公开(公告)号：JPS62214528A

公开(公告)日：1987-09-21

申请号：JP5742686

申请日：1986-03-15

Applicant: SONY CORP

Inventor： AIDA YOSHIMASA

IPC: G11B7/09 ,  G11B7/08 ,  G11B7/12

Abstract: PURPOSE:To obtain an optical head device which can be fitted to plural kinds of disk players, and has reduced its manufacturing cost, by constituting the titled device so that a light beam generation detecting unit and an objective lens driving unit can be placed so as to be variable against a movable base member. CONSTITUTION:An objective lens driving unit 40 is attached to the upper face side of a movable base member 30A, and a light beam generation detecting unit 50 is attached to the lower face side. Its whole is guided by guide members 24, 25 which are placed in a disk player, and can be moved in the radial direction of a disk by rack pinion type driving. This device can be fitted to plural kinds of disk players without changing the unit 40 and 50, and by changing the movable base member 30A for attaching said units and changing the arrangement of the units 40, 50.

公开(公告)号：JPS6240627A

公开(公告)日：1987-02-21

申请号：JP18014585

申请日：1985-08-16

Applicant: SONY CORP

Inventor： OIKAMI HIROSHI ,  AIDA YOSHIMASA

IPC: G02B7/00 ,  G02B26/10 ,  G11B7/08 ,  G11B7/09 ,  G11B7/12

Abstract: PURPOSE:To easily avoid an objective lens from causing tracking jump by external shock, by making a turning center of the objective lens in the tracking direction nearly coincident with the gravity center of a moving member of the lens. CONSTITUTION:A parallel line 13 of a supporting arm 10 is connected to a base 11 via flexible part 14 and a flexible part 15c is provided to a hinge 15 to form a hinge shaft. Further, a front end of the hinge 15 and a moving body 19 supporting the objective lens 23 are stuck by a mounting groove 21 and in this case they are fitted so that the gravity center of the moving body 19 and the position of the hinge shaft are made nearly coincident with each other. Thus, the objective lens is moved in the tracking direction only when a moving force is exerted from the direction of gravity center toward the objective lens or vice versa and the jump in the tracking direction is prevented by a usual shock.

公开(公告)号：JP2009151326A

公开(公告)日：2009-07-09

申请号：JP2009030629

申请日：2009-02-13

Applicant: Sony Corp ,  ソニー株式会社

Inventor： AIZAWA HIDEKUNI ,  AIDA YOSHIMASA

IPC: G02B26/10 ,  G06K7/10

Abstract: PROBLEM TO BE SOLVED: To provide an optical scanning device capable of reducing the size and weight in the whole device, and capable of reducing electric power consumption. SOLUTION: The optical scanning device 31 is provided for acquiring information by receiving its reflected light by a light receiving part 35, by scanning the light L from a light emitting part 32 toward an irradiation object 4, and has an optical path conversion surface 34 having a rocking shaft 36, turning an optical path of the light L from the light emitting part 32 to the irradiation object 4 while rocking around the rocking shaft 36 and receiving the reflected light from the irradiation object 4, and the light receiving part 35 is arranged on the optical path conversion surface 34. Such a constitution can improve light receiving efficiency while miniaturizing the device by omitting an installation space of the light receiving part. COPYRIGHT: (C)2009,JPO&INPIT

Abstract translation: 解决的问题：提供能够减小整个装置的尺寸和重量并能够降低电力消耗的光学扫描装置。 解决方案：光学扫描装置31用于通过从光接收部分35接收其反射光来获取信息，通过从发光部分32向照射对象4扫描光L，并且具有光路转换 具有摆动轴36的表面34将光L从光发射部分32的光路转向照射物体4，同时绕摇摆轴36摆动并接收来自照射物体4的反射光，并且光接收部分 35设置在光路转换表面34上。通过省略光接收部分的安装空间，这种结构可以提高光接收效率，同时使设备小型化。 版权所有（C）2009，JPO＆INPIT

