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11. 发明专利

JP2508899B2 失效
公开(公告)号：JP2508899B2
公开(公告)日：1996-06-19
申请号：JP19748290
申请日：1990-07-23
申请人： MITSUBISHI ELECTRIC CORP
发明人： KAI TOSHIHIRO
IPC分类号： H04N9/78

12. 发明专利

JPH0490289A LUMINANCE SIGNAL CHROMINANCE SIGNAL SEPARATION FILTER 失效
公开(公告)号：JPH0490289A
公开(公告)日：1992-03-24
申请号：JP20627290
申请日：1990-08-01
申请人： MITSUBISHI ELECTRIC CORP
发明人： KAI TOSHIHIRO
IPC分类号： H04N9/78
摘要： PURPOSE:To reduce dot disturbance by comparing non-correlation energy in horizontal and vertical directions as to a noted sampling point, deciding the quantity of the correlation in the horizontal and vertical directions and selecting a chrominance signal having a larger correlation among 1st-3rd chrominance signal based on the result of discrimination. CONSTITUTION:A picture correlation discrimination circuit 18 selects a 1st chrominance signal extracted by a horizontal direction chrominance signal extraction filter 19 when a sampled value of a sampling point of interest has a weak correlation in the vertical direction and has a strong correlation in the horizontal direction. The picture correlation discrimination circuit 18 selects a 2nd chrominance signal extracted by a vertical direction chrominance signal extraction filter 16 when the sampled value of the noted sampling point has a weak correlation in the horizontal direction and has a strong correlation in the vertical direction. In other cases, the picture correlation discrimination circuit 18 selects a 3rd chrominance signal extracted by a horizontal vertical direction chrominance signal extraction filter 17. Thus, the effect of leakage onto mutual channels of the luminance signal and the chrominance signal in a region where a picture change is rapid in the vertical direction is reduced to decrease dot disturbance.

13. 发明专利

JPH03293889A LUMINANCE SIGNAL/CHROMINANCE SIGNAL SEPARATION FILTER 失效
公开(公告)号：JPH03293889A
公开(公告)日：1991-12-25
申请号：JP9673390
申请日：1990-04-11
申请人： MITSUBISHI ELECTRIC CORP
发明人： KAI TOSHIHIRO , ISOMURA MASAICHI
IPC分类号： H04N9/78
摘要： PURPOSE:To reduce the influence of leakage of a luminance signal and a chrominance signal to mutual channels and to reduce dot disturbance by using a luminance signal/chrominance signal filter properly based on the correlation of the image in the vertical and horizontal directions of a composite color television signal, CONSTITUTION:When low correlation in the vertical direction and high correlation in the horizontal direction exist in a remarked sampling point, the chrominance signal is separated by a horizontal di rection chrominance signal extraction filter 19, and when the low correlation in the horizontal direction and the high correlation in the vertical direction exist in the remarked sampling point, the chrominance signal is separated by a vertical direction chrominance signal extraction filter 16. This filter is comprised in such a way that the chrominance signal is separated by a horizontal and vertical direction chrominance signal extraction filter 17 when neither correlation exists. Thereby, it is possible to reduce the influence of the leakage of the luminance signal and the chrominance signal in an area where the image in the vertical direction is changed steeply to the mutual channels, and to reduce the dot disturbance.

14. 发明专利

JPH0377399A OPERATION PANEL 失效
公开(公告)号：JPH0377399A
公开(公告)日：1991-04-02
申请号：JP21365789
申请日：1989-08-19
申请人： MITSUBISHI ELECTRIC CORP
发明人： KAI TOSHIHIRO , TSUJI SHIGEKI
IPC分类号： G11B33/02 , H05K5/02
摘要： PURPOSE:To enhance the area of an operation part without changing the shape of an electronic device body considerably by providing the device with a drawing-type arm which can be drawn out of the inside of the electronic device body and also can be contained inside that and an operation panel block which is attached rotatably to the arm through a rotation shaft and has operation planes on both sides. CONSTITUTION:When an arm 2 and an operation panel block 3 are drawn, operation at the upper side of the operation panel block 3 can be done. Furthermore, when the operation panel block 3 is rotated by 180 deg. around a rotation shaft 4, operation at the underside can be done. A control signal from the operation panel is led to the outside of the arm 2 by a brush 5 fixed to the operation panel block 3, a slip ring 6 being in contact constantly with the brush 5 fixed to the rotation shaft 4, and an electric signal wire 7 fixed to the ring 6 and led inside the rotation shaft 4 and the arm 2.

