公开(公告)号：US09922675B1

公开(公告)日：2018-03-20

申请号：US15647296

申请日：2017-07-12

Applicant: LITE-ON ELECTRONICS (GUANGZHOU) LIMITED ,  LITE-ON TECHNOLOGY CORPORATION

Inventor： Howard Yuen-Ho Shaw ,  Ming-Chun Tsao ,  Ming-Hung Chung ,  Shih-Ming Hsu

IPC: G11B7/08 ,  G11B7/085 ,  G11B7/09

CPC classification number: G11B7/082 ,  G11B7/08582 ,  G11B7/0935 ,  G11B33/00 ,  G11B2007/0006

Abstract: An optical disk drive with multiple optical pick-up heads is provided. The optical disk drive includes an upper cover, a base, a first carrier member, a second carrier member, a first limiting member, and a second limiting member. The base is disposed under the upper cover. The first carrier member disposed on the base and has a first optical pick-up head. The second carrier member is disposed on the upper cover and has a second optical pick-up head. The first limiting member is used for disposing the first end of the second carrier member on the upper cover. The second limiting member is used for disposing the second end of the second carrier member on the upper cover. The length of the first limiting member is larger than that of the second limiting member.

公开(公告)号：US20160358624A1

公开(公告)日：2016-12-08

申请号：US15102987

申请日：2014-11-11

Applicant: SONY CORPORATION

Inventor： Takaharu SUZUKI ,  Hiroshi IKUTA ,  Naoto IKEDA ,  Masamichi FURUICHI

IPC: G11B7/085 ,  G11B7/1374 ,  G02B7/04

CPC classification number: G11B7/08582 ,  G02B7/04 ,  G11B7/1374 ,  G11B7/1376

Abstract: [Object] To prevent the occurrence of stuck without increasing the number of components and also to restore thread engagement of a rack with a lead screw to a normal condition.[Solution] Provided is an optical pickup including: a light source; an objective lens; an optical element; and an optical element driving device. The optical element driving device includes a lead screw having a threaded engagement portion with a thread groove formed in the threaded engagement portion, a drive unit configured to allow the lead screw to rotate, a thrust bearing configured to support an end portion of the lead screw on a side opposite to the drive unit in an axial direction of the lead screw, and a rack having a plurality of first tooth portions provided spaced apart in the axial direction to be threadably engaged with the threaded engagement portion and a second tooth portion provided closer to the thrust bearing in the axial direction than the first tooth portion to be threadably engaged with the threaded engagement portion, the first tooth portion and the second tooth portion being positioned on opposite sides across the lead screw, the rack being moved in the axial direction with a rotation of the lead screw. The lead screw includes a non-threaded engagement portion formed at the end portion of the lead screw on the thrust bearing side, the non-threaded engagement portion having no thread groove.

Abstract translation: [解决方案]提供一种光学拾取器，包括：光源; 物镜; 光学元件; 和光学元件驱动装置。 光学元件驱动装置包括一个导螺杆，该导螺杆具有螺纹接合部分，该螺纹接合部分形成在螺纹接合部分中的螺纹槽;驱动单元，构造成允许导螺杆旋转;推力轴承，其构造成支撑导螺杆 在所述驱动单元的与所述导螺杆的轴向方向相反的一侧，具有多个第一齿部的齿条，所述多个第一齿部沿轴向间隔设置，以与所述螺纹接合部螺纹接合;以及第二齿部， 相对于与所述螺纹接合部螺纹接合的所述第一齿部相对于所述推力轴承，所述第一齿部和所述第二齿部位于所述导螺杆的相反侧，所述齿条沿轴向移动 带有螺杆的旋转。 导螺杆包括形成在推力轴承侧的导螺杆的端部处的非螺纹接合部分，非螺纹接合部分没有螺纹槽。

公开(公告)号：US09299383B2

公开(公告)日：2016-03-29

申请号：US13348797

申请日：2012-01-12

Applicant: Tetsuo Nishidate

Inventor： Tetsuo Nishidate

IPC: G11B7/12 ,  G11B7/135 ,  G11B7/085 ,  G11B7/08 ,  G11B7/22 ,  H04N5/225 ,  G11B7/1353

CPC classification number: G11B7/12 ,  G11B7/08 ,  G11B7/08582 ,  G11B7/135 ,  G11B7/1353 ,  G11B7/22 ,  H04N5/2251

Abstract: An optical element holder comprises a placement face on which an optical element is placed, the placement face obtained using one face of a sheet of metal; a positioning wall used for positioning the optical element placed on the placement face, the positioning wall being a stepped portion obtained by folding of the sheet of metal; and a spring section, which is a portion obtained by further folding of part of the portion folded over in order to obtain the positioning wall.

