Ticket checking apparatus

Details Ticket checking apparatus Ticket checking apparatus

1982-06-07

1985-01-29

Pitts, Harold I.

Registers

Coded record sensors

Particular sensor structure

235454, 235456, G06K 710

Patent

active

044968302

ABSTRACT:
An optical scanner produces an image signal corresponding to a shape of a ticket scanned by the optical scanner. Signal components corresponding to a given range of the ticket is extracted from an image signal of the optical scanner. A level of the signal components is compared with a reference level. Presence or not of a punch hole in the ticket is judged on the basis of the result of the comparison of the comparator.

REFERENCES:
patent: 3341691 (1967-09-01), Modersohn
patent: 3870865 (1975-03-01), Schneiderhan
patent: 3971473 (1976-07-01), Ernst
patent: 4103150 (1978-07-01), Von Ballmoos
patent: 4126780 (1978-11-01), Rosenthal
patent: 4142673 (1979-03-01), Dar
patent: 4295040 (1981-10-01), Berthier

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