发明名称 Apparatus for indicating a user status
摘要 A telephone headset alert mechanism which assists in the freehand operation of a telephone system. The mechanism includes a base, preferably rectangular in configuration, for pivotally mounting a weighted, unbalanced L-shaped pivot member. The L-shaped pivot member is operable between an active status mode and an inactive status mode, where the legs of the L-shaped member include indicia to identify the status of the telephone system, particularly to third parties who may approach the operator of the telephone system.
申请公布号 US2003016816(A1) 申请公布日期 2003.01.23
申请号 US20010909214 申请日期 2001.07.18
申请人 ESTROFF NEAL N. 发明人 ESTROFF NEAL N.
分类号 H04M1/21;H04M19/04;(IPC1-7):H04M1/00;H04M9/00 主分类号 H04M1/21
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