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    • 1. 发明授权
    • Image processing apparatus which selects a type of color processing for
color image data based on a characteristic of the color image data
    • 图像处理装置,其基于彩色图像数据的特性来选择彩色图像数据的颜色处理的种类
    • US5552905A
    • 1996-09-03
    • US400382
    • 1995-03-03
    • Fumihiro Tanaka
    • Fumihiro Tanaka
    • G06T1/00H04N1/60G09G5/06H04N1/40H04N1/46
    • H04N1/6019
    • This invention has as its object to provide an image recording apparatus, which can omit a color processing calculation process for designated colors of an image when color processing results for all the colors, which may be designated upon image drawings, can be held, and can increase an image recording processing speed without impairing color reproducibility of an image. Upon conversion from color coordinate values in a color space for designating image colors of input image data from a host computer (2) into color coordinate values in a color space inherent to the recording apparatus, a CPU (1) registers, in a color processing table (7b), the color coordinate values in the color space inherent to the recording apparatus for all the colors input as image data, and performs color coordinate conversion by retrieving the color coordinate values held in the color processing table (7c) as much as possible upon execution of the color coordinate conversion in place of performing a color processing calculation in each conversion.
    • 本发明的目的是提供一种图像记录装置,其可以省略对图像的指定颜色的颜色处理计算处理,当可以保持图像可以指定的所有颜色的颜色处理结果时,可以 增加图像记录处理速度,而不损害图像的颜色再现性。 在将颜色空间中的颜色坐标值转换为用于将输入图像数据的图像颜色从主机(2)指定为记录装置固有的颜色空间中的颜色坐标值时,CPU(1)以颜色处理 表(7b)表示作为图像数据输入的所有颜色的记录装置固有的色彩空间中的色坐标值,并且通过将保持在颜色处理表(7c)中的颜色坐标值检索到多个 可以在执行颜色坐标转换时代替在每次转换中执行颜色处理计算。
    • 4. 发明授权
    • Color hard copy apparatus having simplified analog-to-digital conversion
with adjustable threshold levels
    • 彩色硬拷贝装置具有可调阈值水平的简化模数转换
    • US4821115A
    • 1989-04-11
    • US913684
    • 1986-09-30
    • Kenichi MatsushimaFumihiro TanakaKaneo YamaguchiYoshio ShimadaShinya Watanabe
    • Kenichi MatsushimaFumihiro TanakaKaneo YamaguchiYoshio ShimadaShinya Watanabe
    • G09G5/02G06K15/12H04N1/405H04N1/46H04N1/52
    • H04N1/52H04N1/4051
    • A color hard copy apparatus converts an analog video signal of a still picture frame displayed on a color graphic display into binary video data to obtain a multicolor gradation picture. A single analog-to-digital converter samples the analog video signal a plurality of times at respectively different threshold levels, each threshold level being maintained constant during the sampling of the entire picture frame, to convert the analog video signal into corresponding binary video data. The binary video data are written in a picture memory at predetermined write-in addresses according to a predetermined multicolor gradation picture program, such as an organized dither program or a density pattern, and the binary video data are read out of the picture memory according to the predetermined multicolor gradation picture program to obtain binary picture data signals for use in printing a high-quality multicolor gradation picture corresponding to the desired picture frame displayed on the color graphic display.
    • 彩色硬拷贝装置将显示在彩色图形显示器上的静止图像帧的模拟视频信号转换为二进制视频数据,以获得多色灰度图像。 单个模拟 - 数字转换器分别以不同的阈值电平对模拟视频信号进行多次采样,在整个画面帧的采样期间每个阈值电平保持恒定,以将模拟视频信号转换成对应的二进制视频数据。 根据预定的多色灰度图像程序,例如有组织的抖动程序或浓度图案,将二进制视频数据以预定的写入地址写入图像存储器中,并且根据图像存储器读出二进制视频数据 预定的多色灰度图像程序,以获得用于打印与彩色图形显示器上显示的期望图像帧相对应的高质量多色灰度图像的二值图像数据信号。
    • 5. 发明授权
    • Color image processing apparatus and method
    • 彩色图像处理装置及方法
    • US6088124A
    • 2000-07-11
    • US4515
    • 1998-01-08
    • Fumihiro Tanaka
    • Fumihiro Tanaka
    • B41J5/30G06T1/00G06T3/00G06T9/00H04N1/46H04N1/60H04N1/64G06K9/00
    • H04N1/644
    • A color image recording apparatus capable of reducing a memory area for storing input image data by storing the image data after converting them into indexes with a bit length shorter than that of the image data. It is decided whether or not color information just read has already been registered in a color information holding area, and if not, the color information is registered. Subsequently, it is decided whether the number of registrations of the color information exceeds an upper limit of registration, and if it exceeds, an error processing is carried out. In this case, neither the storing nor the drawing of the image data is performed. If the number does not exceed, an index attached to the color information data at the registration is stored in an image data holding area as pixel data of the image data.
