Hand-held decoder card having a parallax barrier portion and...

Details Hand-held decoder card having a parallax barrier portion and... Hand-held decoder card having a parallax barrier portion and...

G - Physics

06

K

G06K 19/06 (2006.01) G06K 19/02 (2006.01) G06Q 30/00 (2006.01)

Patent

CA 2627004

The present document describes a hand-held decoder card for revealing information hidden in a printed material and information hidden in a color image and method of making the same. The hand-held decoder card comprises: translucent material having a parallax barrier portion comprising parallel barrier lines for revealing the information hidden in the printed material; and the translucent material having a light filtering portion comprising a light filter for revealing the information hidden in the color image. According to various embodiments, the hand-held decoder card is in a transactional card format. The card may include only the parallax barrier portion or the light filtering portion. Also, the hand-held card may be a monocoque card or a laminated card.

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