发明名称 Aparelho de recepção de transmissão
摘要 A broadcast receiving apparatus provides multifunctionality to cope with analog modulated input signals as well as digital input signals modulated by various types of modulation schemes. The apparatus comprises a detector for detecting the modulation scheme of input signals, and a switch for switching one or more of the characteristic of a filtering section, an amplifying section, and a detection section, depending upon the detected modulated scheme.
申请公布号 BR9706428(A) 申请公布日期 1999.05.25
申请号 BR19969706428 申请日期 1996.12.19
申请人 MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. 发明人 TAKAKKI KONISHI;KAZUYA UEDA;HISAYA KATO;KUNIO NINOMIYA
分类号 H03D5/00;H04N5/21;H04N5/44;H04N5/455;H04N5/46;(IPC1-7):H04N5/46 主分类号 H03D5/00
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