Speed compensation scheme for reading micr data

Details Speed compensation scheme for reading micr data Speed compensation scheme for reading micr data

G - Physics

06

K

354/61

G06K 9/42 (2006.01) G06K 7/016 (2006.01) G06K 9/00 (2006.01) G06K 9/18 (2006.01)

Patent

CA 1306542

A SPEED COMPENSATION SCHEME FOR READING MICR DATA Abstract of the Disclosure A method and apparatus for providing a speed compensation scheme for reading MICR data on a document. The magnetic waveform for a character is sampled at periodic rates and converted to first bytes of data which are placed in a first memory. The velocity of the document is sampled at second periodic rates and the instantaneous values of the speed of the document are placed in a second memory as second bytes of data. A processor is used to remove the second bytes of data from memory and to calculate an average speed of the document for an associated examining window consisting of a predetermined number of the first bytes of data. The width of the examining window is adjusted in accordance with the average speed compared to an anticipated normal speed.

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