    • 一种彩色图像记录装置,其能够通过在将图像数据转换成比图像数据的位长度缩小的索引之后存储图像数据来减少用于存储输入图像数据的存储区域。 判定刚刚读取的颜色信息是否已经登记在颜色信息保持区域中,如果不是,则登记颜色信息。 随后,确定颜色信息的登记数是否超过登记的上限,如果超过,则执行错误处理。 在这种情况下,不执行图像数据的存储和绘图。 如果该数量不超过,则附加到注册处的颜色信息数据的索引作为图像数据的像素数据存储在图像数据保持区域中。
    • 8. 再颁专利
    • Output method
    • 输出法
    • USRE37691E1
    • 2002-05-07
    • US08870365
    • 1997-06-06
    • Fumihiro Tanaka
    • Fumihiro Tanaka
    • G06K1500
    • G06K15/00G06F3/1296G06K2215/0011G06K2215/0085
    • An output apparatus comprises: a producing circuit for receiving code data indicative of a pattern to be generated and for producing a pattern based on the code data; an interruption instructing circuit for instructing the interruption of the outputting process; and a retreating circuit for retreating the code data which had already been received before the interruption was instructed in the case where the interruption has been instructed by the interruption instructing circuit. The code data is expressed by a page describing language. The preceding code data is retreated by a different data format when the outputting process has been interrupted. The recording process which has been interrupted can be restarted from the interrupted state by returning the retreated data from the auxiliary memory.
    • 输出装置包括:产生电路,用于接收代表要生成的模式的代码数据,并且用于基于代码数据产生模式; 指示输出处理中断的中断指示电路; 并且在中断指示电路指示了中断的情况下,指示了在中断之前已经接收到的代码数据的撤回电路。 代码数据由描述语言的页面表示。 当输出处理中断时,前一代码数据被不同的数据格式退回。 通过从辅助存储器返回退出的数据,可以从中断状态重新开始已中断的记录处理。
    • 10. 发明授权
    • Sampling clock generation circuit of video signal
    • 视频信号采样时钟发生电路
    • US4780759A
    • 1988-10-25
    • US912945
    • 1986-09-29
    • Kenichi MatsushimaFumihiro TanakaYoshio ShimadaKaneo YamaguchiShinya Watanabe
    • Kenichi MatsushimaFumihiro TanakaYoshio ShimadaKaneo YamaguchiShinya Watanabe
    • G06K15/12G09G5/12G09G5/18H03L7/08H03L7/081H03L7/18H04N5/14H04N5/91H04N5/932H04N11/04H04N7/08H04N7/093
    • H03L7/081H04N5/14H04N5/932
    • A recording apparatus receives a video signal containing a horizontal sync signal and a data signal comprised of a given number of image bit data arranged within each horizontal scanning period, and stores the number of image bit data in synchronization with the horizontal sync signal. A voltage-controlled oscillator produces in synchronization with the horizontal sync signal a frequency signal having a frequency higher than that of the sync signal. A divider frequency-divides the frequency signal by a given factor to produce a number of sampling pulses corresponding to the given number of image bit data. A data sampling circuit receives the data signal for sampling therefrom the number of image bit data in response to the corresponding sampling pulses to thereby write the image bit data into memory. Another divider frequency-divides the frequency signal by the product of the given factor and the given number to produce a feedback signal. A comparator compares the phase of the feedback and sync signals with each other to produce a control signal effective to maintain the VCO to continuously produce the frequency signal synchronized with the horizontal sync signal.
    • 记录装置接收包含水平同步信号的视频信号和由在每个水平扫描周期内排列的给定数量的图像比特数据构成的数据信号,并且与水平同步信号同步地存储图像比特数据的数量。 压控振荡器与水平同步信号同步产生频率高于同步信号频率的频率信号。 分频器将频率信号除以给定的因子以产生对应于给定数量的图像比特数据的多个采样脉冲。 数据采样电路响应于相应的采样脉冲接收用于从其中采样数据信号的数据信号,从而将图像位数据写入存储器。 另一个分频器将频率信号除以给定因子与给定数量的乘积,产生反馈信号。 比较器将反馈和同步信号的相位彼此进行比较,以产生有效地保持VCO以连续产生与水平同步信号同步的频率信号的控制信号。