发明名称 ANTENNA SWITCHING DEVICE AND METHOD THEREOF
摘要 <p>There are provided an antenna switching device and a method thereof. The antenna switching device includes an antenna input for cable broadcast and an antenna input for terrestrial and satellite broadcast, so that the OOB signal can be received all the times and the cable broadcast channel and terrestrial broadcast and satellite broadcast channel can be freely selected. This antenna switching device and the method thereof input the terrestrial broadcast signal to selection means and distribute the cable broadcast signal by distribution means so as to be input to an OOB tuner and the selection means. The signal selected by the selection means is input to an A/D-shared tuner. Thus, it is possible to receive the OOB signal all the times and select the cable broadcast channel and the terrestrial broadcast and satellite broadcast channel.</p>
申请公布号 WO2004071080(A1) 申请公布日期 2004.08.19
申请号 WO2004JP01191 申请日期 2004.02.05
申请人 MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.;SASAKI, SHOGO;MASUDA, YASUO;KAWAKAMI, TSUYOSHI;TESHIMA, MISAO 发明人 SASAKI, SHOGO;MASUDA, YASUO;KAWAKAMI, TSUYOSHI;TESHIMA, MISAO
分类号 H04B1/18;H04B1/44;H04N5/44;H04N5/46;H04N7/10;(IPC1-7):H04N5/44 主分类号 H04B1/18
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