发明名称 |
OPTICAL INFORMATION RECORDING AND REPRODUCING APPARATUS |
摘要 |
PROBLEM TO BE SOLVED: To prevent stop of a recording operation caused during passing of a defective part and after passing through the defective part. SOLUTION: The optical information recording and reproducing apparatus of this invention is provided with a defect detection section and a switch section, and the switch section interrupts input of an abnormal jump detection signal to a recording and reproducing signal switching circuit for a time while a light spot detects a defective part and for a prescribed time after passing through the defective part. This prevents stop of recording operation due to wrong detection of an abnormal jump caused during passing of a defective part and after passing through the defective part so as to prevent the operation rate of the recording and reproducing apparatus from being deteriorated. COPYRIGHT: (C)2003,JPO
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申请公布号 |
JP2003272161(A) |
申请公布日期 |
2003.09.26 |
申请号 |
JP20020074745 |
申请日期 |
2002.03.18 |
申请人 |
MATSUSHITA ELECTRIC IND CO LTD |
发明人 |
AKAGI NORITAKA;OSAKI TAKEO |
分类号 |
G11B20/10;G11B7/004;G11B7/0045;G11B7/09;(IPC1-7):G11B7/004 |
主分类号 |
G11B20/10 |
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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