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公开(公告)号：KR100861950B1
公开(公告)日：2008-10-09
申请号：KR1020070023526
申请日：2007-03-09
Applicant: 삼성전자주식회사
IPC: G11B19/12
Abstract: 본 발명은 광디스크 판별장치 및 그 방법에 관한 것으로, 보다 구체적으로는 광디스크 재생 및 기록 장치에서 DVD 리드인 시간을 대폭적으로 단축시킨 광디스크 판별장치 및 그 방법에 관한 것이다.
본 발명은 광디스크 판별 장치에서 광디스크 종류를 판별하는 방법에 있어서, RF부의 트랙 에러 신호에 따라 광디스크의 종류를 판별하고, 상기 광디스크가 어느 하나의 계열인 경우, 특정 광디스크의 계수를 설정한 후 광픽업 및 스핀들 모터를 구동하고, 상기 트랙 에러 신호와 미리 설정된 기준값을 비교한 후 광디스크가 특정 광디스크로 판별된 경우 특정 광디스크 트랙 에러 신호 계수를 복구하는 과정을 수행한다.-
公开(公告)号：KR1020080032837A
公开(公告)日：2008-04-16
申请号：KR1020060098867
申请日：2006-10-11
Applicant: 삼성전자주식회사
CPC classification number: G11B7/08511 , G11B7/13925 , G11B2007/0013
Abstract: An apparatus and a method for controlling focus between layers in a high-density multilayer disk are provided to stabilize focus servo control of an optical pickup by holding a focus driving signal regardless of an actual focus error signal. An apparatus for controlling focus in a high-density multilayer disk(D) during a focus jump operation comprises an optical pickup(15), a signal processing unit(20), a focus hold unit, a focus servo control unit(32), and a driving unit(40). The optical pickup comprises an objective lens(17) for collecting light on the disk, an aberration compensation unit(19), and an optical detector(18) for detecting the light reflected from the disk. The signal processing unit generates a focus error signal from the detection signal from the optical detector. The focus hold unit holds focusing servo of the optical pickup, comprising a focus error signal hold unit(25) for holding the focus error signal from the signal processing unit, a first switch(27) for switching connection between the signal processing unit and the focus servo control unit, and connection between the focus error signal hold unit and the focus servo control unit, a focus driving signal hold unit for holding a focus driving signal outputted from the focus servo control unit, and a second switch for switching connection between the focus servo control unit and the driving unit, and connection between the focus servo control unit and the focus driving signal hold unit. The focus servo control unit controls the focusing servo of the optical pickup by using the focus error signal. The driving part drives the optical pickup by using a signal outputted from the focus servo control unit.
Abstract translation: 提供了一种用于控制高密度多层盘中的层之间的焦点的装置和方法，用于通过保持聚焦驱动信号来稳定聚焦伺服控制，而不管实际的聚焦误差信号如何。 在聚焦跳跃操作期间用于控制高密度多层盘（D）中的聚焦的装置包括光学拾取器（15），信号处理单元（20），聚焦保持单元，聚焦伺服控制单元（32） 和驱动单元（40）。 光学拾取器包括用于在盘上收集光的物镜（17），像差补偿单元（19）和用于检测从盘反射的光的光学检测器（18）。 信号处理单元根据来自光检测器的检测信号产生聚焦误差信号。 聚焦保持单元保持光学拾取器的聚焦伺服，包括用于保持来自信号处理单元的聚焦误差信号的聚焦误差信号保持单元（25），用于切换信号处理单元和 聚焦伺服控制单元和聚焦误差信号保持单元与聚焦伺服控制单元之间的连接;聚焦驱动信号保持单元，用于保持从聚焦伺服控制单元输出的聚焦驱动信号;以及第二开关，用于切换 聚焦伺服控制单元和驱动单元以及聚焦伺服控制单元与聚焦驱动信号保持单元之间的连接。 聚焦伺服控制单元通过使用聚焦误差信号控制光学拾取器的聚焦伺服。 驱动部通过使用从聚焦伺服控制部输出的信号来驱动光学拾取器。
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公开(公告)号：KR100610673B1
公开(公告)日：2006-08-09
申请号：KR1020050052160
申请日：2005-06-17
Applicant: 삼성전자주식회사
IPC: G11B19/12
Abstract: 본 발명은 광디스크 판별방법에 관한 것으로, 레이저 광의 위치를 이동시키면서 상기 레이저 광을 광디스크에 방사하여 포커스 에러 신호를 얻고, 상기 포커스 에러신호의 파형패턴을 분석하여 광디스크의 종류를 판별하고, 상기 광디스크가 DVD디스크류로 판단되면 포토 디텍터의 합신호 및 트랙 에러 신호를 얻고, 상기 포토 디텍터의 합신호 및 트랙 에러 신호가 정상적으로 출력되는지 여부로 상기 광디스크가 DVD디스크인지, HD-DVD디스크인지 판단한다.
