公开(公告)号：EP1387354A4

公开(公告)日：2008-07-30

申请号：EP02701644

申请日：2002-02-28

Applicant: SONY CORP

Inventor： SHIMADA YUTAKA ,  NISHIKAWA TADAYASU

IPC: G11B7/09 ,  G11B7/22

CPC classification number: G11B7/0933 ,  G11B7/0932 ,  G11B7/22

Abstract: An objective lens drive device used for an optical pickup device, comprising a fixed part, a lens bobbin having an objective lens installed therein, at least one magnet installed on one of the lens bobbin and the fixed part, a coil part installed on the other of the lens bobbin and the fixed part and moving the lens bobbin in a direction parallel with the optical axis of the objective lens and in a planar direction orthogonal to the optical axis of the objective lens, and an elastic support part formed of a stainless steel installed between the fixed part and the lens bobbin and movably supporting the lens bobbin in a direction parallel with the optical axis of the objective lens and in a planar direction orthogonal to the optical axis of the objective lens.

公开(公告)号：JP2003030857A

公开(公告)日：2003-01-31

申请号：JP2001217366

申请日：2001-07-17

Applicant: Sony Corp ,  ソニー株式会社

Inventor： SHIMADA YUTAKA ,  NAGASAKA HIDEO

IPC: G11B7/24 ,  G11B7/007 ,  G11B7/08 ,  G11B7/22 ,  G11B7/26

CPC classification number: G11B7/22

Abstract: PROBLEM TO BE SOLVED: To quickly adjust an optical pickup interchangeable between a CD and a D VD by simplifying the adjustment. SOLUTION: A first signal recording layer 5 where a CD and a physical format are the same and a second signal recording layer 7 where a DVD and a physical format are the same are provided. In each of the signal recording layers 5, 7, data subjected to EMF modulated is recorded concentrically.

Abstract translation: 要解决的问题：通过简化调整来快速调整CD和D VD之间可互换的光学拾取器。 解决方案：提供CD和物理格式相同的第一信号记录层5和DVD和物理格式相同的第二信号记录层7。 在每个信号记录层5,7中，经受EMF调制的数据同时记录。

公开(公告)号：JP2001126300A

公开(公告)日：2001-05-11

申请号：JP30830599

申请日：1999-10-29

Applicant: SONY CORP

Inventor： SHIMADA YUTAKA

IPC: G11B7/135

Abstract: PROBLEM TO BE SOLVED: To surely and rapidly cancel stray light. SOLUTION: This optical disk device is provided with a control circuit which emits a laser beam and forms a first detection signal from the output of a photodetector based on the return light detected by a photodetector during shielding of an objective lens by a shielding part 8 for shielding the objective lens 6a and cancels the first detection signal from the second detection signal formed from the output of the photodetector based on the return light of the laser light cast to the photodisk during non-shielding of the objective lens.

公开(公告)号：JP2007129574A

公开(公告)日：2007-05-24

申请号：JP2005321243

申请日：2005-11-04

Applicant: Sony Corp ,  ソニー株式会社

Inventor： SHIMADA YUTAKA ,  OSADA YASUO ,  SATO YUTAKA

IPC: H04R7/04 ,  H04R1/00 ,  H04R9/00 ,  H04R9/02

Abstract: PROBLEM TO BE SOLVED: To provide a speaker apparatus for simplifying a configuration of displaceably supporting a vibration part by setting a displacement direction of the vibration part with high accuracy.
SOLUTION: The speaker apparatus includes: magnets 6a, 6b forming a prescribed magnetic gap and generating magnetic flux; a voice coil 8 at least part of which is inserted in the magnetic gap of the magnets 6a, 6b; the vibration part 11 connected to one of the magnets 6a, 6b and the voice coil 8; a fixed part 12 connected to the other of the magnets 6a, 6b and the voice coil 8; and a plurality of supports 13 for supporting the vibration part 11 to the fixed part 12 displaceably in a prescribed direction. The vibration part 11, the fixed part 12, and the plurality of supports 13 are formed plate-like within the same plane.
COPYRIGHT: (C)2007,JPO&INPIT

Abstract translation: 要解决的问题：提供一种用于通过以高精度设定振动部的位移方向来简化可移动地支撑振动部的构造的扬声器装置。 扬声器装置包括：形成规定磁隙并产生磁通的磁体6a，6b; 音圈8，其至少一部分插入到磁体6a，6b的磁隙中; 连接到磁体6a，6b和音圈8之一的振动部分11; 连接到另一个磁体6a，6b和音圈8的固定部分12; 以及多个支撑件13，用于将振动部分11以规定方向可移动地支撑在固定部分12上。 振动部11，固定部12和多个支撑体13在同一平面内形成为板状。 版权所有（C）2007，JPO＆INPIT

