发明名称 Indicating device
摘要 An indicating device for an elevator installation includes an electroluminescent indicator and a sound-reproducing apparatus, wherein the sound-reproducing apparatus is glued to a rear side of the electroluminescent indicator. The electroluminescent indicator and the sound-reproducing apparatus are mounted on a frame that snaps into a housing to form a module that can be attached to a wall mount.
申请公布号 US2002139289(A1) 申请公布日期 2002.10.03
申请号 US20020109383 申请日期 2002.03.28
申请人 BARMET LUKAS 发明人 BARMET LUKAS
分类号 B66B3/02;B66B3/00;G10L13/00;H04R1/02;(IPC1-7):B66B3/00;B66B19/06 主分类号 B66B3/02
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