Invention Grant
- Patent Title: IBOC broadcasting receiver
- Patent Title (中): IBOC广播接收机
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Application No.: US12310583Application Date: 2007-08-30
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Publication No.: US08265585B2Publication Date: 2012-09-11
- Inventor: Kazuyoshi Inako , Kazuo Koyama , Masanori Ishida , Naoki Nakajima
- Applicant: Kazuyoshi Inako , Kazuo Koyama , Masanori Ishida , Naoki Nakajima
- Applicant Address: JP Tokyo
- Assignee: Clarion Co., Ltd.
- Current Assignee: Clarion Co., Ltd.
- Current Assignee Address: JP Tokyo
- Agency: McCarter & English, LLP
- Priority: JP2006-234961 20060831
- International Application: PCT/JP2007/066900 WO 20070830
- International Announcement: WO2008/026693 WO 20080306
- Main IPC: H04B1/10
- IPC: H04B1/10

Abstract:
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.
Public/Granted literature
- US20100210229A1 IBOC broadcasting receiver Public/Granted day:2010-08-19
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