Reducing acoustical noise in differently aiming sub-frames of image data frame
US7586503B2 · kind B2 · utility
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25Claims
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Key dates
| Filing date | Jul 30, 2005 |
| Grant date | Sep 8, 2009 |
| Priority date | — |
| Expiry date | Sep 21, 2027 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09G2340/0421
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A modulator is controlled in accordance with each sub-frame of a frame of image data. An aiming mechanism is physically adjusted to differently aim each sub-frame. Acoustical noise in physically adjusting the aiming mechanism is reduced.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.