RECEPTION DEVICE AND RECEPTION METHOD, COMPUTER PROGRAM, AND EXTERNAL DEVICE
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United States of America Patent
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Issued Date -
Jul 21, 2016
app pub date -
Sep 12, 2014
filing date -
Oct 18, 2013
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Abstract
Provided is a reception device configured to receive a broadcast signal on which emergency alert information is superimposed and send out an alert properly. The reception device is configured to include a tuner that tunes and receives a broadcast signal, a demodulator that demodulates a physical layer level of the broadcast signal, and an alert device that sends out an alert of audio, text display, or the like according to the emergency alert information superimposed on the physical layer of the broadcast signal. Since an activation time is short with a simple configuration, an alert is sent out immediately even from a standby state when the emergency alert information is detected. Also, power consumption is small. Thus, even when all of the reception devices in an area where an emergency alert is sent out are concurrently activated, power to be supplied is not short.
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