发明名称 On-line indicator for multipurpose headset amplifier
摘要 An on-line indicator (40) for the multipurpose headset amplifier comprises a holder in two parts (45) arranged to be snapped onto the ascending, holder (10) which is mounted on the housing (5) of the multipurpose headset amplifier. The on-line indicator has a rotatable indicator or light emitting diode (41) which is coupled to the multipurpose headset amplifier by means of a cable (42). The light diode will light up when the headset is in use to indicate to others that the user of the headset is on the line.
申请公布号 US5608797(A) 申请公布日期 1997.03.04
申请号 US19940332702 申请日期 1994.11.01
申请人 GN NETCOM A/S 发明人 LARSEN, LEO;PEDERSEN, CHARLES;MADSEN, JENS
分类号 H04M1/60;H04M1/82;(IPC1-7):H04M1/60;H04M1/22 主分类号 H04M1/60
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