Abstract translation: 光学元件保持器包括放置光学元件的放置面，使用金属片的一面获得的放置面; 定位壁，用于定位放置在放置面上的光学元件，定位壁是通过折叠金属片而获得的台阶部分; 以及弹簧部，其是通过进一步折叠部分折叠部分而获得的部分，以获得定位壁。

公开(公告)号：US09245574B2

公开(公告)日：2016-01-26

申请号：US13329539

申请日：2011-12-19

Applicant: Hyun-woo Lee ,  Hag-Ryeol Kim ,  Min-shik Roh ,  Young-woo Back

Inventor： Hyun-woo Lee ,  Hag-Ryeol Kim ,  Min-shik Roh ,  Young-woo Back

IPC: G11B17/056 ,  G11B7/085

CPC classification number: G11B17/056 ,  G11B7/08582

Abstract: An optical disk drive including: a housing; a tray installed in the housing; an optical pickup unit mounted in the tray; and a guide shaft mounted in the tray such that the optical pickup unit and the guide shaft are configured such that the optical pickup unit is reciprocally movable along the guide shaft.

Abstract translation: 一种光盘驱动器，包括：壳体; 托盘安装在外壳中; 安装在托盘中的光学拾取单元; 以及安装在所述托盘中的引导轴，使得所述光学拾取单元和所述引导轴被构造成使得所述光学拾取单元沿着所述引导轴往复运动。

公开(公告)号：US20140115613A1

公开(公告)日：2014-04-24

申请号：US14045941

申请日：2013-10-04

Applicant: Funai Electric Co., Ltd.

Inventor： Yoshitomo Oinuma

IPC: G11B7/085

CPC classification number: G11B7/0857 ,  G11B7/08505 ,  G11B7/08582

Abstract: An optical disc device includes a pickup, a driving mechanism that drives the pickup, and a driving controlling portion that applies an initial driving voltage to the driving mechanism over a specific time interval up until the pickup arrives at an outermost position on an outer peripheral side, the initial driving voltage causing the pickup to arrive at the outermost position. After the specific time interval has elapsed, the driving controlling portion applies, to the driving mechanism, an adjustment driving voltage of a voltage amplitude less than a voltage amplitude of the initial driving voltage or a driving frequency less than a driving frequency of the initial driving voltage.

Abstract translation: 光盘装置包括：拾取器，驱动拾取器的驱动机构;以及驱动控制部分，其将特定时间间隔向驱动机构施加初始驱动电压，直到拾取器到达外周侧的最外侧位置 ，使得拾取器到达最外侧位置的初始驱动电压。 在经过了特定的时间间隔之后，驱动控制部分向驱动机构施加电压幅度小于初始驱动电压的电压振幅的调节驱动电压或小于初始驱动的驱动频率的驱动频率 电压。

公开(公告)号：US08631426B2

公开(公告)日：2014-01-14

申请号：US13547419

申请日：2012-07-12

Applicant: Heon-seung Yu ,  Young-sun Jung

Inventor： Heon-seung Yu ,  Young-sun Jung

IPC: G11B33/14

CPC classification number: G11B33/08 ,  G11B7/08582 ,  G11B17/056

Abstract: A pickup damper is provided. The pickup damper is configured to be installed adjacent to a plurality of guide shafts installed on opposite sides of an opening of a base chassis, configured to collide with a pickup and relieve shock via at least three steps in response to an external shock being applied, and configured to prevent the pickup from colliding with the guide shafts to protect the pickup.

