发明申请
- 专利标题: Keyboard control circuit
- 专利标题(中): 键盘控制电路
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申请号: US12318827申请日: 2009-01-09
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公开(公告)号: US20100073204A1公开(公告)日: 2010-03-25
- 发明人: Mao-Ta Tsao , Wen-Tong Liu
- 申请人: Mao-Ta Tsao , Wen-Tong Liu
- 优先权: CN200810161418.5 20080925
- 主分类号: H03M11/00
- IPC分类号: H03M11/00
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
公开/授权文献
- US08264384B2 Keyboard control circuit 公开/授权日:2012-09-11
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