| 发明名称 |
Optical information recording and reproducing apparatus utilizing a plurality of recording light spots |
| 摘要 |
An optical information recording and reproducing apparatus for recording information pits on an information track by irradiating a light beam focused into a fine spot onto the information track of an optical information recording and reproducing medium, includes a device for forming a plurality of recording light spots on the information track transversely to the information track.
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| 申请公布号 |
US5329517(A) |
申请公布日期 |
1994.07.12 |
| 申请号 |
US19930104605 |
申请日期 |
1993.08.11 |
| 申请人 |
CANON KABUSHIKI KAISHA |
发明人 |
YAMAGUCHI, EIJI;MATSUMURA, SUSUMU;HOSHI, HIROAKI;YAMAMOTO, MASAKUNI;MORISHIMA, HIDEKI |
| 分类号 |
G11B11/10;G11B7/00;G11B7/0045;G11B7/135;G11B11/105;(IPC1-7):G11B7/00 |
主分类号 |
G11B11/10 |
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