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1. 发明申请

US20160195717A1 OPTICAL APPARATUS, IMAGE FORMING APPARATUS, AND IMAGE READING APPARATUS 有权
标题翻译：光学装置，图像形成装置和图像读取装置
公开(公告)号：US20160195717A1
公开(公告)日：2016-07-07
申请号：US14655082
申请日：2013-12-18
申请人： CANON KABUSHIKI KAISHA
发明人： Takeyoshi Saiga , Masayasu Teramura , Yu Miyajima
IPC分类号： B41J2/385 , G02B3/08 , G01D15/06 , G02B13/08
CPC分类号： G02B27/0075 , G02B3/005 , G02B3/0062 , G02B13/08 , G02B13/24 , G02B13/26 , G02B27/0018 , G03G15/04036 , G03G15/04054 , G03G15/04063 , H04N1/02409 , H04N1/02418 , H04N1/0282
摘要： An optical apparatus includes: a light source including multiple light-emitting points arrayed in a first direction; and an imaging optical system including multiple lens optical systems arrayed in the first direction. The imaging optical system forms images of the multiple light-emitting points on a light-receiving surface. In a first cross-section and in a second cross-section, half-value of a maximum value of angle of divergence of an imaging optical flux input to the light-receiving surface, resolution, and a size of each image of the plurality of light-emitting points formed on the light-receiving surface, satisfy predetermined conditions.
摘要翻译：光学装置包括：光源，其包括沿第一方向排列的多个发光点; 以及包括沿第一方向排列的多个透镜光学系统的成像光学系统。成像光学系统在光接收表面上形成多个发光点的图像。在第一横截面和第二横截面中，输入到光接收表面的成像光通量的发散角的最大值的半值，分辨率和多个图像的每个图像的尺寸在受光面上形成的发光点满足规定的条件。

2. 发明授权

US09217863B2 Scanning optical system and image forming apparatus including the same 有权
标题翻译：扫描光学系统和包括其的成像设备
公开(公告)号：US09217863B2
公开(公告)日：2015-12-22
申请号：US14578968
申请日：2014-12-22
申请人： CANON KABUSHIKI KAISHA
发明人： Masayasu Teramura
IPC分类号： B41J15/14 , B41J2/385 , G02B26/12 , G03G15/043
CPC分类号： G02B26/124 , G02B26/123 , G03G15/04072 , G03G15/043
摘要： A scanning optical system includes a light source including light emission points, a deflector for deflecting a beam in main scanning direction, an optical element for guiding the beam from the light source to the deflector, and a stop for limiting the beam from the optical element, sets the followings appropriately: distance from the light source to the stop; focal length of the optical element; distance in main scanning direction from an intersection of optical axis and the light source at a farthest light emission point from the optical axis in main scanning direction; stop aperture diameter in main scanning direction; total angle at half maximum of a far-field pattern of emitted light; and angle between a marginal ray within main scanning section at the farthest light emission point from the optical axis in main scanning direction and a ray of a maximum intensity.
摘要翻译：扫描光学系统包括：光源，包括发光点，偏转器，用于沿主扫描方向偏转光束;光学元件，用于将光束从光源引导到偏转器;以及光阑，用于限制来自光学元件的光束，适当设置以下内容：从光源到停止的距离; 光学元件的焦距; 在主扫描方向上从光轴与光源的距离在距离光轴在主扫描方向最远的发光点处的距离; 在主扫描方向停止孔径; 发射光的远场图案的半峰总角度; 以及在主扫描方向上的最远的发光点处的主扫描区域中的边缘射线与主扫描方向上的光轴和最大强度的射线之间的角度。