公开(公告)号：JP2005004804A

公开(公告)日：2005-01-06

申请号：JP2003163793

申请日：2003-06-09

Applicant: Sony Corp ,  ソニー株式会社

Inventor： INATANI AKIHISA ,  OSADA YASUO ,  TAKAHASHI TOSHIMASA ,  SUDA YASUHIRO ,  WATANABE HIROSHI ,  SHIMADA YUTAKA ,  KOSEKI SHUJI ,  SUDO YUJI

IPC: G11B17/028 ,  G11B17/04

CPC classification number: G11B17/05 ,  G11B17/028

Abstract: PROBLEM TO BE SOLVED: To enable centering regardless of the size of a disk-like recording medium, and to facilitate the handling of the disk-like recording medium. SOLUTION: A disk centering apparatus comprises a disk placement section 3 that has a disk placement surface 4, where the disk-like recording medium 1000 is placed, and provided with a specified reference point 4a on the disk placement surface; and a plurality of disk centering sections 10 that press the outer periphery end of the disk-like recording medium while at least three of them are provided in the radial direction with the reference point of the disk placement surface as a center. Each disk centering section can be moved between a centering position for centering the disk-like recording medium in contact with the outer periphery end of the disk-like recording medium placed on each disk placement surface, and a standby position outside the centering position with a reference point as a reference. The centering position is at the same distance from the reference point in the radial direction with the reference point as a center. COPYRIGHT: (C)2005,JPO&NCIPI

Abstract translation: 要解决的问题：无论盘状记录介质的尺寸如何，都能实现定心，并且便于处理盘状记录介质。 解决方案：盘定心装置包括具有盘放置表面4的盘放置部分3，其中盘状记录介质1000被放置，并且在盘放置表面上设置指定的参考点4a; 以及盘状记录介质的外周端按压盘状记录介质的外周端的多个盘定心部10，其中至少三个以圆盘放置面的基准点为中心沿径向设置。 每个盘对中部分可以在用于使盘状记录介质与定位在每个盘放置表面上的盘状记录介质的外周端接触的定心位置之间移动，并且在定心位置之外的待机位置具有 参考点作为参考。 定心位置与以参考点为中心的径向方向上的参考点的距离相同。 版权所有（C）2005，JPO＆NCIPI

公开(公告)号：JP2004039025A

公开(公告)日：2004-02-05

申请号：JP2002190901

申请日：2002-06-28

Applicant: Sony Corp ,  ソニー株式会社

Inventor： SHIMADA YUTAKA ,  NAGASAKA HIDEO

IPC: G11B7/007 ,  G11B7/08

Abstract: PROBLEM TO BE SOLVED: To simplify the adjustment of a pair of optical pickups which are used to reproduce a double-sided reproduction DVD and to quickly conduct the adjustment.
SOLUTION: An optical disk is provided with a first signal recording layer 5 of a first disk substrate 2 side onto which the light beam from one of the optical pickups is made incident and a second signal recording layer 7 of a second disk substrate 4 side onto which the light beam from the other optical pickup is made incident. Recording tracks are provided on the layers 5 and 7 in a spiral and a reverse spiral, respectively. The recording direction of the data of the layer 5 is started from either one of the inner periphery or the outer periphery whereas the recording direction of the layer 7 is reversed with respect to the recording direction of the layer 5.
COPYRIGHT: (C)2004,JPO

Abstract translation: 要解决的问题：为了简化用于再现双面再现DVD并且快速进行调整的一对光学拾取器的调整。 解决方案：光盘设置有第一盘基板2侧的第一信号记录层5，来自其中一个光拾取器的光束入射到第一信号记录层5，第二信号记录层7的第二盘基板 4侧，来自另一光拾取器的光束入射到该侧。 记录轨道分别以螺旋和反向螺旋形式设置在层5和7上。 层5的数据的记录方向从内周或外周中的任一个开始，而层7的记录方向相对于层5的记录方向反转。（COPYRIGHT：（ C）2004，JPO

公开(公告)号：JP2003030882A

公开(公告)日：2003-01-31

申请号：JP2001211281

申请日：2001-07-11

Applicant: Sony Corp ,  ソニー株式会社

Inventor： OSADA YASUO ,  SHIMADA YUTAKA

IPC: G11B7/085 ,  G11B7/12

Abstract: PROBLEM TO BE SOLVED: To prevent an objective lens from being flawed when closing the objective lens with a shutter in order to prevent foreign matters like dust from being stuck to the objective lens.
SOLUTION: An optical pickup device is provided with an optical pickup 11 provided with an objective lens 14 which condenses light beams emitted from a light source to the signal recording face of an optical disk D, a shutter 47 which opens and closes the objective lens 14 to and from the outside, and a microcomputer 61 which controls a driving part which supports the objective lens 14 movably in the focusing direction and the tracking direction, and the microcomputer 61 moves the objective lens 14 in a prescribed position farther away from the optical disk D before the objective lens 14 is closed with the shutter 47, and thus the objective lens 14 is prevented from being flawed due to contact with the shutter 47.
COPYRIGHT: (C)2003,JPO

