发明授权
EP2244451B1 A method and mobile communication device for generating Dual-Tone Multi-Frequency (DTMF) commands on a mobile communication device having a touchscreen
有权
一个移动通信设备上用于产生双音多频(DTMF)的方法和移动通信设备的命令带触摸屏的
- 专利标题: A method and mobile communication device for generating Dual-Tone Multi-Frequency (DTMF) commands on a mobile communication device having a touchscreen
- 专利标题(中): 一个移动通信设备上用于产生双音多频(DTMF)的方法和移动通信设备的命令带触摸屏的
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申请号: EP09158752.7申请日: 2009-04-24
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公开(公告)号: EP2244451B1公开(公告)日: 2011-12-14
- 发明人: Malo, Eric , Kuhl, Lawrence Edward
- 申请人: RESEARCH IN MOTION LIMITED
- 申请人地址: 295 Phillip Street Waterloo, Ontario N2L 3W8 CA
- 专利权人: RESEARCH IN MOTION LIMITED
- 当前专利权人: RESEARCH IN MOTION LIMITED
- 当前专利权人地址: 295 Phillip Street Waterloo, Ontario N2L 3W8 CA
- 代理机构: Patel, Binesh
- 主分类号: H04M1/725
- IPC分类号: H04M1/725
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