IC chip and information processing terminal

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO RE48950
SERIAL NO

16294230

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Importance

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Abstract

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When an IC card is passed over an external card reading and writing apparatus, the IC card starts communication with the card reading and writing apparatus via a wireless interface, so that a change in the internal state of the IC card is reported to an external device via an external wired interface or a dedicated control signal line, thus allowing a specific application to be enabled on the external device or allowing a controller to be powered on and activated. Alternatively, the controller is powered off and deactivated. Accordingly, processing according to the communication state between the IC card and the card reading and writing apparatus or the internal state of the IC card can be smoothly initiated.

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Patent Owner(s)

Patent OwnerAddress
SONY GROUP CORPORATION1-7-1 KONAN MINATO-KU TOKYO 108-0075

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Arisawa, Shigeru Tokyo, JP 60 889
Yamagata, Akihiko Kanagawa, JP 21 226

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