Portable electronic device and IC card processing device
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United States of America Patent
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May 31, 2016
Grant Date -
Mar 19, 2015
app pub date -
Mar 10, 2014
filing date -
Sep 18, 2013
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An IC card includes a communication interface and a controller. The controller divides data to be transmitted to the external device into a plurality of divided portions of the data. Moreover, the controller transmits each of the divided portions of the data to which an error detection code is given, to the external device through the communication interface so as to make a predetermined non-transmission period after transmission of the each of the divided portions of the data. Moreover, the controller executes detecting an error notice showing a failure in receiving each of the divided portions of the data that is transmitted from the external device in the predetermined non-transmission period. Furthermore, when the error notice is detected, the controller retransmits the divided portion of the data which the controller has transmitted just before the controller detects the error notice.
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