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    • 1. 发明授权
    • Clock distributing method and apparatus
    • 时钟分配方法和装置
    • US5523984A
    • 1996-06-04
    • US189164
    • 1994-01-28
    • Hiroyuki SatoJinichi YoshizawaHiroomi TateishiHaruo YamashitaJunichi Tamura
    • Hiroyuki SatoJinichi YoshizawaHiroomi TateishiHaruo YamashitaJunichi Tamura
    • G06F1/10G04C11/00H03K3/16H03K5/15
    • G06F1/10
    • Disclosed is a clock distributing apparatus for distributing clock signals with a desired phase to each of devices provided between a clock generating section (10) for generating clock signals and a plurality of devices (30) for receiving the clock signals. A delay generating section (21) generates a plurality of delay clock signals by imparting a plurality of delay quantities to the clock signals from the clock generating section. A clock distributing section (22) has a plurality of input terminals corresponding to the plurality of delay clock signals and a plurality of output terminals corresponding to the respective devices. The clock distributing section (22) distributes desired delay clock signals to one or more output terminals by selecting the input terminals corresponding to the desired delay clock signals.
    • 公开了一种时钟分配装置,用于将具有所需相位的时钟信号分配给设置在用于产生时钟信号的时钟产生部分(10)和用于接收时钟信号的多个装置(30)之间的每个装置。 延迟生成部(21)通过对来自时钟发生部的时钟信号赋予多个延迟量来生成多个延迟时钟信号。 时钟分配部(22)具有与多个延迟时钟信号对应的多个输入端子和对应于各个装置的多个输出端子。 时钟分配部分(22)通过选择对应于期望的延迟时钟信号的输入端分配期望的延迟时钟信号到一个或多个输出端。
    • 2. 发明授权
    • Display device and display method
    • 显示设备和显示方式
    • US09214112B2
    • 2015-12-15
    • US13395842
    • 2010-09-29
    • Haruo YamashitaTakeshi Ito
    • Haruo YamashitaTakeshi Ito
    • G09G3/34G02F1/1335G09G3/20G09G3/36
    • G09G3/3426G02F1/1336G02F2001/133601G09G3/2051G09G3/3611G09G2310/0232G09G2320/0233G09G2320/0238G09G2320/0646G09G2360/16
    • Disclosed is a display device capable of compensating unevenness in brightness caused by physical restrictions of a display device or degradation in image quality caused by a partial reduction in contrast occurring in the local dimming technology using human visual characteristics. A liquid crystal panel (101) modulates illuminating light in accordance with the transmittance, and displays images on a screen. A backlight (102) emits the illuminating light to the liquid crystal panel (101) such that amounts of the illuminating light differ for each light emitting area of the screen. A backlight control unit (106) controls emission brightness of the backlight (102) for each light emitting area. A local gradation converting unit (104) performs gradation conversion on an image signal, and acquires a brightness value for each pixel after the conversion. A backlight driving unit (107) controls the transmittance for each pixel on the basis of the acquired brightness values after the conversion. The local gradation converting unit sets conversion characteristics for pixels to be processed in the image signal such that the brightness values of the pixels to be processed are low as the lightness of the periphery of the pixels to be processed is high, and performs gradation conversion using the set conversion characteristics.
    • 本发明公开了一种显示装置,其能够补偿由显示装置的物理限制引起的亮度不均匀性或由使用人的视觉特性的本地调光技术中的对比度部分减少引起的图像品质的劣化。 液晶面板(101)根据透射率调制照明光,并在屏幕上显示图像。 背光源(102)向液晶面板(101)发射照明光,使得照射光的量对于屏幕的每个发光区域而不同。 背光控制单元(106)控制每个发光区域的背光源(102)的发光亮度。 局部灰度转换单元(104)对图像信号执行灰度转换,并且获得转换后的每个像素的亮度值。 背光驱动单元(107)根据所获取的转换后的亮度值来控制每个像素的透射率。 本地灰度转换单元设置图像信号中要处理的像素的转换特性,使得要处理的像素的亮度值随着待处理像素的周围的亮度高而变低,并且使用 设定转换特性。
    • 5. 发明授权
    • Network relay apparatus and packet distribution method
    • 网络中继设备和分组分发方法
    • US08300526B2
    • 2012-10-30
    • US12627380
    • 2009-11-30
    • Shinichiro SaitoXiping LinHaruo Yamashita
    • Shinichiro SaitoXiping LinHaruo Yamashita
    • H04L12/26
    • H04L47/34H04L47/6255
    • The present invention provides a network relay apparatus capable of assuring the prevention of occurrence of order reversion of packets within flows and shifting a packet distribution destination according to load information. The network relay apparatus includes: a packet distribution processor for distributing input packets to thereby achieve load dispersion of packet processing; a statistical information collector for regularly collecting load conditions of respective packet processors; and a distribution information holder for retaining information for specifying the packet distribution destinations upon distribution of the packets. Information about the load conditions of the respective packet processors are compiled and distributed to the packet processor smallest in load. Timing provided to change the packet distribution destination is assumed to be given when a processing waiting queue does not include a packet corresponding to its flow.
