BROADBAND FREQUENCY DETECTOR
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United States of America Patent
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Issued Date -
Sep 3, 2015
app pub date -
Sep 9, 2013
filing date -
Sep 25, 2012
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Abstract
A broadband frequency detector detecting all the signals for guiding the safe vehicle operation, and radar signals for determining vehicle speeds comprises: a horn antenna configured to receive signals having specific frequencies; an amplifier configured to receive the signals having specific frequencies from the horn antenna; a mixer unit configured to receive signals from the amplifier, wherein the signals are low noise amplified therein; a coupler, arranged in parallel with the amplifier, for transferring the signals to the mixer unit by passing through the signals within a specific frequency range among the signals received from the horn antenna.
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