Blur filter for eliminating aliasing in electrically sampled images
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United States of America Patent
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Oct 28, 1997
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N/A
app pub date -
Apr 5, 1995
filing date -
Apr 5, 1995
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Abstract
A blur filter for use with a multi-element electro-optical sensor is formed with a plurality of diffractive elements positioned adjacent each other with each of the elements being comprised of uniformly spaced concentric diffractive features. The plurality of diffractive elements are secured in a plane near the sensing surfaces of a multi-element electro-optical sensor. Each element of the multi-element sensor has a plurality of sensing surfaces for receiving incident light from a plurality of diffractive features.
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