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11. 发明专利

JP2005203090A Optical pickup 审中-公开
标题翻译： OPTICAL PICKUP
公开(公告)号：JP2005203090A
公开(公告)日：2005-07-28
申请号：JP2005006408
申请日：2005-01-13
申请人： Samsung Electronics Co Ltd , 三星電子株式会社
发明人： KIN TAIKEI , AHN YOUNG-MAN , CHUNG CHONG-SAM , KIN SEKICHU , HEOR TAE-YOUN
IPC分类号： G11B7/09 , G11B7/13 , G11B7/135 , G11B7/24
CPC分类号： G11B7/1353 , G11B7/0903 , G11B7/131
摘要： PROBLEM TO BE SOLVED: To provide an optical pickup which can suppress the interference light caused by the neighboring layers and improve the unsteady tracking error signals detected by DPP when recording or reproducing on a multi-layer optical disk which has two or more recording layers on one side. SOLUTION: This optical pickup has an optical component which suppresses the interference light caused by the neighboring layers and received by the photodetector when applied to an optical information recording medium which has at least two or more recording layers on one surface. In this way, it is possible to suppress the interference light caused by the neighboring layers and received by the photodetector, especially by the 1st and 2nd photodetectors. COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供一种光学拾取器，其可以抑制由相邻层引起的干涉光，并且在具有两个或更多个的多层光盘上记录或再现时改善由DPP检测到的不稳定跟踪误差信号一面记录层。解决方案：该光学拾取器具有光学部件，其抑制由相邻层引起的干涉光并且当被施加到在一个表面上具有至少两个或更多个记录层的光学信息记录介质时由光电检测器接收。以这种方式，可以抑制由相邻层引起的并由光电检测器接收的干涉光，特别是通过第一和第二光电检测器。版权所有（C）2005，JPO＆NCIPI

12. 发明专利

JP2005063669A Error signal detector for optical recording and reproducing equipment 有权
标题翻译：用于光学记录和再现设备的错误信号检测器
公开(公告)号：JP2005063669A
公开(公告)日：2005-03-10
申请号：JP2004347758
申请日：2004-11-30
申请人： Samsung Electronics Co Ltd , 三星電子株式会社
发明人： BA HEIIN , CHUNG CHONG-SAM , PARK IN-SIK , CHOI BYOUNG-HO , TO DAIYO
IPC分类号： G11B20/18 , G11B7/007 , G11B7/09 , G11B7/095 , G11B7/13
CPC分类号： G11B7/131 , G11B7/00718 , G11B7/094 , G11B7/0941 , G11B7/0943 , G11B7/0956
摘要： PROBLEM TO BE SOLVED: To provide an error signal detector for an optical recording and reproducing equipment which is provided with a photodetector that receives reflected/diffracted light beams from a recording medium and a signal processing section that detects error signals by computing the detected signals of the photodetector.
SOLUTION: The photodetector is provided with a plurality of light receiving regions that receive optical regions, in which changes in beam profile caused by the tangential tilt of the recording medium are mutually varied in an opposite manner, in a mutually independent manner. The signal processing section detects tangential tilt error signals from the detected signals of the plurality of light receiving regions.
COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供一种用于光学记录和再现设备的误差信号检测器，该设备具有从记录介质接收反射/衍射光束的光电检测器，以及通过计算检测误差信号来检测误差信号的信号处理部件检测到光电检测器的信号。解决方案：光电检测器设置有接收光学区域的多个光接收区域，其中以相互独立的方式，由记录介质的切向倾斜引起的光束轮廓的变化以相反的方式相互变化。信号处理部分从多个光接收区域的检测信号中检测切向倾斜误差信号。版权所有（C）2005，JPO＆NCIPI

13. 发明专利

JP2003315734A Illumination system and projection system 审中-公开
标题翻译：照明系统和投影系统
公开(公告)号：JP2003315734A
公开(公告)日：2003-11-06
申请号：JP2003066772
申请日：2003-03-12
申请人： Samsung Electronics Co Ltd , 三星電子株式会社
发明人： CHOI JONG-CHUL , CHO KUN-HO , CHUNG CHONG-SAM , KIM DAE-SIK
IPC分类号： G02B27/18 , F21V7/08 , F21Y101/00 , G03B21/00 , G03B21/14
CPC分类号： H04N9/3117
摘要： PROBLEM TO BE SOLVED: To provide a high-efficiency illumination system and a projection system employing this system.
SOLUTION: The projection system comprises decreasing the etendue of a light source by providing a portion of the light source with a reflection mirror and subjecting a partial surface of a valve of the light source to reflection coating and branching the beam emitted from the light source by a wavelength, then scrolling the branched beams by a spiral cylinder lens array. As a result, the light efficiency is made higher than the existing optical system of a single plate type and the configuration of the optical system more compact than the optical system of a three plate type is made possible.
COPYRIGHT: (C)2004,JPO
摘要翻译：要解决的问题：提供一种采用该系统的高效照明系统和投影系统。解决方案：投影系统包括通过将光源的一部分设置有反射镜并使光源的阀的部分表面经受反射涂覆并将从所述光源发出的光束分支，来降低光源的光密度光源通过波长，然后通过螺旋柱面透镜阵列滚动分支的光束。结果，光效率高于现有的单板式光学系统，并且比三板式光学系统更紧凑的光学系统的结构成为可能。版权所有（C）2004，JPO

