发明名称 |
Headset with multi-button control 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 |
US7983722(B2) |
申请公布日期 |
2011.07.19 |
申请号 |
US20070693054 |
申请日期 |
2007.03.29 |
申请人 |
RESEARCH IN MOTION LIMITED |
发明人 |
LOWLES ROBERT J.;HUI EDWARD;MAK-FAN DAVID |
分类号 |
H04M1/00 |
主分类号 |
H04M1/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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