发明名称 |
DISC RECORDING AND/OR REPRODUCING METHOD AND APPARATUS |
摘要 |
A disc recording and reproducing apparatus for use with a disc cartridge which includes an exterior indicator for indicating a reflectance of an optical disc housed in a cartridge body thereof, the disc recording and reproducing apparatus including a detector for detecting the exterior indicator and a setting control circuit for initially setting an output level of a laser light irradiated on the optical disc based on a detection output from the detector before beginning recording or reproducing operations.
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申请公布号 |
CA2061374(C) |
申请公布日期 |
2000.10.10 |
申请号 |
CA19922061374 |
申请日期 |
1992.02.17 |
申请人 |
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发明人 |
MUKAWA, HIROSHI;FUJISAWA, HIROTOSHI;ANDO, RYO |
分类号 |
G11B7/09;G11B7/125;G11B7/126;G11B7/24;G11B11/105;G11B19/12;G11B23/03;G11B23/30;(IPC1-7):G11B23/32;G11B7/00 |
主分类号 |
G11B7/09 |
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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