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21. 发明授权

US08717640B2 Optical scanner and image forming apparatus including same 有权
标题翻译：光扫描器及包括其的图像形成装置
公开(公告)号：US08717640B2
公开(公告)日：2014-05-06
申请号：US13670930
申请日：2012-11-07
申请人： Susumu Mikajiri
发明人： Susumu Mikajiri
IPC分类号： H04N1/04 , H04N1/21 , H04N1/46 , H04N1/29 , G02B26/08 , H01J5/16 , B41J15/14
CPC分类号： H04N1/0249 , H04N1/1135 , H04N2201/0246 , H04N2201/02472 , H04N2201/02477 , H04N2201/02479 , H04N2201/02491
摘要： An optical scanner includes a light source for projecting a light beam, a deflector for deflecting the light beam, a reflective member for reflecting the light beam toward a target, a contact member, and a pressing member. The reflective member includes a reflective plane and a rear plane opposite the reflective plane. The contact member contacts one of the rear plane of the reflective member and a first lateral plane perpendicular to the reflective plane to position the reflective member in place. The pressing member presses the reflective member against the contact member and includes a first pressing portion to press the reflective plane of the reflective member and a second pressing portion to press a ridge of the reflective member at which the reflective plane and a second lateral plane opposite the first lateral plane and perpendicular to the reflective plane of the reflective member meet.
摘要翻译：光学扫描仪包括用于投射光束的光源，用于偏转光束的偏转器，用于将光束朝向目标反射的反射部件，接触部件和按压部件。反射构件包括反射平面和与反射平面相对的后平面。接触构件接触反射构件的后平面中的一个和垂直于反射平面的第一侧面，以将反射构件定位在适当位置。所述按压构件将所述反射构件压靠在所述接触构件上，并且包括按压所述反射构件的反射面的第一按压部分和第二按压部分，以按压所述反射构件的脊，所述反射面和第二侧面相对第一横向平面并垂直于反射构件的反射平面相遇。

22. 发明授权

US08717398B2 Image forming apparatus having exposing unit positioning member 有权
标题翻译：具有曝光单元定位构件的图像形成装置
公开(公告)号：US08717398B2
公开(公告)日：2014-05-06
申请号：US13167454
申请日：2011-06-23
申请人： Junichi Yokoi , Yosuke Sugiyama
发明人： Junichi Yokoi , Yosuke Sugiyama
IPC分类号： B41J15/14 , B41J27/00
CPC分类号： G03G21/1619 , G03G15/04036 , G03G21/1666 , G03G2215/0141 , G03G2221/1636
摘要： An image forming apparatus is provided. The image forming apparatus includes: plural photosensitive members; plural exposing units opposed to the photosensitive members, respectively, each of the exposing units including a plurality of light emitting elements arranged in a first direction; and a body frame which is provided at both sides of the exposing units in the first direction. Each of the exposing units includes: a gap maintaining member which abuts a respective one of the photosensitive members to define a distance between the exposing unit and the photosensitive member; a first-direction positioning portion which abuts the body frame in the first direction to position the exposing unit in the first direction; and a second-direction positioning portion which abuts the body frame in a second direction perpendicular to the first direction and an exposing direction of the light emitting elements, to position the exposing unit in the second direction.
摘要翻译：提供一种图像形成装置。图像形成装置包括：多个感光构件; 分别与感光构件相对的多个曝光单元，每个曝光单元包括沿第一方向布置的多个发光元件; 以及设置在所述曝光单元的所述第一方向的两侧的主体框架。每个曝光单元包括：间隙保持构件，其邻接相应的一个感光构件以限定曝光单元和感光构件之间的距离; 第一方向定位部，其沿着第一方向抵接所述主体框架，以将所述曝光单元定位在所述第一方向上; 以及第二方向定位部，其在与第一方向垂直的第二方向和发光元件的曝光方向上抵接主体框架，以将曝光单元定位在第二方向。