15. 发明专利

JP2009159337A Video signal processing apparatus, video signal processing method and video signal display apparatus 有权
标题翻译：视频信号处理装置，视频信号处理方法和视频信号显示装置
公开(公告)号：JP2009159337A
公开(公告)日：2009-07-16
申请号：JP2007335434
申请日：2007-12-27
申请人： Mitsubishi Electric Corp , 三菱電機株式会社
发明人： ASAMURA MASAKO , MINAMI KOJI , KAI TOSHIHIRO
IPC分类号： H04N5/21 , H04N7/01
摘要： PROBLEM TO BE SOLVED: To obtain a progressive signal in which harmful effects such as tailing and an afterimage are reduced, by executing non-circular noise removal by using a delay signal common to noise removal processing and three-dimensional IP conversion processing without substantially increasing a circuit scale. SOLUTION: A video signal processing apparatus is provided with a non-circular noise removal processing means (20) for removing noise by performing filtering processing by signals of a plurality of fields where a pixel in a picture exists on the same position and a three-dimensional IP conversion processing means (65) for performing three-dimensional scanning line conversion by a noise-removed signal outputted from the non-circular noise removal processing means (20) when an interlace signal is inputted; wherein a progressive signal outputted from the three-dimensional IP conversion processing means (65) and the noise-removed signal outputted from the non-circular noise removal processing means (20) are switched by a switching means (62). COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：为了获得通过使用噪声去除处理和三维IP转换处理共同的延迟信号执行非圆形噪声去除来减少诸如拖尾和残影之类的有害影响的逐行信号而不会显着增加电路规模。解决方案：视频信号处理装置具有非圆形噪声去除处理装置（20），用于通过多个场中的信号进行滤波处理来消除噪声，其中图像中的像素存在于同一位置，三维IP转换处理装置，用于当输入隔行扫描信号时，通过从非环形噪声去除处理装置输出的去噪信号进行三维扫描行转换; 其中由三维IP转换处理装置输出的逐行信号和从非圆形噪声去除处理装置输出的噪声除去信号由切换装置切换。版权所有（C）2009，JPO＆INPIT

16. 发明专利

JP2008271492A Noise reducer and reducing method for television video signal 有权
标题翻译：用于电视视频信号的噪声减少和减少方法
公开(公告)号：JP2008271492A
公开(公告)日：2008-11-06
申请号：JP2007297668
申请日：2007-11-16
申请人： Mitsubishi Electric Corp , 三菱電機株式会社
发明人： FUJIWARA TAKU , KAI TOSHIHIRO , MINAMI KOJI , YASUI HIRONOBU
IPC分类号： H04N5/21
摘要： PROBLEM TO BE SOLVED: To achieve noise reduction, for television video signals, without changing processing between stationary and moving parts of a picture, further while suppressing deterioration of image quality in the motion picture as much as possible, and also without using a complicated algorithm.
SOLUTION: The sum of absolute differences between a center block centered on the pixel of interest and eight neighboring blocks centered on surrounding pixels are calculated (3), the direction with the least sum of the absolute differences is determined as a direction of correlation (4), and a weighted average is calculated using pixels located in the direction of correlation (5) and defined as an output signal value.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题为了实现噪声降低，对于电视视频信号，在不改变图像的静止和移动部分之间的处理的同时，尽可能地抑制运动图像中的图像质量的劣化，并且还不使用一个复杂的算法。解决方案：计算以感兴趣像素为中心的中心块和以周围像素为中心的八个相邻块之间的绝对差的总和（3），具有绝对差的最小和的方向被确定为相关（4），并且使用位于相关方向（5）的像素计算加权平均值，并将其定义为输出信号值。版权所有（C）2009，JPO＆INPIT

17. 发明专利

JP2007158991A Motion detection circuit and luminance signal/chrominance signal separation circuit 有权
标题翻译：运动检测电路和发光信号/色度信号分离电路
公开(公告)号：JP2007158991A
公开(公告)日：2007-06-21
申请号：JP2005354438
申请日：2005-12-08
申请人： Mitsubishi Electric Corp , 三菱電機株式会社
发明人： KAI TOSHIHIRO , ASAMURA MASAKO , SAKUWA CHIHIRO , MINAMI KOJI , YAMAKAWA MASAKI , AZUMA SOUICHIRO , MIMURA KENTARO
IPC分类号： H04N9/78
摘要： PROBLEM TO BE SOLVED: To realize motion detection so as not to reduce detection performance while reducing required memory capacitance in motion detection for a three-dimensional YC separation circuit.
SOLUTION: A differential (11) between a composite color television signal (VSO) and a delay signal (VS1) thereof is computed, a low frequency component and a frequency component near a color subcarrier frequency are extracted from the differential (12, 13) and these components are combined to generate a motion detecting signal (15). A high-frequency luminance component is then extracted from the composite color television signal (VSO) and a delay signal (VS1, VS1) thereof (14), the high-frequency luminance component being greater as a motion in a signal of each pixel is less or an oblique streak component formed from the detected luminance signal near the color subcarrier frequency is greater, and the motion detecting signal is reduced when the extracted high-frequency luminance component is great.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：实现运动检测，以便在三维YC分离电路的运动检测中减少所需的存储电容的同时不降低检测性能。解决方案：计算复合彩色电视信号（VSO）和延迟信号（VS1）之间的差分（11），从差分（12）中提取低频分量和彩色副载波频率附近的频率分量，13）并且这些分量被组合以产生运动检测信号（15）。然后从复合彩色电视信号（VSO）及其延迟信号（VS1，VS1）（14）中提取高频亮度分量，高频亮度分量作为每个像素的信号中的运动更大由彩色副载波频率附近的检测到的亮度信号形成的较小的或者倾斜的条纹分量较大，并且当所提取的高频亮度分量较大时运动检测信号被减小。版权所有（C）2007，JPO＆INPIT

