发明名称 Function button and method of inputting letter using the same
摘要 Disclosed herein are a keypad having a function button used to easily input characters in cellular phones and other character input devices and a method of easily inputting various languages and letters using the function button. The function button is set independently of a menu button. Whenever the function button is pushed in a default character input mode, the default character input mode is changed to an upper-case letter input mode, a lower-case letter input mode, a sentence mark input mode, a numeral input mode, a special character input mode and other language input modes. After a desired character has been inputted in a corresponding changed input mode, the function button is pushed to rapidly return to the initial character input mode. Various sentence marks can be effectively inputted using the function button.
申请公布号 US7800588(B2) 申请公布日期 2010.09.21
申请号 US20050578457 申请日期 2005.05.06
申请人 KIM MIN HO 发明人 KIM MIN HO
分类号 G06F3/02;G06F3/023;H04M1/23 主分类号 G06F3/02
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