Magnetic ink character reader system

Details Magnetic ink character reader system Magnetic ink character reader system

G - Physics

06

K

354/61

G06K 7/08 (2006.01) G06K 9/00 (2006.01)

Patent

CA 1114507

Abstract of the Disclosure There is disclosed a magnetic character reader system for reading and identifying magnetized characters printed on a document such as a check, in which analog waveforms derived from scanning the characters are analyzed by rectifying and integrating the waveform to generate a value representing the gain of a programmable gain amplifier for use in amplifying the waveform to compensate for variations in ink intensity. Means are provided for generating n value representing the center of gravity of the area under each peak of the amplified waveform for use in retiming the peak sampling windows for compensating for variations in the speed of the document past the magnetic read head. Digital values representing the area under each peak curve in the waveform are compared with corresponding values of a plurality of reference characters to identify the unknown character.

310102

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