23. 发明授权

US08593497B2 Flow guide for 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的流动导向装置
公开(公告)号：US08593497B2
公开(公告)日：2013-11-26
申请号：US13204922
申请日：2011-08-08
申请人： Taku Amada , Tomohiro Nakajima
发明人： Taku Amada , Tomohiro Nakajima
IPC分类号： B41J15/14 , B41J27/00
CPC分类号： B41J2/473 , G02B7/1815
摘要： An optical scanning device that optically scans a surface to be scanned in a main-scanning direction includes a light source; an optical deflector that has a reflective surface rotating on an axis of rotation of the reflective surface and deflects a light beam emitted from the light source; a scanning optical system that guides the light beam deflected by the optical deflector to the surface to be scanned; and a flow guide member that is provided near the optical deflector and turns back a flow of air generated by rotation of the reflective surface toward the reflective surface.
摘要翻译：沿主扫描方向光扫描待扫描的表面的光学扫描装置包括光源; 光学偏转器，其具有在所述反射表面的旋转轴线上旋转的反射表面，并偏转从所述光源发射的光束; 扫描光学系统，其将由所述光学偏转器偏转的光束引导到待扫描的表面; 以及流动引导构件，其设置在所述光学偏转器附近，并且将由所述反射表面的旋转产生的空气流朝向所述反射表面。

24. 发明授权

US08576265B2 Image forming apparatus having a printhead guide and locking mechanism 有权
标题翻译：具有打印头引导和锁定机构的图像形成装置
公开(公告)号：US08576265B2
公开(公告)日：2013-11-05
申请号：US12507335
申请日：2009-07-22
申请人： Yasuo Tamaru , Takuya Yamaguchi
发明人： Yasuo Tamaru , Takuya Yamaguchi
IPC分类号： B41J2/385 , G03G13/04 , B41J2/41 , B41J2/45 , B41J15/14 , B41J27/00 , B41J2/435 , B41J2/47 , G03G15/00 , G01D15/28 , G01D15/06
CPC分类号： G03G21/1661 , G03G15/04054
摘要： An image forming apparatus includes a photoreceptor which is rotatable with respect to a body frame, an exposing member which is movable relative to the body frame, a spacing member which is provided between the exposing member and the photoreceptor to maintain a distance between the photoreceptor and the exposing member, a positioning member which makes a contact with the exposing member to position the exposing member in a direction of rotation of the photoreceptor, and a pressing member which is provided to the body frame to press the exposing member toward the photoreceptor and the positioning member. Accordingly, it is possible to position the exposing member accurately with respect to the photoreceptor, in any of the light-axis direction and the rotational direction of the photoreceptor.
摘要翻译：图像形成装置包括可相对于主体框架旋转的感光体，相对于主体框架可移动的曝光构件，设置在曝光构件和感光体之间以保持感光体和感光体之间的距离的间隔构件所述曝光构件，与所述曝光构件接触以使所述曝光构件沿所述感光体的旋转方向定位的定位构件，以及设置到所述主体框架以将所述曝光构件朝向所述感光体按压的按压构件，定位件因此，可以在感光体的光轴方向和旋转方向中的任意一个中使曝光构件相对于感光体准确地定位。

25. 发明授权

US08564635B2 Optical scanner and image forming apparatus 有权
标题翻译：光学扫描仪和图像形成装置
公开(公告)号：US08564635B2
公开(公告)日：2013-10-22
申请号：US12868207
申请日：2010-08-25
申请人： Hibiki Tatsuno , Nobuyuki Arai
发明人： Hibiki Tatsuno , Nobuyuki Arai
IPC分类号： B41J15/14 , B41J27/00
CPC分类号： G03G15/326 , G02B26/123 , G02B26/124 , G03G15/0435 , H04N1/1135 , H04N1/12 , H04N1/1911 , H04N2201/0082
摘要： An optical scanner includes a light source including light emitters, an aperture member collimating light beams from the light source, a deflector deflecting the light beams passing through the aperture member, and a scanning optical system condensing the deflected light beams onto a scanned surface to optically scan the surface in a main-scanning direction. The scanning optical system includes a resin scanning system having at least one resin scanning lens. At least one folding mirror/sheet glass is disposed between a scanning lens nearest to the deflector in the resin scanning system and the scanned surface. At least one scanning lens in the resin scanning system has an uneven birefringence distribution with respect to a sub-scanning direction. An optical conjugate image of the aperture member is formed between a lens surface nearest to the deflector in the resin scanning system and a lens surface nearest to the scanned surface with respect to the sub-scanning direction.
摘要翻译：光学扫描仪包括光源，包括发光体，准直来自光源的光束的孔径构件，偏转穿过孔径构件的光束的偏转器以及将偏转的光束聚集到扫描表面上的光学系统，以光学地在主扫描方向扫描表面。扫描光学系统包括具有至少一个树脂扫描透镜的树脂扫描系统。在树脂扫描系统中最靠近偏转器的扫描透镜与被扫描表面之间设置至少一个折叠镜/平板玻璃。树脂扫描系统中的至少一个扫描透镜相对于副扫描方向具有不均匀的双折射分布。孔径构件的光学共轭图像形成在树脂扫描系统中最靠近偏转器的透镜表面和相对于副扫描方向最靠近被扫描表面的透镜表面之间。

