发明名称 Virtual keypad for touchscreen display
摘要 A method for changing a transparency level of a virtual keypad on a display, comprising the steps of: activating a pointing device on the display; and dragging the pointing device along the display for a predetermined distance; whereby said dragging step causes the transparency level of the virtual keypad on the display to change. The keypad can be arranged to include a stacked intuitive layout for keys, where the left side of a qwerty keyboard is placed over the right side of a qwerty keyboard to created a stacked virtual keyboard.
申请公布号 US7515135(B2) 申请公布日期 2009.04.07
申请号 US20040866691 申请日期 2004.06.15
申请人 RESEARCH IN MOTION LIMITED 发明人 VARANDA MARCELO
分类号 G09G5/00;G06F3/048;H03M1/12 主分类号 G09G5/00
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