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    • 25. 发明授权
    • Overhead projector
    • 难搞的项目
    • US4968134A
    • 1990-11-06
    • US367052
    • 1989-06-16
    • Kenichi ShimizuShigeru SuzukiKazuaki Iizuka
    • Kenichi ShimizuShigeru SuzukiKazuaki Iizuka
    • G03B21/132
    • G03B21/132Y10S353/03
    • An overhead projector comprises, a main body, a light source disposed in the main body for emitting a light, a Fresnel lens disposed on an upper surface of the main body, an internal mirror for reflecting the emitted light toward the Fresnel lens, disposed rotatably in the main body such that a portion of the internal mirror is protruded from a bottom of the main body to an outside of the main body upon a use of the projector and is accommodated in the main body upon a non-use of the projector, an arm connected with the main body at one longitudinal end thereof, a projection lens held by the other longitudinal end of the arm for focusing the reflected light which has passed through the Fresnel lens and an original for a projection placed on the Fresnel lens, and a projection mirror for directing the focused light from the projection lens toward a screen.
    • 高架投影仪包括主体,设置在主体中用于发光的光源,设置在主体上表面的菲涅耳透镜,用于将发射的光反射到菲涅尔透镜的内反射镜,可旋转地 在主体中使得内镜的一部分在使用投影仪时从主体的底部突出到主体的外部,并且在不使用投影仪时被容纳在主体中, 在主体的一个纵向端与主体连接的臂,由臂的另一纵向端部保持的投影透镜,用于聚焦已经通过菲涅耳透镜的反射光和用于放置在菲涅耳透镜上的投影的原稿,以及 用于将来自投影透镜的聚焦光引导到屏幕的投影镜。
    • 26. 发明授权
    • Exposure system of image forming apparatus
    • 成像装置曝光系统
    • US4924260A
    • 1990-05-08
    • US315898
    • 1989-02-16
    • Kenichi Shimizu
    • Kenichi Shimizu
    • G03B27/54
    • G03B27/542
    • For obtaining a required amount of exposure on a light sensitive film in an image forming apparatus in which a plurality of flash lamps disposed in opposition to the original are lit for exposure of the original to form a copied image on a light sensitive film, the individual flash lamps are alternately lit a plurality of times, respectively, even when the requisite quantity of light can be obtained by lighting alternately only once each of the flash lamps, to thereby prevent nonuniformity of exposure of the film due to the reciprocity law failure.
    • PCT No.PCT / JP88 / 00622 Sec。 371日期1989年2月16日 102(e)1989年2月16日PCT PCT日期1988年6月23日。为了在图像形成装置中在感光膜上获得所需量的曝光,其中与原稿相对设置的多个闪光灯被点亮 为了使原稿曝光以在感光膜上形成复印图像,即使当每个闪光灯交替地点亮一次时,也可以分别使各个闪光灯交替点亮多次,即使可以获得所需的光量 ,从而防止由于互易律失常导致的膜的不均匀性。
    • 28. 发明授权
    • Optical scanning and image forming apparatus with a free-sliding unit for thermal expansion
    • 具有用于热膨胀的自由滑动单元的光学扫描和成像设备
    • US08508808B2
    • 2013-08-13
    • US12388624
    • 2009-02-19
    • Kenichi ShimizuAtsuhiko Ogawa
    • Kenichi ShimizuAtsuhiko Ogawa
    • G02B26/12
    • G02B26/123H04N1/1135H04N1/12H04N2201/0082
    • An optical scanning apparatus has: a deflection unit that scans beams emitted from a plurality of laser light sources; an imaging unit having one or more optical elements for imaging beams scanned by the deflection unit; and a supporting unit having a higher rigidity than a rigidity of the imaging unit. The supporting unit has a pair of receiving members that support the imaging unit, in a sub-scanning direction, near both ends, as seen in a main scanning direction, of the imaging unit. The optical scanning apparatus also has; a bend-adjustment unit that corrects bend. The bend-adjustment unit is disposed on the supporting unit at a plurality of positions along the main scanning direction. The optical scanning apparatus further has a free-sliding unit for securing free expansion of the imaging unit due to temperature changes thereof.
    • 光学扫描装置具有:偏转单元,其扫描从多个激光光源发射的光束; 成像单元,具有一个或多个光学元件,用于成像由偏转单元扫描的光束; 以及具有比成像单元的刚性更高刚性的支撑单元。 支撑单元具有一对接收构件,其在副扫描方向上在成像单元的主扫描方向上的两端附近支撑成像单元。 光学扫描装置也具有: 弯曲调整单元。 弯曲调整单元沿着主扫描方向在多个位置设置在支撑单元上。 光学扫描装置还具有用于确保由于其温度变化而使成像单元自由膨胀的自由滑动单元。
    • 30. 发明申请
    • OPTICAL SCANNING APPARATUS, IMAGE-READING APPARATUS AND IMAGE-FORMING APPARATUS
    • 光学扫描装置,图像读取装置和图像形成装置
    • US20090219582A1
    • 2009-09-03
    • US12388624
    • 2009-02-19
    • Kenichi ShimizuAtsuhiko Ogawa
    • Kenichi ShimizuAtsuhiko Ogawa
    • H04N1/04G02B26/10
    • G02B26/123H04N1/1135H04N1/12H04N2201/0082
    • An optical scanning apparatus has: a deflection unit that scans beams emitted from a plurality of laser light sources; an imaging unit having one or more optical elements for imaging beams scanned by the deflection unit; and a supporting unit having a higher rigidity than a rigidity of the imaging unit. The supporting unit has a pair of receiving members that support the imaging unit, in a sub-scanning direction, near both ends, as seen in a main scanning direction, of the imaging unit. The optical scanning apparatus also has; a bend-adjustment unit that corrects bend. The bend-adjustment unit is disposed on the supporting unit at a plurality of positions along the main scanning direction. The optical scanning apparatus further has a free-sliding unit for securing free expansion of the imaging unit due to temperature changes thereof.
    • 光学扫描装置具有:偏转单元,其扫描从多个激光光源发射的光束; 成像单元,具有一个或多个光学元件,用于成像由偏转单元扫描的光束; 以及具有比成像单元的刚性更高刚性的支撑单元。 支撑单元具有一对接收构件,其在副扫描方向上在成像单元的主扫描方向上的两端附近支撑成像单元。 光学扫描装置也具有: 弯曲调整单元。 弯曲调整单元沿着主扫描方向在多个位置设置在支撑单元上。 光学扫描装置还具有用于确保由于其温度变化而使成像单元自由膨胀的自由滑动单元。