Ntt Data Communications Systems Corporation

Tomoo Takeda

Takafumi Kobayashi

Atsumi Tokumasu

Kenichiro Inoue

Nobuo Furuhashi

Sigefumi Takahashi

Noriyuki Iwase

The object of the present invention is to propose an account bankbook, a money transfer card, a receipt file, and a checkbook utilizing an optical card, an IC card, or a hybrid optical/IC card. On the surface of a resin card base board,are formed an IC chip,an optical recording sheet,a magnetic stripe,and an embossment,In a semiconductor memory within the IC chip,are written validation keys, search keys, payee information, the upper limit amount of a check, and a program for processing transaction data. Access restrictions corresponding to various applications are imposed upon these data. The history of various cash transactions is recorded in the optical recording sheet,These records are of write-once type and rewriting or deletion thereof is impossible.

Electronic bankbook, and processing system for financial transaction information using electronic bankbook

Electronic bankbook and processing system for financial transaction

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Tokyo, Japan

Tomoo Takeda