Rundfunkinformationsempfang in einem Fernsehempfänger durch alleinige Synthese der Zentralfrequenz
摘要
<p>A television receiver includes a single tuner (102) for tuning both television channels and broadcast FM stations. The tuner (102) is operated at a fixed gain setting in FM reception mode. The tuner (102) serves as the first conversion stage of a double conversion FM receiver, wherein the mixer (180d) of an FM radio integrated circuit serves as the second coversion stage. The arrangement operates at a specific and non-arbitrary first IF frequency. The FM receiver is also capable of automatically receiving information service broadcasts on that one of the information service allocated frequencies which is operating in a listener's area. The receiver provides an on-screen display (410) of the currently tuned FM channel number. <IMAGE></p>
申请公布号
DE69122332(T2)
申请公布日期
1997.03.06
申请号
DE1991622332T
申请日期
1991.07.30
申请人
THOMSON CONSUMER ELECTRONICS, INC., INDIANAPOLIS, IND., US
发明人
WIGNOT, LEROY SAMUEL, INDIANAPOLIS, INDIANA, US;NORTRUP, KEVIN EUGENE, INDIANAPOLIS, INDIANA, US