3. 发明授权

US09217667B2 Spectrometer and image forming apparatus having the same 有权
标题翻译：光谱仪和具有该光谱仪的图像形成装置
公开(公告)号：US09217667B2
公开(公告)日：2015-12-22
申请号：US13845578
申请日：2013-03-18
申请人： CANON KABUSHIKI KAISHA
发明人： Masayasu Teramura , Kazumi Kimura , Nobuyuki Tochigi , Tokuji Takizawa
IPC分类号： G01J3/02 , G01J3/18 , G01J3/20 , G01J3/50
CPC分类号： G01J3/0205 , G01J3/02 , G01J3/0262 , G01J3/18 , G01J3/20 , G01J3/50
摘要： There is provided is a spectrometer having a concave reflection type diffraction element, wherein, among surfaces other than a diffraction surface of the diffraction element, non-diffraction surfaces which are located outside the diffraction surface at the same side as the diffraction surface are a glossy surface, the spectrometer includes a light detection unit which is located at an imaging position of a first-order diffracted light diffracted by the diffraction element to receive the first-order diffracted light, and the light detection unit is disposed inside optical paths of light beams regularly reflected on the non-diffraction surfaces outside the diffraction surface. Accordingly, it is possible to effectively suppress a stray light reflected on the surfaces other the diffraction surface from being incident into the light detection unit and to detect the light spectrally diffracted by the diffraction surface at high accuracy.
摘要翻译：提供了具有凹面反射型衍射元件的光谱仪，其中除了衍射元件的衍射面以外的表面中，位于与衍射面同侧的衍射面外侧的非衍射面为光泽光谱仪包括光检测单元，其位于由衍射元件衍射的一级衍射光的成像位置以接收一级衍射光，并且光检测单元设置在光束的光路内经常在衍射表面外的非衍射表面反射。因此，能够有效地抑制在其他衍射面的表面上反射的杂散光入射到光检测单元中，并以高精度检测由衍射面衍射的光。

4. 发明申请

US20150268386A1 IMAGING OPTICAL SYSTEM AND METHOD FOR MANUFACTURING LENS ARRAY 有权
标题翻译：成像光学系统和制造镜片阵列的方法
公开(公告)号：US20150268386A1
公开(公告)日：2015-09-24
申请号：US14435133
申请日：2013-10-04
申请人： CANON KABUSHIKI KAISHA
发明人： Yu Miyajima , Takeyoshi Saiga , Masayasu Teramura , Osamu Morisaki
IPC分类号： G02B3/00 , H04N1/192 , G03G15/04
CPC分类号： G02B3/0062 , G02B3/0031 , G02B3/0056 , G03G15/04 , H04N1/0312 , H04N1/192 , H04N2201/0081 , H04N2201/0082 , H04N2201/02487
摘要： An imaging optical system includes a plurality of lens optical system rows each including a plurality of lens optical systems arranged in a first direction. The plurality of lens optical system rows is arranged in a second direction perpendicular to the first direction and to an optical axis direction. Each of the plurality of lens optical systems in each of the plurality of lens optical system rows is configured to form an erect equal-magnification image in a cross section perpendicular to the second direction and configured to form an inverted image in across section perpendicular to the first direction. Ina cross section perpendicular to the optical axis direction, optical axes of the respective plurality of lens optical systems in adjoining ones of the plurality of lens optical system rows are separate from one another in the first direction and are located on the a line.
摘要翻译：成像光学系统包括多个透镜光学系列，每个透镜光学系列包括沿第一方向布置的多个透镜光学系统。多个透镜光学系列排列在垂直于第一方向和光轴方向的第二方向上。多个透镜光学系列中的每一个中的多个透镜光学系统中的每一个被配置为在与第二方向垂直的横截面中形成直立的等倍放大图像，并且被配置为在垂直于第二方向的横截面中形成反转图像第一个方向在垂直于光轴方向的横截面中，相邻的多个透镜光学系列行中的相应的多个透镜光学系统的光轴在第一方向上彼此分离并且位于一条线上。

5. 发明申请

US20220113536A1 LIGHT DETECTING APPARATUS AND LIGHT SCANNING APPARATUS 有权
公开(公告)号：US20220113536A1
公开(公告)日：2022-04-14
申请号：US17487454
申请日：2021-09-28
申请人： CANON KABUSHIKI KAISHA
发明人： Masayasu Teramura
IPC分类号： G02B26/12 , G02B26/08 , G02B26/10 , G02B5/122 , G03G15/043
摘要： An apparatus includes a reflecting element with first, second and third reflecting surfaces, and a receiving element configured to receive a light flux from a light source reflected by the reflecting element. A value of an inner product of a unit normal vector of the first reflecting surface and a unit normal vector of the second reflecting surface, a value of an inner product of the unit normal vector of the first reflecting surface and a unit normal vector of the third reflecting surface, and a value of an inner product of the unit normal vector of the second reflecting surface and the unit normal vector of the third reflecting surface are appropriately set.

