发明申请
US20100073204A1 Keyboard control circuit 有权
键盘控制电路

  • 专利标题: Keyboard control circuit
  • 专利标题(中): 键盘控制电路
  • 申请号: US12318827
    申请日: 2009-01-09
  • 公开(公告)号: US20100073204A1
    公开(公告)日: 2010-03-25
  • 发明人: Mao-Ta TsaoWen-Tong Liu
  • 申请人: Mao-Ta TsaoWen-Tong Liu
  • 优先权: CN200810161418.5 20080925
  • 主分类号: H03M11/00
  • IPC分类号: H03M11/00
Keyboard control circuit
摘要:
A keyboard control circuit for a keyboard having P keys includes an array module that includes P key switches, and a key-matrix having N scan lines that intersect M return lines to form N×M intersections, where P
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