Observation signal generation device, observation device, observation signal generation method, and observation method

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United States of America

PATENT NO 12188881
APP PUB NO 20220050065A1
SERIAL NO

17453133

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Abstract

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An observation signal generation device includes a local signal generator, a first mixer which mixes an RF signal to be observed with the local signal and outputs a first IF signal, a second mixer which mixes the RF signal and the local signal and outputs a second IF signal, an first IF filter which includes a first intermediate frequency obtained by subtracting a frequency of the local signal from a first frequency of the RF signal in a passband, includes a second intermediate frequency obtained by subtracting a frequency of the RF signal from the frequency of the local signal in an attenuation band, and filters the first IF signal to generate a first observation signal, and an second IF filter includes the first intermediate frequency in the attenuation band and the second intermediate frequency in the passband, and filters the second IF signal to generate a second observation signal.

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Patent Owner(s)

Patent OwnerAddress
FURUNO ELECTRIC CO LTD9-52 ASHIHARA-CHO NISHINOMIYA HYOGO 662-8580

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Inoue, Shuhei Nishinomiya, JP 7 0

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