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    Image reading apparatus, image reading unit thereof, and reference member thereof for shading correction
    2.
    发明授权
    Image reading apparatus, image reading unit thereof, and reference member thereof for shading correction 有权
    图像读取装置，图像读取单元及其用于阴影校正的参考构件

    公开(公告)号：US08164804B2

    公开(公告)日：2012-04-24

    申请号：US13163646

    申请日：2011-06-17

    申请人： Jun Tanaka ,  Takashi Machida ,  Shinobu Kato ,  Keiji Tsutaoka ,  Taketo Ochiai ,  Tetsurou Ishikawa

    发明人： Jun Tanaka ,  Takashi Machida ,  Shinobu Kato ,  Keiji Tsutaoka ,  Taketo Ochiai ,  Tetsurou Ishikawa

    IPC分类号： H04N1/04 ,  H04N1/40

    CPC分类号： H04N1/203 ,  H04N1/2034 ,  H04N2201/044

    摘要： An image reading apparatus which is capable of performing accurate shading correction with simple arrangement while preventing a reference member from being scratched and preventing paper powder and the like dust from being deposited on the reference member. The image reading apparatus includes an image reading unit in which a contact glass guides an original on an image reading location. The contact glass is held by a glass holding member. A line image sensor reads the image on the original conveyed on the image reading location, through the contact glass. The image reading unit further includes a reference member whose image is readable by the image sensor, and a moving mechanism to move the image sensor so as to enable the image sensor to alternatively read the original and a reference surface of the reference member.

    摘要翻译： 一种能够以简单的布置执行精确的阴影校正的图像读取装置，同时防止参考构件被划伤并防止纸粉和类似灰尘沉积在参考构件上。 图像读取装置包括图像读取单元，其中接触玻璃在图像读取位置引导原稿。 接触玻璃由玻璃保持构件保持。 线形图像传感器通过接触玻璃读取图像读取位置上传送的原稿上的图像。 图像读取单元还包括其图像可由图像传感器读取的参考构件和移动机构，以移动图像传感器，以使得图像传感器能够交替地读取原稿和参考构件的参考表面。

    IMAGE READING APPARATUS
    4.
    发明申请
    IMAGE READING APPARATUS 有权
    图像阅读器

    公开(公告)号：US20080297857A1

    公开(公告)日：2008-12-04

    申请号：US12128451

    申请日：2008-05-28

    申请人： TETSUROU ISHIKAWA ,  TATSUYA NISHI ,  KAZUHIDE SUGIYAMA

    发明人： TETSUROU ISHIKAWA ,  TATSUYA NISHI ,  KAZUHIDE SUGIYAMA

    IPC分类号： H04N1/04

    CPC分类号： H04N1/121 ,  H04N1/00909 ,  H04N1/123 ,  H04N1/125 ,  H04N1/193 ,  H04N2201/0081

    摘要： An image reading apparatus capable of preventing the occurrence of a streak and reading a quality image from the leading edge to the trailing edge of a original. An original is conveyed along a convey pass. The original being conveyed is guided by a guide member, at least part of the guide member being transparent. An image of the original being conveyed is read by an image sensor through the guide member. Airflow is generated, the airflow being blown into the convey pass from a location upstream in a conveying direction compared to a location of the image sensor. The guide member has a convex portion disposed at a location upstream in the conveying direction compared to the location of the image sensor.

    摘要翻译： 一种图像读取装置，其能够防止条纹的发生，并且从原稿的前端到后端读取质量图像。 原件沿着传送通道传送。 所传送的原稿由引导构件引导，引导构件的至少一部分是透明的。 被传送的原稿的图像由图像传感器通过引导构件读取。 产生气流，与图像传感器的位置相比，气流从输送方向上游的位置吹入输送通道。 与图像传感器的位置相比，引导构件具有设置在输送方向上游位置的凸部。

    IMAGE READING APPARATUS, IMAGE READING UNIT THEREOF, AND REFERENCE MEMBER THEREOF FOR SHADING CORRECTION
    7.
    发明申请
    IMAGE READING APPARATUS, IMAGE READING UNIT THEREOF, AND REFERENCE MEMBER THEREOF FOR SHADING CORRECTION 有权
    图像读取装置，图像读取单元及其用于缩放校正的参考成员

    公开(公告)号：US20110249302A1

    公开(公告)日：2011-10-13

    申请号：US13163646

    申请日：2011-06-17

    申请人： Jun Tanaka ,  Takashi Machida ,  Shinobu Kato ,  Keiji Tsutaoka ,  Taketo Ochiai ,  Tetsurou Ishikawa

    发明人： Jun Tanaka ,  Takashi Machida ,  Shinobu Kato ,  Keiji Tsutaoka ,  Taketo Ochiai ,  Tetsurou Ishikawa

    IPC分类号： H04N1/40

    CPC分类号： H04N1/203 ,  H04N1/2034 ,  H04N2201/044

    摘要： An image reading apparatus which is capable of performing accurate shading correction with simple arrangement while preventing a reference member from being scratched and paper powder and the like dust from being deposited on the reference member. The image reading apparatus comprises an image reading unit. In the image reading unit, a contact glass guides an original on an image reading location. The contact glass is held by a glass holding member. A line image sensor reads the image on the original conveyed on the image reading location, through the contact glass. The image reading unit further comprises a reference member whose image is readable by the image sensor, and a moving mechanism to move the image sensor so as to enable the image sensor to alternatively read the original and a reference surface of the reference member.