Abstract translation: 本发明涉及一种光盘鉴别方法，同时移动激光束位置通过发射激光束到光盘上，以获得一个聚焦误差信号，分析所述聚焦误差信号的波形模式来确定所述光盘的类型与光盘 如果它被确定为是DVD盘的酸得到的和信号和光检测器的跟踪误差信号，以及是否所述和信号和所述正常输出，确定光盘是否是是否在DVD盘，HD-DVD盘的光检测器的跟踪误差信号。
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公开(公告)号：KR100698908B1
公开(公告)日：2007-03-22
申请号：KR1020050078027
申请日：2005-08-24
Applicant: 삼성전자주식회사
Inventor： 정갑균
Abstract: 광 디스크 기록 및 재생 장치의 제어 방법을 개시한다. 본 발명은 고밀도 광 디스크, 특히 복수의 기록 층을 가진 다층 구조의 광 디스크에 대한 포커스 인입 과정에서 목적하는 기록 층을 찾지 못했을 때 발생할 수 있는 광 픽업과 디스크의 충돌을 방지할 수 있는 광 디스크 기록 및 재생 장치의 제어 방법을 제공하는데 그 목적이 있다. 또한, 디스크의 리드 인 시 기록 층 사이의 이동(layer jump)에 소요되는 시간을 단축시킴으로써 결과적으로 디스크 리드 인 시간을 단축시킬 수 있도록 하는데 또 다른 목적이 있다. 이와 같은 목적의 본 발명에 따른 광 디스크 기록 및 재생 장치의 제어 방법은, 복수의 기록 층을 구비하는 다층 구조의 광 디스크에 대해 데이터의 기록 및 재생을 수행하는 광 디스크 기록 및 재생 장치에 있어서, 광 픽업의 대물렌즈를 다층 구조의 광 디스크에 점진적으로 접근시키면서 복수의 기록 층 각각에 포커스 인입하고; 광 픽업의 대물렌즈가 다층 구조의 광 디스크에 최 근접 위치에 접근할 때까지 복수의 기록 층 가운데 목적하는 기록 층에 도달하지 못하면 광 픽업과 다층 구조의 디스크의 충돌을 방지하기 위한 충돌 방지 제어를 실시한다.
Abstract translation: 公开了一种光盘记录和再现设备的控制方法。 本发明涉及一种能够防止当在高密度光盘中找不到期望记录层时可能发生的光学拾取器和盘之间的碰撞的光盘记录设备， 再现装置的控制方法。 本发明的另一个目的是缩短光盘导入时记录层之间层跳所需的时间，从而缩短光盘的导入时间。 根据本发明的目的是通过在光盘记录实现和用于具有多个记录层的多层结构的光盘上进行记录和再现数据再现装置对光盘记录这样的控制方法和再现装置， 在逐渐接近多层结构的光盘的同时，将光学拾取器的物镜聚焦到多个记录层中的每一个; 当光学拾取器的物镜被访问以接近的多层结构的光盘上的最外位置，用于防止光学拾取器和多层结构的磁盘碰撞的多个对象碰撞防止控制的记录层不能在记录层，其中，以达到 执行。
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公开(公告)号：KR1020140072742A
公开(公告)日：2014-06-13
申请号：KR1020120140598
申请日：2012-12-05
Applicant: 삼성전자주식회사
IPC: G11B7/085
CPC classification number: G11B7/1381 , G11B2007/0013
Abstract: According to an embodiment of the present invention, an optical pickup apparatus comprises: a light transmitting system facing a multilayer optical disk; a light source system to provide light to the light transmitting system; a light receiving system including detection units to detect the light reflected from the multilayer optical disk; and a stray light control unit to prevent stray light generated by the multilayer optical disk from reaching the detection units. The stray light control unit is disposed between the light source system and the light receiving system. The stray light control unit includes: a light transmitting portion which passes through the light reflected from the multilayer optical disk and the stray light; a light diffraction portion which diffracts the light reflected from the multilayer optical disk and the stray light; and a light blocking portion which blocks the light reflected from the multilayer optical disk and the stray light. The light diffraction portion is extended with a predetermined width along one direction of the light transmitting portion.
