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    • 112. 发明授权
    • Method of determining the orientation of fibers on the surface of paper
    • 确定纸表面纤维取向的方法
    • US5699163A
    • 1997-12-16
    • US549806
    • 1995-12-06
    • Hidenobu TodorokiYuji AbeAkira SakamotoNobuo Takeuchi
    • Hidenobu TodorokiYuji AbeAkira SakamotoNobuo Takeuchi
    • B41J11/00D06H3/08G01N21/21G01N21/86G01N21/55G01J4/00
    • B41J11/009G01N21/21G01N21/86G01N2021/8681
    • A method of determining the orientation of fibers on the surface of paper rather than measuring the orientation of fibers throughout the entire layer of paper is provided. In directing incident light Li from a projecting unit 6 to the surface 1a of the paper 1 to be measured at a given angle (.theta.i) of incidence and receiving by a receiving unit 7 the intensity of light reflected Lo by and off the surface 1a of the paper 1 at the same angle (.theta.o) of regular reflection as the angle (.theta.i) of incidence, the incident light Li containing at least the linearly polarized principal ray is allowed to be incident on the surface 1a of the paper 1, so that at least the linearly polarized principal ray can be received by the receiving unit 7 in the form of reflected light Lo, and the surface 1a of the paper 1 is inclined at an angle (.alpha.) of inclination around the line of intersection of a plane M of incidence and reflection through which the incident light Li and reflected light Lo pass with the surface 1a of the paper 1 while the paper 1 is rotated relative to the plane of incidence and reflection around the center axis of rotation defined by a line that passes through a center point 3 of the surface 1a of the paper 1 irradiated with the incident light and is vertical to the surface of the paper, whereby the fiber orientation on the surface 1a of the paper 1 can be found from the intensity of the reflected light Lo received by the receiving unit 7 corresponding to the angle of rotation of the paper 1.
    • PCT No.PCT / JP95 / 00668 Sec。 371 1995年12月6日第 102(e)日期1995年12月6日PCT 1995年4月6日PCT PCT。 WO95 / 27893 PCT出版物 日期1995年10月19日提供了确定纸表面上的纤维取向而不是测量整个纸层的纤维取向的方法。 在将入射光Li从投影单元6引导到待测量的纸张1的表面1a,以给定的入射角(θi)并由接收单元7接收由表面1a反射的光的强度 以与入射角(θi)相同的正反射角度(θo)的纸张1,允许至少含有线偏振主光线的入射光Li入射到纸张1的表面1a上 ,使得至少线状偏振主光线能够以反射光Lo的形式被接收单元7接收,并且纸张1的表面1a以围绕交线的倾斜角(α)倾斜 入射和反射的平面M,入射光Li和反射光Lo与纸1的表面1a通过的平面M,同时纸1相对于由lin定义的旋转中心轴线的入射平面和反射面旋转 e通过照射入射光的纸张1的表面1a的中心点3,并且垂直于纸张的表面,从而可以从纸张1的表面1a上的纤维取向 由接收单元7接收的与纸张1的旋转角度对应的反射光Lo。
    • 113. 发明授权
    • Apparatus for reproducing audio signal
    • 用于再现音频信号的装置
    • US4734795A
    • 1988-03-29
    • US734263
    • 1985-05-09
    • Takashi FukamiAkira SakamotoMasataka Yoritate
    • Takashi FukamiAkira SakamotoMasataka Yoritate
    • G09B5/04G10L21/04G11B19/26G11B19/28G11B20/10G11B27/00G11B27/30G11B5/00G11B5/08
    • G11B19/28G09B5/04G10L21/04G11B19/26G11B20/10527G11B27/005G11B27/3063G11B2220/2545
    • An audio signal reproducing apparatus includes a player unit (10) and a pitch conversion unit (20). The player unit (10) reproduces, at variable speed, audio signal data from a recording medium (11) on which the audio signal data has been recorded at a predetermined sampling frequency Fs. The pitch conversion unit (20) writes into a memory the reproduced audio signal data obtained by the player unit (10) by means of a write clock which corresponds to a reproduction sampling frequency fs and reads out the reproduced audio signal data from the memory by means of a read clock which corresponds to an oscillation frequency fp from an oscillator which oscillates at a predetermined sampling frequency Fs, thereby effecting pitch conversion processing with respect to the reproduced audio signal. The pitch conversion unit (20) is composed of a pitch conversion processor section (21) which effects pitch conversion processing with respect to the reproduced audio signal at any desired pitch conversion ratio, and a pitch ratio control section (22) which automatically sets the pitch conversion ratio in relation to the pitch conversion processor section to a predetermined value by means of a signal representing the start or end point of the reproduced audio signal.
    • PCT No.PCT / JP84 / 00433 Sec。 371日期1985年5月9日第 102(e)日期1985年5月9日PCT提交1984年9月10日PCT公布。 第WO85 / 01377号公报 日期:1985年3月28日。音频信号再现装置包括播放器单元(10)和音调转换单元(20)。 播放器单元(10)以可变速度再现来自其上已经以预定采样频率Fs记录音频信号数据的记录介质(11)的音频信号数据。 音调转换单元(20)通过与再现采样频率fs相对应的写入时钟向存储器写入由播放器单元(10)获得的再现的音频信号数据,并且从存储器读出再现的音频信号数据 读取时钟的装置对应于以预定采样频率Fs振荡的振荡器的振荡频率fp,从而对再现的音频信号进行音调转换处理。 音调转换单元(20)由音调转换处理器部分(21)组成,音调转换处理器部分以任何期望的音调转换比率对再现的音频信号进行音调转换处理,以及音调比率控制部分(22) 相对于音调转换处理器部分的音调转换比率通过表示再现的音频信号的开始或结束点的信号达到预定值。
    • 119. 发明授权
    • Image forming apparatus for performing a process of superimposing pixel data based on pixel direction
    • 用于执行基于像素方向叠加像素数据的处理的图像形成装置
    • US08547595B2
    • 2013-10-01
    • US12756778
    • 2010-04-08
    • Akira Sakamoto
    • Akira Sakamoto
    • H04N1/60
    • H04N1/58
    • A trapping determination process section calculates edge intensities in a main scanning direction and a sub scanning direction of each pixel by using differential filters for each color plane. The trapping determination process section determines, for at least two color planes, whether there is a pixel where the absolute values of the edge intensities are equal to or greater than a threshold and the edge intensities take positive and negative values, respectively. When such a pixel exists, the trapping determination process section calculates color differences between this pixel and the average values of the pixel values in an increment direction region and a decrement direction region, and determines a direction in which the color difference is smaller to be a similar color direction. The trapping determination process section determines, on the basis of the similar color direction, whether or not to perform a trapping process, and performs the trapping process.
    • 捕获判定处理部使用各色平面的差分滤波器来计算各像素的主扫描方向和副扫描方向的边缘强度。 捕获确定处理部分对于至少两个色平面确定是否存在其中边缘强度的绝对值等于或大于阈值并且边缘强度分别取正值和负值的像素。 当存在这样的像素时,捕获判定处理部分计算该像素与增量方向区域和减少方向区域中的像素值的平均值之间的色差,并且将色差较小的方向确定为 颜色方向相似。 捕获确定处理部基于相似的颜色方向来判定是否进行捕捉处理,进行捕捉处理。