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    • 1. 发明授权
    • Image transmitting apparatus having improved coding of multi-valued
image data
    • 具有改进的多值图像数据编码的图像发送装置
    • US5319471A
    • 1994-06-07
    • US73628
    • 1993-06-08
    • Masahiro TakeiTadashi TakayamaHiroyuki HoriiNorio Kimura
    • Masahiro TakeiTadashi TakayamaHiroyuki HoriiNorio Kimura
    • H04N1/393H04N1/41H04N1/40
    • H04N1/3935H04N1/4105H04N2201/33321
    • An image transmitting apparatus for digitizing a still-picture television signal, a manuscript image signal or the like and transmitting the digitized signal over a line is adapted to read an analog image signal stored in video memory such as a video disk, convert the read analog image signal into a digitized multi-valued signal and store the multi-valued image signal in an image memory. On the basis of paper size on which printing is to be performed by an apparatus, such as a facsimile machine, on the receiving side, the number of pixels constituting the multi-valued image signal stored in the image memory and an ensuing binary coding method, a ratio is obtained at which the multi-valued image signal stored in the image memory is to be expanded or compressed, and the multi-valued image signal is expanded or compressed based on this ratio. The multi-valued image signal thus expanded or compressed is binary coded as by a dither method, and the binary-coded image data are transmitted to the facsimile machine on the receiving side through a line.
    • 用于数字化静止图像电视信号,原稿图像信号等并通过线路发送数字化信号的图像发送装置适于读取存储在诸如视频盘的视频存储器中的模拟图像信号,将读取的模拟 图像信号转换为数字化的多值信号,并将多值图像信号存储在图像存储器中。 基于在诸如传真机的设备在接收侧执行打印的纸张尺寸的基础上,构成存储在图像存储器中的多值图像信号的像素数量和随后的二进制编码方法 获得存储在图像存储器中的多值图像信号要被扩展或压缩的比率,并且基于该比率来扩展或压缩多值图像信号。 如此扩展或压缩的多值图像信号通过抖动方法进行二进制编码,并且二进制编码的图像数据通过一行被发送到接收侧的传真机。
    • 3. 发明授权
    • Bidirectional multi-pass inkjet printer suppressing density unevenness based on interval between scans
    • 基于扫描间隔的双向多通喷墨打印机抑制浓度不均匀
    • US08289571B2
    • 2012-10-16
    • US12498681
    • 2009-07-07
    • Hiroyuki HoriiHisashi Ishikawa
    • Hiroyuki HoriiHisashi Ishikawa
    • H04N1/034H04N1/60B41J2/21
    • H04N1/506G06K15/105H04N1/4015H04N1/603
    • An image forming apparatus includes a color converting unit 330 for subjecting the input image data to a color conversion in accordance with ink color and generating a print image 400; a print data generator 370-x for generating print data of each scan corresponding to multiple scans of the print image generated by the color converting unit 330; print controller 380-x for controlling at least one of the color converting unit 330 or print data generator 370-x based upon the input image data 320 or a position on a scanning line of each dot to be printed in the print image 400 generated by the color converting unit 330; and a printer engine 180 for printing on the print medium based upon the print data generated by the print data generator 370-x.
    • 图像形成装置包括颜色转换单元330,用于根据墨水颜色对输入的图像数据进行颜色转换并产生打印图像400; 打印数据生成器370-x,用于生成与由颜色转换单元330生成的打印图像的多次扫描对应的每个扫描的打印数据; 打印控制器380-x,用于基于输入图像数据320或打印在打印图像400中的每个点的扫描线上的位置来控制颜色转换单元330或打印数据生成器370-x中的至少一个, 颜色转换单元330; 以及打印机引擎180,用于基于由打印数据生成器370-x生成的打印数据在打印介质上进行打印。
    • 5. 发明授权
    • Image pickup sensor capable of selectively photographing an image pickup area in an interlacing operation
    • 图像拾取传感器能够选择性地拍摄隔行扫描操作中的图像拾取区域
    • US06597399B2
    • 2003-07-22
    • US08688946
    • 1996-07-31
    • Hiroyuki Horii
    • Hiroyuki Horii
    • H04N314
    • H04N5/3765H04N5/3454H04N5/3742
    • In order to select an image pickup area and execute an image pickup operation, or to perform an interlace operation, or to vary an image pickup frequency for one image pickup sensor, there is provided an image pickup apparatus constructed by a 2-dimensional solid state image pickup sensor in which pixel data instructed by horizontal and vertical shift registers is accessed and read out and a timing generator to drive the 2-dimensional solid state image pickup sensor. With respect to horizontal and vertical shift pulses which are supplied from the timing generator and drive horizontal and vertical shift registers of the 2-dimensional solid state image pickup sensor, periods of the horizontal shift pulses and/or the vertical shift pulses are made variable.
    • 为了选择图像拾取区域并执行图像拾取操作或执行隔行扫描操作或改变一个图像拾取传感器的图像拾取频率,提供了一种由二维固态构成的图像拾取装置 其中访问和读出由水平和垂直移位寄存器指示的像素数据的图像拾取传感器和用于驱动二维固态图像拾取传感器的定时发生器。 对于从定时发生器提供的水平和垂直移位脉冲以及驱动二维固态摄像传感器的水平和垂直移位寄存器,水平移位脉冲和/或垂直移位脉冲的周期是可变的。