Contaminant detecting touch sensitive element
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United States of America Patent
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N/A
Issued Date -
Jun 26, 2008
app pub date -
Dec 20, 2006
filing date -
Dec 20, 2006
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A touch sensitive control interface for a controlled device includes a panel defining an interface area configured to selectively input command instructions of an operator of the device. The panel includes a primary touch sensor portion configured to receive an activation signal and a secondary touch sensor portion configured to receive a contamination signal. The primary and secondary touch sensor portions are normally isolated from one another, and the primary and secondary touch sensor portions are coupled to one another upon a presence of a contaminant such that the primary touch sensor portion senses the contamination signal.
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