发明名称 Multi-button control headset for a mobile communication device
摘要 The invention is directed at a headset for a mobile communication device having a multi-button control and is implemented with a standard headset jack. The multi-button control is decoded by a microprocessor after which an encoded signal is then transmitted from the processor to the handset. In this manner, by using the standard jack, no additional hardware is required on the handset.
申请公布号 EP2362619(A1) 申请公布日期 2011.08.31
申请号 EP20110167974 申请日期 2007.03.29
申请人 RESEARCH IN MOTION LIMITED 发明人 LOWLES, ROBERT;HUI, EDWARD;MAK-FAN, DAVID
分类号 H04M1/725;H04M1/60 主分类号 H04M1/725
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