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公开(公告)号：US11592731B2
公开(公告)日：2023-02-28
申请号：US17244716
申请日：2021-04-29
Applicant: FUJIFILM Corporation
Inventor： Tetsuo Kamigaki , Hitoshi Shimizu , Yasuto Kuroda , Hironobu Kayano
Abstract: A projection lens has a first rotary tube, a first fixed tube at which the first rotary tube is rotatably mounted, a first protrusion portion that is provided at the first rotary tube and that protrudes from the first rotary tube, and a first abutment surface that is provided at the first fixed tube and that abuts upon the first protrusion portion. The projection lens includes a first engaging portion at which the first protrusion portion and the first abutment surface include first engaging portions that face each other in a direction of a first incidence-side optical axis and a first pressing portion that presses the first protrusion portion against the first abutment surface.
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公开(公告)号：US11539930B2
公开(公告)日：2022-12-27
申请号：US17244429
申请日：2021-04-29
Applicant: FUJIFILM Corporation
Inventor： Hitoshi Shimizu , Takeharu Omata
Abstract: An object of the present invention is to provide a projection apparatus capable of appropriately performing control relating to a rotation state and/or a movement state of a projection lens. A projection apparatus according to an aspect of the present invention includes a housing; a light source; a control unit; and a projection lens attached to the housing, the projection lens having a holder, a detection unit that detects a rotation state of the holder, an emission optical system, and a locking mechanism unit that brings rotation of the holder into a locked state or an unlocked state. The projection lens is displaceable between a first position at which a rotation state of the holder is a housed state in which the emission optical system faces the housing and a second position at which the emission optical system does not face the housing by rotating the holder. The second position includes an upper position at which the emission optical system faces an upper side in a vertical direction. The control unit turns off the light source when a rotation state of the holder is the first position. The control unit turns on the light source when the rotation state of the holder is at the upper position. When the light source is turned on in the housed state in which the emission optical system faces the housing, the light emitted from the emission optical system hits the housing, and the temperatures of the projection lens and the housing may increase, which may cause an adverse effect. However, when the rotation state is the housed state, the control unit turns off the light source, thereby preventing the adverse effect.
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公开(公告)号：US11520224B2
公开(公告)日：2022-12-06
申请号：US17244200
申请日：2021-04-29
Applicant: FUJIFILM Corporation
Inventor： Tetsuo Kamigaki , Hitoshi Shimizu , Yasuto Kuroda , Hironobu Kayano
IPC: G03B21/30
Abstract: There is provided a projection lens that is mounted on a housing of a projection device including an electro-optical element. The projection lens comprises an optical system through which light passes, a second holding unit through which light parallel to a second optical axis passes and which is moved rotationally with respect to the housing, a third holding unit through which light parallel to a third optical axis obtained from bending of the second optical axis passes and which is moved rotationally with respect to the second holding unit, an electric drive unit that electrically controls rotational movement of the second holding unit with respect to the housing, rotational movement of the third holding unit with respect to the second holding unit, or drive of the optical system, and a cover part that covers the electric drive unit.
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4.发明授权Radiation irradiation device, radiation irradiation method and program storage medium 有权辐射照射装置，放射线照射方法和程序存储介质公开(公告)号：US09079027B2
公开(公告)日：2015-07-14
申请号：US14266220
申请日：2014-04-30
Applicant: FUJIFILM Corporation
Inventor： Toshitaka Agano , Takao Kuwabara , Hitoshi Shimizu
CPC classification number: A61N5/1077 , A61N2005/1094 , A61N2005/1095 , G21K1/02 , H01J35/00 , H01J35/12 , H01J35/16 , H05G2/00
Abstract: A radiation irradiation device is provided that includes: a metal target that emits bremsstrahlung X-rays as a radiation beam due to irradiation with an electron beam; a radiation shielding member that includes a slit-shaped radiation passage portion and that is disposed downstream of the metal target in the radiation beam emission direction and is disposed such that a portion of the radiation beam passes through the radiation passage portion and the radiation beam incident to regions other than the radiation passage portion is blocked; and an electron beam generating device that irradiates, onto the metal target, an electron beam such that a diameter at a generation point of the emitted radiation beam is smaller than a length of an entry portion of the radiation passage portion along a length direction of the entry portion.
Abstract translation: 提供了一种辐射照射装置，其包括：由于用电子束照射而发射作为辐射束的bre致辐射X射线的金属靶; 辐射屏蔽构件，其包括狭缝状辐射通道部分，并且沿辐射束发射方向设置在金属靶的下游，并且被布置成使得辐射束的一部分穿过辐射通道部分和辐射束入射 到除辐射通道部分以外的区域被阻挡; 以及电子束产生装置，其向金属靶上照射电子束，使得发射的辐射束的发生点处的直径小于沿着辐射束的长度方向的辐射通道部分的入口部分的长度 进入部分。
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公开(公告)号：US12219296B2
公开(公告)日：2025-02-04
申请号：US17244602
申请日：2021-04-29
Applicant: FUJIFILM Corporation
Inventor： Hitoshi Shimizu , Takeharu Omata , Kensuke Masui , Shoki Kasahara
Abstract: A projection apparatus capable of, when an image input from an external device and an OSD image are rotated by rotation of a projection lens, performing rotation correction suitable for the respective images is provided. A projection apparatus (1) includes a housing; a projection lens (3) that has a holder and that is rotatably attached to the housing; a first rotation position detection unit (70A) and a second rotation position detection unit (70B) that detect rotation states of the holder; a DMD (22B) that outputs, to the projection lens (3), a composite image of a projection image output from an external device and an OSD image including a character output from an internal memory; and a control unit that performs rotation correction on the OSD image and that does not perform rotation correction on the projection image based on detection results of the first rotation position detection unit (70A) and the second rotation position detection unit (70B) when the holder of the projection lens (3) rotates.