    摘要翻译： 一种能够以简单的布置进行精确的阴影校正的图像读取装置，同时防止参考构件被划伤，并且纸粉等类似的灰尘沉积在基准构件上。 图像读取装置包括图像读取单元。 在图像读取单元中，接触玻璃将图像引导到图像读取位置。 接触玻璃由玻璃保持构件保持。 线形图像传感器通过接触玻璃读取图像读取位置上传送的原稿上的图像。 图像读取单元还包括其图像可由图像传感器读取的参考构件和移动机构，以移动图像传感器，以使得图像传感器能够交替地读取参考构件的原件和参考表面。

    Image reading apparatus
    8.
    发明授权
    Image reading apparatus 有权
    图像读取装置

    公开(公告)号：US07982926B2

    公开(公告)日：2011-07-19

    申请号：US12128451

    申请日：2008-05-28

    申请人： Tetsurou Ishikawa ,  Tatsuya Nishi ,  Kazuhide Sugiyama

    发明人： Tetsurou Ishikawa ,  Tatsuya Nishi ,  Kazuhide Sugiyama

    IPC分类号： H04N1/04

    CPC分类号： H04N1/121 ,  H04N1/00909 ,  H04N1/123 ,  H04N1/125 ,  H04N1/193 ,  H04N2201/0081

    摘要： An image reading apparatus capable of preventing the occurrence of a streak and reading a quality image from the leading edge to the trailing edge of a original. An original is conveyed along a convey pass. The original being conveyed is guided by a guide member, at least part of the guide member being transparent. An image of the original being conveyed is read by an image sensor through the guide member. Airflow is generated, the airflow being blown into the convey pass from a location upstream in a conveying direction compared to a location of the image sensor. The guide member has a convex portion disposed at a location upstream in the conveying direction compared to the location of the image sensor.

    摘要翻译： 一种图像读取装置，其能够防止条纹的发生，并且从原稿的前端到后端读取质量图像。 原件沿着传送通道传送。 所传送的原稿由引导构件引导，引导构件的至少一部分是透明的。 被传送的原稿的图像由图像传感器通过引导构件读取。 产生气流，与图像传感器的位置相比，气流从输送方向上游的位置吹入输送通道。 与图像传感器的位置相比，引导构件具有设置在输送方向上游位置的凸部。

    IMAGE READING APPARATUS, IMAGE READING UNIT THEREOF, AND REFERENCE MEMBER THEREOF FOR SHADING CORRECTION
    9.
    发明申请
    IMAGE READING APPARATUS, IMAGE READING UNIT THEREOF, AND REFERENCE MEMBER THEREOF FOR SHADING CORRECTION 审中-公开
    图像读取装置，图像读取单元及其用于缩放校正的参考成员

    公开(公告)号：US20070223061A1

    公开(公告)日：2007-09-27

    申请号：US11689115

    申请日：2007-03-21

    申请人： Jun Tanaka ,  Takashi Machida ,  Shinobu Kato ,  Keiji Tsutaoka ,  Taketo Ochiai ,  Tetsurou Ishikawa

    发明人： Jun Tanaka ,  Takashi Machida ,  Shinobu Kato ,  Keiji Tsutaoka ,  Taketo Ochiai ,  Tetsurou Ishikawa

    IPC分类号： H04N1/04

    CPC分类号： H04N1/203 ,  H04N1/2034 ,  H04N2201/044

    摘要： An image reading apparatus which is capable of performing accurate shading correction with simple arrangement while preventing a reference member from being scratched and paper powder and the like dust from being deposited on the reference member. The image reading apparatus comprises an image reading unit. In the image reading unit, a contact glass guides an original on an image reading location. The contact glass is held by a glass holding member. A line image sensor reads the image on the original conveyed on the image reading location, through the contact glass. The image reading unit further comprises a reference member whose image is readable by the image sensor, and a moving mechanism to move the image sensor so as to enable the image sensor to alternatively read the original and a reference surface of the reference member.

    摘要翻译： 一种能够以简单的布置进行精确的阴影校正的图像读取装置，同时防止参考构件被划伤，并且纸粉等类似的灰尘沉积在基准构件上。 图像读取装置包括图像读取单元。 在图像读取单元中，接触玻璃将图像引导到图像读取位置。 接触玻璃由玻璃保持构件保持。 线形图像传感器通过接触玻璃读取图像读取位置上传送的原稿上的图像。 图像读取单元还包括其图像可由图像传感器读取的参考构件和移动机构，以移动图像传感器，以使得图像传感器能够交替地读取原稿和参考构件的参考表面。