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US 2003/0164945 A1Published application
Image comparator
AssigneeMr. Wen-Tsao Lee
InventorWen-Tsao Lee
Life of this patent
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Abstract
The present invention relates to a comparator of image. In a preferred aspect, the comparator of the invention includes an electronic image display, which shows a picture image for reference, a splitter mirror with a mirror forming an optical path, and making comparison between reference image and image of pattern selected, both images are projected to the same optical plan on the optical path, through overlapping process to achieve precise comparison.
Claims16
An image comparator, comprising:
- a) an electronic image display, which provides a reference image;
- b) a first mirror, which making reflection of image;
- c) a first light source, which illuminates first pattern for first image;
- d) a first splitter mirror, which making partial penetration and reflection of image, with mirror to form an optical path, both reference image and image of pattern are projected to splitter mirror.
1 more element
Dependencies are inferred from the claim text.