公开(公告)号：JP2005322341A

公开(公告)日：2005-11-17

申请号：JP2004140461

申请日：2004-05-10

Applicant: Sony Corp ,  ソニー株式会社

Inventor： SHIBATA KEIICHI ,  AIDA YOSHIMASA

IPC: G11B7/09

Abstract: PROBLEM TO BE SOLVED: To enable sliding smoothly a sleeve part of a lens holder to a supporting shaft of a base and to hold stably attitude of a lens holder.
SOLUTION: This apparatus is provided with a base 11 in which a supporting shaft 13 is provided in parallel to an optical axis of an objective lens 3, a lens holder 12 having a sleeve part 16 in which the supporting shaft 13 is inserted through, holding the objective lens 3 at one end side, and being able to slide in the direction of tracking and focusing, magnets 15a, 15b, and a drive part having first to fourth tracking coils 18a-18d for rotating a focusing coil 17 and the lens holder 12 in the direction of tracking for driving the lens holder 12 arranged in the magnetic field generated by this magnets 15a, 15b in the direction of focusing, and a ring 24 arranged around the sleeve part 16 so as to be parallel to the base 11 and in which a permeability expanding part 25 is provided at one part.
COPYRIGHT: (C)2006,JPO&NCIPI

Abstract translation: 要解决的问题：为了使透镜架的套筒部分平滑地滑动到基座的支撑轴并保持透镜架的稳定姿态。 解决方案：该装置设置有基部11，其中支撑轴13平行于物镜3的光轴设置，透镜保持器12具有套筒部分16，支撑轴13插入其中 通过将物镜3保持在一端侧，并且能够沿着跟踪和聚焦的方向滑动，磁体15a，15b和具有第一至第四跟踪线圈18a-18d的驱动部分，用于旋转聚焦线圈17和 镜片保持器12沿跟踪方向驱动布置在由该磁体15a，15b沿聚焦方向产生的磁场中的透镜夹持器12以及围绕套筒部16布置以平行于该磁体的环24。 基部11，并且其中一部分设置有磁导率扩张部25。 版权所有（C）2006，JPO＆NCIPI

公开(公告)号：JP2005322340A

公开(公告)日：2005-11-17

申请号：JP2004140460

申请日：2004-05-10

Applicant: Sony Corp ,  ソニー株式会社

Inventor： SHIBATA KEIICHI ,  AIDA YOSHIMASA

IPC: F16H49/00 ,  G11B7/09

Abstract: PROBLEM TO BE SOLVED: To improve a sliding property of a sleeve part provided at a holder to a supporting shaft provided at a base.
SOLUTION: This apparatus is provided with a base 11 in which a supporting shaft 13 is provided in parallel to an optical axis of an objective lens 3, a lens holder 12 having a sleeve part 16 in which the supporting shaft 13 is inserted through, holding the objective lens 3 at one end side, and being able to slide in the direction of tracking and focusing, magnets 15a, 15b, and a drive part having first to fourth tracking coils 18a-18d for rotating a focusing coil 17 and the lens holder 12 in the direction of tracking for driving the lens holder 12 arranged in the magnetic field generated by this magnets 15a, 15b in the direction of focusing. Grooves 13a are formed at an outer peripheral plane of the supporting shaft 13, sliding area is reduced and friction resistance is reduced.
COPYRIGHT: (C)2006,JPO&NCIPI

Abstract translation: 要解决的问题：提高设置在保持器处的套筒部分到设置在基部的支撑轴的滑动性。 解决方案：该装置设置有基部11，其中支撑轴13平行于物镜3的光轴设置，透镜保持器12具有套筒部分16，支撑轴13插入其中 通过将物镜3保持在一端侧，并且能够沿着跟踪和聚焦的方向滑动，磁体15a，15b和具有第一至第四跟踪线圈18a-18d的驱动部分，用于旋转聚焦线圈17和 透镜保持器12沿着跟踪方向驱动布置在由该磁体15a，15b在聚焦方向上产生的磁场中的透镜保持器12。 沟槽13a形成在支撑轴13的外周面，滑动面积减小，摩擦阻力降低。 版权所有（C）2006，JPO＆NCIPI

公开(公告)号：JP2001100140A

公开(公告)日：2001-04-13

申请号：JP27571699

申请日：1999-09-29

Applicant: SONY CORP

Inventor： AIDA YOSHIMASA

IPC: G06K7/10 ,  G02B26/08 ,  G02B26/10

Abstract: PROBLEM TO BE SOLVED: To make a scanning mechanism small-sized and lightweight and to enable the scanning mechanism to make a scan at a sufficient variable angle of irradiation even with low power consumption. SOLUTION: The beam 9 emitted by a light emitting element 1 is reflected by a spherical mirror 2 to become a reflected beam. A mirror support member 8 which fixes the spherical mirror 2 is able to move vertically and horizontally. A magnetic circuit including a coil part 67 installed on the back of the mirror support member 8 produces a magnetic force needed for the above movement. The coil part 67 has a vertical coil and a horizontal coil corresponding to the vertical and horizontal movement of the mirror support member 8. A convex or concave mirror is usable as the spherical mirror 2.