14. 发明专利

JP2004152472A Actuator for optical pickup, optical pickup device, and optical recording/reproducing device 审中-公开
公开(公告)号：JP2004152472A
公开(公告)日：2004-05-27
申请号：JP2003369401
申请日：2003-10-29
申请人： Samsung Electronics Co Ltd , 三星電子株式会社
发明人： KIN SEKICHU , RI YOKUN , CHUNG CHONG-SAM , KIN TAIKEI
IPC分类号： G11B7/095 , G11B7/085 , G11B7/09 , G11B7/12 , G11B7/125 , G11B7/135 , G11B7/22
CPC分类号： G11B7/1369 , G11B7/093 , G11B7/0932 , G11B7/0935 , G11B7/0956 , G11B7/13927 , G11B7/22
摘要： PROBLEM TO BE SOLVED: To provide an actuator for optical pickup in which an energizing path of this active element is secured and hardness of a wire is optimized at the time of adopting an active element for compensating spherical aberration, an optical pickup device, and an optical recording/reproducing device. SOLUTION: This actuator for optical pickup is provided with a base, a holder provided on this base, a movable part in which an objective lens focusing incident light on a disk and a liquid crystal panel for compensating spherical aberration are incorporated, a magnetic driving part driving the movable part in the direction of a radius of the disk and of focusing, a first coupling part consisting of at least four wires or more, and a second coupling part which is electrically independent from the first coupling part, utilized as an energizing path of a signal for driving the liquid crystal panel, and consists of a plurality of wires, then, the actuator comprises a coupling member supporting the movable part freely movably for the holder. COPYRIGHT: (C)2004,JPO

15. 发明专利

JP2004134056A Lens and optical pickup having correction function of wave front aberration due to tilt 有权
公开(公告)号：JP2004134056A
公开(公告)日：2004-04-30
申请号：JP2003311331
申请日：2003-09-03
申请人： Samsung Electronics Co Ltd , 三星電子株式会社
发明人： KIN TAIKEI , CHUNG CHONG-SAM , AHN YOUNG-MAN , KIM JONG-BAE
IPC分类号： G11B7/00 , G11B7/002 , G11B7/09 , G11B7/095 , G11B7/135
CPC分类号： G11B7/1374 , G11B7/0933 , G11B7/0935 , G11B7/0956 , G11B7/1353 , G11B7/13922 , G11B2007/0006
摘要： PROBLEM TO BE SOLVED: To provide an optical pickup which can handle a plurality of recording medium having different recording denisity such as CD, DVD, next-generation DVD by a plurality of objective lenses and a light source with a plurality of wave lengths. SOLUTION: The tilt of the objective lenses occurring in optical pickup production is compensated by driving an objective lens actuator. This actuator 40 can be lighter in weight than the operation parts of a conventional plurality of objective lenses 41 and 45 by separating a magnetic circuit to be installed at an operation part into a focusing direction and a tracking direction. The plurality of objective lenses are installed considering the difference of working distances to prevent the contact of an objective lens having a short working distance and the recording medium. COPYRIGHT: (C)2004,JPO

