发明名称 |
Optical recording method |
摘要 |
In an optical recording system wherein the intensity of a laser beam is modulated with an input modulation signal so as to record information on a recording medium, the intensity modulation of the laser beam is performed after the pulse waveform of the input modulation signal is converted into two pulses which express the front edge and rear edge of the pulse waveform respectively.
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申请公布号 |
US4646103(A) |
申请公布日期 |
1987.02.24 |
申请号 |
US19860832887 |
申请日期 |
1986.02.26 |
申请人 |
HITACHI, LTD. |
发明人 |
SUGIYAMA, HISATAKA;SHIGEMATSU, KAZUO;MAEDA, TAKESHI;SAITOH, ATSUSHI;TAKASUGI, WASAO |
分类号 |
G11B7/0045;G11B7/013;G11B7/125;G11B11/105;G11B20/10;G11B20/14;(IPC1-7):G01D15/14;G11B21/10;G11B7/00 |
主分类号 |
G11B7/0045 |
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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