发明授权
- 专利标题： Optical pickup sending device
- 专利标题（中）： 光学拾音发送装置
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申请号： US09419069申请日： 1999-10-15
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公开(公告)号： US06335915B1公开(公告)日： 2002-01-01
- 发明人: Kenji Uchiyama , Yasuo Ogiwara , Akihiro Muto , Tetsuya Uchiyama , Takashi Komiyama
- 申请人： Kenji Uchiyama , Yasuo Ogiwara , Akihiro Muto , Tetsuya Uchiyama , Takashi Komiyama
- 优先权： JP10-307134 19981028
- 主分类号： G11B2102
- IPC分类号： G11B2102
摘要：
An optical pickup sending device comprises: an optical pickup for reading information from an information recording medium; a rack member provided in connection with the optical pickup; and a screwed shaft engaged with the rack member for sending the optical pickup along the screwed shaft. In particular, the rack member is formed with a plurality of curved teeth each having a radius of curvature larger than that of the screwed shaft.