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31. 发明授权

US10175567B2 Light source device including a magnetic or capacitance detecting sensor and an image projection apparatus including the light source device 有权
公开(公告)号：US10175567B2
公开(公告)日：2019-01-08
申请号：US15263519
申请日：2016-09-13
申请人： Takehiro Nishimori , Kazuhiro Fujita , Toshiharu Murai , Tatsuya Takahashi
发明人： Takehiro Nishimori , Kazuhiro Fujita , Toshiharu Murai , Tatsuya Takahashi
IPC分类号： G03B21/20 , F21V9/30 , H04N9/31 , F21V3/00 , F21V23/00 , G02B5/02
摘要： A light source device includes a light source section that emits laser beam, a member reducing light quantity unevenness of the laser beam, a diffusion member that is provided in a traveling optical path of the laser beam between the light source section and the member reducing light quantity unevenness and diffuses the laser beam, a detection element that detects a physical characteristic of the diffusion member and outputs a state detecting signal, and an abnormal state determiner that determines an abnormal state of the diffusion member based on the state detecting signal.

32. 发明授权

US10073333B2 Light irradiation device, and image display equipped with the same, for emitting light of two or more components by laser light 有权
公开(公告)号：US10073333B2
公开(公告)日：2018-09-11
申请号：US15233037
申请日：2016-08-10
申请人： Takehiro Nishimori , Kazuhiro Fujita , Toshiharu Murai , Tatsuya Takahashi , Junichi Kitabayashi , Kaoru Itoh , Makoto Hirakawa
发明人： Takehiro Nishimori , Kazuhiro Fujita , Toshiharu Murai , Tatsuya Takahashi , Junichi Kitabayashi , Kaoru Itoh , Makoto Hirakawa
IPC分类号： G03B21/20 , G03B21/14 , G03B33/08 , H04N9/31 , G02B26/00 , G02B27/14
CPC分类号： G03B21/204 , G02B26/008 , G02B27/141 , G03B21/14 , G03B21/2033 , G03B21/206 , G03B21/208 , G03B21/2086 , G03B33/08 , H04N9/3114 , H04N9/3161
摘要： A light irradiation device for emitting light of two or more components by laser light, which a laser light source emits, to an outside, includes a diffusion optical path change member configured to convert a first color component of the laser light into diffusion light and change an optical path of the first color component; a phosphor configured to generate fluorescence of a second color component different from the first color component based on the laser light, and change an optical path of the second color component; and an optical path switch member configured to switch between a first optical path for emitting the first color component to the outside and a second optical path for emitting the second color component to the outside. Light going straight at a light diffusion position of the diffusion optical path change member is not emitted to the outside.

33. 发明授权

US09625692B2 Projection optical system and image projecting apparatus 有权
公开(公告)号：US09625692B2
公开(公告)日：2017-04-18
申请号：US13595026
申请日：2012-08-27
申请人： Tatsuya Takahashi , Kazuhiro Fujita , Issei Abe
发明人： Tatsuya Takahashi , Kazuhiro Fujita , Issei Abe
IPC分类号： G02B17/00 , G02B17/08
CPC分类号： G02B17/0852 , G02B17/08
摘要： Disclosed is a projection optical system including a first optical system configured to form a first image conjugate to an object and have an optical axis and a second optical system configured to project a second image conjugate to the first image onto a surface to be projected on, wherein the first image satisfies a condition of: Im×Tr≦1.70 wherein Im denotes a length of the first image in a direction of an optical axis of the first optical system, normalized by a focal length of the first optical system, and Tr denotes a throw ratio for the projection optical system.

