发明名称 |
Anticollision system for objective lens in an optical data recording apparatus |
摘要 |
An anticollision system for an objective lens for use in an optical data reproducing apparatus. The apparatus is constructed so that the relative distance between the objective lens and a data recording medium is detected, and the objective lens pulled away from the data recording medium to prevent the objective lens from colliding with the data recording medium when the detected relative distance is reduced to a predetermined value or below. Consequently, a collision between the objective lens and the data recording medium can be prevented if the following operation fails or malfunctions.
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申请公布号 |
US5286965(A) |
申请公布日期 |
1994.02.15 |
申请号 |
US19920886809 |
申请日期 |
1992.05.22 |
申请人 |
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. |
发明人 |
OKADA, TSUYOSHI |
分类号 |
G11B7/085;G01S11/02;G11B7/08;(IPC1-7):G01J1/20 |
主分类号 |
G11B7/085 |
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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