| 发明名称 |
System for enhancing the quality of an image |
| 摘要 |
A system for enhancing the quality of an image on a screen is provided. The system typically includes an illumination source configured to produce light and direct such light along an optical path, and a time-varying focus device disposed in the optical path and configured to periodically alter incident light to enhance the quality of the image on the screen.
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| 申请公布号 |
US6832839(B2) |
申请公布日期 |
2004.12.21 |
| 申请号 |
US20030699435 |
申请日期 |
2003.10.31 |
| 申请人 |
HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P. |
发明人 |
CHILDERS WINTHROP D.;ALLEN WILLIAM J. |
| 分类号 |
G02B5/10;G02B27/18;G03B21/00;H04N5/74;H04N9/31;(IPC1-7):G03B21/00;G03B21/14;G03B21/56;G03B3/00;H04N9/12 |
主分类号 |
G02B5/10 |
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