公开(公告)号：US20160341950A1

公开(公告)日：2016-11-24

申请号：US15228601

申请日：2016-08-04

Applicant: OLYMPUS CORPORATION

Inventor： Shinya KONO ,  Takehiko IGUCHI

IPC: G02B23/24 ,  H04N5/225 ,  G02B7/10 ,  A61B1/00

CPC classification number: G02B23/2438 ,  A61B1/00096 ,  A61B1/00188 ,  G02B7/04 ,  G02B7/08 ,  G02B7/102 ,  G02B23/26 ,  H02K41/0356 ,  H04N5/2256 ,  H04N2005/2255

Abstract: The optical unit is including a tubular fixed part, a front frame part, a back frame part, a movable part, and a voice coil motor that is capable of moving the movable part relatively with respect to the fixed part in a direction of the axis by a coil located in the fixed part and a magnet located in the movable part and magnetically polarized in a direction orthogonal to the axis, wherein at least a part of the movable part is included in a portion of the front frame part projected in the axis direction.

Abstract translation: 光学单元包括管状固定部分，前框架部分，后框架部分，可移动部分和音圈电动机，其能够相对于固定部分在轴线方向上相对移动可动部分 通过位于所述固定部分中的线圈和位于所述可动部分中的磁体，并且在与所述轴线正交的方向上磁极化，其中所述可动部分的至少一部分包括在所述前框架部分中突出于所述轴线的部分中 方向。

公开(公告)号：US20160282601A1

公开(公告)日：2016-09-29

申请号：US15181576

申请日：2016-06-14

Applicant: OLYMPUS CORPORATION

Inventor： Shinya KONO ,  Takehiko IGUCHI

IPC: G02B23/24 ,  A61B1/00 ,  G02B7/08 ,  A61B1/05

CPC classification number: G02B23/243 ,  A61B1/00096 ,  A61B1/00188 ,  A61B1/05 ,  G02B7/08 ,  G02B7/102 ,  G02B23/2438 ,  G02B23/2484 ,  H04N2005/2255

Abstract: The drive unit includes a tubular fixed part, a tubular movable part, and a voice coil motor. The tubular fixed part is with a given axis as center, a tubular movable part 3 is located inside of the fixed part and having the axis as center, and a voice coil motor is capable of moving the movable part relatively with respect to the fixed part in the axial direction by a coil located in the fixed part and a magnet located in the movable part. In a state where the magnet is placed in the movable part, a first distance from the axis to the diametrically outer surface of the magnet is longer than a second distance from the axis to the inner circumference surface of the fixed part.

Abstract translation: 驱动单元包括管状固定部分，管状可移动部分和音圈马达。 管状固定部以给定轴为中心，管状可动部3位于固定部的内侧，轴为中心，音圈马达能够相对于固定部移动可动部 在轴向上由位于固定部分中的线圈和位于可动部分中的磁体。 在磁体被放置在可动部分的状态下，从磁体的轴线到径向外表面的第一距离比从固定部分的轴线到内圆周表面的第二距离长。

公开(公告)号：US20170258303A1

公开(公告)日：2017-09-14

申请号：US15606444

申请日：2017-05-26

Applicant: OLYMPUS CORPORATION

Inventor： Takehiko IGUCHI

IPC: A61B1/00 ,  H02K41/035 ,  G02B7/09 ,  A61B1/04 ,  A61B1/005

CPC classification number: A61B1/00188 ,  A61B1/00114 ,  A61B1/00117 ,  A61B1/0057 ,  A61B1/04 ,  G02B7/08 ,  G02B7/09 ,  G02B23/243 ,  G02B23/26 ,  H02K41/0356 ,  H04N5/2254 ,  H04N2005/2255

Abstract: An optical unit 1 includes a voice coil motor 10 which can relatively move a movable part 3 with respect to a fixed part 2 in the axis C direction by using a coil 11 arranged on the fixed part 2 and a magnet 12 arranged on the movable part 3, wherein the movable part 3 includes a movable-side sliding surface which can slide over an inner periphery of the fixed part 2, and a distance L1 from a position closest to an object side to a position closest to an image side of the movable-side sliding surface in the axis C direction of the movable part 3 is greater than a distance from an emission surface of the object-side fixed lens group Gf held by the fixed part 2 to an incident surface of the image-side fixed lens group Gb held by the fixed part 2.

