发明名称 Miniature receiver for time signals - provides acoustic announcement of time with means for switching on announcement
摘要 The miniature receiver is used to receive radio transmission from a master talking clock, associated with a HF transmitter and provides an audio announcement of the time. The receiver is provided as a wrist watch, or pocket watch, an alarm clock, a car clock or a radio clock. The receiver is combined with means for switching on the announcement for a short time period and a visual time display may also be provided as either a continuous display, or a selectively actuated display.
申请公布号 DE2518233(A1) 申请公布日期 1976.11.04
申请号 DE19752518233 申请日期 1975.04.22
申请人 ROHLEDER,WITTICH,DR.;KROEGER,ROLF 发明人 ROHLEDER,WITTICH,DR.;KROEGER,ROLF
分类号 G04G7/02;G04G13/00 主分类号 G04G7/02
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