Shielding of an IR detector
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United States of America Patent
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Feb 24, 2015
Grant Date -
Dec 13, 2012
app pub date -
Jun 7, 2012
filing date -
Jun 8, 2011
priority date (Note) -
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status (Latency Note)
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Abstract
In an electrical device controlled by infrared signals from a remote control, a power saving device has an infrared detection module and a processor. The infrared detection module includes an infrared sensor configured to monitor the output of the remote control device, and a shield which is at least substantially impervious to infrared radiation, and which at least partially shields the infrared sensor from infrared radiation which does not emanate from the remote control device. The processor is coupled to the infrared detection module, and supplies power to the electrical device at least substantially only when the electrical device is in active use by a nearby user, and based at least in part upon input from the infrared sensor.
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