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    Optical write-in head, image forming apparatus using the same, and method for inspecting the apparatus
    1.
    发明授权
    Optical write-in head, image forming apparatus using the same, and method for inspecting the apparatus 失效
    光写入头，使用其的成像装置以及检查装置的方法

    公开(公告)号：US07071963B2

    公开(公告)日：2006-07-04

    申请号：US10828393

    申请日：2004-04-19

    申请人： Tomitaka Takagi ,  Koichiro Iki

    发明人： Tomitaka Takagi ,  Koichiro Iki

    IPC分类号： G01M11/00 ,  G01M11/02

    CPC分类号： G02B3/0087 ,  B41J2/451

    摘要： An optical write-in head for obtaining a clear image even in printing at a relatively high recording density without generating strip-like irregularities in most cases. The optical write-in head applies light carrying image information to a photosensitive substance. The optical write-in head includes an array light source having a plurality of dot light sources each of which selectively emits the light corresponding to the image information, and a lens array facing the array light source. The lens array has a plurality of lens elements which corresponds to the plurality of dot light sources respectively. An angular aperture θ of each of the lens elements is set in a range of about 14° to 18°.

    摘要翻译： 一种光学写入头，用于即使在相对高的记录密度下进行打印也可获得清晰的图像，而在大多数情况下不会产生带状的不规则。 光学写入头将光携带图像信息应用于感光物质。 光学写入头包括具有多个点光源的阵列光源，每个点光源选择性地发射对应于图像信息的光，以及面对阵列光源的透镜阵列。 透镜阵列具有分别对应于多个点光源的多个透镜元件。 每个透镜元件的角度孔径θ设定在约14°至18°的范围内。

    Apparatus with offset light source for forming images on photosensitive surface
    2.
    发明授权
    Apparatus with offset light source for forming images on photosensitive surface 有权
    具有偏移光源的装置，用于在光敏表面上形成图像

    公开(公告)号：US07145590B2

    公开(公告)日：2006-12-05

    申请号：US10327218

    申请日：2002-12-23

    申请人： Tomitaka Takagi ,  Koichiro Iki

    发明人： Tomitaka Takagi ,  Koichiro Iki

    IPC分类号： B41J27/00

    CPC分类号： B41J2/451

    摘要： Disclosed is an image forming apparatus which provides an image of an excellent quality which has a less variation in resolution and suppressed linear irregularity. A rod lens array includes two rows of rod lenses stacked one on the other. An LED array is offset by a predetermined offset amount from a plane passing the median position between the first row of rod lenses and the second row of rod lenses. This structure can realize an LED printer head which reduces a variation in the resolution of the rod lens array, thereby suppressing linear irregularity, and can thus provide an image having an excellent quality.

    摘要翻译： 公开了一种图像形成装置，其提供具有较小分辨率变化和抑制线性不规则性的优质品质的图像。 棒状透镜阵列包括彼此堆叠的两排棒状透镜。 LED阵列偏移距离通过第一排杆透镜和第二排杆透镜之间的中间位置的平面的预定偏移量。 该结构可以实现减少棒状透镜阵列的分辨率变化的LED打印机头，从而抑制线性不规则性，并且因此可以提供具有优良品质的图像。

    Apparatus with offset light source for forming images on photosensitive surface
    3.
    发明授权
    Apparatus with offset light source for forming images on photosensitive surface 有权

    公开(公告)号：US06972785B2

    公开(公告)日：2005-12-06

    申请号：US10327218

    申请日：2002-12-23

    申请人： Tomitaka Takagi ,  Koichiro Iki

    发明人： Tomitaka Takagi ,  Koichiro Iki

    摘要： Disclosed is an image forming apparatus which provides an image of an excellent quality which has a less variation in resolution and suppressed linear irregularity. A rod lens array includes two rows of rod lenses stacked one on the other. An LED array is offset by a predetermined offset amount from a plane passing the median position between the first row of rod lenses and the second row of rod lenses. This structure can realize an LED printer head which reduces a variation in the resolution of the rod lens array, thereby suppressing linear irregularity, and can thus provide an image having an excellent quality.

    Optical write-in head, image forming apparatus using the same, and method for inspecting the apparatus
    4.
    发明授权
    Optical write-in head, image forming apparatus using the same, and method for inspecting the apparatus 有权
    光写入头，使用其的成像装置以及检查装置的方法

    公开(公告)号：US06891558B2

    公开(公告)日：2005-05-10

    申请号：US10236638

    申请日：2002-09-06

    申请人： Shuya Ogi ,  Tomitaka Takagi ,  Koichiro Iki ,  Minoru Toyama

    发明人： Shuya Ogi ,  Tomitaka Takagi ,  Koichiro Iki ,  Minoru Toyama

    IPC分类号： B41J2/45 ,  G02B3/00

    CPC分类号： G02B3/0087 ,  B41J2/451

    摘要： An optical write-in head for obtaining a clear image even in printing at a relatively high recording density without generating strip-like irregularities in most cases. The optical write-in head applies light carrying image information to a photosensitive substance. The optical write-in head includes an array light source having a plurality of dot light sources, each of which selectively emits the light corresponding to the image information, and a lens array facing the array light source. The lens array has a plurality of lens elements which corresponds to the plurality of dot light sources respectively. An angular aperture θ of each of the lens elements is set in a range of about 14° to 18°.

    摘要翻译： 一种光学写入头，用于即使在相对高的记录密度下进行打印也可获得清晰的图像，而在大多数情况下不会产生带状的不规则。 光学写入头将光携带图像信息应用于感光物质。 光学写入头包括具有多个点光源的阵列光源，每个点光源选择性地发射对应于图像信息的光以及面向阵列光源的透镜阵列。 透镜阵列具有分别对应于多个点光源的多个透镜元件。 每个透镜元件的角度孔径θ设定在约14°至18°的范围内。