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1. 发明授权

US11471030B2 Variable stiffness device, variable stiffness system, endoscope, and stiffness varying method 有权
公开(公告)号：US11471030B2
公开(公告)日：2022-10-18
申请号：US16869632
申请日：2020-05-08
申请人： OLYMPUS CORPORATION
发明人： Tatsuhiko Okita
IPC分类号： A61B1/005 , A61B1/015 , A61B1/12
摘要： A variable stiffness device includes a shape-memory unit formed of at least two hollow shape-memory members connected together. Each of the shape-memory members is transitionable in phase between a first phase in which the shape-memory member is in a low stiffness state and a second phase in which the shape-memory member is in a high stiffness state. The shape-memory member in the high stiffness state has a higher level of stiffness than in the low stiffness state. Hollow portions of the shape-memory members are connected together so that the shape-memory unit has a lumen-like inner space configured to allow fluid for cooling the shape-memory members to flow. The variable stiffness device also includes a heating member configured to heat the shape-memory members.

2. 发明授权

US09164356B2 Light adjusting apparatus 有权
标题翻译：调光装置
公开(公告)号：US09164356B2
公开(公告)日：2015-10-20
申请号：US14669037
申请日：2015-03-26
申请人： OLYMPUS CORPORATION
发明人： Tatsuhiko Okita
IPC分类号： G03B9/02 , G03B11/00 , G03B13/34
CPC分类号： G03B9/02 , G03B3/10 , G03B5/00 , G03B11/00 , G03B13/34 , G03B2205/0046 , G03B2205/0069
摘要： A light adjusting apparatus including first and second substrates that include openings and are disposed parallel to each other at a predetermined distance, a rotating shaft member rotatably attached to the first and second substrates, a drive section that rotates the rotating shaft member, an incident light adjusting section that has a light adjusting function and is joined to the rotating shaft member so as to rotate integrally therewith, and a ring-shaped protruding portion for increasing a junction area of a joint portion between the rotating shaft member and the incident light adjusting section, in which the incident light adjusting section is rotated by the drive section via the rotating shaft member to be displaced to an inserted position located in the optical path of the incident light that passes through the openings or a retracted position to thereby adjust the incident light.
摘要翻译：一种调光装置，包括：第一基板和第二基板，其包括开口，并且以预定距离彼此平行地设置;旋转轴构件，其可旋转地安装在所述第一和第二基板上;驱动部，其使所述旋转轴构件旋转;入射光调节部，其具有调光功能，并且与旋转轴构件接合以一体地旋转;环形突起部，用于增加旋转轴构件和入射光调节部之间的接合部的接合面积其中入射光调节部分通过旋转轴构件被驱动部分旋转以移动到位于穿过开口的入射光的光路中的插入位置或缩回位置，从而调节入射光。

3. 发明授权

US09684224B2 Light adjusting apparatus and method for measuring distance between substrates of light adjusting apparatus 有权
公开(公告)号：US09684224B2
公开(公告)日：2017-06-20
申请号：US15291460
申请日：2016-10-12
申请人： OLYMPUS CORPORATION
发明人： Tatsuhiko Okita
IPC分类号： G03B9/02 , G01B11/14 , G03B9/04
CPC分类号： G03B9/02 , G01B11/14 , G03B9/04
摘要： A light adjusting apparatus includes a first substrate, a second substrate, a spacer configured to form a space for disposing a light adjusting section between the first substrate and the second substrate, a notch provided so that measuring light to measure a space dimension reaches the spacer and an extending peripheral portion provided so that the measuring light reaches the second substrate.

4. 发明授权

US11259690B2 Variable stiffness apparatus 有权
公开(公告)号：US11259690B2
公开(公告)日：2022-03-01
申请号：US16421566
申请日：2019-05-24
申请人： OLYMPUS CORPORATION
发明人： Tatsuhiko Okita
IPC分类号： A61B1/005 , A61B1/00 , A61M25/00
摘要： A variable stiffness apparatus to be installed in a flexible member includes a first elongated member, a second elongated member arranged along the first elongated member, and an inducing member. The first elongated member includes a high bending stiffness portion, and a low bending stiffness portion. The second elongated member includes a shape-memory member that takes a low-stiffness state when in a first phase and a high-stiffness state when in a second phase. The inducing member causes a region of the shape memory member that is arranged around the low bending stiffness portion to transition in phase between the first phase and the second phase, so as to change the stiffness of the region of the second elongated member.

5. 发明授权

US09164355B2 Light control apparatus 有权
标题翻译：灯光控制装置
公开(公告)号：US09164355B2
公开(公告)日：2015-10-20
申请号：US14539204
申请日：2014-11-12
申请人： OLYMPUS CORPORATION
发明人： Tatsuhiko Okita
IPC分类号： G03B9/02 , G02B26/02
CPC分类号： G03B9/02 , G02B26/02 , G03B2205/0069
摘要： Incident light that passes through the optical aperture is controlled by pivoting the light control unit (130) alternately to a first stationary position of being retracted from the optical aperture (102 and 122), and a second stationary position of overlapping with the optical aperture by moving the light control unit by the drive unit (132 and 150), and when the light control unit is at the first stationary position, the light control unit is capable of sticking out of the first substrate and the second substrate.
摘要翻译：穿过光学孔的入射光通过将光控制单元（130）交替地转动到从光学孔（102和122）缩回的第一静止位置和与光学孔径重叠的第二静止位置通过驱动单元（132和150）移动光控制单元，并且当光控制单元处于第一静止位置时，光控制单元能够从第一基板和第二基板伸出。

6. 发明授权

US11409097B2 Variable stiffness device, endoscope, and stiffness varying method 有权
公开(公告)号：US11409097B2
公开(公告)日：2022-08-09
申请号：US16864243
申请日：2020-05-01
申请人： OLYMPUS CORPORATION
发明人： Tatsuhiko Okita
IPC分类号： A61B1/005 , G02B23/24
摘要： A variable stiffness device includes a first elongated member, and a second elongated member movable along the first member. The first member includes first high bending stiffness sections, first low bending stiffness sections, and a reinforcement member reinforcing a strength of the first member. The reinforcement member includes a contact coil formed of a first wire spirally wound around a longitudinal axis of the reinforcement member, and a stranded tube formed of second wires that are twisted around each other. The second member includes a second high bending stiffness section, and a second low bending stiffness section. The second member is configured to move inside the reinforcement member, thereby changing a stiffness of the variable stiffness device.

7. 发明授权

US10898066B2 Light adjustment apparatus and optical equipment mounting light adjustment apparatus thereon 有权
公开(公告)号：US10898066B2
公开(公告)日：2021-01-26
申请号：US15958166
申请日：2018-04-20
申请人： OLYMPUS CORPORATION
发明人： Tatsuhiko Okita
IPC分类号： A61B1/06 , G03B9/02 , A61B1/045 , G02B23/24 , G02B26/02 , G02B23/26
摘要： The light adjustment apparatus of the present embodiment comprises a light adjustment part, a rotation axis body that supports a rotation arm that places and removes the light adjustment part in and out of a light path by swinging, and has a magnet installed therein, an electromagnetic drive source that forms a magnetic circuit including the rotation axis body on the circuit, and works an electromagnetic force on the magnet to rotate a rotational axis of the rotation axis body, and a float prevention part that magnetically restricts the rotation axis body, and prevents the rotation axis body from floating towards an axial direction of the rotational axis when the rotation axis body is rotated.

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