公开(公告)号：US20210048603A1

公开(公告)日：2021-02-18

申请号：US17084918

申请日：2020-10-30

Applicant: OLYMPUS CORPORATION

Inventor： Jun SHINZATO ,  Masaru INAMURA ,  Takehiko IGUCHI

IPC: G02B7/04 ,  G02B7/02 ,  G02B23/24

Abstract: An optical unit includes a first barrel, a second barrel, a third barrel, and a position detection unit. Eight magnets including first and second magnets are fixed to the first barrel. A first and second coils are fixed to the second barrel. The position detection unit includes a magnetic sensor configured to detect magnetic fields generated by the first and second magnets and to generate a detection signal having a corresponding relation with a position of the first barrel. The third barrel includes a position defining surface parallel to a moving direction of the first barrel. The position detection unit is fixed to the position defining surface.

公开(公告)号：US20160334599A1

公开(公告)日：2016-11-17

申请号：US15219411

申请日：2016-07-26

Applicant: OLYMPUS CORPORATION

Inventor： Shinya KONO ,  Takehiko IGUCHI

IPC: G02B7/10 ,  G02B23/24 ,  H04N5/225

CPC classification number: G02B7/102 ,  A61B1/00096 ,  A61B1/00158 ,  A61B1/00188 ,  G02B7/08 ,  G02B23/2423 ,  G02B23/2438 ,  G03B3/10 ,  G03B5/00 ,  G03B2205/0046 ,  G03B2205/0069 ,  H02K33/16 ,  H04N5/2257 ,  H04N2005/2255

Abstract: A driving unit includes a tubular fixed part with a given axis as center, a movable part located inside the fixed part and having the axis as center, a front frame part attached to the fixed part and including at least a magnetic material, and a voice coil motor capable of moving the movable part relatively with respect to the fixed part in the axial direction by a coil wound around an outer circumference of the fixed part and a magnet located in the movable part, wherein the magnet of the movable part is biased by the magnetic material, and an axial width of the coil is longer than an axial width of the magnet.

公开(公告)号：US20210103136A1

公开(公告)日：2021-04-08

申请号：US17125153

申请日：2020-12-17

Applicant: OLYMPUS CORPORATION

Inventor： Takehiko IGUCHI

IPC: G02B23/24

Abstract: An optical unit includes a movable section that holds a movable lens group and includes a rotation restricting section, a fixed section that holds a fixed lens group and has specific permeability larger than 1.0, n thinned-down sections being provided in the fixed section, and a voice coil motor including an n magnet sections disposed at every (360/n)° around a center axis of the movable section and a coil section disposed in the fixed section. The n magnet sections are respectively housed in n thinned-down sections in a noncontact manner. The n thinned-down sections are formed in asymmetrical positions different from every (360/n)° around the center axis.

公开(公告)号：US20180049621A1

公开(公告)日：2018-02-22

申请号：US15730926

申请日：2017-10-12

Applicant: OLYMPUS CORPORATION

Inventor： Takehiko IGUCHI ,  Takeshi SAITO ,  Sho NAKAMURA

IPC: A61B1/00 ,  G02B23/24

CPC classification number: A61B1/0019 ,  A61B1/00009 ,  A61B1/00096 ,  G02B23/243 ,  H04N2005/2255

Abstract: An optical unit includes: a fixed portion configured to hold at least one of an object side fixed lens group and an image side fixed lens group; a movable portion configured to hold a movable lens group between the object side fixed lens group and the image side fixed lens group; and a voice coil motor configured to relatively move the movable portion with respect to the fixed portion in a direction of a central axis, the voice coil motor including a coil arranged on the fixed portion, and magnets magnetically polarized in directions orthogonal to the central axis and substantially symmetrical with respect to the central axis. At least two magnets adjacent to each other in a circumferential direction in a cross section orthogonal to the central axis are arranged so as to be shifted in opposite directions in a circumferential direction.