Abstract translation: 提供拾音阻尼器。 拾音阻尼器构造成安装在安装在基座的开口的相对侧上的多个引导轴上，所述多个引导轴构造成与拾取器碰撞，并响应于施加的外部冲击而经由至少三个步骤来减轻冲击， 并且构造成防止拾取器与导向轴碰撞以保护拾取器。

公开(公告)号：US08589959B2

公开(公告)日：2013-11-19

申请号：US13441093

申请日：2012-04-06

Applicant: Hag-Ryeol Kim

Inventor： Hag-Ryeol Kim

IPC: G11B17/04

CPC classification number: G11B17/056 ,  G11B7/08582

Abstract: Provided is a disc drive including a main chassis, and a tray, which may receive a disc thereon, and is arranged to slide into and out of the main chassis. The tray includes a pickup transporting unit which linearly moves a pickup base in a radial direction of the disc and includes a step motor and a lead screw. The lead screw includes a plurality of sections with different diameters.

Abstract translation: 提供了一种盘驱动器，其包括可以在其上容纳盘的主机箱和托盘，并且布置成滑入和移出主机架。 托盘包括拾取器传送单元，其在盘的径向方向上线性地移动拾取器底座，并且包括步进电机和导螺杆。 导螺杆包括具有不同直径的多个部分。

公开(公告)号：US08576676B2

公开(公告)日：2013-11-05

申请号：US13372204

申请日：2012-02-13

Applicant: Young-bin Kim ,  Young-sun Jung

Inventor： Young-bin Kim ,  Young-sun Jung

IPC: G11B7/00

CPC classification number: H05K1/0281 ,  G11B7/08582 ,  G11B7/12 ,  H05K2201/09036

Abstract: A flexible cable is provided. The flexible cable includes a base film having a band shape, a plurality of wiring layers disposed on the base film and extending in one direction, and a plurality of elasticity-adjusting patterns attached to a portion of the base film and partially adjusting the elasticity of the flexible cable.

Abstract translation: 提供柔性电缆。 柔性电缆包括具有带状的基膜，设置在基膜上并在一个方向上延伸的多个布线层，以及附着到基膜的一部分上的多个弹性调节图案，并部分地调节 柔性电缆。

公开(公告)号：US20130251327A1

公开(公告)日：2013-09-26

申请号：US13629704

申请日：2012-09-28

Applicant: HONG LI

Inventor： HONG LI

IPC: G02B6/00

CPC classification number: G11B33/1493 ,  G11B7/08582

Abstract: A traverse module includes a frame, a guiding shaft, an optical module, a cover, and a conductive member. The guiding shaft is mounted to the frame. The optical module is slidably mounted to the guiding shaft, and the optical module is capable of generating high frequency electrical signals which cause electro magnetic interference. The high frequency electrical signals are capable of flowing to the guiding shaft. The cover is grounded, the cover covers the frame. The conductive member projects from the cover and tightly clamps the guiding shaft, and the high frequency electrical signals generated by the optical module can flow to ground by using the conductive member.

Abstract translation: 横动模块包括框架，导向轴，光学模块，盖和导电构件。 引导轴安装在框架上。 光学模块可滑动地安装在导向轴上，并且光学模块能够产生引起电磁干扰的高频电信号。 高频电信号能够流向导向轴。 盖子接地，盖子覆盖框架。 导电构件从盖突出并紧紧地夹紧引导轴，并且由光学模块产生的高频电信号可以通过使用导电构件流到地面。

公开(公告)号：US08533749B2

公开(公告)日：2013-09-10

申请号：US13657584

申请日：2012-10-22

Applicant: Sanyo Electric Co., Ltd.

Inventor： Shunichi Morimoto ,  Kenichi Imai

IPC: G11B7/09 ,  G11B7/12

CPC classification number: G11B7/0935 ,  G11B7/08582 ,  G11B7/22

Abstract: A mounting structure of a magnetic member at least includes: a magnetic member; a magnetic coupling member mounted with the magnetic member; and an adhesive member bonding the magnetic member to the magnetic coupling member, either one or both of the magnetic member and the magnetic coupling member provided with an adhesion securing portion configured to secure adhesive strength, either one or both of the magnetic member and the magnetic coupling member provided with an adhesive member reservoir portion configured to lead the adhesive member to the adhesion securing portion.

Abstract translation: 磁性构件的安装结构至少包括：磁性构件; 安装有磁性构件的磁性联接构件; 以及将磁性构件接合到磁性联接构件的粘合构件，磁性构件和磁性联接构件中的一个或两个设置有用于确保粘合强度的粘合确保部分，磁性构件和磁性构件中的一个或两个 连接构件设置有被配置为将粘合构件引导到粘合固定部分的粘合构件储存部。