发明名称 MULTIFUNCTIONAL KEYBOARD FOR A MOBILE COMMUNICATION DEVICE AND METHOD OF OPERATING THE SAME
摘要 An apparatus and method for telephony tone signal and character code generation for QWERTY keyboards includes a QWERTY style keyboard, a processor and a keyboar d mode control software module. The QWERTY style keyboard has a plurality of letter keys, wherein each letter key is configured to generate a unique input signal. The process or is coupled to the keyboard and is configured to convert each unique input signal generated by the letter keys into a character code and/or a telephony tone signal. The keyboard mode control software module operates on the processor, and controls whether the processor converts the unique input signals from the letter keys into character codes or telephony tone signals.
申请公布号 CA2363244(C) 申请公布日期 2006.06.13
申请号 CA20012363244 申请日期 2001.10.30
申请人 RESEARCH IN MOTION LIMITED 发明人 RUDNITSKI, KAREN A.;ZHAO, WEN;YEUNG, POKIN;JIN, XIN;FU, RUNBO
分类号 H04M1/23;B41J5/10;G06F3/023;H04M1/60;H04M1/725;H04Q7/32 主分类号 H04M1/23
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