26. 发明授权

US08553062B2 Optical scanner and image forming apparatus 有权
标题翻译：光学扫描仪和图像形成装置
公开(公告)号：US08553062B2
公开(公告)日：2013-10-08
申请号：US13102121
申请日：2011-05-06
申请人： Atsushi Ueda
发明人： Atsushi Ueda
IPC分类号： B41J27/00 , B41J15/14 , B41J2/435
CPC分类号： G03G15/011 , B41J2/473 , G02B26/123 , G02B26/125 , G03G15/0435 , G03G2215/0132
摘要： An optical scanner includes a third f-theta lens, an eccentric cam, an attaching portion, a first supporting member, a second supporting member and a spring. A distance between a face opposed to the first side-face of the third f-theta lens in the first supporting member and a face opposed to the second side-face of the third f-theta lens in the second supporting member is set to be longer than a distance of the third f-theta lens in its lateral direction. The spring is disposed opposed to the first side-face or the second side-face, and presses the third f-theta lens so that the third f-theta lens is in contact with the eccentric cam and either of the first supporting member and the second supporting member.
摘要翻译：光学扫描器包括第三f-theta透镜，偏心凸轮，附接部分，第一支撑构件，第二支撑构件和弹簧。在第一支撑构件中与第三f-theta透镜的第一侧面相对的面与第二支撑构件中与第三f-θ透镜的第二侧面相对的面之间的距离被设定为长于第三个f-θ透镜在其横向上的距离。弹簧设置成与第一侧面或第二侧面相对，并且按压第三f-theta透镜，使得第三f-theta透镜与偏心凸轮接触并且第一支撑构件和第二支撑构件。

27. 发明授权

US08547410B2 Exposure device and image forming apparatus 有权
标题翻译：曝光装置和图像形成装置
公开(公告)号：US08547410B2
公开(公告)日：2013-10-01
申请号：US13197310
申请日：2011-08-03
申请人： Jiro Minabe
发明人： Jiro Minabe
IPC分类号： B41J15/14 , B41J27/00
CPC分类号： B41J2/47 , B41J2/45 , B41J2/451 , G03H1/0248 , G03H1/26 , G03H2001/0434 , G03H2001/2234 , G03H2222/34
摘要： An exposure device includes a plurality of light emitting elements provided on a substrate, a plurality of hologram elements multiplexing-recorded in correspondence with the plurality of light emitting elements, respectively, such that, when the plurality of light emitting elements are made to emit light in the recording layer arranged on the substrate, a plurality of condensing points having light components emitted from two or more light emitting elements and condensed on one point, is formed, and a condensing point row extending in a predetermined direction is formed on the face to be exposed, and a driving unit that drives the plurality of light emitting elements, respectively.
摘要翻译：曝光装置包括设置在基板上的多个发光元件，分别与多个发光元件对应地复用记录的多个全息元件，使得当使多个发光元件发光时在布置在基板上的记录层中，形成具有从两个或更多个发光元件发射并在一点上会聚的光分量的多个聚光点，并且在面向上形成沿预定方向延伸的聚光点列以及分别驱动多个发光元件的驱动单元。

