Edge detection apparatus and method

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United States of America Patent

PATENT NO 6850264
APP PUB NO 20040145648A1
SERIAL NO

10354260

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Abstract

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An edge detection apparatus for detecting an edge on a surface. The apparatus comprises a source of coherent radiation for generating a radiation beam and directing the beam onto the surface. A radiation detector is located so as to detect radiation diffusely reflected, but not specularly reflected, from the surface. A system is provided for causing relative scanning movement between the radiation beam and the surface. A monitor is coupled to the detector for monitoring the intensity of the detected radiation.

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Patent Owner(s)

Patent OwnerAddress
FUJIFILM ELECTRONIC IMAGING LIMITEDFUJI FILM HOUSE 125 FINCHLEY ROAD LONDON NW3 6

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hawes, William R Herts, GB 5 86

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Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges1831715458311178263401 - 1011 - 2021 - 3031 - 4041 - 5051 - 6061 - 7071 - 8081 - 9091 - 100100 +020406080100120140160180200220240260280300320340

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