Method for card reader to communicate with upper computer via USB channel communication and Bluetooth channel connection
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United States of America Patent
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Oct 10, 2017
Grant Date -
Dec 3, 2015
app pub date -
Jan 14, 2014
filing date -
Feb 7, 2013
priority date (Note) -
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Abstract
A method for a card reader to communicate with an upper computer comprises: initializing a card reader system and enabling an interrupt; determining an interrupt identification type; for Bluetooth communication interrupt identification resetting or USB communication interrupt identification resetting, receiving an instruction and saving a channel identification corresponding to the instruction, performing a corresponding operation according to an instruction type, sending a corresponding response to the upper computer and clearing the Bluetooth communication interrupt identification or the USB communication interrupt identification; for another interrupt identification, performing a corresponding operation according to an interrupt identification type. The method can solve a problem in prior art that a card reader cannot communicate with mobile devices of different models through a USB port.
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