Car stereo with built-in radio receiver

Abstract

PURPOSE: To remove beat interference by setting a microcomputer for cassette deck to a hold state at the time of receiving radio signal and stopping oscillation. CONSTITUTION: A microcomputer 6 for radio receiver is provided to output a radio ON signal at the time of receiving radio signal, and a microcomputer 3 for cassette deck is provided to stop the oscillation when the radio ON signal is received. Thus, since the resonance oscillator of the microcomputer 3 for cassette deck stops the oscillation at the time of receiving radio signal, the beat interference between the oscillation frequency of the microcomputer 3 for cassette deck or the harmonics and a received radio broadcasting frequency input can be removed. COPYRIGHT: (C)1991,JPO&Japio

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Cited By (3)

    Publication numberPublication dateAssigneeTitle
    JP-2009252332-AOctober 29, 2009Fujitsu Ten Ltd, 富士通テン株式会社Electronic device
    US-7413722-B2August 19, 2008Foosung Co., Ltd.Method and apparatus for manufacturing nitrogen trifluoride
    US-8363528-B2January 29, 2013Fujitsu Ten LimitedElectronic device