Image analysis – Applications – Reading bank checks
Reexamination Certificate
2005-08-09
2005-08-09
Johns, Andrew W. (Department: 2621)
Image analysis
Applications
Reading bank checks
C382S320000
Reexamination Certificate
active
06928183
ABSTRACT:
Commercial establishments that add MICR indicia to commercial instruments usually do so via laser printers that produce a high gain signal. Moreover, commercially printed documents that include MICR indicia can also result in a high gain signal. MICR indicia generated by laser printers are difficult to decode, using conventional DC biasing methods, because the laser-generated MICR high gain signals become clipped. Therefore, in order to decode these distorted signals, the present system processes both low and high gain signals to decode the raw MICR data.
REFERENCES:
patent: 3868635 (1975-02-01), Shah et al.
patent: 3938089 (1976-02-01), McGregor et al.
patent: 4080528 (1978-03-01), Kao et al.
patent: 4148010 (1979-04-01), Shiau
patent: 4246473 (1981-01-01), Maussion
Campbell Terrence J.
Mitchell John G.
Schmid William M.
Axiohm Transaction Solutions, Inc.
Bond Schoeneck & King , PLLC
Johns Andrew W.
McGuire George R.
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