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1. 发明专利

JP2008004250A Optical disc apparatus and optical pickup 审中-公开
标题翻译：光盘设备和光学拾取
公开(公告)号：JP2008004250A
公开(公告)日：2008-01-10
申请号：JP2006345865
申请日：2006-12-22
申请人： Sony Corp , ソニー株式会社
发明人： KATO NORIYUKI , SEO KATSUHIRO , OKAMOTO YOSHIKI
IPC分类号： G11B7/09 , G11B7/135
CPC分类号： G11B7/0903 , G11B7/0906 , G11B7/1275 , G11B7/1353 , G11B7/1381 , G11B2007/0006
摘要： PROBLEM TO BE SOLVED: To prevent a reduction in quality of a tracking error signal STE even when an objective lens does not exist on a radius of an optical disc. SOLUTION: A sub-beam SB is separated from a light beam so that, in a reflected light spot QB formed when the sub-beam SB reflected on a signal recording layer of the optical disc is received by a light receiving device 8, a light amount of an overlapping region W in which a primary light region AR0 of a zeroth-order light beam formed by the sub-beam SB diffracted on the optical disc, and ±first-order light beams, is smaller than that of a central region ARc which is a region other than the overlapping region W of the primary light region AR0. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：即使当物镜在光盘的半径上不存在时，也可以防止跟踪误差信号STE的质量降低。解决方案：子束SB与光束分离，使得当在光盘的信号记录层上反射的子光束SB形成的反射光点QB被光接收装置8接收由在光盘上衍射的副光束SB形成的零级光束的初级光区域AR0和±一级光束的重叠区域W的光量小于中心区域ARc，其是与初级光区域AR0的重叠区域W不同的区域。版权所有（C）2008，JPO＆INPIT

2. 发明专利

JP2007265595A Optical pickup device and optical disk drive 有权
标题翻译：光学拾取器件和光盘驱动器
公开(公告)号：JP2007265595A
公开(公告)日：2007-10-11
申请号：JP2006329755
申请日：2006-12-06
申请人： Sony Corp , ソニー株式会社
发明人： KOBAYASHI TAKASHI , SEO KATSUHIRO , OKAMOTO YOSHIKI , KATO NORIYUKI
IPC分类号： G11B7/095 , G11B7/135
CPC分类号： G11B7/0901 , G11B7/123 , G11B7/131 , G11B7/1353 , G11B7/1381
摘要： PROBLEM TO BE SOLVED: To attain a stable servo control by a simple constitution. SOLUTION: The light receiving section of a light receiving section has such a constitution that two areas are arranged so as to divide a spot 180 in the tangential direction of a disk, and the spot 180 becomes the asymmetric shape with respect to a line segment parallel with a radial direction passing through the center of the spot 180 and also to a line segment parallel with the tangential direction passing through the center of the spot 180. Since the movement of the spot position of a light beam in the radial direction is revealed as the shape change of the spot formed on the light receiving section, a lens shift signal can be detected by computing the difference of signals output from the areas K and L of the light receiving section. This invention is applicable for an optical pickup. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：通过简单的结构实现稳定的伺服控制。解决方案：光接收部分的光接收部分具有这样的结构：两个区域被布置成在盘的切线方向上划分点180，并且点180相对于线段与通过光斑180的中心的径向方向平行，并且还与通过光斑180的中心的切线方向平行的线段平行。由于光束在径向上的光点位置的运动被揭示为形成在光接收部分上的光斑的形状变化，可以通过计算从光接收部分的区域K和L输出的信号的差异来检测透镜移位信号。本发明适用于光学拾取器。版权所有（C）2008，JPO＆INPIT

