Method and apparatus for detecting a continuous LF wave signal
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United States of America Patent
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Jun 8, 2010
Grant Date -
Mar 25, 2010
app pub date -
Sep 25, 2008
filing date -
Sep 25, 2008
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An apparatus for detecting a continuous wave (CW) signal including a demodulator demodulating a received CW signal and providing a demodulated signal, an edge detector for detecting an edge of the demodulated signal and thereby, detecting the CW signal and a switchable short-circuit of the demodulator, edges being formed in the demodulated signal when the demodulator is temporarily short-circuited during receipt of the CW signal.
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