发明名称 TWO PICTURE DISPLAY DEVICE AND ITS METHOD
摘要 PROBLEM TO BE SOLVED: To provide a two picture display device and its method capable of performing two picture display by the minimum tuner in the case of performing the two picture display between analog broadcast and the two picture display between digital broadcast by correlating the digital broadcast with simultaneous broadcast of the analog broadcast. SOLUTION: The two picture display device is provided with a digital tuner, an analog tuner, a last CH storage part for storing the channel displayed in the previous time, a control part for controlling the digital tuner and the analog tuner, a video and sound output part capable of performing the two picture display and switches the tuners to be used for picture display by using the simultaneous broadcasting. COPYRIGHT: (C)2004,JPO&NCIPI
申请公布号 JP2004248140(A) 申请公布日期 2004.09.02
申请号 JP20030037874 申请日期 2003.02.17
申请人 MATSUSHITA ELECTRIC IND CO LTD 发明人 MORITA TAKUYA;UMEMOTO SEIICHIRO
分类号 H04N5/44;H04N5/45;H04N5/46;(IPC1-7):H04N5/44 主分类号 H04N5/44
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