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1. 发明专利

JP2005122810A Optical disk device 审中-公开
标题翻译：光盘设备
公开(公告)号：JP2005122810A
公开(公告)日：2005-05-12
申请号：JP2003355801
申请日：2003-10-16
申请人： Hitachi Ltd , Hitachi-Lg Data Storage Inc , 株式会社日立エルジーデータストレージ , 株式会社日立製作所
发明人： AKABOSHI KENJI , SAITO ATSUSHI , NIHEI MAKOTO , ISHII JUNICHI
IPC分类号： G11B7/24 , G11B7/00 , G11B7/0045 , G11B7/085 , G11B7/125
CPC分类号： G11B7/1267
摘要： PROBLEM TO BE SOLVED: To safely perform defocus irradiation of high power laser without corrupting data by erroneous data recording or overwrite recording even in recording on an eccentric disk and the occurrence of wobbling in recording, when performing laser emission on a disk recording surface in a defocus state. SOLUTION: A tracking coil is used for further moving an objective lens in the direction of the inner periphery as compared with a PCA region existing at the inner periphery of a disk (the objective lens is moved in the direction of the outer periphery when the PCA region is at the outer periphery). After that, the laser beam is emitted. COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：即使在偏心盘上的记录中也能通过错误的数据记录或重写记录而不破坏数据的散焦照射以及在记录中发生摆动的情况下，当在盘记录上执行激光发射时，能够安全地执行散焦照射表面处于散焦状态。解决方案：与存在于盘的内周的PCA区域相比，使用跟踪线圈在物体的内周方向上进一步移动物镜（物镜沿外周方向移动当PCA区域在外周时）。之后，发射激光束。版权所有（C）2005，JPO＆NCIPI

2. 发明专利

JP2011159370A Optical disk recorder and method of deciding optimum recording power 审中-公开
标题翻译：光盘记录器和决定最佳记录功率的方法
公开(公告)号：JP2011159370A
公开(公告)日：2011-08-18
申请号：JP2010022806
申请日：2010-02-04
申请人： Hitachi-Lg Data Storage Inc , 株式会社日立エルジーデータストレージ
发明人： HOSHINO TAKASHI , TODA TAKESHI , ISHII JUNICHI
IPC分类号： G11B7/0045 , G11B7/125
摘要： PROBLEM TO BE SOLVED: To provide an optical disk recorder which reduces the effect even if a value significantly deviates from optimum power is included when determining an optimum recording power through a plurality of OPCs, and reduces the effect even if there is dust or dirt in a place subjected to OPC. SOLUTION: A controller (control section) 5 controls a signal processing section 4 and executes trial recording to determine the optimum recording power. The controller 5 performs OPCs (trial recording) a plurality of times on an optical disk 1, and determines the center value of a plurality of optimum recording powers obtained by the OPCs to decide it as the final optimum recording power. Further, OPCs are executed a plurality of times in a plurality of jump areas which are not continuous on the optical disk. COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提供一种光盘记录器，即使在通过多个OPC确定最佳记录功率时，包括显着偏离最佳功率的值也会降低效果，并且即使存在灰尘也会降低效果或在受到OPC的地方的污物。解决方案：控制器（控制部分）5控制信号处理部分4并执行试验记录以确定最佳记录功率。控制器5在光盘1上执行多次OPC（试用记录），并且确定由OPC获得的多个最佳记录功率的中心值以将其确定为最终最佳记录功率。此外，OPC在光盘上不连续的多个跳跃区域中执行多次。版权所有（C）2011，JPO＆INPIT

3. 发明专利

JP2005092976A Recording power control method in optical disk device 审中-公开
标题翻译：光盘设备中的记录功率控制方法
公开(公告)号：JP2005092976A
公开(公告)日：2005-04-07
申请号：JP2003324098
申请日：2003-09-17
申请人： Hitachi Ltd , Hitachi-Lg Data Storage Inc , 株式会社日立エルジーデータストレージ , 株式会社日立製作所
发明人： ISHII JUNICHI , YASUKAWA TAKAKIYO , NARITA YUTAKA , IMAI MASASHI
IPC分类号： G11B5/09 , G11B7/00 , G11B7/0045 , G11B7/007 , G11B7/085 , G11B7/125 , G11B19/28
CPC分类号： G11B7/126 , G11B7/00456 , G11B7/0079
摘要： PROBLEM TO BE SOLVED: To provide a specific recording power control method in an optical disk device, for deciding how to measure recording quality during linear velocity establishment for a linear velocity varied from zone to zone of an optical disk and how to set recording power for a next zone. SOLUTION: In switching a zone, recording on an optical disk by an opposing head is interrupted, a predetermined return point in a recorded part is sought by the head, the head is moved at the return point to the next zone, a motor for rotating the optical disk is switched to the linear velocity of the next zone so as to be accelerated, the recorded part is reproduced to measure recording quality during the acceleration, recording power is set for the next zone on the basis of the measured recording quality, and the recording on the optical disk is resumed when the motor reaches the linear velocity of the next zone and the head reaches the next zone. COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：为了在光盘装置中提供特定的记录功率控制方法，用于决定如何在线速度建立期间对于从光盘的区域变化的线速度测量记录质量以及如何设置记录下一个区域的电源。解决方案：在切换区域时，相对的头部在光盘上的记录被中断，头部寻求记录部分中的预定返回点，头部在返回点移动到下一个区域，旋转光盘的电动机被切换到下一个区域的线速度以加速，记录部分被再现以测量加速期间的记录质量，记录功率是根据测量的记录质量，并且当电机达到下一个区域的线速度并且头部到达下一个区域时，光盘上的记录被恢复。版权所有（C）2005，JPO＆NCIPI

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