公开(公告)号：JPH08212575A

公开(公告)日：1996-08-20

申请号：JP30500495

申请日：1995-10-30

Applicant: SONY CORP

Inventor： AIDA YOSHIMASA

IPC: G11B7/08 ,  G11B7/09

Abstract: PURPOSE: To provide a magnetic yoke constituting a magnetic field forming part and a base supporting respective parts in a biaxial drive unit with a reduced manufacturing cost, to enlarge the degree of freedom of design and to improve precision. CONSTITUTION: This device is provided with a bobbin member 48 holding an objective lens 6, attaching a focus control coil 54 and a tracking control coil 55 and displacing the objective lens 6. A magnetic plate member is worked to be bent to provide a pair of bent erected pieces 28a, 28b in the mutual opposing direction along the radial direction of a disk on which a light beam is made incident through the objective lens 6. A magnet 30 is attached to one side between them, and they are placed in the position holding a focus control coil 54 and a tracking control coil 55 therebetween, and a magnetic field forming part is constituted. Further, the device is provided with a magnetic yoke member 24 attached to a base 22 position adjustably together with the bobbin member 48.

公开(公告)号：JP2508582B2

公开(公告)日：1996-06-19

申请号：JP12787593

申请日：1993-04-30

Applicant: SONY CORP

Inventor： YAMAUCHI HIROSHI ,  TAKAHASHI SHOGO ,  TAKAMYA TOORU ,  AIDA YOSHIMASA

IPC: G11B17/04 ,  G11B17/043

公开(公告)号：JPH07182672A

公开(公告)日：1995-07-21

申请号：JP6819594

申请日：1994-03-14

Applicant: SONY CORP

Inventor： OIKAMI HIROSHI ,  AIDA YOSHIMASA

IPC: G11B7/09

Abstract: PURPOSE:To reduce the number of components thereby to cut costs and to improve optical characteristics by improving the structure of a supporting arm so as to freely move an objective lens in a tracking direction. CONSTITUTION:A supporting arm 32 of the optical pickup apparatus is constructed so as to move an objective lens freely in a tracking direction. The optical pickup apparatus has a pair of leaf springs 33, 33 and a hinge 15. The pair of leaf springs 33, 33 showing flexibility in a focusing direction are arranged in parallel to each other. The hinge 15 has rear hinge element 15b connected to free ends of the pair of leaf springs 33, 33 and a thin part 15c at the opposite side to the rear hinge element 15b which has flexibility in the tracking direction. Moreover, the hinge 15 has a front hinge element 15a coupled with the rear hinge element 15b via the thin part 15c and secured to a holding body holding the objective lens. The rear hinge element 15b, thin part 15c and front hinge element 15a are integrally formed of a synthetic resin.

公开(公告)号：JPH0750025A

公开(公告)日：1995-02-21

申请号：JP6819494

申请日：1994-03-14

Applicant: SONY CORP

Inventor： OIKAMI HIROSHI ,  AIDA YOSHIMASA

IPC: G11B7/09

Abstract: PURPOSE:To make it possible to automate a molding step and to improve working efficiency by constituting the supporting member for an objective lens of first and second plate-shaped parts, first-third thin parts and an objective-lens- supporter holding part, and forming the supporting member with synthetic resin as a unitary body. CONSTITUTION:An objective-lens holding member 10 is formed of first and second plate-shaped parts 13 and 15b, first, second and third thin parts 14, 16 and 15c and an objective-lens-supporter holding part 15. The plate-shaped part 13 comprises a pair of parallel links. The rear edge and the front-end parts of both upper and lower edges of a base part 11 are linked through a flexible thin part 14. The holding part 15 is formed of two hinge pieces 15a and 15b, which face in the front and rear directions, and the flexible thin part 15c for linking the central part. The rear-end parts of both upper and lower edges of the plate-shaped part 15b and the front edge of the plate-shaped part 13 are linked with the flexible thin part 16. The member 10 is formed of synthetic resin as a unitary body. Thus, the molding step can be automated, the working efficiency is improved and the cost is reduced.