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公开(公告)号：US10151447B2
公开(公告)日：2018-12-11
申请号：US15864540
申请日：2018-01-08
Inventor： Masae Suzuki , Ryuji Hotta , Masaki Tada
IPC: F21V7/00 , F21V7/22 , F21V11/16 , F21V3/00 , A47F3/00 , F21Y115/10 , F21V7/06 , F21Y103/10
Abstract: A lighting device includes a light source and first and second reflection surfaces. The first reflection surface reflects source light from the light source, and projects first light on first and second regions on an illuminated surface. The second region is closer to the lighting device than the first region. The second reflection surface is tinted in a prescribed color, and reflects secondary and higher-order reflection light of the source light, and projects second light on the second region. An absolute value of a difference between correlated color temperatures of the first light projected on the first region and of mixed light of the first and second lights projected on the second region is smaller than an absolute value of a difference between correlated color temperatures of the first light projected on the first region and of the first light projected on the second region.
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公开(公告)号：US09025228B1
公开(公告)日：2015-05-05
申请号：US14591267
申请日：2015-01-07
Inventor： Toshiaki Horie , Shinsuke Nakazono , Soichiro Hiraoka , Shigeo Furukawa , Yuta Yamamoto , Kazuki Komaki , Masaki Tada
CPC classification number: G02B26/101 , B81B3/0045 , B81B2201/042 , B81B2203/0163 , G02B7/1821 , G02B26/0833 , G02B26/0858 , G02B26/105
Abstract: An optical reflecting device includes a fixed frame, a pair of first oscillation parts, a movable frame, a pair of second oscillation parts, and a mirror part. One-side ends of the first oscillation parts are connected to the inside of the fixed frame. The movable frame is connected to and held by the other-side ends of the pair of first oscillation parts to be pivotable. One-side ends of the pair of second oscillation parts are connected to the inside of the movable frame and the pair of second oscillation parts are disposed to be substantially perpendicular to the pair of first oscillation parts. The mirror part is connected to and held by the other-side ends of the pair of second oscillation parts to be pivotable. The first oscillation parts have a meandering shape in which a plurality of straight portions and a plurality of folded portions are formed, and a stepped structure portion is provided in part of the folded portion.
Abstract translation: 光学反射装置包括固定框架，一对第一振动部件，可动框架，一对第二振动部件和反射镜部件。 第一振动部分的一端连接到固定框架的内部。 可移动框架连接到一对第一振动部件的另一侧端部并由其保持以可枢转。 一对第二振荡部的一端连接到可动框架的内侧，并且一对第二振荡部被配置为大致垂直于该对第一振动部。 镜部分连接到一对第二振动部件的另一侧端部并由其保持以可枢转。 第一振动部件具有弯曲形状，其中形成多个直线部分和多个折叠部分，并且在折叠部分的一部分设置有阶梯状结构部分。
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公开(公告)号：US12263732B2
公开(公告)日：2025-04-01
申请号：US17950606
申请日：2022-09-22
Inventor： Yoshiteru Mino , Hideki Takahashi , Masaki Tada , Toshiya Mori , Hiroaki Okayama , Kazuhiro Minami
Abstract: Imaging and display system includes: a display; an optical system including a first mirror and a second mirror; a housing; a light-transmissive cover transparent to light and disposed to cover at least part of an opening of the housing; and a driver monitoring camera supported by a supporting body connected outside of the housing. First light emitted from the display passes through the light-transmissive cover via the optical system, and is reflected by a windshield toward a direction of the user. The driver monitoring camera captures an image of a driver shown on the light-transmissive cover by second light from a direction of the driver reflected by the windshield toward a direction of the light-transmissive cover.
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