Invention Grant
- Patent Title: Optical information recording/reproducing device and associated method for increasing recording/reproducing speed
- Patent Title (中): 光信息记录/再现装置及相关方法,用于提高记录/再现速度
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Application No.: US12137035Application Date: 2008-06-11
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Publication No.: US07936647B2Publication Date: 2011-05-03
- Inventor: Hisayuki Yamatsu
- Applicant: Hisayuki Yamatsu
- Applicant Address: JP Tokyo
- Assignee: Sony Corporation
- Current Assignee: Sony Corporation
- Current Assignee Address: JP Tokyo
- Agency: Oblon, Spivak, McClelland, Maier & Neustadt, L.L.P.
- Priority: JPP2007-172904 20070629
- Main IPC: G11B7/00
- IPC: G11B7/00

Abstract:
An optical information recording device includes: a section that acquires recording information that should be recorded on an optical information recording medium on which information are recorded by forming a recording mark at a position where an optical beam is focused on and from which the information are reproduced based on the reflectance of the recording mark; a section including at least one or more one-surface beam emission sections that emit a recording beam according to part of the recording information to one surface of the recording medium and focus the beam on a target position to form the recording mark; and an section including at least one or more other-surface beam emission sections that emit an recording beam according to the rest of the recording information to the other surface of the recording medium and focus the beam on a target position to form the recording mark.
Public/Granted literature
Information query
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