Transmitter for automatically detecting power-down of receiver and system including the same
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United States of America Patent
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Nov 12, 2013
Grant Date -
Aug 11, 2011
app pub date -
Jan 24, 2011
filing date -
Feb 10, 2010
priority date (Note) -
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Abstract
A transmitter of a transition minimized differential signaling (TMDS) system includes a current source, a pair of switches configured to be connected to the current source and switch a current of the current source, and a monitoring unit configured to monitor a potential of a connection node between the current source and the pair of switches. The pair of switches is connected to a receiver of the TMDS system through a first line and a second line, respectively. The monitoring unit monitors the potential of the connection node based on a power supply voltage applied to the receiver and current switching of the pair of switches.
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