发明名称 |
Optical information recording apparatus |
摘要 |
An optical recording apparatus of the type employing a read/write laser adapts the recording light beam to various linear speeds of the recording disk by jointly controlling both the beam power and the duty ratio of the recording signal in accordance with the radial position of the beam spot on the disk.
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申请公布号 |
US4937809(A) |
申请公布日期 |
1990.06.26 |
申请号 |
US19880157667 |
申请日期 |
1988.02.19 |
申请人 |
PIONEER ELECTRONIC CORPORATION |
发明人 |
MIYADERA, TOSHIYUKI;YANAGISAWA, SHUICHI;YOKOGAWA, FUMIHIKO |
分类号 |
G11B7/00;G11B7/0045;G11B7/005;G11B7/125 |
主分类号 |
G11B7/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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