BROADBAND FREQUENCY DETECTOR
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United States of America Patent
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Issued Date -
Sep 17, 2015
app pub date -
Sep 9, 2013
filing date -
Sep 17, 2012
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Abstract
A frequency detector detecting all the signals for guiding the safe vehicle operation, and radar signals for determining vehicle speeds. The broadband frequency detector comprises: a horn antenna configured to receive signals having specific frequencies; a first amplifier configured to receive the signals having specific frequencies from the horn antenna; a mixer unit configured to receive signals from the first amplifier, wherein the signals are low noise amplified therein; and a second amplifier, arranged in parallel with the amplifier, for transferring signals to the mixer unit after low noise amplifying the signal received from the horn antenna.
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