发明名称 MOUSE DEVICE SERVED ALSO AS TRACK BALL
摘要 <p><P>PROBLEM TO BE SOLVED: To provide a pointing device where the structure of a sphere carrying part is made simple and fast, and any excess attachment is not required. <P>SOLUTION: This mouse device is provided with a ball part (204) including a sphere (206) and an encoder (205) and a base part (202) including a switch (203) and a signal line (201) and a recessed part (202b) in which the ball part (204) is housed. In this case, the recessed part (202b) is shaped so that the ball part (204) can be housed in either a state that the ball part (204) is turned down, or a state that the ball part (204) is turned up, and the sphere (206) is exposed from the ball part (204) main body by almost 1/2 of the diameter. <P>COPYRIGHT: (C)2003,JPO</p>
申请公布号 JP2003167674(A) 申请公布日期 2003.06.13
申请号 JP20010363909 申请日期 2001.11.29
申请人 NEC SYSTEM TECHNOLOGIES LTD 发明人 NAKAJIMA MITSUHIRO
分类号 G06F3/033;(IPC1-7):G06F3/033 主分类号 G06F3/033
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