16. 发明专利

JP2003281775A Compatible optical pickup 有权
标题翻译：兼容光学拾取
公开(公告)号：JP2003281775A
公开(公告)日：2003-10-03
申请号：JP2002323070
申请日：2002-11-06
申请人： Samsung Electronics Co Ltd , 三星電子株式会社
发明人： KIN TAIKEI , AHN YOUNG-MAN , CHUNG CHONG-SAM , JO KAITEI , LEE JIN-KYUNG , KIM JONG-BAE
IPC分类号： G02B5/18 , G02B5/30 , G02B5/32 , G02B13/00 , G02B13/18 , G11B7/00 , G11B7/125 , G11B7/135
CPC分类号： G11B7/1353 , G11B7/127 , G11B7/1367 , G11B7/1376 , G11B7/139 , G11B7/13922 , G11B2007/0006
摘要： PROBLEM TO BE SOLVED: To provide a compatible optical pickup in which defocus of a short wavelength light source due to mode hopping is reduced and sufficient working distance is secured so that collision between an objective lens and a low density optical disk is not caused to light emitted by a long wavelength light source by providing the compatible optical pickup with a divergent lens. SOLUTION: The compatible optical pickup includes an optical unit for emitting short wavelength light suitable for high density optical disk and at least one long wavelength light suitable for at least one kind of low density optical disk, receiving and detecting the light reflected from the high density optical disk and the low density optical disk, the objective lens for forming a light spot on the high density optical disk and the low density optical disk by focusing incident short wavelength and long wavelength light beams, a diffractive device for correcting chromatism according to a change in wavelength of the short wavelength light beam by refracting the short wavelength light beam incident from the side of the optical unit and the divergent lens for increasing a working distance with respect to the at least one kind of low density optical disks by refracting the long wavelength light beam proceeding toward the objective lens. COPYRIGHT: (C)2004,JPO
摘要翻译：要解决的问题：提供一种兼容的光学拾取器，其中由于跳模而导致的短波长光源的散焦减小并且确保足够的工作距离，使得物镜和低密度光盘之间的碰撞不是通过提供具有发散透镜的兼容的光学拾取器而导致由长波长光源发射的光。解决方案：兼容光学拾取器包括用于发射适用于高密度光盘的短波长光的光学单元和适用于至少一种低密度光盘的至少一种长波长光，接收和检测从高密度光盘和低密度光盘，用于通过聚焦入射短波长和长波长光束在高密度光盘上形成光点的物镜和低密度光盘，用于校正色差的衍射装置通过折射从光学单元的侧面入射的短波长光束和发散透镜来改变短波长光束的波长，用于通过折射来增加相对于至少一种低密度光盘的工作距离长波长光束朝物镜前进。版权所有（C）2004，JPO

17. 发明专利

JP2003030903A Optical recording medium recordable on land track and groove track 有权
标题翻译：光盘记录在陆地轨道和轨道轨迹上
公开(公告)号：JP2003030903A
公开(公告)日：2003-01-31
申请号：JP2002153984
申请日：2002-05-28
申请人： Samsung Electronics Co Ltd , 三星電子株式会社
发明人： KIN TAIKEI , AHN YOUNG-MAN , CHUNG CHONG-SAM , LEE JIN-KYUNG , KIM JONG-BAE , YOON DU-SEOP
IPC分类号： G11B7/24 , G11B7/007 , G11B27/19 , G11B27/24
CPC分类号： G11B27/24 , G11B7/00718 , G11B7/24082 , G11B2220/216 , G11B2220/2575
摘要： PROBLEM TO BE SOLVED: To provide an optical disk recordable on land and groove tracks.
SOLUTION: The optical disk is provided with first wobbles 11 which are formed near groove tracks along both sidewalls of the groove tracks, second wobbles 15 which are formed near land tracks along both sidewalls of land tracks, and middle portion M which mark off areas where the wobbles are formed and areas where the second wobbles are formed, and a wobble signal on which address information is put can be recorded in the first and second wobbles. Thus a non-recordable area than a recording area is considerably reduced, in comparison with existing land/groove optical disk, and the recording density is improved significantly.
COPYRIGHT: (C)2003,JPO
摘要翻译：要解决的问题：提供可在陆地和凹槽轨道上记录的光盘。解决方案：光盘设置有第一摆动11，它们沿着凹槽轨道的两个侧壁形成在凹槽轨道附近，第二摆动15沿着凸台轨道的两个侧壁形成在凸台轨道附近;以及中间部分M，形成摆动并形成第二摆动的区域，并且能够将摆放有地址信息的摆动信号记录在第一和第二摆动中。因此，与现有的平面/凹槽光盘相比，与记录区域相比，不可记录区域显着减少，并且显着提高了记录密度。

