Credit card reading apparatus with reliable optical path interru

Details Credit card reading apparatus with reliable optical path interru Credit card reading apparatus with reliable optical path interru

1985-05-23

1988-05-03

Cardillo, Raymond F.

Registers

Coded record sensors

Particular sensor structure

235436, 235482, 250557, G06K 710, G06K 13067

Patent

active

047422130

ABSTRACT:
A card reader includes an opaque arm movable in response to the insertion of a credit card. The arm, when moved, interrupts a light path signalling the presence of the card thus permitting write or read operations on a magnetic stripe on the card. The use of arm permits highly reliable operation due to the location of the light path defining devices in a place where they are protected from contaminants. In addition, the light path is always interrupted with an obstruction of known opacity.

REFERENCES:
patent: 3705396 (1972-12-01), Nagaki et al.
patent: 3949219 (1976-04-01), Crouse
patent: 4020325 (1977-04-01), Pfost et al.
patent: 4151564 (1979-04-01), Schreiber et al.
patent: 4358672 (1982-11-01), Hyatt et al.
patent: 4394568 (1983-07-01), Nakatsu
patent: 4526309 (1985-07-01), Taylor et al.
IBM Technical Disclosure Bulletin, "Card Registration Sensing Device", Graham et al., vol. 9, No. 7, 12/66.

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