发明名称 IBOC broadcasting receiver
摘要 An broadcasting receiver suitable for receiving a broadcasting signal transmitted in an IBOC signal format, includes: a narrowband filtering means suitable for processing an analog broadcasting signal included in the broadcasting signal; a wideband filtering means suitable for processing a digital broadcasting signal included in the broadcasting signal; a demodulating means for demodulating the broadcasting signal; a signal level detecting means for detecting a level of the broadcasting signal; a digital determining means for determining whether the broadcasting signal includes digital broadcasting signal or not; and a filter switching means for switching filtering means for use in processing the broadcasting signal to be input to the demodulating means between the narrowband filtering means and the wideband filtering means, according to the level of the detected broadcasting signal, when the digital determining means determines that the broadcasting signal does not include the digital broadcasting signal.
申请公布号 US2010210229(A1) 申请公布日期 2010.08.19
申请号 US20070310583 申请日期 2007.08.30
申请人 INAKO KAZUYOSHI;KOYAMA KAZUO;ISHIDA MASANORI;NAKAJIMA NAOKI 发明人 INAKO KAZUYOSHI;KOYAMA KAZUO;ISHIDA MASANORI;NAKAJIMA NAOKI
分类号 H04B1/18 主分类号 H04B1/18
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