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Patent Agency Ranking
公开(公告)号：US11871160B2
公开(公告)日：2024-01-09
申请号：US17243986
申请日：2021-04-29
Applicant: FUJIFILM Corporation
Inventor： Hitoshi Shimizu , Takeharu Omata
CPC classification number: H04N9/317 , G03B21/142 , H04N9/3185
Abstract: A projection apparatus capable of appropriately performing shift control of a projection image when a posture or a projection direction of a projection lens is changed by rotating the projection lens is provided. A projection apparatus (1) includes a projection apparatus main body (2) that causes a DMD (22B) to emit a projection image; a projection lens (3) that projects the projection image emitted from the DMD (22B), the projection lens (3) including a second optical system and a third optical system, the second optical system being provided rotatably around a first rotation axis with respect to the projection apparatus main body (2), the third optical system being rotatable around a second rotation axis extending in a direction intersecting with the first rotation axis; a posture information acquisition unit that acquires posture information indicating a posture of the projection lens (3) with respect to the projection apparatus main body (2); a lens shift mechanism (80) that causes the projection lens (3) to move in a plane intersecting with an axial direction of the first rotation axis; and a control unit that controls the lens shift mechanism (80) based on the posture information acquired by the posture information acquisition unit to shift a projection image that is projected from the projection lens (3).
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公开(公告)号：US12271050B2
公开(公告)日：2025-04-08
申请号：US17240272
申请日：2021-04-26
Applicant: FUJIFILM Corporation
Inventor： Hironobu Kayano , Hitoshi Shimizu , Tetsuo Kamigaki , Yasuto Kuroda
Abstract: A projection lens, which is a projection lens to be attached to a projection apparatus body having an electro-optical device, includes: a first focus optical system; a first holding portion that has an attachment portion and on which light along a first optical axis extending in first directions is incident; and an adjustment frame that holds the first focus optical system. When one of the first directions is defined as a first A direction and the other of the first directions is defined as a first B direction, the first focus optical system is positioned further in the first A direction than the attachment portion, and light along the first optical axis travels in the first B direction. The adjustment frame is movable in the first directions relative to the first holding portion.
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公开(公告)号：US12025907B2
公开(公告)日：2024-07-02
申请号：US17244403
申请日：2021-04-29
Applicant: FUJIFILM Corporation
Inventor： Tetsuo Kamigaki , Hitoshi Shimizu , Yasuto Kuroda , Hironobu Kayano
Abstract: A projection lens includes a lens barrel that accommodates an optical system from which light incident from the housing exits, and that has a first rotary tube that rotates around an optical axis and a first fixed tube at which the first rotary tube is rotatably mounted; and a first conduction portion for performing electrical conduction, the first conduction portion having a fixed electrode that is provided at the first fixed tube and a rotary electrode that is provided at the first rotary tube and that rotates as a result of rotating the first rotary tube, the rotary electrode being disposed at a position that faces the fixed electrode and contacting the fixed electrode at least at a rotation position that has been preset.
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公开(公告)号：US20240102928A1
公开(公告)日：2024-03-28
申请号：US18530924
申请日：2023-12-06
Applicant: FUJIFILM Corporation
Inventor： Takahiro Miyato , Hitoshi Shimizu
CPC classification number: G01N21/55 , G01N1/44 , G01N2021/551
Abstract: A detection device including: a holding block that holds a transparent tubular body having a curved surface shape; an accommodating hole that is formed in the holding block and in which the tubular body is inserted and accommodated; an optical sensor that includes a light projecting unit which emits detection light for detecting whether or not the tubular body is accommodated in the accommodating hole and a light receiving unit which receives the detection light; and an optical path of the detection light that has a tunnel structure covered with a wall surface, the optical path linearly extending inside the holding block in a direction intersecting with the accommodating hole and being formed at a position away from a radial center of the accommodating hole, in which a wall surface of the accommodating hole and a wall surface of the optical path have a light reflectivity of 30% or less.
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10.发明授权公开(公告)号：US11698576B2
公开(公告)日：2023-07-11
申请号：US17206228
申请日：2021-03-19
Applicant: FUJIFILM Corporation
Inventor： Hitoshi Shimizu , Yasuyuki Miyata , Yasuto Kuroda
CPC classification number: G03B21/16 , G03B21/142 , G03B21/145
Abstract: A projection device includes a drive housing that includes a protruding portion protruding from a central portion, a projection lens that includes a first rotation mechanism, and fans that draw in or discharge gas; the central portion includes a first A side surface that is provided in a first A direction X1 corresponding to one side in a first direction X and a second A side surface that is provided in a first B direction X2 corresponding to the other side in the first direction X; the protruding portion includes a first B side surface in the first A direction X1 and includes a second B side surface, which faces the projection lens, in the first B direction; and the fans face the second A side surface and the second B side surface.
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