Abstract translation: 根据本发明的实施例，一种光学拾取装置，包括：面向多层光盘的光传输系统; 光源系统，用于向光传输系统提供光; 光接收系统，包括用于检测从多层光盘反射的光的检测单元; 以及杂散光控制单元，用于防止由多层光盘产生的杂散光到达检测单元。 杂散光控制单元设置在光源系统和光接收系统之间。 杂散光控制单元包括：透过从多层光盘反射的光和杂散光的透光部; 衍射从多层光盘反射的光和杂散光的光衍射部分; 以及阻挡从多层光盘反射的光和杂散光的遮光部。 光衍射部分沿着光透射部分的一个方向以预定宽度延伸。
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Patent Agency Ranking
公开(公告)号：KR1020130135072A
公开(公告)日：2013-12-10
申请号：KR1020130054418
申请日：2013-05-14
Applicant: 삼성전자주식회사
CPC classification number: G11B7/00736 , G11B7/005 , G11B7/24027 , G11B2220/235
Abstract: An information storing medium is disclosed. The information storing medium according to an embodiment of the present invention includes at least one disk layer laminated sequentially, which includes a recording region for recording data and a layer identification region for identifying each disk layer while the length of the layer identification region of each disk layer varies in the track direction. [Reference numerals] (111) Recording region 1;(112) Layer identification region 1;(121) Recording region 2;(122) Layer identification region 2;(131) Recording region n;(132) Layer identification region n
Abstract translation: 公开了一种信息存储介质。 根据本发明的实施例的信息存储介质包括顺序层叠的至少一个盘层，其包括用于记录数据的记录区域和用于识别每个盘层的层识别区域，同时每个盘的层标识区域的长度 层在轨道方向上变化。 （111）记录区域1;（112）层识别区域1;（121）记录区域2;（122）层识别区域2;（131）记录区域n;（132）层识别区域n
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公开(公告)号：KR1020080058891A
公开(公告)日：2008-06-26
申请号：KR1020060133087
申请日：2006-12-22
Applicant: 삼성전자주식회사
IPC: G11B19/12
CPC classification number: G11B19/12 , G11B7/08511 , G11B7/0945 , G11B7/13925 , G11B2007/0006 , G11B2007/0013
Abstract: A method and an apparatus for discriminating optical information storage media are provided to measure an RFDC(Radio Frequency Direct Current) signal generated when moving an objective lens vertically to a multilayered optical disk in order to distinguish the number and thickness of the data layers accurately and increase compatibility between the optical information storage mediums. A method for discriminating optical information storage media comprises the steps of: moving an objective lens vertically at a predetermined speed with an optical information storage medium loaded(S40); generating a summation signal of the sizes of lights collected from a four-division optical detector; measuring a first period in which the summation signal has a higher value than the first level; and detecting the thickness of a data layer of the optical information storage medium from the first period. When the first period is greater than a first reference value and smaller than a second reference value(S70), the media is distinguished as a single layered optical information storage medium(S80). When the first period is greater than the third reference value and smaller than a fourth reference value(S90), the media is distinguished as a double layered optical information storage medium(S100). When the first period is greater than a fifth reference value and smaller than a sixth reference value(S110), the media is distinguished as a multilayered optical information storage medium(S120).
Abstract translation: 提供用于鉴别光学信息存储介质的方法和装置，以测量当将物镜垂直移动到多层光盘时产生的RFDC（射频直流）信号，以便精确地区分数据层的数量和厚度， 增加光信息存储介质之间的兼容性。 一种鉴别光学信息存储介质的方法包括以下步骤：用装载的光学信息存储介质以预定速度垂直移动物镜（S40）; 产生从四分割光学检测器收集的光的大小的求和信号; 测量所述求和信号具有比所述第一电平高的值的第一周期; 以及从第一周期检测光信息存储介质的数据层的厚度。 当第一周期大于第一参考值且小于第二参考值（S70）时，将介质区分为单层光信息存储介质（S80）。 当第一周期大于第三参考值且小于第四参考值时（S90），将介质区分为双层光信息存储介质（S100）。 当第一周期大于第五参考值且小于第六参考值时（S110），将介质区分为多层光信息存储介质（S120）。
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公开(公告)号：KR1020080082789A
公开(公告)日：2008-09-12
申请号：KR1020070023526
申请日：2007-03-09
Applicant: 삼성전자주식회사
IPC: G11B19/12
Abstract: An apparatus for discriminating an optical disc and a discriminating method thereof are provided to reduce a lead-in time in a DVD disc by removing a controller driving time, a stabilizing time, and a stopping time for controlling a focus and a spindle. An apparatus for discriminating an optical disc comprises a spindle motor(60) rotating an optical disc, an optical pickup(10), an RF part(20), and a micro computer(50). The optical pickup emits a laser beam to the optical disc, detects the beam reflected from the optical disc, and controls a focus. The RF part generates a track error signal by the signal input from the optical pickup. The micro computer repairs a track error coefficient of the optical disc when the comparison between the track error signal and a pre-determined reference value indicates that the optical disc corresponds to the track error coefficient.
