发明名称 Multi-dimension track-ring
摘要 A pointing device is disclosed which does not need an operation space and with which data of three or more dimensions is easily inputted. A pointing device is formed by a switch button, a first dial, a second dial and a body. The first dial is disposed around the switch button and specifies X coordinate of a cursor position. The second dial is disposed around the first dial and specifies Y coordinate of a cursor position. The body houses the switch button and the first and the second dials. The first and the second dials are independently rotatable both clockwise and counter-clockwise.
申请公布号 US5404152(A) 申请公布日期 1995.04.04
申请号 US19940183915 申请日期 1994.01.21
申请人 MITSUBISHI DENKI KABUSHIKI KAISHA 发明人 NAGAI, TAKAO
分类号 G06F3/023;G06F3/033;(IPC1-7):G09G3/02 主分类号 G06F3/023
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