发明申请
- 专利标题: PLAYBACK DEVICE, PLAYBACK METHOD AND PROGRAM
- 专利标题(中): 播放设备,播放方法和程序
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申请号: US13109087申请日: 2011-05-17
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公开(公告)号: US20120002518A1公开(公告)日: 2012-01-05
- 发明人: Seiichi SAGARA , Kamon Uemura , Takeshi Yonezawa
- 申请人: Seiichi SAGARA , Kamon Uemura , Takeshi Yonezawa
- 申请人地址: JP Tokyo
- 专利权人: Sony Corporation
- 当前专利权人: Sony Corporation
- 当前专利权人地址: JP Tokyo
- 优先权: JP2010-149581 20100630
- 主分类号: G11B7/00
- IPC分类号: G11B7/00
摘要:
There is provided a playback device including an adjustment portion that, based on a first data recording surface among a plurality of data recording surfaces of an optical recording medium, adjusts tilt with respect to the first data recording surface, an adjustment amount measurement portion that measures a first tilt adjustment amount from a result of the tilt adjustment, an acquisition portion that acquires a coma aberration of the playback device, and a calculation portion that, based on the first tilt adjustment amount and the coma aberration, calculates a second tilt adjustment amount to adjust tilt with respect to a second data recording surface that is different to the first data recording surface.
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