Pattern detecting apparatus

Details Pattern detecting apparatus Pattern detecting apparatus

1995-06-02

1996-11-19

Rosenberger, Richard A.

Optics: measuring and testing

Document pattern analysis or verification

G06K 920

Patent

active

055768253

ABSTRACT:
A pattern detecting apparatus having an irradiating means for emitting light and irradiating a surface of an object whose pattern is to be detected, and a light detecting means for detecting light reflected from the surface of or transmitted through the object, wherein a pattern on the surface of the object is detected based on information from the light detecting means is disclosed. The pattern detecting apparatus further comprises a light transmitting means for transmitting light advancing in a predetermined direction. The light transmitting means is positioned between the object and the light detecting means such that the predetermined direction coincides with the direction in which the reflected or transmitted light from the object advances.

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R. J. Potter, "Multichannel Flying Spot Scanner", Technical Disclosure Bulletin, vol. 6, No. 6, Nov. 1963.
Patent Abstract of Japan, vol. 12 No. 366 (P-765) Sep. 1988 re JP-A-61-260589.

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