Method of calibrating a magnetic character bearing document
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United States of America Patent
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Jan 30, 1996
Issued Date -
N/A
app pub date -
May 4, 1994
filing date -
Nov 9, 1992
priority date (Note) -
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status (Latency Note)
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Abstract
A method of calibrating a document having a magnetic character on the document comprises measuring by testing equipment, magnetic flux level of a known current passed through a specified conductor to establish a first signal having a first signal strength represented by a unit value, passing the document through the testing equipment to provide a second signal having a second signal strength produced by magnetic flux of the character and assigning a value to the second signal strength in comparison to and shown in units as a percentage of the unit value of the first signal strength.
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