公开(公告)号：US20180031800A1

公开(公告)日：2018-02-01

申请号：US15730827

申请日：2017-10-12

Applicant: OLYMPUS CORPORATION

Inventor： Takehiko IGUCHI ,  Takeshi SAITO ,  Sho NAKAMURA

IPC: G02B7/04 ,  A61B1/05 ,  G02B23/24 ,  A61B1/00

Abstract: An optical unit includes: a cylindrical fixing member configured to retain at least one of an object-side fixed lens group and an image-side fixed lens group; a cylindrical movable member configured to retain a movable lens group between the groups and arranged on a radial-direction inner side of the fixing member slidablly with respect to the fixing member, the cylindrical movable member having a same central axis as the cylindrical fixing member; a voice coil motor including: a coil arranged in the fixing member; and magnets arranged on the movable member and magnetically polarized in a direction intersecting with the central axis, the voice coil motor being capable of moving the movable member relative to the fixing member along a direction of the central axis; and a rotation restricting member configured to restrict rotation of the movable member about the central axis with respect to the fixing member.

公开(公告)号：US20170065157A1

公开(公告)日：2017-03-09

申请号：US15357238

申请日：2016-11-21

Applicant: OLYMPUS CORPORATION

Inventor： Seiji IWASAKI ,  Takehiko IGUCHI

IPC: A61B1/00 ,  G02B7/04 ,  G01D5/12 ,  G03B13/34 ,  H04N5/225 ,  A61B1/04 ,  G02B23/24

CPC classification number: A61B1/00188 ,  A61B1/00 ,  A61B1/00158 ,  A61B1/04 ,  A61B1/05 ,  G01D5/12 ,  G02B7/04 ,  G02B23/243 ,  G02B23/2438 ,  G02B23/2446 ,  G03B13/34 ,  H04N5/2254 ,  H04N2005/2255

Abstract: An image pickup apparatus includes: a lens frame internally holding a movable lens, and including a magnet provided on an outer circumferential surface; a holding frame; and a magnetic member, in which the magnet includes a plurality of magnet pairs provided at uniform angles in a circumferential direction of the lens frame, each of the magnet pairs including magnets that are respectively disposed on distal end side and proximal end side along the optical axis direction of the movable lens, the magnet disposed on the distal end side has a polarity opposite in the radial direction to a polarity of the magnet disposed on the proximal end side, and the magnetic member is provided to face the magnets that configure one of the plurality of magnet pairs.

Abstract translation: 一种图像拾取装置，包括：内部保持可移动透镜的透镜框，并且包括设置在外周面上的磁体; 一个抱框 以及磁性构件，其中，所述磁体包括在所述透镜框的圆周方向上以均匀的角度设置的多个磁体对，每个所述磁体对包括分别设置在所述光学器件的前端侧和近端侧的磁体 设置在前端侧的磁体的径向与设置在基端侧的磁体的极性相反极性，并且磁性构件被设置为面对构成其中之一的磁体 多个磁体对。

公开(公告)号：US20160041381A1

公开(公告)日：2016-02-11

申请号：US14921215

申请日：2015-10-23

Applicant: OLYMPUS CORPORATION

Inventor： Satoshi MAKIYAMA ,  Takehiko IGUCHI ,  Shinya KONO

IPC: G02B23/24 ,  G02B7/10

CPC classification number: G02B23/2438 ,  A61B1/00096 ,  A61B1/0011 ,  A61B1/00188 ,  G02B7/10 ,  G02B23/2423 ,  G02B23/2476

Abstract: An image pickup unit includes: a moving lens holding barrel that holds a moving lens constituting a part of an objective optical system and is disposed so as to freely advance and retract along a shooting optical axis O; a drive unit that generates a driving force for advancing and retracting the moving lens holding barrel along the shooting optical axis O in a fixed barrel; a flexible substrate disposed so as to urge the moving lens holding barrel in one direction orthogonal to the shooting optical axis O and bent so as to press a part of an outer surface of the moving lens holding barrel in the one direction to an inner surface of the fixed barrel; and a magnetism detecting portion detecting a relative position of the moving lens holding barrel from the fixed barrel according to magnetism of a position detecting magnet.

Abstract translation: 摄像单元包括：移动透镜保持筒，其保持构成物镜光学系统的一部分的移动透镜，并设置成沿着拍摄光轴O自由地前进和后退; 驱动单元，其产生用于沿着固定筒中的拍摄光轴O前进和缩回移动透镜保持筒的驱动力; 柔性基板，其设置成在垂直于拍摄光轴O的一个方向上推动移动透镜保持筒，并弯曲，以将移动透镜保持筒的外表面的一个方向沿一个方向按压到 固定桶; 以及磁检测部，其根据位置检测磁铁的磁性，检测所述移动透镜保持筒从所述固定筒的相对位置。