发明名称 |
Optical recording medium and recording and reproducing apparatus of the same |
摘要 |
A recording and reproducing apparatus of an optical recording medium has a plurality of light sources. A plurality of light beams are radiated by a laser diode array to a track of the optical recording medium, and each of the plurality of light beams reflected by the track is detected by a photodiode and converted into an electrical signal. The laser diode array is arranged such that the beam spots of adjacent ones of the plurality of light beams cross a track direction of the optical recording medium and a track width direction perpendicular to the track direction. The signal detected by the photodiode is converted into an electrical signal and recorded in a frame memory as data corresponding to the signal. The digital data stored in the frame memory is read out by a two-dimensional decoder.
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申请公布号 |
US5386410(A) |
申请公布日期 |
1995.01.31 |
申请号 |
US19930100064 |
申请日期 |
1993.07.30 |
申请人 |
OLYMPUS OPTICAL CO., LTD. |
发明人 |
NAGASAKI, TATSUO;ADACHI, YUTAKA |
分类号 |
G11B7/00;G11B7/004;G11B7/005;G11B7/007;G11B7/013;G11B7/09;G11B7/095;G11B7/125;G11B7/13;G11B7/14;G11B7/24;G11B20/10;(IPC1-7):G11B3/70 |
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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