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1. 发明申请

US20090314927A1 OPTICAL SCANNING DEVICE, IMAGE FORMING APPARATUS, AND OPTICAL SCANNING METHOD 有权
标题翻译：光学扫描装置，图像形成装置和光学扫描方法
公开(公告)号：US20090314927A1
公开(公告)日：2009-12-24
申请号：US12486806
申请日：2009-06-18
申请人： Hibiki Tatsuno , Kenichi Ono , Tomoaki Suga , Naoto Watanabe , Nobuyuki Arai
发明人： Hibiki Tatsuno , Kenichi Ono , Tomoaki Suga , Naoto Watanabe , Nobuyuki Arai
IPC分类号： G01J1/32 , G02B26/12
CPC分类号： G02B26/123 , G01J1/26 , G02B5/205 , G02B26/124 , G02B26/125
摘要： A surface-emitting laser array includes a plurality of surface-emitting laser devices arranged in an array. An optical system includes a plurality of optical devices to guide a light beam composed of lights emitted from the surface-emitting laser array to a target surface to be scanned. A light-intensity-control-device switching unit places one of light-intensity control devices having different light transmittances at a predetermined position in an optical path of the light beam.
摘要翻译：表面发射激光器阵列包括排列成阵列的多个表面发射激光器件。光学系统包括多个光学装置，用于将由表面发射激光器阵列发射的光组成的光束引导到待扫描的目标表面。光强度控制装置切换单元将光束不同的光强度控制装置放置在光束的光路中的规定位置。

2. 发明授权

US08022347B2 Optical scanning device, image forming apparatus, and optical scanning method having a plurality of light intensity control devices with a switching unit 有权
标题翻译：光学扫描装置，图像形成装置和具有多个具有开关单元的光强度控制装置的光学扫描方法
公开(公告)号：US08022347B2
公开(公告)日：2011-09-20
申请号：US12486806
申请日：2009-06-18
申请人： Hibiki Tatsuno , Kenichi Ono , Tomoaki Suga , Naoto Watanabe , Nobuyuki Arai
发明人： Hibiki Tatsuno , Kenichi Ono , Tomoaki Suga , Naoto Watanabe , Nobuyuki Arai
IPC分类号： G01J1/32
CPC分类号： G02B26/123 , G01J1/26 , G02B5/205 , G02B26/124 , G02B26/125
摘要： A surface-emitting laser array includes a plurality of surface-emitting laser devices arranged in an array. An optical system includes a plurality of optical devices to guide a light beam composed of lights emitted from the surface-emitting laser array to a target surface to be scanned. A light-intensity-control-device switching unit places one of light-intensity control devices having different light transmittances at a predetermined position in an optical path of the light beam.
摘要翻译：表面发射激光器阵列包括排列成阵列的多个表面发射激光器件。光学系统包括多个光学装置，用于将由表面发射激光器阵列发射的光组成的光束引导到待扫描的目标表面。光强度控制装置切换单元将光束不同的光强度控制装置放置在光束的光路中的规定位置。

3. 发明授权

US09195062B2 Optical scanning device and image forming apparatus 有权
标题翻译：光学扫描装置和图像形成装置
公开(公告)号：US09195062B2
公开(公告)日：2015-11-24
申请号：US13342510
申请日：2012-01-03
申请人： Nobuyuki Arai , Makoto Hirakawa , Naoki Miyatake , Naoto Watanabe , Tadashi Nakamura
发明人： Nobuyuki Arai , Makoto Hirakawa , Naoki Miyatake , Naoto Watanabe , Tadashi Nakamura
IPC分类号： G02B26/12 , B41J2/447 , B41J2/47 , G03G15/04
CPC分类号： G02B26/125 , B41J2/447 , B41J2/473 , G02B26/123 , G03G15/04072
摘要： Each scanning optical system includes a first scanning lens and a second scanning lens through which a light beam is incident onto the first scanning lens. The second scanning lens of each scanning optical system is disposed at the optically most downstream side in the scanning optical system and has an optical plane that has the strongest power in a sub-scanning corresponding direction. In addition, the optical plane of each second scanning lens, which has the strongest power in the sub-scanning corresponding direction, is located under the shaft bearings of neighboring polygon mirrors in the vertical direction.
摘要翻译：每个扫描光学系统包括第一扫描透镜和第二扫描透镜，光束通过该第二扫描透镜入射到第一扫描透镜上。每个扫描光学系统的第二扫描透镜设置在扫描光学系统的光学最下游侧，并且具有在副扫描对应方向上具有最强功率的光学平面。此外，在副扫描对应方向上具有最强功率的每个第二扫描透镜的光学平面位于相邻多面镜的轴承的垂直方向下方。