6. 发明授权

US10754148B2 Optical scanning apparatus and image forming apparatus 有权
公开(公告)号：US10754148B2
公开(公告)日：2020-08-25
申请号：US16540361
申请日：2019-08-14
申请人： CANON KABUSHIKI KAISHA
发明人： Masayasu Teramura , Yu Miyajima
IPC分类号： G02B26/10 , G03G15/04
摘要： An optical scanning apparatus includes first and second deflecting units, and first and second imaging optical systems to guide first and second light fluxes deflected by the first and second deflecting units to first and second scanned surfaces. The first and second imaging optical systems include first and second imaging elements having the largest refractive power in a sub-scanning section. A distance on an optical path between the first deflecting unit and the first imaging element is shorter than that between the second deflecting unit and the second imaging element. The optical scanning apparatus satisfies: - d 2 N 2 ⁢ ϕ 21 ϕ 2

7. 发明授权

US09291749B2 Imaging optical system and method for manufacturing lens array 有权
标题翻译：成像光学系统及制造透镜阵列的方法
公开(公告)号：US09291749B2
公开(公告)日：2016-03-22
申请号：US14435133
申请日：2013-10-04
申请人： CANON KABUSHIKI KAISHA
发明人： Yu Miyajima , Takeyoshi Saiga , Masayasu Teramura , Osamu Morisaki
IPC分类号： H04N1/04 , G02B3/00 , H04N1/031 , G03G15/04 , H04N1/192
CPC分类号： G02B3/0062 , G02B3/0031 , G02B3/0056 , G03G15/04 , H04N1/0312 , H04N1/192 , H04N2201/0081 , H04N2201/0082 , H04N2201/02487
摘要： An imaging optical system includes a plurality of lens optical system rows each including a plurality of lens optical systems arranged in a first direction. The plurality of lens optical system rows is arranged in a second direction perpendicular to the first direction and to an optical axis direction. Each of the plurality of lens optical systems in each of the plurality of lens optical system rows is configured to form an erect equal-magnification image in a cross section perpendicular to the second direction and configured to form an inverted image in across section perpendicular to the first direction. Ina cross section perpendicular to the optical axis direction, optical axes of the respective plurality of lens optical systems in adjoining ones of the plurality of lens optical system rows are separate from one another in the first direction and are located on the a line.
摘要翻译：成像光学系统包括多个透镜光学系列，每个透镜光学系列包括沿第一方向布置的多个透镜光学系统。多个透镜光学系列排列在垂直于第一方向和光轴方向的第二方向上。多个透镜光学系列中的每一个中的多个透镜光学系统中的每一个被配置为在与第二方向垂直的横截面中形成直立的等倍放大图像，并且被配置为在垂直于第二方向的横截面中形成反转图像第一个方向在垂直于光轴方向的横截面中，相邻的多个透镜光学系列行中的相应的多个透镜光学系统的光轴在第一方向上彼此分离并且位于一条线上。

8. 发明申请

US20190286007A1 LIGHT SCANNING APPARATUS AND IMAGE FORMING APPARATUS 审中-公开
公开(公告)号：US20190286007A1
公开(公告)日：2019-09-19
申请号：US16299761
申请日：2019-03-12
申请人： CANON KABUSHIKI KAISHA
发明人： Masayasu Teramura
IPC分类号： G03G15/04 , G02B26/12
摘要： Light scanning apparatus includes a first imaging optical system including one or more imaging optical elements (IOEs) and a first reflective element on optical path between deflecting unit and a first one of IOEs having greatest power in sub-scanning section, and a second imaging optical system including one or more IOEs and a second reflective element on optical path between second scanned surface and a second one of IOEs having greatest power in sub-scanning section. A straight line passing through first and second light-condensing positions of first and second light fluxes deflected by deflecting unit on first and second optical axes is not perpendicular to sub-scanning direction. Distances on first and second optical axes from first and second axial deflecting points to first and second IOEs, and distances on first and second optical axes from first and second axial deflecting points to first and second scanned surfaces are appropriately set.

