Communication system, frequency control method, remote terminal and non-transitory computer-readable recording medium having stored therein program
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United States of America Patent
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Jul 11, 2017
Grant Date -
Mar 2, 2017
app pub date -
Aug 30, 2016
filing date -
Aug 31, 2015
priority date (Note) -
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status (Latency Note)
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Abstract
A wireless-device-end communicator transmits, to a remote-end communicator, an IF signal and a wireless-device-end AF signal, the wireless-device-end AF signal being generated by demodulating the IF signal on a basis of a wireless-device-end local frequency. A remote-end controller starts a tuning mode when an instruction obtainer obtains the start instruction for the tuning mode, and adjusts a remote-end local frequency in accordance with the obtained adjustment instruction. A remote end demodulator demodulates the received IF signal on a basis of the remote-end local frequency, and outputs a remote-end AF signal. An outputter outputs the remote-end AF signal in the tuning mode, and outputs the wireless-device-end AF signal in a normal mode. At an end of the tuning mode, the wireless-device-end local frequency is adjusted in such a way that the reception frequency of a wireless device becomes consistent with the reception frequency indicated by the last adjustment instruction.
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