IC CARD

Number of patents in Portfolio can not be more than 2000

United States of America Patent

SERIAL NO

12409470

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A multifunction IC card (MFC) has compatibility with a multimedia card, an SD card, etc. in that connector terminals (#1 through #13) are disposed on a card substrate (1) in two rows in a zigzag fashion, and realizes multifunction facilities in that a memory card unit (3) and an SIM (Subscriber Identity Module) card unit (4) are respectively connected and mounted to predetermined terminals of the connector terminals (#1 through #13). The memory card unit (3) and the SIM card unit (4) are respectively separately provided with areas for storing secret codes for security. Thus, one IC card is capable of implementing multifunction facilities different in security level. Owing to the adoption of a plural-column layout corresponding to a form typified by the zigzag fashion in an array of the connector terminals, a relatively simple structure can be adopted in a card slot.

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Patent Owner(s)

Patent OwnerAddress
RENESAS ELECTRONICS CORPORATIONTOKYO 135-0061

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
ISHIHARA, Haruji Kawaguchi , JP 29 707
NISHIZAWA, Hirotaka Fuchu , JP 103 2988
SHIRAISHI, Atsushi Kodaira , JP 103 3165
YUKAWA, Yosuke Kokubunji , JP 25 619

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