4. 发明授权

US08228580B2 Optical scanner and image forming apparatus including a common optical deflector and synchronization detector 有权
标题翻译：光学扫描器和图像形成装置，包括公共的光学偏转器和同步检测器
公开(公告)号：US08228580B2
公开(公告)日：2012-07-24
申请号：US12119859
申请日：2008-05-13
申请人： Nobuyuki Arai , Yoshinori Hayashi , Naoto Watanabe
发明人： Nobuyuki Arai , Yoshinori Hayashi , Naoto Watanabe
IPC分类号： G02B26/08
CPC分类号： B41J2/471 , G02B26/123 , G02B26/127 , H04N1/1135 , H04N1/12 , H04N1/506 , H04N2201/0471 , H04N2201/04713 , H04N2201/04744
摘要： An optical scanner includes a plurality of scanning optical systems each of which scans a different surface to be scanned and includes a light source configured to emit a light beam, an optical deflector having a plurality of reflection surfaces, and a synchronization detector configured to receive the light beam deflected by the optical deflector and detect a timing to scan an effective area of the surface to be scanned with the deflected light beam before a scanning is started or after the scanning is completed. The synchronization detector of one of a pair of scanning optical systems is disposed on a scanning end side to determine the scanning timing, and the synchronization detector of the other one of the pair of scanning optical systems is disposed on a scanning start side to determine the scanning timing.
摘要翻译：光学扫描仪包括多个扫描光学系统，每个扫描光学系统扫描要扫描的不同表面，并且包括被配置为发射光束的光源，具有多个反射表面的光学偏转器，以及配置成接收光束由光学偏转器偏转，并且在扫描开始之前或扫描完成之后检测用偏转光束扫描的待扫描表面的有效区域的定时。一对扫描光学系统中的一个的同步检测器被设置在扫描端侧以确定扫描定时，并且一对扫描光学系统中的另一个的同步检测器设置在扫描开始侧，以确定扫描时序。

5. 发明申请

US20120177409A1 OPTICAL SCANNING DEVICE AND IMAGE FORMING APPARATUS 有权
标题翻译：光学扫描装置和图像形成装置
公开(公告)号：US20120177409A1
公开(公告)日：2012-07-12
申请号：US13342510
申请日：2012-01-03
申请人： Nobuyuki Arai , Makoto Hirakawa , Naoki Miyatake , Naoto Watanabe , Tadashi Nakamura
发明人： Nobuyuki Arai , Makoto Hirakawa , Naoki Miyatake , Naoto Watanabe , Tadashi Nakamura
IPC分类号： G03G15/04 , G02B26/10
CPC分类号： G02B26/125 , B41J2/447 , B41J2/473 , G02B26/123 , G03G15/04072
摘要： Each scanning optical system includes a first scanning lens and a second scanning lens through which a light beam is incident onto the first scanning lens. The second scanning lens of each scanning optical system is disposed at the optically most downstream side in the scanning optical system and has an optical plane that has the strongest power in a sub-scanning corresponding direction. In addition, the optical plane of each second scanning lens, which has the strongest power in the sub-scanning corresponding direction, is located under the shaft bearings of neighboring polygon mirrors in the vertical direction.
摘要翻译：每个扫描光学系统包括第一扫描透镜和第二扫描透镜，光束通过该第二扫描透镜入射到第一扫描透镜上。每个扫描光学系统的第二扫描透镜设置在扫描光学系统的光学最下游侧，并且具有在副扫描对应方向上具有最强功率的光学平面。此外，在副扫描对应方向上具有最强功率的每个第二扫描透镜的光学平面位于相邻多面镜的轴承的垂直方向下方。

