Manually codeable cards for card readers

Details Manually codeable cards for card readers Manually codeable cards for card readers

G - Physics

06

K

352/57, 117/6

G06K 19/06 (2006.01) B42D 15/02 (2006.01) B42D 15/10 (2006.01)

Patent

CA 1293053

- 6 - ABSTRACT OF THE DISCLOSURE A kind of manually codeable card for card readers composed of an upper and a lower sheet of transparent material glued together, the lower sheet printed with black ink all over except a plurality of transparent circles which can be sticked on to become opaque with black circles from a paper with transposable black cir- cles or round opaque stickers. The coded number of the card is represented by the different combination of transparent and opaque circles.

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