Combined electronic calculator and credit card

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United States of America Patent

PATENT NO 4754418
SERIAL NO

06711422

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A key input unit, a display unit and a solar cell are arranged on one surface of a card-like electronic calculator. This surface serves as an electronic calculator. The outer shape of the card-like electronic calculator is the same as that of a credit card. Furthermore, a magnetic stripe portion on which predetermined data is recorded, and embossed portions for displaying information are formed on the other surface of the calculator. Therefore, the calculator also serves as a credit card.

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Patent Owner(s)

  • CASIO COMPUTER CO., LTD.

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hara, Kazuya Tokyo, JP 19 1288

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