Card reading system

Details Card reading system Card reading system

1984-03-22

1986-07-08

Trafton, David L.

Registers

Coded record sensors

Particular sensor structure

235483, 235485, 235489, G06K 710

Patent

active

045995117

ABSTRACT:
A system for generating a unique signal indicative of a particular identity carried by a card. The card has a series of zones along the sides thereof with holes extending through one or more of the zones. A receptacle is provided for the card, the receptacle including a longitudinal internal slot and a series of opto-electronic sensors which are spaced along the slot such that when the card is inserted within the slot, one of the sensors is positioned in registration with each of these zones. The card and the receptacle are formed such that the card can be inserted in the slot in only one proper orientation. One or more of the sensors is employed solely for determining proper insertion of the card.

REFERENCES:
patent: 3417233 (1968-12-01), Stewart
patent: 4134539 (1979-01-01), Hopkinson
patent: 4423320 (1983-12-01), McPherson

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