9. 发明申请

US20140160573A1 LENS ARRAY, IMAGE-FORMING APPARATUS AND IMAGE-READING APPARATUS INCLUDING LENS ARRAY 审中-公开
标题翻译：镜头阵列，图像形成装置和图像读取装置，包括镜片阵列
公开(公告)号：US20140160573A1
公开(公告)日：2014-06-12
申请号：US14095799
申请日：2013-12-03
申请人： CANON KABUSHIKI KAISHA
发明人： Masayasu Teramura , Yoshihiro Ishibe , Takeyoshi Saiga
IPC分类号： G02B27/10 , G03G15/04
CPC分类号： G03G15/0409 , G02B3/0056 , G02B3/0062
摘要： A lens array includes a first image-forming unit having a plurality of lens portions arrayed in a first direction and configured to form an intermediate image of an object at an intermediate image plane; and a second image-forming unit having a plurality of lens portions arrayed in the first direction and configured to re-image the intermediate image of the object onto a final image plane. The plurality of lens portions of the first and second image-forming units each have an anamorphic surface on a lens surface closest to the intermediate image plane, and each anamorphic surface has a shape having a decreased power at end portions as compared to a power in the vicinity of a surface vertex.
摘要翻译：透镜阵列包括第一图像形成单元，该第一图像形成单元具有沿第一方向排列的多个透镜部，并被配置为在中间像平面处形成物体的中间图像; 以及第二图像形成单元，其具有沿着所述第一方向排列的多个透镜部，并且被配置为将所述物体的中间图像重新成像到最终图像平面上。第一和第二图像形成单元的多个透镜部分各自在最接近中间像面的透镜表面上具有变形表面，并且每个变形表面具有与端部的功率相比具有降低的功率的形状表面顶点附近。

10. 发明申请

US20130250295A1 SPECTRAL COLORIMETRIC APPARATUS AND IMAGE FORMING APPARATUS USING THE SAME 有权
标题翻译：使用相同的彩色彩色装置和图像形成装置
公开(公告)号：US20130250295A1
公开(公告)日：2013-09-26
申请号：US13888504
申请日：2013-05-07
申请人： CANON KABUSHIKI KAISHA
发明人： Tokuji Takizawa , Kazumi Kimura , Nobuyuki Tochigi , Masayasu Teramura
IPC分类号： G01N21/25
CPC分类号： G01N21/251 , G01J3/02 , G01J3/0208 , G01J3/021 , G01J3/0216 , G01J3/0237 , G01J3/024 , G01J3/0291 , G01J3/20 , G01J3/2803 , G01J3/50 , G03G15/0131 , G03G15/0194 , G03G15/50 , G03G2215/0132 , G03G2215/0164
摘要： A spectral colorimetric apparatus for detecting a color of an image of a subject, including: an illumination optical system illuminating the subject on a detection surface; a spectral optical system including a spectral element spectrally separating the beam diffused by the subject and a light receiving element array detecting a spectral intensity distribution; and a guiding optical system for guiding a beam diffused by the subject, wherein: the detection surface is parallel to a spectral plane including a principal ray of a beam entering the spectral optical system and a principal ray of a beam spectrally separated; the principal ray of the beam enters the spectral optical system within the spectral plane obliquely to a line joining a center of the light receiving element array with a surface vertex of the spectral element; and a light receiving surface of the light receiving element array is orthogonal to the spectral plane.
摘要翻译：一种用于检测被摄体的图像的颜色的光谱比色装置，包括：照射光学系统，在检测面上照射被摄体; 光谱光学系统，包括频谱分离由对象漫射的光束的光谱元件和检测光谱强度分布的光接收元件阵列; 以及引导光学系统，用于引导被对象漫射的光束，其中：所述检测表面平行于包括进入所述光谱系统的光束的主光线和光谱分离的光束的主光束的光谱平面; 光束的主射线进入光谱平面内的光谱系统，倾斜于连接光接收元件阵列的中心与光谱元件的表面顶点的线; 并且光接收元件阵列的光接收表面与光谱平面正交。

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