34. 发明授权

US09348200B2 Light source unit and projector incorporating the same 有权
标题翻译：光源单元和包含其的投影仪
公开(公告)号：US09348200B2
公开(公告)日：2016-05-24
申请号：US14202482
申请日：2014-03-10
申请人： Tatsuya Takahashi , Kazuhiro Fujita , Toshiharu Murai , Takehiro Nishimori , Ikuo Maeda
发明人： Tatsuya Takahashi , Kazuhiro Fujita , Toshiharu Murai , Takehiro Nishimori , Ikuo Maeda
IPC分类号： F21K99/00 , G03B21/14 , G03B21/20 , G03B33/08
CPC分类号： G03B21/142 , G03B21/204 , G03B21/2046 , G03B21/2066 , G03B33/08
摘要： A light source unit emitting a light on an optical axis includes a first light emitter to emit a light in a certain wavelength band, a second light emitter to emit a light in a wavelength band different from that of the first light emitter, a third light emitter to emit a light in a wavelength band different from those of the first and second light emitters, a lighting path through which the lights from the first, second, and third light emitters are guided to propagate on the optical axis and into which the light from the third light emitter is joined at a hindmost position in a traveling direction on the optical axis, and an optical adjuster to exert an optical effect on the light from the third light emitter and not to exert an optical effect on the light rays from the first and second light emitters.
摘要翻译：在光轴上发光的光源单元包括发射一定波长带的光的第一发光体，发射与第一发光体的波长带不同的波长的第二发光体，第三光发射器发射与第一和第二发光体不同的波长带的光，照明路径，来自第一，第二和第三光发射器的光被引导到光轴上并在其中传播光从第三发光体在光轴的行进方向的最后位置接合光学调整器，对来自第三发光体的光施加光学效果，不会对来自第三发光体的光线施加光学效果第一和第二发光体。

35. 发明授权

US09223194B2 Illumination light beam forming device, illumination light source device and image display device 有权
标题翻译：照明光束形成装置，照明光源装置和图像显示装置
公开(公告)号：US09223194B2
公开(公告)日：2015-12-29
申请号：US13949593
申请日：2013-07-24
申请人： Kazuhiro Fujita , Ikuo Maeda , Toshiharu Murai , Tatsuya Takahashi , Takehiro Nishimori
发明人： Kazuhiro Fujita , Ikuo Maeda , Toshiharu Murai , Tatsuya Takahashi , Takehiro Nishimori
IPC分类号： G03B21/16 , F21V7/00 , G03B21/20 , G02B6/42 , F21V13/04 , F21V13/08 , F21V13/14 , F21V29/70
CPC分类号： G03B21/204 , F21V7/00 , F21V13/04 , F21V13/08 , F21V13/14 , F21V29/70 , G02B6/4269 , G03B21/16 , G03B21/2013 , G03B21/2066
摘要： An illumination light beam forming device, including a first light source unit projecting a ring shaped light beam group, a second light source unit projecting light beams including a case the light beams being group, a combining unit for combining the light beam group projected from the first light source unit and light beams projected from the second light source unit, in which the combing unit includes a reflecting part formed to reflect one of the light beam groups, a transmitting part disposed able to transmit the other one of the light beam groups, and light beams projected from the second light source unit are disposed at an internal side of the light beam groups projected from the first light source unit when the two light beam groups are viewed from a plane including the reflecting part.
摘要翻译：一种照明光束形成装置，包括投射环形光束组的第一光源单元，投射包括组合的光束的壳体的光束的第二光源单元，用于组合从所述光束组投影的光束组的组合单元第一光源单元和从第二光源单元投射的光束，其中梳理单元包括形成为反射光束组中的一个的反射部分，布置成能够透射另一个光束组的透射部分，并且当从包括反射部分的平面观察两个光束组时，从第二光源单元投影的光束被设置在从第一光源单元投影的光束组的内侧。

