发明名称 |
Illumination field blending |
摘要 |
A projection system that projects a text or subtitle box onto an image minimizes the contrast between the text box and the image. A transition region surrounding the text box minimizes visual disruption to the image onto which the text box is projected. The positions of optical elements of a text projector enable the text box to gradually fade out. The text projector has a lamp that defines an object plane and a light path modifier. The light path modifier is offset from the object plane, toward the lamp to blend the borders of the text box into the image projected by an image projector.
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申请公布号 |
US2005185154(A1) |
申请公布日期 |
2005.08.25 |
申请号 |
US20050112286 |
申请日期 |
2005.04.21 |
申请人 |
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发明人 |
WICHNER BRIAN D.;PETERSON MARK |
分类号 |
G03B21/26;H04N5/445;H04N5/74;(IPC1-7):G03B21/00 |
主分类号 |
G03B21/26 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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