28. 发明授权

US08531499B2 Optical scanner and image forming apparatus including same 失效
标题翻译：光扫描器及包括其的图像形成装置
公开(公告)号：US08531499B2
公开(公告)日：2013-09-10
申请号：US12556999
申请日：2009-09-10
申请人： Masaki Satoh
发明人： Masaki Satoh
IPC分类号： B41J15/14 , B41J27/00 , B41J2/435 , G02B26/08 , G02B26/10 , G02B26/12
CPC分类号： G03G15/043 , G02B26/105
摘要： An optical scanner includes a light source, a scan-deflecting portion including a resonance mirror to scan and deflect along a scan line, a plurality of light receiving sensors for synchronous detection provided on the scan line, a phase controller, an amplitude controller, and an offset controller. The phase controller obtains a difference between a true phase and a target phase, and generates a drive signal incorporating the difference between the true phase and the target phase. The amplitude controller incorporates the difference between a value equivalent of a true amplitude and a value equivalent of a target amplitude into the drive signal generated by the phase controller. The offset controller calculates an offset value by obtaining the difference between each of the time intervals, incorporates the difference between the offset value and a target offset value in the amplitude-controlled drive signal, and supply the drive signal to a driving device.
摘要翻译：一种光学扫描仪，包括光源，扫描偏转部分，其包括用于沿扫描线扫描和偏转的共振反射镜，用于在扫描线上提供的用于同步检测的多个光接收传感器，相位控制器，振幅控制器和偏移控制器。相位控制器获得真相和目标相位之间的差，并且产生包含真相和目标相位之差的驱动信号。幅度控制器将相当于真实幅度的等效值和目标幅度的等效值之间的差值并入由相位控制器产生的驱动信号中。偏移控制器通过获得每个时间间隔之间的差来计算偏移值，并且包括在幅度控制的驱动信号中的偏移值和目标偏移值之间的差，并将驱动信号提供给驱动装置。

29. 发明授权

US08520047B2 Print head and image forming apparatus including the same 有权
标题翻译：打印头和图像形成装置
公开(公告)号：US08520047B2
公开(公告)日：2013-08-27
申请号：US12109777
申请日：2008-04-25
申请人： Woon-Ho Seo
发明人： Woon-Ho Seo
IPC分类号： B41J15/14 , B41J27/00 , G02F1/13
CPC分类号： B41J2/451 , B41J2/465
摘要： Provided are a print head and an image forming apparatus. The print head, which selectively irradiates light to each pixel of an image on a photoconductor, the print head includes an illumination unit, which emits light, a liquid crystal layer, which transmits or intercepts the light incident from the illumination unit on a unit pixel basis according to an applied voltage, and a microlens array formed of liquid crystal polymer, which either focuses or does not focus the light passed through the liquid crystal layer onto the photoconductor.
摘要翻译：提供了一种打印头和图像形成装置。打印头选择性地将光照射到光电导体上的图像的每个像素上，打印头包括发射光的照明单元，液晶层，其在单位像素上透射或截取从照明单元入射的光基于施加电压的基底，以及由液晶聚合物形成的微透镜阵列，其将聚焦或不将通过液晶层的光聚焦到感光体上。

30. 发明授权

US08446447B2 Optical scanner 有权
标题翻译：光学扫描仪
公开(公告)号：US08446447B2
公开(公告)日：2013-05-21
申请号：US12893261
申请日：2010-09-29
申请人： Ryota Kato , Yasuo Tamaru , Jun Mihara
发明人： Ryota Kato , Yasuo Tamaru , Jun Mihara
IPC分类号： B41J15/14 , B41J2/435 , B41J27/00
CPC分类号： G03G15/04072 , B41J2/473 , G03G15/0435 , G03G15/326 , G03G21/1666 , G03G2221/1636 , H04N1/053 , H04N2201/0456 , H04N2201/0458
摘要： An optical scanner includes a frame, a light source, an optical member, and a spacer. The light source emits a light beam. The optical member is mounted on the frame to guide the light beam to a scanning target. The spacer maintains the optical member at a predetermined position with respect to the frame. The spacer is formed of a photocurable resin that is cured in response to a predetermined light having a wavelength within a prescribed range.
摘要翻译：光学扫描器包括框架，光源，光学构件和间隔件。光源发射光束。光学构件安装在框架上以将光束引导到扫描目标。间隔件将光学构件保持在相对于框架的预定位置。间隔物由光固化树脂形成，该光固化树脂响应于具有规定范围内的波长的预定光而固化。

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