Methods and apparatus for phase change detection using a resonator

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United States of America Patent

PATENT NO 11743083
APP PUB NO 20210021449A1
SERIAL NO

16929916

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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Disclosed is a microwave cavity resonator used as a phase change (phase modulation) to intensity change (intensity or amplitude modulation) converter. Certain aspects and embodiments include resonant circuits, such as a resistor, inductor and capacitor (RLC) circuit. Certain aspects and embodiments convert changes in phase to changes in output voltage to perform analog demodulation of a phase modulated microwave carrier. Certain aspects and embodiments use resonance when the reactive components of the circuit (capacitive and inductive components) are equal in magnitude and 180 degrees out of phase with one another, thereby cancelling out the reactance component of the circuit's impedance.

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Patent Owner(s)

Patent OwnerAddress
RAYTHEON COMPANY50 APPLE HILL DRIVE TEWKSBURY MA 01876

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Dolgin, Benjamin P Alexandria, US 71 1521
Graceffo, Gary M Burke, US 70 1135
Kowalevicz, Andrew Arlington, US 63 1261

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