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    • 1. 发明专利
    • Image forming apparatus, fixing device, and drier
    • 图像形成装置,固定装置和DRIER
    • JP2014095778A
    • 2014-05-22
    • JP2012246446
    • 2012-11-08
    • Fuji Xerox Co Ltd富士ゼロックス株式会社
    • UENO OSAMUKOJIMA TOMOAKIYAMAMOTO MASACHIKAYOSHIKAWA MASAHIROYUKAWA KOHEI
    • G03G15/20H01S5/022H01S5/183
    • G03G15/2007B41J11/002
    • PROBLEM TO BE SOLVED: To provide an image forming apparatus that suppresses unevenness in light emission in a direction crossing a direction of movement of a recording medium, a fixing device, and a drier.SOLUTION: An image forming apparatus includes a power supply unit that supplies a current to a light-emission element array chip 60, a plurality of light emission points 62, and a negative electrode 75, which are arranged side by side in a conveyance direction of sheets. A current flowing from the power supply unit to the negative electrode 75 through the plurality of light emission points 62 flows in the conveyance direction within a range corresponding to a width of a recording medium. With this configuration, unevenness in light emission in the conveyance width direction is suppressed, and thereby uniformity in light intensity distribution is increased and unevenness in fixing of a toner image is suppressed.
    • 要解决的问题:提供一种图像形成装置,其抑制与记录介质,定影装置和干燥器的移动方向交叉的方向上的发光不均匀。图像形成装置包括:电源单元, 向片材的输送方向并排配置的发光元件阵列芯片60,多个发光点62以及负极75供给电流。 通过多个发光点62从电源单元向负极75流动的电流在与记录介质的宽度对应的范围内沿输送方向流动。 由此,抑制了输送宽度方向的发光不均匀性,从而增加了光强分布的均匀性,并且抑制了调色剂图像的定影不均匀。
    • 2. 发明专利
    • Fixing device, image forming apparatus, and program
    • 固定装置,图像形成装置和程序
    • JP2013114215A
    • 2013-06-10
    • JP2011262664
    • 2011-11-30
    • Fuji Xerox Co Ltd富士ゼロックス株式会社
    • KOJIMA TOMOAKIKISHIMOTO TERUKIKODERA TETSUOMATSUBARA TAKASHI
    • G03G15/20
    • PROBLEM TO BE SOLVED: To suppress a difference in intensity of respective laser beams in an area irradiated with laser beams when toner is fixed with a plurality of laser beams.SOLUTION: A laser device 21 irradiates a position through which a sheet P passes with laser beams. A light source 41 irradiates the sheet P on which toner is fixed with the laser beams with light. Light reflected on a portion of the sheet P where the toner is fixed is received by a sensor unit 42. The sensor unit 42 outputs a signal corresponding to the amount of the received light to a control unit 50. The control unit 50 adjusts intensity of laser beams emitted from the laser device 21 in accordance with the amount of light indicated by the signal supplied from the sensor unit 42.
    • 要解决的问题:当用多个激光束固定调色剂时,抑制用激光束照射的区域中的各个激光束的强度差。 解决方案:激光装置21照射片材P通过激光束的位置。 光源41用光照射激光束固定有调色剂的片材P. 在调色剂固定的片材P的一部分上反射的光由传感器单元42接收。传感器单元42将与接收到的光量相对应的信号输出到控制单元50.控制单元50调节 根据由传感器单元42提供的信号所指示的光量,从激光装置21发射的激光束。(C)2013,JPO&INPIT
    • 3. 发明专利
    • Semiconductor light-emitting device
    • 半导体发光器件
    • JP2010199197A
    • 2010-09-09
    • JP2009040685
    • 2009-02-24
    • Fuji Xerox Co Ltd富士ゼロックス株式会社
    • MATSUSHITA KAZUMASAOMORI SEIYAMURAKAMI AKEMIYOSHIKAWA MASAHIROKOJIMA TOMOAKI
    • H01S5/042H01S5/068H01S5/183
    • PROBLEM TO BE SOLVED: To provide a semiconductor light-emitting device capable of preventing the emission efficiency deterioration by temperature of an electrode which supplies current, as compared with a fixed semiconductor light-emitting element.
      SOLUTION: The control section 120 of a semiconductor light-emitting device 1 changes the combination of p-side and n-side electrodes at high temperatures and low temperatures. For example, at a low temperature, a first electrode pair is formed, by combining a p-side electrode 14a and an n-side electrode 16a, and also a p-side electrode 14b and an n-side electrode 16b. As the current route of the semiconductor light-emitting device 1 passes through near the center of the current passage region 10, current density in the current-constricting diameter (Ox) becomes uniform, and the emission efficiency at low temperatures is improved.
