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    • 1. 发明授权
    • Image reading device, image reading method, and image forming system
    • 图像读取装置,图像读取方法和图像形成系统
    • US06614564B1
    • 2003-09-02
    • US09389589
    • 1999-09-03
    • Yasunobu Sakaguchi
    • Yasunobu Sakaguchi
    • H04N104
    • H04N1/40H04N1/00002H04N1/00013H04N1/00031H04N1/00047H04N1/0005H04N1/00063H04N1/00082H04N2201/0408H04N2201/0458
    • A verification screen is displayed by using information obtained by prescanning. On the basis of a print magnification, fine scanning conditions are computed, and a determination is made as to whether or not a density of an image obtained by prescanning is greater than or equal to a predetermined value. If the density of the image obtained by prescanning is not greater than or equal to the predetermined value, fine scanning is carried out in accordance with fine scan conditions. If the density of the image obtained by prescanning is greater than or equal to the predetermined value, the image is read at a charge accumulating time which is longer than a charge accumulating time during fine scanning and at a conveying speed which is slower than a conveying speed during fine scanning.
    • 通过使用通过预扫描获得的信息显示验证屏幕。 基于打印放大率,计算精细扫描条件,并且确定通过预扫描获得的图像的浓度是否大于或等于预定值。 如果通过预扫描获得的图像的浓度不大于或等于预定值,则精细扫描根据精细扫描条件进行。 如果通过预扫描获得的图像的浓度大于或等于预定值,则在精细扫描期间比在电荷累积时间长的电荷累积时间读取图像,并且以比传送速度慢的传送速度读取图像 精细扫描时的速度。
    • 5. 发明授权
    • Image inputting apparatus
    • 图像输入装置
    • US5767989A
    • 1998-06-16
    • US720871
    • 1996-10-03
    • Yasunobu Sakaguchi
    • Yasunobu Sakaguchi
    • G03B13/36G02B7/28G03B27/32G03B27/34H04N1/04H04N1/195G01J1/36G01N21/86H04N5/253
    • H04N1/195H04N2201/0406H04N2201/0408
    • The improved image inputting apparatus for reading the image recorded on a transmission original comprises: a light source; an image sensor for photoelectrically reading the light that has issued from the light source and which has been transmitted through the original; an imaging lens for permitting the transmitted light to be focused on the image sensor; a focusing device for automatically adjusting a focus of the imaging lens; and a control device for controlling the focusing device before starting the reading of a new image group such that only the first frame of the image group is subjected to one-step automatic focusing or two-step automatic focusing consisting of coarse and fine adjustments whereas the other frames are not subjected to focusing but image reading is performed adopting the focus state of the first frame or are subjected to automatic focusing comprising only fine adjustment. The apparatus can allow projecting light that bears the image recorded on strips or slides to form a satisfactorily and accurately focused image on an image sensor such as CCD sensor, and also permit rapid and efficient image reading and thereby contribute to an improvement in the efficiency with which output images can be produced.
    • 用于读取记录在发送原稿上的图像的改进的图像输入装置包括:光源; 用于光电读取已经从光源发出并且已经透过原稿的光的图像传感器; 用于允许透射的光聚焦在图像传感器上的成像透镜; 用于自动调节成像透镜的焦点的聚焦装置; 以及用于在开始读取新图像组之前控制聚焦装置的控制装置,使得只有图像组的第一帧经受一步自动对焦或由粗调和微调进行的两步自动对焦,而 其他框架不进行聚焦,而是采用第一帧的聚焦状态进行图像读取,或者进行仅包括微调的自动聚焦。 该装置可以允许投影光束记录在条形图像或幻灯片上,以在诸如CCD传感器的图像传感器上形成令人满意且精确地聚焦的图像,并且还允许快速且高效的图像读取,从而有助于提高效率, 可以产生输出图像。
    • 8. 发明授权
    • Image reading apparatus and image reading method
    • 图像读取装置和图像读取方法
    • US07206103B2
    • 2007-04-17
    • US10693934
    • 2003-10-28
    • Yasunobu Sakaguchi
    • Yasunobu Sakaguchi
    • H04N1/04
    • H04N1/00588H04N1/00602H04N1/00649H04N1/0473H04N1/12H04N1/193H04N3/38H04N9/11H04N2201/0416H04N2201/04756
    • After prescan of a plurality of images on a photographic film, designation of an image to be processed and verification of the image to be processed, the photographic film is conveyed at high speed to a position where the reading conditions for the image to be processed can be set. When reading the image to be processed, the photographic film is conveyed at the same conveying speed as at the time of fine scan, and from the time point when the reading is complete, the high speed conveying of the photographic film is resumed and the photographic film is delivered. In a case where adjacent images are designated as the images to be processed, an operation similar to the one described above is performed until completion of reading the images to be processed, and then, the images to be processed are fine scanned after returning the photographic film to a position where the reading conditions for the images to be processed can be set.
    • 在摄影胶片上的多个图像的预扫描之后,要处理的图像的指定和要处理的图像的验证,摄影胶片被高速地传送到要处理的图像的读取条件可以 被设置。 当读取要处理的图像时,照相胶片以与精细扫描时相同的传送速度传送,并且从读取完成的时间点开始,照相胶片的高速传送被恢复并且照相 电影交付。 在相邻图像被指定为要处理的图像的情况下,执行与上述相似的操作,直到完成读取要处理的图像,然后在返回拍摄之后对要处理的图像进行精细扫描 胶片到可以设置要处理的图像的读取条件的位置。
    • 10. 发明授权
    • Image reading apparatus, original reading method and original conveyance apparatus
    • 图像读取装置,原始读取方式和原始输送装置
    • US06819799B1
    • 2004-11-16
    • US09356681
    • 1999-07-19
    • Yasunobu Sakaguchi
    • Yasunobu Sakaguchi
    • G06K936
    • H04N1/02409G03B2206/00H04N1/028H04N2201/0404H04N2201/0416
    • Prior to the image reading processing, a focusing point for each optical magnification that can be set for fine scan is stored. At the time of image reading processing, all images of a photographic film are prescanned after setting reading conditions for prescan, and image verification processing is executed after various setup processes. Thereafter, autofocusing processing is executed with a chart in a film carrier as an object, and then the photographic film begins to be conveyed in the reverse direction for fine scan processing. In cases where the optical magnification of an image next to be read is different from the present optical magnification at the time of fine scanning, the position of each portion is set based on the focusing points stored in advance.
    • 在图像读取处理之前,存储可以设置为精细扫描的每个光学倍率的聚焦点。 在图像读取处理时,在设置预扫描的读取条件之后,对照相胶卷的所有图像进行预处理,并且在各种设置处理之后执行图像验证处理。 此后,以胶片载体中的图表作为对象来执行自动聚焦处理,然后以相反的方向开始照相胶片进行精细扫描处理。 在接下来要读取的图像的光学倍率与精细扫描时的当前光学倍率不同的情况下,基于预先存储的聚焦点来设定各部分的位置。