Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Youngjoo Lee0
Jongpil Cho0
Date of Patent
June 25, 2019
Patent Application Number
15458051
Date Filed
March 14, 2017
Patent Citations Received
Patent Primary Examiner
Patent abstract
Disclosed is a near field communication device which includes an antenna, a transmission amplifier, a matching circuit connected between the antenna and the transmission amplifier, and a transmitter. The transmitter transmits a transmit clock to the matching circuit through the transmission amplifier, extracts an extraction clock from a waveform formed in the matching circuit, stores a phase difference between the transmit clock and the extraction clock, and controls transmission of an information signal through the antenna, the transmission amplifier, and the matching circuit based on the phase difference.
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