Abstract translation: 要解决的问题：为了防止在用快门关闭物镜时物镜有缺陷，以防止异物如灰尘粘在物镜上。 解决方案：光学拾取装置设置有光学拾取器11，该光学拾取器11设置有将从光源发射的光束会聚到光盘D的信号记录面的物镜14，打开和关闭物镜14的快门47 以及微型计算机61，其控制在聚焦方向和跟踪方向上可移动地支撑物镜14的驱动部，微型计算机61使物镜14在远离光盘的规定位置移动 D在物镜14被快门47关闭之前，因此物镜14被防止由于与快门47的接触而有缺陷。

公开(公告)号：JP2000251360A

公开(公告)日：2000-09-14

申请号：JP5186099

申请日：1999-02-26

Applicant: SONY CORP

Inventor： KAJIYAMA YOSHIHIRO ,  KUMAKURA JIYUNZOU ,  OSADA YASUO ,  KUROIWA TOSHIYUKI ,  NAGASAKA HIDEO ,  KONDO KANESHIRO ,  SHIMADA YUTAKA ,  MATSUMOTO KATSUO ,  ISHIZEKI HIROSHI ,  HIROZAWA SHUICHI ,  SUGIHARA YOSHIO

IPC: G11B17/028

Abstract: PROBLEM TO BE SOLVED: To make large the permissible range of a disk wherein centering is enabled and to center the disk accurately for a long period with durability. SOLUTION: This table has a tapered centering part 37 engaging the center hole 1a of the disk 1 mounted on a disk mount part 34 and this centering part 37 is provided with elastic displacement parts 39 which can elastically be displaced along the inner and outer peripheries of the centering part. On the inner peripheral side of those elastic displacement part 39, a ring-shaped elastic body 40 is provided which energizes the free-end sides of the elastic displacement parts 39 toward the outer periphery of the centering part 37 to prevent the elastic displacement part 39 from being overdisplaced. An elastic body 40 is supported by a support member 45 where the elastic displacement parts 39 are energized to maintain a secure elastic displacement state.

公开(公告)号：JP2000195094A

公开(公告)日：2000-07-14

申请号：JP37437498

申请日：1998-12-28

Applicant: SONY CORP

Inventor： KAJIYAMA YOSHIHIRO ,  KUMAKURA JIYUNZOU ,  OSADA YASUO ,  KUROIWA TOSHIYUKI ,  NAGASAKA HIDEO ,  KONDO KANESHIRO ,  SHIMADA YUTAKA ,  MATSUMOTO KATSUO ,  ISHIZEKI HIROSHI ,  HIROZAWA SHUICHI ,  SUGIHARA YOSHIO

IPC: G11B7/08 ,  G11B7/135

Abstract: PROBLEM TO BE SOLVED: To easily assemble a light pick-up device and easily adjust the direction of light beam being applied to an optical disk. SOLUTION: A device is provided with a base 1 where an opening part 11 in that a lens barrel 6 with an optical device 8 including a light source is inserted is formed and an objective lens drive mechanism 16 that has an objective lens 15 for applying a light beam being emitted from the light source being arranged at the lens barrel 6 while converging it to an optical disk and is mounted to the base 1 by supporting the objective lens 15 so that it can be driven and displaced in two-axis directions that orthogonally cross each other. In this case, the lens barrel 6 that is inserted into the opening part 11 of the base 1 is supported by the base 1 so that it can be rotated with the light axis of the lens barrel 6 as a center and at the same time is pressed and supported in a direction being in parallel with the light axis of the lens barrel 6 by press support parts 27 and 28 being provided at the objective lens drive mechanism 16.

公开(公告)号：JP2003030860A

公开(公告)日：2003-01-31

申请号：JP2001217368

申请日：2001-07-17

Applicant: Sony Corp ,  ソニー株式会社

Inventor： SHIMADA YUTAKA ,  NAGASAKA HIDEO

IPC: G11B7/24 ,  G11B7/08 ,  G11B7/085 ,  G11B7/095 ,  G11B7/22

Abstract: PROBLEM TO BE SOLVED: To simplify and to expedite the adjustment of an optical pickup to perform recording/reproduction of different types of optical disks. SOLUTION: In an adjusting optical disk 1, a first signal recording layer 5 having the same physical format as CD and a second signal recording layer 7 having the same physical format as DVD are provided, EFM modified data is concentrically recorded on each layer 5, 7, and the recording regions 8, 9 of each layer are arranged so as to be superimposed. By using this optical disk 1, the adjustment of the optical pickup 11 in reproducing CD and DVD can be carried out continuously without changing the adjusting optical disks.

Abstract translation: 要解决的问题：为了简化和加快光学拾取器的调整以执行不同类型的光盘的记录/再现。 解决方案：在调整光盘1中，提供具有与CD相同的物理格式的第一信号记录层5和具有与DVD相同的物理格式的第二信号记录层7，EFM修改的数据被同心地记录在每个层5上， 每个层的记录区域8,9被布置为重叠。 通过使用该光盘1，可以在不改变调整光盘的情况下连续地执行再现CD和DVD中的光学拾取器11的调整。