3. 发明专利

JP2006048876A Stray light quantity detecting method, layer discriminating method, and optical disk unit 审中-公开
标题翻译：轻量级检测方法，层分离方法和光盘单元
公开(公告)号：JP2006048876A
公开(公告)日：2006-02-16
申请号：JP2004231936
申请日：2004-08-09
申请人： Sony Corp , ソニー株式会社
发明人： KATO NORIYUKI , KOBAYASHI TAKASHI
IPC分类号： G11B7/005 , G11B7/004 , G11B7/09
摘要： PROBLEM TO BE SOLVED: To generate a stable servo signal to enable to detect accurately stray light quantity, therefore, to enable to eliminate offset quantity by stray light by eliminating accurately stray light from a detected signal of an information recording layer. SOLUTION: When a laser beam is converged on a two layer optical disk medium having information recording layers L0 and L1, for example, an information recording layer LO, a light receiving element for stray light is arranged at a focal position of stray light being reflected light of the information signal layer L1 being adjacent to a layer to be recorded and reproduced, detected quantity of this light receiving element for this stray light is converted into stray light quantity on a light receiving element 12a for recording and reproducing receiving reflected light from the layer to be recorded and reproduced. Thereby, accurate stray light quantity can be calculated. Therefore, converted stray light quantity is subtracted from detected quantity of the light receiving element 12a for recording and reproducing, a detected signal by reflected light from the L0 layer in which stray light is completely canceled by subtracting converted stray light quantity from detected quantity of the light receiving element 12a for recording and reproducing can be obtained, a stable servo signal can be generated using this detected signal. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：为了产生稳定的伺服信号以使得能够准确地检测杂散光量，因此，通过从信息记录层的检测信号中精确地消除杂散光，能够消除杂散光的偏移量。解决方案：当激光束会聚在具有信息记录层L0和L1的双层光盘介质上时，例如信息记录层LO，用于杂散光的光接收元件设置在杂散的焦点位置作为与要记录和再现的层相邻的信息信号层L1的反射光，作为该杂散光的光接收元件的检测量，被转换成用于记录和再生的受光元件12a的杂散光来自该层的光将被记录和再现。从而可以计算准确的杂散光量。因此，从用于记录和再现的光接收元件12a的检测量中减去转换的杂散光量，通过从L0层的反射光中检测出的杂波光被完全消除的检测信号，通过从检测到的量的可以获得用于记录和再现的光接收元件12a，可以使用该检测信号产生稳定的伺服信号。版权所有（C）2006，JPO＆NCIPI

4. 发明专利

JP2005135491A Method for adjusting optical pickup and optical pickup 有权
标题翻译：调整光学拾取和光学拾取的方法
公开(公告)号：JP2005135491A
公开(公告)日：2005-05-26
申请号：JP2003369338
申请日：2003-10-29
申请人： Sony Corp , ソニー株式会社
发明人： MANO KIYOSHI , KOBAYASHI TAKASHI , KATO NORIYUKI
IPC分类号： G11B7/22 , G11B7/135
摘要： PROBLEM TO BE SOLVED: To prevent deterioration in quality of a reproducing signal, even when the characteristics of a laser diode vary. SOLUTION: The optical pickup 1, is provided with: a step SP2 for measuring the light amount P1 of an optical beam emitted from a laser diode 3; a step SP4 for measuring the light amount P2 of the optical beam emitted from the laser diode 3 and sequentially transmitted through a 1/2 wavelength plate 5, an aperture 10, a polarization beam splitter 8, and an aperture 14; and a step SP4 for changing the transmittance at the polarization beam splitter 8 by adjusting the rotational angle θ of the 1/2 wavelength plate 5 and for adjusting the ratio of the light amount P2 to the light amount P1 at a prescribed value. Accordingly, the variation in the optical coupling efficiency of the optical pickup 1 is suppressed by adjusting the rotational angle of the 1/2 wavelength plate 5. COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：即使当激光二极管的特性变化时，为了防止再现信号的质量劣化。光拾取器1设置有：用于测量从激光二极管3发射的光束的光量P1的步骤SP2; 用于测量从激光二极管3发射并依次透过1/2波长板5，光圈10，偏振分束器8和光圈14的光束的光量P2的步骤SP4; 以及步骤SP4，用于通过调整1/2波长板5的旋转角度θ并将光量P2与光量P1的比率调整到规定值来改变偏振分束器8的透射率。因此，通过调节1/2波长板5的旋转角来抑制光学拾取器1的光耦合效率的变化。（C）2005，JPO和NCIPI

5. 发明专利

JPH11308315A PORTABLE TELEPHONE SET 失效
公开(公告)号：JPH11308315A
公开(公告)日：1999-11-05
申请号：JP11295998
申请日：1998-04-23
申请人： SONY CORP
发明人： KATO NORIYUKI
IPC分类号： H04M1/27 , H04Q7/38
摘要： PROBLEM TO BE SOLVED: To allow a portable telephone set to simply and surely utilize a voice telephone number guide or the like in the case no notes on a speech can be taken during the speech. SOLUTION: A base band processing circuit 23 of the portable telephone set 10 with a voice recognition circuit 24 mounted thereon connects to a system control circuit 31 and a speech state recording memory 35 connects to the system control circuit 31. Processing of extracting data of each digit of a telephone number is started by operating a prescribed function key 17 during a speech with a voice telephone number guide or during reproduction of a recorded voice. The data of each extracted number are stored in the memory 35 the telephone number that is voice-recognized is displayed on a liquid crystal display device 15. This telephone number is used for dialing as it is and also registered in a telephone directory memory 33.

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