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    • 3. 发明授权
    • Color image forming apparatus with well-registrated imagewise exposure
means
    • 具有良好注册的成像曝光装置的彩色图​​像形成装置
    • US5708934A
    • 1998-01-13
    • US558917
    • 1995-11-13
    • Hisayoshi NagaseShuta HamadaHiroyuki TokimatsuSatoshi Haneda
    • Hisayoshi NagaseShuta HamadaHiroyuki TokimatsuSatoshi Haneda
    • G03G15/01
    • G03G15/011G03G15/0152G03G15/0163G03G2215/0497
    • A color image forming apparatus such as a copier or a printer for forming a multicolor toner image. The apparatus includes: a photoreceptor for holding the multicolor toner image; a charger for charging the photoreceptor; plural imagewise exposers each for imagewisely exposing the photoreceptor, which is charged by the charging, with light so as to form a latent image corresponding to a component image of the multicolor toner image on the photoreceptor; a support member for supporting the plural imagewise exposers so that the plural imagewise exposers are fixed on the support member at positions where the light from each of the plural imagewise exposers is focused on the photoreceptor; plural developers each for developing the latent image with one of plural color toners so as to form the component image of the multicolor toner image on the photoreceptor; in which charging of the charging, exposing of the plural imagewise exposers, and developing of the plural developers are performed to form the multicolor toner image on the photoreceptor while the photoreceptor is rotated one time; and a transferor for transferring the multicolor toner image from the photoreceptor to a transfer member.
    • 彩色图像形成装置,例如用于形成多色调色剂图像的复印机或打印机。 该装置包括:用于保持多色调色剂图像的感光体; 用于对感光体充电的充电器; 多个图像曝光器各自用于通过光进行图像曝光使由感光体充电的感光体,以形成对应于感光体上的多色调色剂图像的分量图像的潜像; 用于支撑多个图像曝光器的支撑构件,使得多个图像曝光器在来自多个图像曝光器中的每一个的光聚焦在感光体上的位置处固定在支撑构件上; 多个显影剂各自用于利用多种颜色调色剂之一显影潜像,以便在感光体上形成多色调色剂图像的分量图像; 在感光体旋转一次的同时,进行充电,多个成像曝光的曝光和多个显影剂的显影,以在感光体上形成多色调色剂图像; 以及用于将多色调色剂图像从感光体转印到转印部件的转印器。
    • 7. 发明授权
    • Color image forming apparatus having a supporting member and a plurality
of image exposure devices mounted inside a cylindrical image forming
body
    • 彩色图像形成装置具有支撑构件和安装在圆筒形图像形成体内的多个图像曝光装置
    • US5722013A
    • 1998-02-24
    • US612224
    • 1996-03-07
    • Hisayoshi NagaseSatoshi HanedaHiroyuki TokimatsuShuta HamadaToshihide Miura
    • Hisayoshi NagaseSatoshi HanedaHiroyuki TokimatsuShuta HamadaToshihide Miura
    • G03G15/01G03G15/00
    • G03G15/011G03G15/0152G03G15/0163G03G2215/017G03G2215/0497
    • An apparatus for forming multi color toner images includes a photoreceptor drum which has an opening at a first end through which an inside of the photoreceptor drum is accessible, and which has an outer surface on which multi color toner images are formed. A supporting member is provided which is capable of being inserted into the inside of the photoreceptor drum through the opening thereof. A cover member is provided on a first end of the supporting member for covering the opening. A plurality of exposing devices are mounted on the supporting member so that the plurality of exposing devices and the supporting member are incorporated inside the photoreceptor drum when the cover member is fixed so as to cover the opening. A plurality of charging devices are provided around the outer surface of the photoreceptor drum for charging the outer surface of the photoreceptor drum. The plurality of exposing devices conduct imagewise exposing inside the photoreceptor drum so as to form a plurality of latent images for plural different colors on the charged outer surface of the photoreceptor drum, and a plurality of developing devices are provided around the outer surface of the photoreceptor drum for developing the plurality of latent images with plural different color toners so that multi color toner images are formed on the outer surface of the photoreceptor drum.
    • 用于形成多色调色剂图像的装置包括感光鼓,该感光鼓在第一端具有开口,通过该开口,感光鼓的内部可通过该开口,并且具有形成多色调色剂图像的外表面。 提供了能够通过其开口插入感光鼓内部的支撑构件。 盖构件设置在支撑构件的第一端上,用于覆盖开口。 多个曝光装置安装在支撑构件上,使得当盖构件被固定以覆盖开口时,多个曝光装置和支撑构件被结合在感光鼓的内部。 在感光鼓的外表面周围设置多个充电装置,用于对感光鼓的外表面充电。 多个曝光装置在感光鼓内部进行成像曝光,以便在感光鼓的带电外表面上形成多个不同颜色的潜像,并且在感光体的外表面周围设置多个显影装置 鼓,用于利用多种不同颜色的调色剂显影多个潜像,使得在感光鼓的外表面上形成多色调色剂图像。
    • 10. 发明授权
    • Image forming apparatus
    • 图像形成装置
    • US5850247A
    • 1998-12-15
    • US798486
    • 1997-02-10
    • Shuta HamadaSatoshi HanedaHisayoshi NagaseHiroyuki TokimatsuMasahiro OnoderaToshihide Miura
    • Shuta HamadaSatoshi HanedaHisayoshi NagaseHiroyuki TokimatsuMasahiro OnoderaToshihide Miura
    • B41J2/45G03G15/32G03G13/04B41J2/447
    • B41J2/451G03G15/04045G03G15/326G03G2215/0174
    • An image forming apparatus having an exposure optical system provided with an exposure light source in which light-emitting elements are arranged on a base plate to be line-shaped and with a lens array of a distributed refractive index type that converges a beam emitted from the exposure light source on the surface of a photoreceptor and conducts imagewise exposure. The apparatus is configured to satisfy the expression: ##EQU1## In the expression, .DELTA.T1 represents a variation width (K) of the temperature in the vicinity of light-emitting elements, R represents a radius of the photoreceptor mentioned above, Ri represents a length (.mu.m) of each member constituting the exposure optical system in the radial direction of the photoreceptor, .alpha. represents a coefficient of linear thermal expansion (.degree.C..sup.-1) of a transparent base that forms the photoreceptor, .alpha.i represents a coefficient of linear thermal expansion (.degree.C..sup.-1) of each member that constitute the exposure optical system, and F represents the depth of focus (.mu.m) of the lens array.
    • 一种具有曝光光学系统的曝光光学系统的图像形成装置,所述曝光光学系统设置有曝光光源,其中发光元件布置在基板上为线状,并且具有分散折射率类型的透镜阵列,其会聚从 曝光光源在感光体表面进行成像曝光。 该装置被配置为满足以下表达式:在表达式中,DELTA T1表示发光元件附近的温度的变化宽度(K),R表示上述感光体的半径,Ri表示 构成曝光光学系统的每个构件在感光体的径向方向上的长度(μm)α表示形成感光体的透明基底的线性热膨胀系数(℃-1),αi表示系数 构成曝光光学系统的每个构件的线性热膨胀(DEGC-1),F表示透镜阵列的焦深(μm)。