Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Hiroki Kihara0
Date of Patent
May 31, 2011
0Patent Application Number
123022930
Date Filed
August 31, 2007
0Patent Primary Examiner
Patent abstract
A monitor antenna receives radio waves transmitted from a Doppler very high frequency omnidirectional radio range (DVOR) device and includes a carrier signal and a subcarrier signal, orthogonal detectors shift a phase of a signal of each subcarrier component by a phase difference equivalent to a prescribed distance away from the DVOR apparatus relative to a signal of a carrier component, and a combiner combines signals of the carrier component and the subcarrier component to output the combined signal to a DVOR demodulator.
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