36. 再颁专利

USRE45728E1 Projection optical system, magnification projection optical system, magnification projection apparatus, and image projection apparatus 有权
标题翻译：投影光学系统，放大投影光学系统，放大投影装置和图像投影装置
公开(公告)号：USRE45728E1
公开(公告)日：2015-10-06
申请号：US13973783
申请日：2013-08-22
申请人： Atsushi Takaura , Kazuhiro Fujita , Nobuo Sakuma
发明人： Atsushi Takaura , Kazuhiro Fujita , Nobuo Sakuma
IPC分类号： G03B21/14 , G03B21/20 , G03B21/28 , G03B21/26 , G03B13/22 , G03B21/56
CPC分类号： G03B21/28 , G02B13/16 , G02B17/0816 , G02B17/0848 , G02B17/0852
摘要： In a projection optical system for use in an image projection apparatus illuminating an image display panel forming an image in accordance with a modulating signal with illumination light from a light source, the projection optical system includes first and second optical systems arranged along an optical path defining an upstream-downstream direction in the order described from upstream to downstream on the downstream side of the image display panel. The first optical system includes at least one dioptric system and has positive power. The second optical system includes at least one reflecting surface having power and has positive power. The image formed by the image display panel is formed as an intermediate image in the optical path, and the intermediate image is magnified and projected.
摘要翻译：在一种投影光学系统中，投影光学系统包括沿着光路定义的第一和第二光学系统，所述投影光学系统用于照射根据来自光源的照明光的调制信号形成图像的图像显示面板的图像投影设备，以图像显示面板的下游侧的上游到下游描述的顺序的上游 - 下游方向。第一光学系统包括至少一个屈光度系统并且具有正的功率。第二光学系统包括具有功率并且具有正功率的至少一个反射表面。由图像显示面板形成的图像形成为光路中的中间图像，并且中间图像被放大和投影。

37. 发明申请

US20150253653A1 ILLUMINATION DEVICE, PROJECTOR, AND ILLUMINATION METHOD 有权
标题翻译：照明装置，投影仪和照明方法
公开(公告)号：US20150253653A1
公开(公告)日：2015-09-10
申请号：US14425376
申请日：2013-09-12
申请人： Kazuhiro Fujita , Tatsuya Takahashi , Toshiharu Murai , Ikuo Maeda , Takehiro Nishimori
发明人： Kazuhiro Fujita , Tatsuya Takahashi , Toshiharu Murai , Ikuo Maeda , Takehiro Nishimori
IPC分类号： G03B21/20 , G02B26/00 , G02B13/16 , F21V9/16 , F21V9/08
CPC分类号： G03B21/204 , F21V9/08 , F21V9/30 , F21Y2101/00 , F21Y2115/10 , F21Y2115/30 , G02B13/16 , G02B26/008 , G02B27/102 , G02B27/141 , G02B27/143 , G03B33/08 , H04N9/3111 , H04N9/3158 , H04N9/3164
摘要： An illumination device includes an excitation light source which emits excitation light, a wavelength converter which generates fluorescent light having a wavelength different from that of the excitation light through the excitation of the excitation light and a light path-splitting member including a first filter and a second filter arranged to alternately come across a light path of the excitation light, wherein the first filter reflects one of the excitation light and the fluorescent light and transmits the other of the excitation light and the fluorescent light, the second filter transmits light reflected by the first filter and reflects light transmitted through the first filter, and the wavelength converter is disposed in a reflection light path or a transmission light path of the excitation light.
摘要翻译：照明装置包括发射激发光的激发光源，通过激发光产生具有与激发光的波长不同的波长的荧光的波长转换器，以及包括第一滤光器和第二滤光器的光路分离部件所述第二滤光器被布置成交替地穿过所述激发光的光路，其中所述第一滤光器反射所述激发光和所述荧光中的一个并透射所述激发光和所述荧光的另一个，所述第二滤光器透射由所述激发光反射的光，第一滤光器并反射透过第一滤光器的光，并且波长转换器设置在激发光的反射光路或透射光路中。

38. 发明申请

US20130308104A1 LIGHT SOURCE APPARATUS AND IMAGE PROJECTION APPARATUS 审中-公开
标题翻译：光源装置和图像投影装置
公开(公告)号：US20130308104A1
公开(公告)日：2013-11-21
申请号：US13872490
申请日：2013-04-29
申请人： Takehiro NISHIMORI , Kazuhiro Fujita , Toshiharu Murai , Ikuo Maeda , Tatsuya Takahashi
发明人： Takehiro NISHIMORI , Kazuhiro Fujita , Toshiharu Murai , Ikuo Maeda , Tatsuya Takahashi
IPC分类号： G03B21/20 , F21V7/00 , F21V13/04 , F21V29/02 , F21V29/00
CPC分类号： F21V7/0033 , F21V13/04 , F21V29/60 , G03B21/16 , G03B21/2013 , G03B21/2033 , G03B21/2066
摘要： A light source apparatus includes a first reflector having a first reflection face; a second reflector having a second reflection face, the first reflection face of the first reflector and the second reflection face of the second reflector disposed opposite each other; and a plurality of light sources being disposed around a periphery of the second reflector. Light beams emitted from the plurality of light sources reflect on the first reflector and then reflect on the second reflector.
摘要翻译：光源装置包括具有第一反射面的第一反射器; 第二反射器，具有第二反射面，第一反射体的第一反射面和第二反射体的第二反射面相对设置; 并且多个光源围绕第二反射器的周边设置。从多个光源发射的光束在第一反射器上反射，然后在第二反射器上反射。

