Automatic inspection device

Details Automatic inspection device Automatic inspection device

1985-09-05

1987-09-08

Groody, James J.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

358101, H04N 718

Patent

active

046928006

ABSTRACT:
An object to be inspected is illuminated and its image is picked up by an optical image sensor which provides a video signal thereof. The optical image is divided into at least two portions which are mutually symmetrical to each other, and the specific video signals of corresponding parts of the mutually symmetrical portions are compared sequentially to thereby determine whether the object has a defect or not.

REFERENCES:
patent: 4345312 (1982-08-01), Yasuye et al.
patent: 4352125 (1982-09-01), Guth
patent: 4484542 (1984-06-01), Miyazawa
patent: 4532650 (1985-07-01), Wihl et al.

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