Magnetic ink recorder calibration apparatus and method

Details Magnetic ink recorder calibration apparatus and method Magnetic ink recorder calibration apparatus and method

1995-12-29

1998-01-27

Noland, Thomas P.

Electricity: measuring and testing

Magnetic

Magnetic information storage element testing

324202, 324226, 324260, G01R 3312, G01R 3500, G01N 2772

Patent

active

057125643

ABSTRACT:
A low-cost, portable, magnetic ink printer calibration system including a device which directly measures magnetic flux from recorded magnetic ink characters and provides an electrical signal representative of that flux, an amplifier to convert the electrical signal into a readable signal level, and a device to provide a measure of that signal level so that the signal can be compared to one produced by a reference character and the comparison results used for printer calibration.

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