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1. 发明申请

US20080225661A1 Optical Apparatus Capable of Generating Adaptive Control Signals 审中-公开
标题翻译：能够生成自适应控制信号的光学装置
公开(公告)号：US20080225661A1
公开(公告)日：2008-09-18
申请号：US11994534
申请日：2006-06-28
申请人： Mohamad-Hussein El Husseini , Stefan Geusens , Jeroen Arnoldus Leonardus Johannes Raaymakers
发明人： Mohamad-Hussein El Husseini , Stefan Geusens , Jeroen Arnoldus Leonardus Johannes Raaymakers
IPC分类号： G11B5/58
CPC分类号： G11B7/0948
摘要： The present invention discloses an optical apparatus capable of reproducing/recording information from/to an optical carrier, e.g. a DVD or BD disk. The apparatus has control means for positioning/focusing a radiation beam (5) on the carrier and photo detection means for detection of radiation reflected from the carrier. Additionally, defect detection means (DEFO) for detection of surface defect areas (A1, A2) can indicate where surface defects, e.g. scratches etc., are present. Processing means are adapted for integrating, and preferably differentiate, error signals (RE, FE) immediately after the beam (5.b) is exiting a defect area (A1) for generating adaptive control signals (AD_RE, AD_FE). The optical system is adapted to apply the adaptive control signals (AD_RE, AD_FE) when the beam is positioned in the defect area (A1) again, thereby reducing off-track deviation as the beam (5.d) exits the defect area (A1).
摘要翻译：本发明公开了一种能够从光学载体再现/记录信息的光学装置，例如， DVD或BD盘。该装置具有用于将辐射束（5）定位/聚焦在载体上的控制装置和用于检测从载体反射的辐射的光检测装置。此外，用于检测表面缺陷区域（A 1，A 2）的缺陷检测装置（DEFO）可以指示表面缺陷，例如，划痕等。处理装置适于在波束（5b）离开用于产生自适应控制信号（AD_RE，AD_FE）的缺陷区域（A 1）之后立即整合并优选地区分误差信号（RE，FE）。当光束再次定位在缺陷区域（A 1）中时，光学系统适于施加自适应控制信号（AD_RE，AD_FE），从而当光束（5d）离开缺陷区域 A 1）。

2. 发明授权

US07782723B2 Optimum tracking error compensation for improved optical disk playability 失效
标题翻译：最佳跟踪误差补偿，提高光盘的可播放性
公开(公告)号：US07782723B2
公开(公告)日：2010-08-24
申请号：US11994533
申请日：2006-06-28
申请人： Mohamad-Hussein El Husseini , Stefan Hendrik Guillaume Steven , Stefan Geusens , Jeroen Arnoldus Leonardus Johannes Raaymakers
发明人： Mohamad-Hussein El Husseini , Stefan Hendrik Guillaume Steven , Stefan Geusens , Jeroen Arnoldus Leonardus Johannes Raaymakers
IPC分类号： G11B7/00
CPC分类号： G11B7/0948 , G11B20/10009
摘要： The present invention relates to a method for operating an optical drive system capable of reproducing/recording information from/to an optical carrier (30), wherein a position error and a speed error of a radiation spot (12, 53) on the carrier has been created due to an unreliable error signal which has been generated due to a surface defect (52). The method includes the steps of registering values of e.g. servo signals, determining the occurrence of a defect using a defect detector DEFO (22), generating a first and a second compensation signal and applying these compensation signals to the control system (10) of the optical drive system. The first compensation signal is capable of reducing the speed error and the second compensation signal is capable of reducing the position error. Thus, the application of the compensation signals immediately after the unreliable error signals reduces the position error and the speed error of the focussed radiation spot (12, 53).
摘要翻译：本发明涉及一种用于操作能够从光载体（30）再现/记录信息的光驱动系统的方法，其中载体上的辐射点（12,53）的位置误差和速度误差具有由于由于表面缺陷（52）而产生的不可靠的误差信号而产生。该方法包括以下步骤：伺服信号，使用缺陷检测器DEFO（22）确定缺陷的发生，产生第一和第二补偿信号，并将这些补偿信号施加到光驱系统的控制系统（10）。第一补偿信号能够降低速度误差，第二补偿信号能够减少位置误差。因此，在不可靠的误差信号之后立即应用补偿信号降低了聚焦辐射点（12,53）的位置误差和速度误差。

3. 发明申请

US20080212433A1 Optimum Tracking Error Compensation For Improved Optical Disk Playability 失效
标题翻译：最佳跟踪误差补偿，以提高光盘播放性
公开(公告)号：US20080212433A1
公开(公告)日：2008-09-04
申请号：US11994533
申请日：2006-06-28
申请人： Mohamad-Hussein El Husseini , Stefan Hendrik Guillaume Steven , Stefan Geusens , Jeroen Arnoldus Leonardus Johannes Raaymakers
发明人： Mohamad-Hussein El Husseini , Stefan Hendrik Guillaume Steven , Stefan Geusens , Jeroen Arnoldus Leonardus Johannes Raaymakers
IPC分类号： G11B5/09
CPC分类号： G11B7/0948 , G11B20/10009
摘要： The present invention relates to a method for operating an optical drive system capable of reproducing/recording information from/to an optical carrier (30), wherein a position error and a speed error of a radiation spot (12, 53) on the carrier has been created due to an unreliable error signal which has been generated due to a surface defect (52). The method includes the steps of registering values of e.g. servo signals, determining the occurrence of a defect using a defect detector DEFO (22), generating a first and a second compensation signal and applying these compensation signals to the control system (10) of the optical drive system. The first compensation signal is capable of reducing the speed error and the second compensation signal is capable of reducing the position error. Thus, the application of the compensation signals immediately after the unreliable error signals reduces the position error and the speed error of the focussed radiation spot (12, 53).
摘要翻译：本发明涉及一种用于操作能够从光载体（30）再现/记录信息的光驱动系统的方法，其中载体上的辐射点（12,53）的位置误差和速度误差具有由于由于表面缺陷（52）而产生的不可靠的误差信号而产生。该方法包括以下步骤：伺服信号，使用缺陷检测器DEFO（22）确定缺陷的发生，产生第一和第二补偿信号，并将这些补偿信号施加到光驱系统的控制系统（10）。第一补偿信号能够降低速度误差，第二补偿信号能够减少位置误差。因此，在不可靠的误差信号之后立即应用补偿信号降低了聚焦辐射点（12,53）的位置误差和速度误差。

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