18. 发明专利

JP2005331647A Image data processing apparatus and image display apparatus 审中-公开
标题翻译：图像数据处理装置和图像显示装置
公开(公告)号：JP2005331647A
公开(公告)日：2005-12-02
申请号：JP2004148925
申请日：2004-05-19
申请人： Mitsubishi Electric Corp , 三菱電機株式会社
发明人： KAI TOSHIHIRO , YAMAKAWA MASAKI , MINAMI KOJI , ASAMURA MASAKO , SAKUWA CHIHIRO
IPC分类号： G09G3/36 , G09G3/20
摘要： PROBLEM TO BE SOLVED: To provide an image display apparatus at low cost in which a moving picture is displayed in high definition quality with a high speed response time and in which a still picture is superimposed to the moving picture by extending and processing a compressed still picture data.
SOLUTION: When a still picture display signal for instructing that the still picture is displayed is input from outside, as a picture memory 102 is used for extending processing, a picture memory control circuit 104 stops using it for storing a digital picture data of one frame portion output from an A/D converting circuit 100 until the completion of the extending processing. A composing circuit 103 composes the digital still picture data restored by a still picture processing circuit and a digital picture data output from the A/D converting circuit.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：解决的问题：提供一种低成本的图像显示装置，其中以高速度响应时间以高清晰度质量显示运动图像，并且通过扩展和处理将静态图像叠加到运动图像上压缩的静止图像数据。解决方案：当从外部输入用于指示静止图像的静止图像显示信号时，当图像存储器102用于扩展处理时，图像存储器控制电路104停止使用它来存储数字图像数据从A / D转换电路100输出的一个帧部分直到完成扩展处理。合成电路103构成由静止图像处理电路恢复的数字静止图像数据和从A / D转换电路输出的数字图像数据。版权所有（C）2006，JPO＆NCIPI

19. 发明专利

JP2002209123A VIDEO SIGNAL PROCESSOR 失效
公开(公告)号：JP2002209123A
公开(公告)日：2002-07-26
申请号：JP2001004602
申请日：2001-01-12
申请人： MITSUBISHI ELECTRIC CORP
发明人： KAI TOSHIHIRO
IPC分类号： H04N5/16 , G09G5/00 , G09G5/02
摘要： PROBLEM TO BE SOLVED: To reduce the capacity of the memory of a digital circuit for correcting the black level of a digital luminance signal. SOLUTION: A video signal processor for correcting the black level of a digital luminance signal included in a digital video signal is provided with a memory means (1) in which input/output character data for nonlinearly converting the digital luminance signal to be inputted, a comparing means (6) for comparing the value of the digital luminance signal to be inputted with the first fixed value, a weighting means (2) for weighting the nonlinearly converted digital luminance signal to be outputted from the memory means with a weighting signal supplied from outside, a switching means (4) for selecting one of the value of the weighted digital luminance signal outputted from the weighting means and the second fixed value according to the comparing result of the comparing means and outputting it, and a multiplying means (5) for multiplying the output of the switching means and the digital luminance signal to be inputted.

20. 发明专利

JP2001218173A CIRCUIT AND METHOD FOR CONVERTING SAMPLING FREQUENCY 失效
公开(公告)号：JP2001218173A
公开(公告)日：2001-08-10
申请号：JP2000023487
申请日：2000-02-01
申请人： MITSUBISHI ELECTRIC CORP
发明人： KAI TOSHIHIRO , YAMAMOTO YUJI , MIMURA YOSHIAKI
IPC分类号： H04N19/59 , H04N7/01 , H04N7/24 , H04N19/00
摘要： PROBLEM TO BE SOLVED: To realize a sampling frequency converting circuit by a simple circuit configuration. SOLUTION: The circuit is provided with a count part 1 for permitting a number as a count maximum value, which is obtained by dividing a pixel number S2 in a horizontal effective video period in the case of sampling by the second sampling frequency (or a pixel number H2 in a horizontal scanning period) by the common divisor of the pixel number S2 (or H2) and of a pixel number in a horizontal effective video period (or horizontal scanning period) in the case of sampling by the first sampling frequency, and for repeatedly performing counting to the count maximum value, with a decoding signal generating part 4 for generating a decoding signal (e) corresponding to the count value (d) by the count part 1 and a digital filter part 2 which is provided with a plurality of digital filters to process a digital picture data signal (b) which is sampled by the first sampling frequency by the digital filter selected in accordance with the decoding signal (e) and to convert the digital picture data signal (b) into a digital picture data signal (g) which is sampled by the second sampling frequency.

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