Method and system for cable detection
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United States of America Patent
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Issued Date -
Oct 7, 2010
app pub date -
Mar 15, 2010
filing date -
Apr 3, 2009
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
There are provided systems and methods for cable detection, such as a video cable. There is provided a device including an output stage, a comparator, a reference selector, a peak detector, and logic gates, which may be arranged to optimize power consumption of the output stage while the cable is unplugged. A method is also provided for such a device, the method comprising detecting whether the cable is unplugged using a cable detector after a first duration of time, turning off the output stage for a second duration of time in response to the cable detector detecting the cable is unplugged, turning on the output stage after the second duration of time, and proceeding to transmit data if the cable detector detects the cable is plugged in for a third period of time, or otherwise repeating the detection, turning off, and turning on steps.
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