Data transmission system and transmission method thereof including connection and orientation detection
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United States of America Patent
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Feb 20, 2018
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N/A
app pub date -
Jul 28, 2015
filing date -
May 13, 2015
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Abstract
A data transmission system and a transmission method thereof are provided. The data transmission system includes a first electronic apparatus and a second electronic apparatus. The first electronic apparatus includes a first clock pin and a first data pin. The second electronic apparatus includes a second clock pin and a second data pin. In a connecting detection mode, the first electronic apparatus transmits a first detection signal to the first clock pin and drives the first data pin to a reference logic level. The second electronic apparatus transmits a second detection signal to the second clock pin and drives the second data pin to the reference logic level. The first electronic apparatus determines whether the first and the second electronic apparatuses are connected to each other according to whether at least one of signals on the first clock pin and on the first data pin is varied or not.
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