Check-actuated control mechanisms – Control mechanism actuated by check – other than coin – which... – By pliant currency
Patent
1994-02-16
1995-11-14
Huppert, Michael S.
Check-actuated control mechanisms
Control mechanism actuated by check, other than coin , which...
By pliant currency
382135, G07F 704, G06K 928
Patent
active
054658217
ABSTRACT:
A sheet discriminating apparatus includes a plurality of light emitting elements arranged in a plurality of lines perpendicular to a sheet conveyance direction. A plurality of light receiving elements are positioned so that each faces an associated one of the light emitting elements. When a sheet is conveyed by the light emitting elements, at least one of the light receiving elements is partially screened by the side edge of the sheet. Length detection circuitry is provided for detecting the length of the sheet in a direction perpendicular to the conveyance direction based upon outputs of the light receiving elements. Also, pattern detection circuitry is provided for determining pattern data of the sheet based upon outputs of the light receiving elements. The determined pattern data is compared to stored, reference pattern data. The outcome of the comparison and the determined length are used to discriminate the kind of sheet.
REFERENCES:
patent: 5236072 (1993-08-01), Cargill
patent: 5309515 (1994-05-01), Troung et al.
patent: 5363949 (1994-11-01), Matsubayashi
"Design for measuring dimensions/surface defects", Special Manufacture of Light Sensor Interface, pp. 169-173, Mar. 1989.
Huppert Michael S.
Laurel Bank Machine Co. Ltd.
Lowe Scott L.
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