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基本信息:
- 专利标题: Evaluation disc
- 专利标题(中):Bewertungsplatte
- 申请号:EP05016330.2 申请日:2005-07-27
- 公开(公告)号:EP1622150A2 公开(公告)日:2006-02-01
- 发明人: Sogawa, Teruaki , Yoshioka, Joji , Inoue, Katsuichi
- 申请人: Funai Electric Co., Ltd.
- 申请人地址: 7-1, Nakagaito 7-chome Daito-shi, Osaka JP
- 专利权人: Funai Electric Co., Ltd.
- 当前专利权人: Funai Electric Co., Ltd.
- 当前专利权人地址: 7-1, Nakagaito 7-chome Daito-shi, Osaka JP
- 代理机构: Grünecker, Kinkeldey, Stockmair & Schwanhäusser Anwaltssozietät
- 优先权: JP2004218107 20040727
- 主分类号: G11B27/00
- IPC分类号: G11B27/00 ; G11B7/00
摘要:
An evaluation disc for use in evaluating a pickup head of an optical disc device, including: an inner circular region: an intermediate circular region; and an outer circular region; wherein the outer circular region and the intermediate circular region are formed on the outer side of the inner circular region; the outer circular region is formed on the outer side of the intermediate circular region; each of the inner circular region, the intermediate circular region and the outer circular region being divided in to a CD evaluation region written with CD standard recording information and a DVD evaluation region written with DVD standard recording information.
摘要(中):
一种用于评估光盘装置的拾取头的评估盘,包括:内圆形区域:中间圆形区域; 和外圆区域; 其中所述外圆形区域和所述中间圆形区域形成在所述内圆形区域的外侧上; 外圆形区域形成在中间圆形区域的外侧上; 内部圆形区域,中间圆形区域和外部圆形区域中的每一个被划分为用CD标准记录信息写入的CD评估区域和用DVD标准记录信息写入的DVD评估区域。
公开/授权文献:
- EP1622150B1 Evaluation disc 公开/授权日:2008-11-05
IPC结构图谱:
G | 物理 |
--G11 | 信息存储 |
----G11B | 基于记录载体和换能器之间的相对运动而实现的信息存储 |
------G11B27/00 | 编辑;索引;寻址;定时或同步;监控;磁带行程的测量 |