Disc reproducer
文献类型：专利
| 作者 | YANO, HIDEAKI; ASANO, KENJI; BABA, HIDEHARU |
| 发表日期 | 2004-03-18 |
| 专利号 | US20040052186A1 |
| 著作权人 | SANYO ELECTRIC CO., LTD. |
| 国家 | 美国 |
| 文献子类 | 发明申请 |
| 其他题名 | Disc reproducer |
| 英文摘要 | The present invention provides a disk playback device comprising a laser drive circuit 15 for feeding a drive signal to an optical head 4 and adjusting the power of a laser beam irradiated by the optical head 4, an error correcting circuit 11 for detecting an error rate of a reproduced signal, and a system controller 10 for controlling operation of the laser drive circuit for signal reproduction and signal recording based on the output of the error correction circuit 1 The system controller 10 retrieves one limit value of two limit values of a reproduction power wherein the error rate is not beyond a prescribed value, and calculates an optimum reproduction power based on the one limit value retrieved. Accordingly it is possible to move to signal reproduction in a short period of time and to reproduce signals with high accuracy by setting the optimum reproduction power. |
| 公开日期 | 2004-03-18 |
| 申请日期 | 2002-01-28 |
| 状态 | 失效 |
| 源URL | [http://ir.opt.ac.cn/handle/181661/60788]  |
| 专题 | 半导体激光器专利数据库 |
| 作者单位 | SANYO ELECTRIC CO., LTD. |
| 推荐引用方式 GB/T 7714 | YANO, HIDEAKI,ASANO, KENJI,BABA, HIDEHARU. Disc reproducer. US20040052186A1. 2004-03-18. |
入库方式： OAI收割
来源：西安光学精密机械研究所
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