Interface switching apparatus for switching between a plurality of power supply pins and input/output terminals
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United States of America Patent
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Sep 5, 2017
Grant Date -
May 26, 2016
app pub date -
Apr 10, 2015
filing date -
Nov 20, 2014
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Abstract
A switching apparatus to adapt an interface for multi-functional use includes a signal source, a display unit, a control unit, and a connector. The signal source includes a first power output and a data output. The display unit includes a power input and a data input. The control unit includes a switching chip having a control signal input, a first data pin, a second data pin, and a third data pin. The connector includes a second power input, a second power output, and a data output. The control signal input receives a switching signal. When the second data pin communicates with the first data pin according to the switching signal, the first power output is electrically coupled to the second power input, the signal source provides power for an electronic device connected with the connector.
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