专利名称：SMART SIREN发明人：WARD J. GIEFFERS申请号：AU6319290申请日：19900925公开号：AU6319290A公开日：19920305
摘要：A signalling system is provided that is alternatively operable in programmingand operating modes. The signalling system includes a keypad, control head, control unitand a plurality of signalling features selectively activated by the control unit in theoperating mode. The system provides for keystrokes to the keypad placing the system inthe programming mode and selecting the signalling features to be activated by thecontrol unit in the operating mode.
申请人：FEDERAL SIGNAL CORPORATION
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