| 发明名称 |
Autofocus using a holographic aperture element |
| 摘要 |
Autofocus methods and digital cameras employing a holographic element or hologram. The holographic element generates one or more displaced images that are processed to generate a bipolar contrast signal that provides for improved autofocus performance of the digital camera.
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| 申请公布号 |
US7016604(B2) |
申请公布日期 |
2006.03.21 |
| 申请号 |
US20040089553 |
申请日期 |
2004.06.12 |
| 申请人 |
HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P. |
发明人 |
STAVELY DONALD J.;CAMPBELL DAVID K.;AAS ERIC F.;HOFER GREGORY V.;WOODS SCOTT A.;DALTON DAN L.;SPEARS KURT E. |
| 分类号 |
G03B13/36;G03B13/00;G03B13/32;G03B17/02;H04N5/232 |
主分类号 |
G03B13/36 |
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