Wireless transmission device and wireless transmission method
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United States of America Patent
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May 21, 2019
Grant Date -
Jul 13, 2017
app pub date -
Jan 6, 2017
filing date -
Jan 8, 2016
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A wireless transmission device includes a reception circuit that receives a ASK or PSK designation signal designating amplitude-shift keying (ASK) or phase-shift keying (PSK), respectively, an amplitude control signal generation circuit that generates an amplitude control signal having an amplitude corresponding to a change in a signal level of the data signal, a polarity reversal circuit that generates a polarity reversal signal by reversing a polarity of a carrier wave signal according to the signal level of the data signal upon receiving a ASK designation signal, an amplifier circuit that generates a PSK signal by amplifying the polarity reversal signal at an amplification rate based on the amplitude control signal upon receiving a PSK designation signal, and generates an ASK signal by modulating an amplitude of the carrier wave signal at an amplification rate based on the amplitude control signal upon receiving the ASK designation signal.
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