Sensing apparatus for electromagnetic wave intensity
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United States of America Patent
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Issued Date -
Jan 29, 2009
app pub date -
Jul 24, 2007
filing date -
Jul 24, 2007
priority date (Note) -
Abandoned
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Abstract
The present invention relates to a sensing apparatus for electromagnetic (EM) wave intensity, which comprises a receiving unit, a conversion unit, and an alarm unit. The receiving unit receives an EM wave, and produces a corresponding current signal to the conversion unit. The conversion unit converts the current signal to a voltage signal, and transmits the voltage signal to the alarm unit, which produces a corresponding output signal according to the voltage signal with different intensities for notifying users that the EM wave intensity surrounding the users has reached a harmful level for human bodies. When the sensing apparatus according to the present invention senses that the EM wave intensity surrounding the users has reached a harmful level for human bodies, it will drive the alarm unit to warn the users. Thereby, human bodies can avoid exposing to harmful EM wave intensities.
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