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    • 34. 发明授权
    • Image forming apparatus for extracting hand-written image
    • 用于提取手写图像的图像形成装置
    • US08483483B2
    • 2013-07-09
    • US12766375
    • 2010-04-23
    • Kazuyuki Ohnishi
    • Kazuyuki Ohnishi
    • G06K9/34G06K9/18
    • H04N1/00374H04N1/00358H04N1/00376H04N2201/0094
    • An image forming apparatus that allows easy and reliable extraction of a hand-written image and allowing reliable execution of a desired process on image data based on the hand-written image is provided. For this purpose, during a mark adding process, a scanner unit and an image processing unit form YMCK data based on an original image; a specific area extracting unit extracts image data of a specific area from the YMCK data; a mark image adding unit combines image data of the specific area with the mark image data to form combined data; and a printer unit outputs a first image based on the combined data. During image processing of the specific area, the scanner unit forms RGB data based on the first image; the mark area extracting unit extracts image data of the mark area from the RGB data; the specific area image processing unit performs prescribed image processing on the image data of mark area; and the printer unit outputs a second image based on the YMCK data after the prescribed image processing.
    • 提供一种图像形成装置,其允许容易且可靠地提取手写图像并允许基于手写图像对图像数据进行可靠的执行。 为此,在标记添加过程中,扫描仪单元和图像处理单元基于原始图像形成YMCK数据; 特定区域提取单元从YMCK数据提取特定区域的图像数据; 标记图像添加单元将特定区域的图像数据与标记图像数据组合以形成组合数据; 并且打印机单元基于组合的数据输出第一图像。 在特定区域的图像处理期间,扫描器单元基于第一图像形成RGB数据; 标记区域提取单元从RGB数据提取标记区域的图像数据; 特定区域图像处理单元对标记区域的图像数据执行规定的图像处理; 并且打印机单元在规定的图像处理之后基于YMCK数据输出第二图像。
    • 35. 发明授权
    • Image processing apparatus
    • 图像处理装置
    • US08400672B2
    • 2013-03-19
    • US12009976
    • 2008-01-23
    • Kazuyuki Ohnishi
    • Kazuyuki Ohnishi
    • H04N1/00H04N1/40H04N1/387H04N1/04G06K9/36
    • H04N1/00846H04N1/00848H04N1/32122H04N2201/0082H04N2201/323H04N2201/3274H04N2201/328
    • The present invention provides specific image adding section for adding the specific image to inputted image data includes a first counter for deciding positions of a main scanning direction and a vertical scanning direction and a second counter for specifying a form of the specific image. The second counter counts up addresses of pixels with a starting point at one corner on a matrix made up of the main scanning direction and vertical scanning direction. If the first counter counts a predetermined count value, the second counter starts. When a maximum value of the count value of the second counter is equal to or less than a count set value, an image is formed on each of the pixels. The pixel on which the image is formed is changed and the form of the specific image is also changed by changing the count set value.
    • 本发明提供了一种用于将特定图像添加到输入图像数据的特定图像添加部分,包括用于确定主扫描方向和垂直扫描方向的位置的第一计数器和用于指定特定图像的形式的第二计数器。 第二计数器以由主扫描方向和垂直扫描方向构成的矩阵的一个角上的起始点计数像素的地址。 如果第一计数器计数预定计数值,则第二计数器启动。 当第二计数器的计数值的最大值等于或小于计数设定值时,在每个像素上形成图像。 形成图像的像素被改变,特定图像的形式也通过改变计数设定值而改变。
    • 40. 发明授权
    • Exposure device utilizing LEDs each having a plurality of luminescence
portions
    • 利用具有多个发光部分的LED的曝光装置
    • US5729269A
    • 1998-03-17
    • US571186
    • 1995-12-12
    • Kazuyuki OhnishiToshiaki KobayashiHideo MatsudaOsamu Fujimoto
    • Kazuyuki OhnishiToshiaki KobayashiHideo MatsudaOsamu Fujimoto
    • B41J2/52B41J2/44B41J2/45B41J2/455
    • B41J2/45
    • An image forming apparatus is provided with a photoreceptor, and an exposure device for exposing the photoreceptor based on image data so as to form an electrostatic latent image on the photoreceptor. The exposure device has a plurality of light emitting devices aligned along a main scanning direction of the photoreceptor, the respective light emitting devices having a plurality of luminescence portions, and a light emitting device driver for applying a voltage to the respective luminescence portions so that the luminescence area of the light emitting device increases step by step whenever the applied voltage increases by a predetermined voltage based on the image data. With the arrangement, tone expression is realized in the electrostatic latent image, according to the size of the luminescence area of the respective light emitting devices, which can be controlled by the voltage applied to the respective light emitting devices based on the image data. Accordingly, it is possible to form the electrostatic latent image having many tones on the photoreceptor based on image data accurately and easily.
    • 图像形成装置设置有感光体,以及用于基于图像数据曝光感光体以在感光体上形成静电潜像的曝光装置。 曝光装置具有沿着感光体的主扫描方向排列的多个发光器件,各发光器件具有多个发光部分,以及用于向各个发光部分施加电压的发光器件驱动器, 只要施加的电压基于图像数据增加预定电压,发光器件的发光面积逐渐增加。 利用该布置,根据可以基于图像数据施加到各个发光装置的电压来控制的各个发光器件的发光面积的大小,在静电潜像中实现色调表达。 因此,可以准确且容易地基于图像数据在感光体上形成具有许多色调的静电潜像。