18. 发明专利

JP2000076681A Servo error detection method and device suited to it 审中-公开
标题翻译：伺服错误检测方法及其设备
公开(公告)号：JP2000076681A
公开(公告)日：2000-03-14
申请号：JP24054599
申请日：1999-08-26
申请人： Samsung Electronics Co Ltd , 三星電子株式会社
发明人： SHU SEISHIN , PARK IN-SIK , BA HEIIN , CHUNG CHONG-SAM , YOO JANG-HOON , KO JUNG-WAN , LEE KYUNG-GEUN , JO CHUGEN
IPC分类号： G11B7/24 , G11B7/00 , G11B7/007 , G11B7/09 , G11B7/095 , G11B20/12 , G11B21/10
CPC分类号： G11B7/00718 , G11B7/0901 , G11B7/0938 , G11B7/0941 , G11B7/0956
摘要： PROBLEM TO BE SOLVED: To accurately grasp a tilt state of a disk by detecting a servo error according to a ratio between sizes of regenerative signals correspondent to reference patterns recorded on two positions separated from each other.
SOLUTION: A balance operation part 70 operates the ratio between the size Ivf01 of a vf01 signal detected from a first synchronizing signal level detector 66 and the size Ivf03 of a vf03 signal detected from a second synchronizing level detector 68. A comparison part 72 compares a balance value K1 operated by the balance operation part 70 with a prescribed reference value K0 to output a difference Kt between two values. A land/groove detection part 76 inputs the regenerative signal, and detects whether a present track is a land track or a groove track, and a polarity inversion part 78 inverts a polarity of the difference value Kt outputted from the comparison part 72 according to the result. A tilt adjustment part 74 adjusts the tilt of the disk according to the polarity inverted difference value Kt outputted from the polarity inversion part 78.
COPYRIGHT: (C)2000,JPO
摘要翻译：要解决的问题：通过根据记录在彼此分离的两个位置上记录的参考图案的再生信号的大小之间的比率检测伺服误差来准确地掌握盘的倾斜状态。解决方案：平衡操作部分70操作从第一同步信号电平检测器66检测的vf01信号的尺寸Ivf01与从第二同步电平检测器68检测的vf03信号的尺寸Ivf03之间的比率。比较部分72将由平衡运算部70运算的平均值K1为规定的基准值K0，输出两个值之间的差Kt。纹间/沟槽检测部76输入再生信号，并检测当前的曲目是否是平面曲面或纹道，极性反转部78根据比较部72反转从比较部72输出的差值Kt的极性结果。倾斜调整部74根据从极性反转部78输出的极性反转差值Kt来调整盘的倾斜。

19. 发明专利

JP2004227760A Optical pickup actuator 有权
公开(公告)号：JP2004227760A
公开(公告)日：2004-08-12
申请号：JP2004014593
申请日：2004-01-22
申请人： Samsung Electronics Co Ltd , 三星電子株式会社
发明人： KIN SEKICHU , KIM KWANG , CHUNG CHONG-SAM , JO KAITEI , KIM SUN-MO , LEE JIN-WON
IPC分类号： G11B7/09 , G11B7/085 , G11B7/095
CPC分类号： G11B7/08576 , G11B7/0956
摘要： PROBLEM TO BE SOLVED: To provide an optical pickup actuator in which since position control of an optical pickup is performed by elastic deformation of a leaf spring of a compact light weight member, response is good and sensitivity of control is excellent.
SOLUTION: This actuator comprises a swing arm provided freely rotatably in the direction of tracking with respect to a recording medium, a first drive unit rotating the swing arm, and a leaf spring of which the one side is fixed to the swing arm, the other side free end part can be deformed elastically in the direction of focus with respect to the recording medium, and the free end part is coupled to an optical pickup, and a second drive unit deformation-driving the leaf spring.
COPYRIGHT: (C)2004,JPO&NCIPI

20. 发明专利

JP2005122899A Optical pickup device 审中-公开
标题翻译：光学拾取器件
公开(公告)号：JP2005122899A
公开(公告)日：2005-05-12
申请号：JP2005010863
申请日：2005-01-18
申请人： Samsung Electronics Co Ltd , 三星電子株式会社
发明人： KIM TAE-KYUNG , CHUNG CHONG-SAM , AHN YOUNG-MAN , SUH HEA-JUNG
IPC分类号： G02B9/10 , G02B13/00 , G02B13/18 , G11B7/125 , G11B7/135 , H01S5/40
CPC分类号： G11B7/1376 , G11B7/13922
摘要： PROBLEM TO BE SOLVED: To provide a compatible type optical pickup device which uses laser beams of two wavelengths which are different with each other of a short wavelength band and a compatible type optical pickup device which can correct aberration occurring due to a rapid change of the refractive index of an optical material and a compatible optical pickup device in which a DVD to which a laser beam of 650 nm is applied and laser beams around 400 nm shorter than the laser beam of 650 nm are applcable. SOLUTION: In this optical pickup device, a collimating lens 103 including a diverging lens 103b with negative power and a focusing lens 103a with positive power is arranged between a light source 104 and an objective lens 101. When it is assumed that the total focal distance of the collimating lens 103 is (f) and the focal distance of of the diverging lens 103b is fn, the collimating lens satisfies the relationship -1.5>f/fn. COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供一种兼容型光学拾取装置，其使用彼此不同的短波长带的两个波长的激光束和可以校正由于快速发生的像差的兼容型光学拾取装置光学材料的折射率的变化和其中施加有650nm的激光束的DVD和比650nm的激光束短400nm的激光束的兼容的光学拾取装置是可以应用的。解决方案：在该光学拾取装置中，包括具有负功率的发散透镜103b和具有正功率的聚焦透镜103a的准直透镜103布置在光源104和物镜101之间。当假定准直透镜103的总焦距为（f），发散透镜103b的焦距为fn，准直透镜满足关系-1.5> f / fn。版权所有（C）2005，JPO＆NCIPI

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