39. 发明申请

US20130235356A1 PROJECTION OPTICAL SYSTEM AND IMAGE PROJECTION DEVICE 有权
标题翻译：投影光学系统和图像投影设备
公开(公告)号：US20130235356A1
公开(公告)日：2013-09-12
申请号：US13643177
申请日：2011-05-09
申请人： Tatsuya Takahashi , Kazuhiro Fujita , Issei Abe
发明人： Tatsuya Takahashi , Kazuhiro Fujita , Issei Abe
IPC分类号： G02B17/08
CPC分类号： G02B17/08 , G02B17/0852 , G03B21/14 , G03B21/28
摘要： A disclosed projection optical system projects images on a surface to be projected on. The projection optical system includes a first optical system including at least one refraction optical system and having positive power as a whole, a folding mirror, and a second optical system including at least one reflection surface having power and having positive power as a whole. Further the folding mirror folds a light path from the first optical system to the second optical system, and in a plane including an optical axis of the first optical system and a normal line of the surface to be projected on, the following conditional expressions (1) through (3) are satisfied (1) 0.43≦d1, (2) 0.43≦d2, and (3) 0.7≦d2/d1≦2.0.
摘要翻译：所公开的投影光学系统在要投影的表面上投影图像。投影光学系统包括具有至少一个折射光学系统并具有整体正电力的第一光学系统，折叠镜和包括至少一个反射面的第二光学系统，该反射面整体上具有正的光焦度。此外，折叠镜折叠从第一光学系统到第二光学系统的光路，并且在包括第一光学系统的光轴和要投影的表面的法线的平面中，以下条件表达式（1 ）（3）满足（1）0.43@d1，（2）0.43@d2和（3）0.7 @ d2 / d1 @ 2.0。

40. 发明申请

US20120236266A1 IMAGE PROJECTION APPARATUS 有权
标题翻译：图像投影设备
公开(公告)号：US20120236266A1
公开(公告)日：2012-09-20
申请号：US13411717
申请日：2012-03-05
申请人： Tatsuya Takahashi , Kazuhiro Fujita , Issei Abe
发明人： Tatsuya Takahashi , Kazuhiro Fujita , Issei Abe
IPC分类号： G03B21/14
CPC分类号： H04N9/3194 , G03B21/145 , G03B21/147 , G03B21/28 , H04N9/3185
摘要： An image projection apparatus includes: an optical image generating unit to generate an optical image based on image data; a projection surface; a projection optical system including a plurality of optical elements and configured to form an projected image, onto a projection surface, coupled with the optical image generated by the optical image generating unit; a projected image shifting unit to shift the projected image by changing a posture of at least one of the plurality of optical elements included in the projection optical system; a tilt sensor to detect a posture of the optical element of which posture is changed by the projected image shifting unit; and a trapezoidal distortion correction unit to correct the optical image generated by the optical image generating unit so as to prevent the trapezoidal distortion of the projected image from occurring based on the detection result of the tilt sensor.
摘要翻译：一种图像投影设备，包括：光学图像生成单元，用于基于图像数据生成光学图像; 投影面; 投影光学系统，包括多个光学元件，并且被配置为与由所述光学图像生成单元生成的光学图像耦合的投影面; 投影图像移位单元，通过改变投影光学系统中包括的多个光学元件中的至少一个的姿势来移动投影图像; 倾斜传感器，用于检测投影图像移动单元改变姿势的光学元件的姿势; 以及梯形失真校正单元，用于校正由光学图像生成单元生成的光学图像，以便基于倾斜传感器的检测结果来防止投影图像的梯形失真。

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