioning of the servo beam on the screen via a feedback control.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.