      COPYRIGHT: (C)2010,JPO&INPIT
    • 解决的问题:提供一种与固定的半导体发光元件相比能够防止发光效率劣化的半导体发光器件,该半导体发光器件与提供电流的电极的温度相关。 解决方案:半导体发光器件1的控制部分120在高温和低温下改变p侧和n侧电极的组合。 例如,在低温下,通过组合p侧电极14a和n侧电极16a以及p侧电极14b和n侧电极16b来形成第一电极对。 随着半导体发光器件1的电流路径在电流通过区域10的中心附近通过,电流 - 收缩直径(Ox)中的电流密度变得均匀,并且提高了低温下的发光效率。 版权所有(C)2010,JPO&INPIT
    • 5. 发明专利
    • Fixing device and image forming apparatus
    • 固定装置和图像形成装置
    • JP2013068732A
    • 2013-04-18
    • JP2011206247
    • 2011-09-21
    • Fuji Xerox Co Ltd富士ゼロックス株式会社
    • UENO OSAMUKOJIMA TOMOAKINAKAYAMA HIDEOYAMAMOTO MASACHIKA
    • G03G15/20
    • G03G15/2007
    • PROBLEM TO BE SOLVED: To reduce unevenness when fixing an image on a recording medium in a fixing device for fixing an image by irradiating light by a surface light emitting element.SOLUTION: A light emitting part 52 has a substrate 521, a plurality of chips 522 and a drive circuit 523. The plurality of chips 522 are disposed along a width direction and die attached to the substrate 521. In the light emitting part 52, a light emitting region 5222 is a rectangular having a short side L1 and a long side L2. The chips 522 are disposed in a state where the long side L2 is inclined by 45° with respect to the conveyance direction. In addition, an angle formed by the long side L2 and the conveyance direction is not strictly 45° and may be within an error range with reference to 45°. If the long side L2 is disposed inclined by 45° with respect to the conveyance direction of the long side L2, the gap g1 is non-parallel to the conveyance direction.
    • 要解决的问题:通过用表面发光元件照射光来固定图像定影装置中的图像定影在记录介质上以减少不均匀性。 解决方案:发光部分52具有基板521,多个芯片522和驱动电路523.多个芯片522沿着宽度方向设置并且附着到基板521上。在发光部分 如图52所示,发光区域5222是具有短边L1和长边L2的矩形。 芯片522配置在长边L2相对于输送方向倾斜45°的状态。 此外,由长边L2和输送方向形成的角度不是严格的45°,也可以在相对于45°的误差范围内。 如果长边L2相对于长边L2的输送方向倾斜45°,则间隙g1与输送方向不平行。 版权所有(C)2013,JPO&INPIT
    • 8. 发明专利
    • Optical fixing device and image forming device
    • 光学固定装置和图像形成装置
    • JP2013064838A
    • 2013-04-11
    • JP2011203019
    • 2011-09-16
    • Fuji Xerox Co Ltd富士ゼロックス株式会社
    • MATSUBARA TAKASHIKOJIMA TOMOAKICHIBA NAOTO
    • G03G15/20B65H23/06G03G15/00
    • PROBLEM TO BE SOLVED: To avoid a situation that light is condensed on a recording medium by using a behavior of the recording medium when transportation of the recording medium is stopped.SOLUTION: An optical fixing device includes a light source 131 for radiating laser light, a condensing optical system 132 for condensing the laser light, and support rollers 133 and 134. The support roller 134 has a larger brake force than the support roller 133 when the transportation of the recording medium 30 is stopped. In this configuration, when transportation abnormality of the recording medium 30 occurs and the transportation of the recording medium 30 is stopped at downstream side in the optical fixing device, the support roller 133 feeds out the recording medium 30 larger than the support roller 134 until it stops, thereby causing sagging in the recording medium 30.
    • 要解决的问题:为了避免在记录介质的运输停止时通过使用记录介质的行为在记录介质上聚光的情况。 光固定装置包括用于照射激光的光源131,用于聚光激光的聚光光学系统132和支撑辊133和134.支撑辊134具有比支撑辊更大的制动力 当记录介质30的运送停止时, 在该结构中,当在光学定影装置中的下游侧发生记录介质30的传送异常并且记录介质30的传送停止时,支撑辊133将比支撑辊134大的记录介质30送出,直到它 停止,从而引起记录介质30的下垂。版权所有(C)2013,JPO&INPIT