    • 本发明提供一种网络中继装置,其能够确保防止流中的分组的顺序反转的发生,并根据负载信息移动分组分发目的地。 网络中继装置包括:分发分发处理器,用于分配输入分组,从而实现分组处理的负载分散; 用于定期收集各个分组处理器的负载状况的统计信息收集器; 以及分发信息保持器,用于在分发分发时保留用于指定分组分发目的地的信息。 关于相应分组处理器的负载条件的信息被编译并分发给负载最小的分组处理器。 当处理等待队列不包含对应于其流的分组时,假定提供用于改变分组分发目的地的定时。
    • 7. 发明申请
    • IMAGE DISPLAY DEVICE, CONTROL DEVICE FOR SAME, AND INTEGRATED CIRCUIT
    • 图像显示装置,用于相同的控制装置和集成电路
    • US20120105509A1
    • 2012-05-03
    • US13381625
    • 2010-06-30
    • Takeshi ItoHaruo Yamashita
    • Takeshi ItoHaruo Yamashita
    • G09G5/10
    • G09G3/3426G02F1/133603G02F2001/133601G02F2001/133613G09G2320/0646
    • Disclosed is an image display device having improved image qualities, while reducing power consumption. A backlight unit (20) includes a plurality of light sources disposed so as to form a plurality of light emission regions. A liquid crystal panel (10) displays an image by modulating light emitted from the backlight unit (20) in accordance with light emission transmissivity. A control unit (40) controls the light emission luminance value of the backlight unit (20) for each light emission region, and controls a liquid crystal display device (1). The control unit (40) calculates the light emission transmissivity, on the basis of the distances between the pixels of the liquid crystal panel (10) and the reference position(s) in one or more light emission regions, the luminance value of light that arrives the pixels, said luminance value being determined on the basis of the controlled light emission luminance value, and the image signals inputted to the pixels.
    • 公开了一种图像显示装置,其具有改善的图像质量,同时降低功耗。 背光单元(20)包括设置成形成多个发光区域的多个光源。 液晶面板(10)通过根据发光透射率调制从背光单元(20)发出的光来显示图像。 控制单元(40)对每个发光区域控制背光单元(20)的发光亮度值,并控制液晶显示装置(1)。 控制单元(40)基于液晶面板(10)的像素与一个以上的发光区域的基准位置之间的距离来计算发光透射率,光的亮度值 到达像素,所述亮度值是根据受控发光亮度值和输入到像素的图像信号确定的。
    • 9. 发明申请
    • DYNAMIC RANGE COMPRESSION APPARATUS, DYNAMIC RANGE COMPRESSION METHOD, COMPUTER-READABLE RECORDING MEDIUM, INTEGRATED CIRCUIT, AND IMAGING APPARATUS
    • 动态范围压缩装置,动态范围压缩方法,计算机可读记录介质,集成电路和成像装置
    • US20090295937A1
    • 2009-12-03
    • US12475958
    • 2009-06-01
    • Daisuke SatoHaruo YamashitaTakeshi Ito
    • Daisuke SatoHaruo YamashitaTakeshi Ito
    • H04N5/228G06K9/36
    • H04N5/235H04N5/20
    • A dynamic range (D-range) compression apparatus that uses a look-up table (LUT) is capable of dynamic compression that compresses the peak input value to the full output range, even when image signals with variable D-ranges are inputted.According to this D-range compression apparatus, D-range compression processing that places the D-range of the image signal within a predetermined output D-range is performed by the visual processing unit converting the tone of the image signal in accordance with the surrounding average luminance signal. Furthermore, with this D-range compression apparatus, the image signal is amplified in accordance with amplification input/output conversion characteristics determined based on the peak value in the image detected by the peak detection unit, and therefore it is possible to perform a dynamic amplification processing in accordance with the peak value so that the D-range of the image signal outputted from the visual processing unit becomes a predetermined output D-range.
    • 使用查找表(LUT)的动态范围(D范围)压缩装置能够进行动态压缩,即使当输入具有可变D范围的图像信号时,也可以将峰值输入值压缩到全部输出范围。 根据该D档压缩装置,将图像信号的D范围设定在预定的输出D范围内的D范围压缩处理由视觉处理部根据周围的图像信号的色调 平均亮度信号。 此外,利用该D范围压缩装置,根据由峰值检测单元检测到的图像中的峰值确定的放大输入/输出转换特性来放大图像信号,因此可以执行动态放大 根据峰值进行处理,使得从可视处理单元输出的图像信号的D范围变为预定的输出D范围。
    • 10. 发明授权
    • Image processing device
    • 图像处理装置
    • US07583403B2
    • 2009-09-01
    • US10527661
    • 2003-09-11
    • Takeshi ItoHaruo Yamashita
    • Takeshi ItoHaruo Yamashita
    • H04N1/40
    • H04N9/68H04N1/62H04N1/628H04N9/643
    • An image processing apparatus of correcting the color of a specific range of a pixel signal for each pixel included in an input image signal, comprises an intensity determination means of generating a correction intensity that is small on the periphery of the color region of the specific range on the basis of two chromaticity signals excluding a luminance component and large in the vicinity of the nearly central portion of the range in the pixel signal, a target color setting means of setting a target color depending on which the pixel signal is corrected, a correction degree setting means of setting correction degree by also using information, other than pixel information, included in the pixel signal, and a correction means of making the image signal close to the target color depending on the correction intensity output from the intensity determination means and the correction degree output from the correction degree setting means.
    • 一种用于校正包括在输入图像信号中的每个像素的像素信号的特定范围的颜色的图像处理装置,包括:强度确定装置,其产生在特定范围的颜色区域的周围较小的校正强度 基于除了像素信号的范围的近似中心部分附近的亮度分量和大的两个色度信号,根据哪个像素信号进行校正来设定目标色彩的目标色彩设定装置,校正 通过还使用包括在像素信号中的除了像素信息之外的信息来设置校正度的度数设置装置,以及根据从强度确定装置输出的校正强度使得图像信号接近目标颜色的校正装置, 从校正度设定单元输出校正度。