Method of determining input port status in television receiver and television receiver using the same
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United States of America Patent
Stats
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Oct 25, 2011
Grant Date -
Jun 7, 2007
app pub date -
May 10, 2006
filing date -
Dec 1, 2005
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A method of determining the status of a plurality of input ports in a television receiver having a plurality of signal input ports, and including a main-screen signal processor and a sub-screen signal processor, automatically verifies the presence or absence of an input signal at each signal input port. The port status determining method includes detecting signal presence at each of the plurality of signal input ports via the sub-screen signal processor to determine whether the corresponding input signal exists, by sequentially setting an input mode in correspondence to each of the plurality of signal input ports; and recognizing as a valid input port each signal input port at which signal presence is detected.
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Family
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Cited Art Landscape
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