Defect identification with normalizing of gain function in optic

Details Defect identification with normalizing of gain function in optic Defect identification with normalizing of gain function in optic

1975-05-14

1977-01-25

Wise, Edward J.

Registers

Transfer mechanism

Traveling pawl

356239, G06F 1500

Patent

active

040052818

ABSTRACT:
Method and apparatus for defect identification with normalizing of the optical-electrical inspection system gain function of scans across a full width of running product web in order to facilitate defect amplitude discrimination within the uneven portions of repetitive scan signals, and then, after accumulating a preselected number of gain-normalized scans, identifying protracted duration defect-related signals by amplitude discrimination.

REFERENCES:
patent: 3557354 (1971-01-01), Trimble
patent: 3800078 (1974-03-01), Cochran et al.
patent: 3843890 (1974-10-01), Anthony, Jr.

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