Sending device, receiving device, sending-receiving device, transmitter, and transmitting method
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United States of America Patent
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Apr 22, 2003
Grant Date -
N/A
app pub date -
Dec 30, 1998
filing date -
Sep 30, 1996
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An object of the present invention is to provide a sending device, a receiving device, and a sending/receiving device which make it possible to easily implement a two-channel compressed moving picture transmission system by using an existing single-channel compressed moving picture transmission system. The sending device includes transmission systems corresponding to two channels including video bit rate reduction encoders 2 and 6 for compressing picture data, and SDDI encoders 4 and 8 for generating predetermined serial signal data from compressed picture data, and a data selector 9 for conducting changeover between serial signal data of channel 1 output from the transmission system of the channel 1 and serial signal data of channel 2 output from the transmission system of the channel 2 on the basis of a reference frame signal RF.
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