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公开(公告)号:US20250013137A1
公开(公告)日:2025-01-09
申请号:US18894739
申请日:2024-09-24
Inventor: Hideo ONISHI
IPC: G03B21/14
Abstract: An optical path changing device includes: an optical member, a first support member that supports the optical member; a second support member that supports the first support member swingably about a first swing center line; a base member that supports the second support member swingably about a second swing center line; a first actuator that is disposed on one side with respect to the first swing center line and swings the first support member; and a second actuator that is disposed on one side with respect to the second swing center line and swings the second support member. The first swing center line is shifted toward the first actuator with respect to a shape center of the optical member at between the shape center of the optical member and the first actuator, or the second swing center line is shifted toward the second actuator with respect to the shape center of the optical member at between the shape center of the optical member and the second actuator.
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公开(公告)号:US20210103077A1
公开(公告)日:2021-04-08
申请号:US17125119
申请日:2020-12-17
Inventor: Hideo ONISHI
Abstract: An optical unit includes first to third prisms. The first prism has a first coated surface configured to reflect illumination light in a first wavelength band, a first surface, and a first light transmitting surface. The second prism has a second coated surface configured to reflect the illumination light in a second wavelength band, a second surface, and a second light transmitting surface. The third prism has a third light transmitting surface, and a fourth light transmitting surface. The first prism is formed with normal lines of the first coated surface, the first surface, and the first light transmitting surface being out of coplanar with each other, and/or the second prism is formed with normal lines of the second coated surface, the second surface, and the second light transmitting surface being out of coplanar with each other.
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公开(公告)号:US20250013134A1
公开(公告)日:2025-01-09
申请号:US18897236
申请日:2024-09-26
Inventor: Hideo ONISHI
Abstract: An optical path changing device includes: an optical member; a first support member that supports the optical member; a second support member that supports the first support member swingably about a first swing center line; a base member that supports the second support member swingably about a second swing center line; a first actuator that is disposed on one side with respect to the first swing center line and swings the first support member; a second actuator that is disposed on one side with respect to the second swing center line and swings the second support member; a first elastic member that couples the first support member and the first actuator; and a second elastic member that couples the second support member and the second actuator.
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公开(公告)号:US20200319433A1
公开(公告)日:2020-10-08
申请号:US16905207
申请日:2020-06-18
Inventor: Takuya IMAOKA , Hideo ONISHI , Kenji IKEO , Katsu YAMADA
Abstract: A projection lens system projects an image of a reduction side into a magnification side in an image projection device, a back glass being disposed on the reduction side. In the projection lens system, all of one or more negative lenses that satisfy, in a surface on the reduction side or a surface on the magnification side, condition |h/H|
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公开(公告)号:US20180020199A1
公开(公告)日:2018-01-18
申请号:US15407250
申请日:2017-01-16
Inventor: Masahiko YAMAMOTO , Hideo ONISHI , Kou WATANABE
CPC classification number: G06F3/1431 , G02B26/0833 , G03B21/28 , G08G5/0021 , H04N9/3147 , H04N9/3155 , H04N9/317 , H04N9/3179 , H04N9/3182 , H04N9/3185 , H04N9/3191 , H04N21/41422
Abstract: An image processing device performs image processing on image data for projection into a projection area. The image processing device comprises a memory and an image processor. The memory at least temporarily stores image data. The image processor specifies a certain area that is part of the projection area and extends from one end of the projection area, and corrects the image data so as to satisfy a certain condition on the basis of the specification of the certain area. The certain condition is that the correction amount A for the brightness of the image data portion to be projected into the certain area and the correction amount B for the brightness of the other image data portion in the projection area satisfy the relation A
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公开(公告)号:US20150277080A1
公开(公告)日:2015-10-01
申请号:US14735163
申请日:2015-06-10
Inventor: Kenji IKEO , Masahiro INATA , Hideo ONISHI , Takayuki HAYASHI
IPC: G02B7/04
Abstract: Embodiments of a lens barrel may comprise an imaging optical system with a plurality of lenses, a cylindrical focusing manipulation component, a stationary frame, and a restrictor. The focusing manipulation component changes the focal position of the imaging optical system by turning operation around the optical axis of the imaging optical system and to set the distance up to a second imaging region that is at least partially different from a first imaging region, and to move at least some of the lenses of the imaging optical system to switch between first and second imaging states. The restrictor restricts the rotatable range of the focusing manipulation component. When the focusing manipulation component is turned, its rotatable range is switched from a first rotatable range to a second rotatable range.
Abstract translation: 镜筒的实施例可以包括具有多个透镜的成像光学系统,圆柱形聚焦操作部件,固定框架和限制器。 聚焦操作部件通过围绕成像光学系统的光轴转动操作来改变成像光学系统的焦点位置,并将距离设置为至少部分地不同于第一成像区域的第二成像区域,并且将距离设置为 移动成像光学系统的至少一些透镜以在第一和第二成像状态之间切换。 限制器限制聚焦操作部件的可旋转范围。 当聚焦操作部件转动时,其可旋转范围从第一可旋转范围切换到第二可旋转范围。
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公开(公告)号:US20150268444A1
公开(公告)日:2015-09-24
申请号:US14733973
申请日:2015-06-09
Inventor: Kenji IKEO , Masahiro INATA , Hideo ONISHI , Takayuki HAYASHI
Abstract: An imaging device comprises an imaging optical system with a plurality of lenses, a focusing manipulation component, an imaging state switching manipulation component, and first, second, third, and fourth restrictors. The focusing manipulation component can be turned to change the focal position formed by the imaging optical system. The imaging state switching manipulation component can be turned to move lenses and switch between the first imaging state and the second imaging state. When the imaging state switching manipulation component is turned, the range over which the focusing manipulation component can be turned is switched from a first range that is restricted by first and second restrictors, to a second range that is restricted by third and fourth restrictors and that is at least partly shifted from the first range.
Abstract translation: 成像装置包括具有多个透镜的成像光学系统,聚焦操作部件,成像状态切换操作部件以及第一,第二,第三和第四限制器。 可以转动聚焦操作部件来改变由成像光学系统形成的焦点位置。 成像状态切换操作部件可以被转动以移动透镜并在第一成像状态和第二成像状态之间切换。 当成像状态切换操作部件转动时,聚焦操作部件可以转动的范围从受第一和第二限制器限制的第一范围切换到受第三和第四限制器限制的第二范围, 至少部分地从第一范围偏移。
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