6. 发明授权

US10623607B2 Image processing apparatus, image forming apparatus, and image processing method 有权
公开(公告)号：US10623607B2
公开(公告)日：2020-04-14
申请号：US15014155
申请日：2016-02-03
申请人： Naoto Watanabe , Takeshi Ogawa , Takashi Soma
发明人： Naoto Watanabe , Takeshi Ogawa , Takashi Soma
IPC分类号： G06F15/00 , H04N1/60 , H04N1/40
CPC分类号： H04N1/6033 , H04N1/40087 , H04N1/6038 , H04N1/6041 , H04N2201/0094
摘要： An image processing apparatus includes: a storage unit to store therein, for each of a plurality of colors, correction information in which a correction value for obtaining a target output value is associated with each of combinations of one of a plurality of density values of image data corresponding to the color and one of a plurality of positions in a main scanning direction of image data; and a corrector to correct, when a pixel in input image data indicating image data received from a host device includes two or more colors, for each of the two or more colors, a density value of the color using a value smaller than a correction value corresponding to a combination of the density value of the color and a position of the pixel in the main scanning direction.

7. 发明授权

US08848009B2 Optical scanning device and image forming apparatus 有权
标题翻译：光学扫描装置和图像形成装置
公开(公告)号：US08848009B2
公开(公告)日：2014-09-30
申请号：US13624182
申请日：2012-09-21
申请人： Naoto Watanabe , Toshiaki Tokita , Kohji Sakai , Nobuaki Kubo
发明人： Naoto Watanabe , Toshiaki Tokita , Kohji Sakai , Nobuaki Kubo
IPC分类号： B41J2/385 , B41J2/435 , B41J15/14 , B41J27/00 , G02B26/08 , G02B26/10 , G02B26/12 , B41J2/47 , G02B27/00
CPC分类号： G02B26/123 , B41J2/473 , G02B27/0018
摘要： An optical scanning device scanning scan target surfaces in a first direction with light includes: a light source emitting first and second light beams corresponding to two of the scan target surfaces; an optical deflector including a reflection surface on which the emitted first and second light beams are obliquely incident while being separated from each other in a second direction perpendicular to the first direction, and deflecting the first and second light beams; a scanning lens disposed on respective optical paths of the deflected first and second light beams; and a branching optical element transmitting therethrough most of the first light beam transmitted through the scanning lens, and reflecting most of the second light beam transmitted through the scanning lens. The deflected first and second light beams intersect between the optical deflector and the branching optical element, when projected on a plane perpendicular to the first direction.
摘要翻译：用光扫描第一方向的扫描目标表面的光扫描装置包括：发射对应于两个扫描目标表面的第一和第二光束的光源; 光偏转器，其包括反射面，发射的第一光束和第二光束在垂直于第一方向的第二方向上彼此分离并倾斜入射，并且偏转第一和第二光束; 设置在偏转的第一和第二光束的相应光路上的扫描透镜; 以及分支光学元件，透射通过扫描透镜的第一光束的大部分，并且反射透过扫描透镜的大部分第二光束。当投影在垂直于第一方向的平面上时，偏转的第一和第二光束在光学偏转器和分支光学元件之间相交。

8. 发明申请

US20140204166A1 OPTICAL SCANNING APPARATUS AND IMAGE FORMING APPARATUS 有权
标题翻译：光学扫描装置和图像形成装置
公开(公告)号：US20140204166A1
公开(公告)日：2014-07-24
申请号：US14160930
申请日：2014-01-22
申请人： Yukio ITAMI , Yoshinori Hayashi , Naoki Miyatake , Naoto Watanabe , Yukihisa Yokoyama
发明人： Yukio ITAMI , Yoshinori Hayashi , Naoki Miyatake , Naoto Watanabe , Yukihisa Yokoyama
IPC分类号： B41J2/385 , G02B26/08
CPC分类号： G02B26/124 , G02B26/123
摘要： An optical scanning apparatus includes a light source; and a rotational polygon mirror having N reflecting surfaces, the rotational polygon mirror being configured to reflect a light flux emitted from the light source so that a scanning surface is scanned along a main-scanning direction with reflected from the rotational polygon mirror. A width of the light flux incident on the rotational polygon mirror in a direction corresponding to the main-scanning direction is smaller than a width of each reflecting surface of the rotational polygon mirror in the direction corresponding to the main-scanning direction.
摘要翻译：光学扫描装置包括光源; 以及具有N个反射面的旋转多面镜，所述旋转多面镜被配置为反射从所述光源发射的光束，使得沿着所述旋转多面镜反射的主扫描方向扫描表面。沿与主扫描方向相对应的方向入射到旋转多面镜的光束的宽度小于旋转多面反射镜的与主扫描方向对应的方向的各反射面的宽度。

