CONTROL DEVICE AND METHOD UTILIZING THE SAME
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United States of America Patent
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Issued Date -
May 12, 2011
app pub date -
Apr 30, 2010
filing date -
Nov 9, 2009
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A control device including a signal emitter, a signal receiver, and a processing unit is disclosed. The signal emitter emits an output signal including a first output component and a second output component. The signal receiver receives an input signal. The input signal includes a reflected component when the first output component is reflected by an object. The input signal includes an emitted component when the second output component is received by the signal receiver. The processing unit compares a first threshold value with the amplitude of the input signal and compares a second threshold value with the amplitude of the input signal when the input signal simultaneously includes the reflected component and the emitted component. The processing unit differentiates the reflected component and the emitted component and invalidates the emitted component according to the compared results.
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