Title:
OPTICAL DISK DEVICE
Document Type and Number:
WIPO Patent Application WO/2020/100777
Kind Code:
A1
Abstract:
The present disclosure provides an optical disk device capable of stably reproducing data recorded on a high line density optical disk. The optical disk device of the present disclosure is characterized by comprising: a recording expected waveform generation circuit which generates, at the time of recording, an expected waveform expected to be obtained at the time of reproduction; and a recording pulse generation circuit which generates, for each sampling point of a recording expected waveform, a recording pulse which drives a laser at a power and for a duration corresponding to an amplitude value of the recording expected waveform.
Inventors:
NAKATA KOHEI
KOBAYASHI YASUSHI
KOBAYASHI YASUSHI
Application Number:
PCT/JP2019/044014
Publication Date:
May 22, 2020
Filing Date:
November 08, 2019
Export Citation:
Assignee:
PANASONIC IP MAN CO LTD (JP)
International Classes:
G11B20/10; G11B7/0045; G11B7/005; G11B20/18
Domestic Patent References:
| WO2015107572A1 | 2015-07-23 | |||
| WO2010038397A1 | 2010-04-08 | |||
| WO2008032700A1 | 2008-03-20 |
Attorney, Agent or Firm:
Eikoh Patent Firm, P.C. (JP)
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