Systems and methods for improving calibration of a linear...

Details Systems and methods for improving calibration of a linear... Systems and methods for improving calibration of a linear...

2007-08-14

2007-08-14

Le, Que T. (Department: 2878)

Radiant energy

Photocells; circuits and apparatus

With circuit for evaluating a web, strand, strip, or sheet

C250S205000

Reexamination Certificate

active

11593121

ABSTRACT:
Systems and methods provide calibration for a linear array sensor. A test pattern having a plurality of lines is used. Comparison between expected and measured spacing between a pair of neighboring lines is used to determine sensor position displacement.

REFERENCES:
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patent: 4516253 (1985-05-01), Novak
patent: 4641256 (1987-02-01), Marchegiano et al.
patent: 5087933 (1992-02-01), Stearns
patent: 5713062 (1998-01-01), Goodman et al.
patent: 5897239 (1999-04-01), Caruthers, Jr. et al.
patent: 5905808 (1999-05-01), Shen et al.

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