9. 发明授权

US08786658B2 Exposure device and image forming apparatus 失效
标题翻译：曝光装置和图像形成装置
公开(公告)号：US08786658B2
公开(公告)日：2014-07-22
申请号：US13783898
申请日：2013-03-04
申请人： Nobuaki Kubo , Toshiaki Tokita , Kohji Sakai , Naoto Watanabe , Tomohiro Nakajima , Yorichika Ishiyama
发明人： Nobuaki Kubo , Toshiaki Tokita , Kohji Sakai , Naoto Watanabe , Tomohiro Nakajima , Yorichika Ishiyama
IPC分类号： B41J15/14 , B41J27/00
CPC分类号： G03G15/04036 , G03G15/0435 , G03G21/1666
摘要： An exposure device to expose an exposure element includes a light source; an optical system to guide light emitted from the light source to the exposure element; and an optical housing, configured with a plurality of plates, to support the light source and the optical system. At least one of the plurality of plates configuring the optical housing is formed with a plurality of grooves on each of a first face and a second face with a given pitch on the one of the plurality of plates, the first face and the second face being opposite faces with each other. The plurality of grooves are arranged by shifting the center of each of grooves formed on the first face and the center of each of grooves formed on the second face.
摘要翻译：用于曝光曝光元件的曝光装置包括光源; 用于将从光源发射的光引导到曝光元件的光学系统; 以及配置有多个板的光学壳体，以支撑光源和光学系统。构成光学壳体的多个板中的至少一个在多个板之一上形成有在第一面和第二面中的每一个上具有给定间距的多个槽，第一面和第二面是相反的面对面。多个凹槽通过使形成在第一面上的每个凹槽的中心和形成在第二面上的每个凹槽的中心偏移而布置。

10. 发明授权

US08665302B2 Optical device, control method of optical device, and image forming apparatus 有权
标题翻译：光学装置，光学装置的控制方法和成像装置
公开(公告)号：US08665302B2
公开(公告)日：2014-03-04
申请号：US13230072
申请日：2011-09-12
申请人： Hidetoshi Yamashita , Naoto Watanabe
发明人： Hidetoshi Yamashita , Naoto Watanabe
IPC分类号： B41J2/435
CPC分类号： B41J2/473 , G02B26/127 , G03G15/04072 , G03G15/0435 , G06K15/1214 , G06K15/129
摘要： An optical device includes: an irradiation unit that irradiates a part of laser beams output from a light source as a scan beam onto an irradiation target and outputs the remaining part of the laser beams as a monitor beam used to monitor a light amount of the laser beams; a measurement unit that measures a light amount of the monitor beam; a storage unit that stores a plurality of measurement results obtained by the measurement unit when the laser beams are output in a plurality of different light amounts, and the plurality of the different light amounts associated with each other; and a prediction unit that predicts the light amount of the monitor beam relative to a reference light amount of the laser beam using a plurality of the light amounts stored in the storage unit and the measurement results corresponding to the plurality of the light amounts.
摘要翻译：光学装置包括：照射单元，其将从光源输出的一部分激光束作为扫描光束照射到照射目标上，并将其余部分的激光束作为用于监测激光的光量的监视光束梁; 测量单元，其测量监视光束的光量; 存储单元，其存储当以多种不同的光量输出所述激光束时由所述测量单元获得的多个测量结果，以及所述多个不同的光量彼此相关联; 以及预测单元，其使用存储在存储单元中的多个光量和与多个光量相对应的测量结果，相对于激光束的参考光量来预测监视光束的光量。

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