发明名称 Digital FM radio system
摘要 The present invention is for a high quality digital FM radio system that utilizes the subcarrier band to generate digital audio signals. The hybrid FM radio system utilizes the subcarrier band to transmit the digital FM signals that are synchronized to the analog FM signals. The receiver processes both the analog and digital signals and a high quality FM signal results. The receiver may switch between the traditional analog signal and the higher quality digital signal automatically to present the best possible audio to the user.
申请公布号 US7088740(B1) 申请公布日期 2006.08.08
申请号 US20010032235 申请日期 2001.12.21
申请人 BAE SYSTEMS INFORMATION AND ELECTRONIC SYSTEMS INTEGRATION INC 发明人 SCHMIDT MICHAEL
分类号 H04J1/00 主分类号 H04J1/00
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