发明授权
- 专利标题： Disc player with parallel objective lenses
- 专利标题（中）： 具有平行物镜的光盘播放器
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申请号： US840494申请日： 1997-04-21
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公开(公告)号： US5848049A公开(公告)日： 1998-12-08
- 发明人: Hiroshi Yokota , Ryuichi Naito , Hiroyuki Hirano , Katsumi Ishii , Shinichi Naohara , Yoshifumi Tsukada , Kanya Matsumoto
- 申请人： Hiroshi Yokota , Ryuichi Naito , Hiroyuki Hirano , Katsumi Ishii , Shinichi Naohara , Yoshifumi Tsukada , Kanya Matsumoto
- 申请人地址： JPX Tokyo
- 专利权人： Pioneer Electronic Corporation
- 当前专利权人： Pioneer Electronic Corporation
- 当前专利权人地址： JPX Tokyo
- 优先权： JPX6-252547 19941018
- 主分类号： G11B21/02
- IPC分类号： G11B21/02 ; G11B7/0037 ; G11B7/085 ; G11B7/095 ; G11B7/135 ; G11B7/14 ; G11B11/10 ; G11B11/105 ; G11B21/00 ; G11B21/12 ; G11B25/04 ; G02B7/02
摘要：
A disc player includes at least one pickup device, which includes a pair of objective lenses for reading information from a disc. The pair of objective lenses are independently movable in the radial direction of the disc by a magnetic field generated by a common magnet.
公开/授权文献
- US5215339A Conduit coupling 公开/授权日：1993-06-01
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