Abstract translation: 提供一种鉴别光盘的装置及其识别方法，通过去除控制器驱动时间，稳定时间和控制焦点和主轴的停止时间来减少DVD盘中的导入时间。 用于识别光盘的装置包括：旋转光盘的主轴电动机（60），光学拾取器（10），RF部件（20）和微型计算机（50）。 光学拾取器向光盘发射激光束，检测从光盘反射的光束，并控制焦点。 RF部分通过从光学拾取器输入的信号产生轨道误差信号。 当轨道误差信号和预定参考值之间的比较表明光盘对应于轨道误差系数时，微型计算机修复光盘的轨道误差系数。
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9.发明公开
公开(公告)号：KR1020080018681A
公开(公告)日：2008-02-28
申请号：KR1020060081174
申请日：2006-08-25
Applicant: 삼성전자주식회사
CPC classification number: G11B7/08511 , G11B7/0941 , G11B2007/0013
Abstract: A method for minimum deflection acceleration point detection and focus pull-in and layer jump, and an optical disk actuator executing the method are provided to perform stable focus pull-in and to minimize collision between a disk and an objective lens by executing the focus pull-in at the minimum deflection acceleration point of the loaded disk. A disk loaded in an optical disk actuator is rotated(1001). A first minimum deflection acceleration point of the disk is detected during the first rotary duration of the disk(1002). A second minimum deflection acceleration point of the disk is detected during the second rotary duration of the disk(1003). The first minimum deflection acceleration point is detected by using a surface layer of the disk and symmetry of the data layer based on the phase by which the moving direction of the objective lens is switched when moving the objective lens upward and then moving the lens downward. The second minimum deflection acceleration point is detected by using the surface layer of the disk and symmetry of the data layer based on the phase by which the moving direction of the objective lens is switched when moving the objective lens downward and moving the lens upward.
Abstract translation: 提供了一种用于最小偏转加速点检测和聚焦拉入和层跳跃的方法以及执行该方法的光盘致动器，以执行稳定的聚焦拉入，并通过执行聚焦拉力来最小化盘与物镜之间的碰撞 - 在加载的盘的最小偏转加速点处。 装载在光盘致动器中的盘旋转（1001）。 在盘的第一旋转持续时间期间检测盘的第一最小偏转加速度点（1002）。 在盘（1003）的第二旋转持续时间期间检测盘的第二最小偏转加速度点。 通过使用盘的表面层和数据层的对称性，基于当向上移动物镜然后向下移动透镜时切换物镜的移动方向的相位来检测第一最小偏转加速度点。 通过使用盘的表面层和数据层的对称性，基于当向下移动物镜并将镜片向上移动时物镜的移动方向切换的相位来检测第二最小偏转加速度点。
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公开(公告)号：KR1020080010050A
公开(公告)日：2008-01-30
申请号：KR1020060070021
申请日：2006-07-25
Applicant: 삼성전자주식회사
Inventor： 정갑균
CPC classification number: G11B7/094 , G11B7/08511 , G11B7/0908 , G11B7/121 , G11B2007/0013
Abstract: An optical disc drive and a control method thereof are provided to control a pickup module stably by performing high frequency band control prior to low frequency band control. An optical disc drive comprises a pickup module and a servo control unit. The pickup module includes an objective lens to focus a laser on a recorded surface of an optical disc. When performing focus servo control of the pickup module by using high frequency band control and low frequency band control of a focus error signal, the servo control unit carries out high frequency band control prior to low frequency band control.
Abstract translation: 提供了一种光盘驱动器及其控制方法，用于通过在低频带控制之前执行高频带控制来稳定地控制拾取模块。 光盘驱动器包括拾取模块和伺服控制单元。 拾取模块包括用于将激光聚焦在光盘的记录表面上的物镜。 通过使用高频带控制和聚焦误差信号的低频带控制对拾取模块进行聚焦伺服控制时，伺服控制单元在低频带控制之前执行高频带控制。
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