发明名称 Alarm clock
摘要 An alarm clock is provided which has a moving display signal and a characteristic sound signal. The alarm clock comprises a housing having an interior chamber, an actionable member located within the interior chamber, and means for moving the actionable member at a predetermined time. Further provided are sound generating means generating a characteristic sound signal.
申请公布号 US5568452(A) 申请公布日期 1996.10.22
申请号 US19910786125 申请日期 1991.11.01
申请人 KRONENBERG, HARRY 发明人 KRONENBERG, HARRY
分类号 G04B23/02;G04B25/06;G04C21/00;G04G13/02;(IPC1-7):G04B23/02 主分类号 G04B23/02
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