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    • 2. 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。
    • 3. 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。
    • 7. 发明申请
    • PLANAR LIGHTWAVE CIRCUIT AND OPTICAL RECEIVER
    • 平面灯电路和光接收器
    • US20140212137A1
    • 2014-07-31
    • US14348301
    • 2012-09-13
    • Shinya Watanabe
    • Shinya Watanabe
    • H04B10/69H04J14/06
    • H04B10/697G02B6/2773G02B6/4215H04B10/615H04J14/06
    • A planar lightwave circuit and an optical receiver which reduce degradation in signal quality is provided.A planar lightwave circuit includes: a substrate with a straight groove formed therein; a signal light input port which is formed in the substrate and receives signal light; a first planar filter part which is fitted into the groove and separates the signal light into a signal light component including a first polarization state and that including a second polarization state; a second planar filter part which is fitted into the groove and separates the local oscillator light into a local oscillator light component including the first polarization state and that including the second polarization state; a first interference part formed in the substrate; a second interference part which is formed on a side of the substrate opposite to the side of the first interference part across the groove; a first waveguide which is connected to the signal light input port and also to a reflection surface of the first planar filter part; a second and a third waveguide; a fourth waveguide which is connected to the local oscillator light input port and also to a reflection surface of the second planar filter part; and a fifth and a sixth waveguide.
    • 提供了降低信号质量降低的平面光波电路和光接收器。 平面光波电路包括:形成有直槽的基板; 信号光输入端口,其形成在所述基板中并接收信号光; 第一平面过滤器部件,其装配到所述槽中,并将所述信号光分离成包括第一偏振状态并且包括第二偏振状态的信号光分量; 第二平面过滤器部件,其装配到所述凹槽中,并将所述本地振荡器光分离成包括所述第一偏振状态并且包括所述第二偏振状态的本地振荡器光分量; 形成在所述基板中的第一干涉部; 第二干涉部,其形成在与所述第一干涉部的与所述凹槽的侧面相反的一侧上; 第一波导,其连接到信号光输入端口,并且还连接到第一平面滤波器部分的反射表面; 第二和第三波导; 第四波导,其连接到本地振荡器光输入端口,并且还连接到第二平面滤波器部分的反射表面; 以及第五和第六波导。
    • 8. 发明授权
    • Image formation device, image formation method and non-transitory storage medium storing image formation program
    • 图像形成装置,图像形成方法和存储图像形成程序的非暂时性存储介质
    • US08639138B2
    • 2014-01-28
    • US13112703
    • 2011-05-20
    • Tetsuya SonodaShinya WatanabeHirotaka Udagawa
    • Tetsuya SonodaShinya WatanabeHirotaka Udagawa
    • G03G15/00G03G15/20
    • G03G15/6529G03G15/6594G03G2215/00514G03G2215/00751G03G2215/00945G03G2215/00949
    • An image formation device includes a receiving section, a formation section, a fixing section, a switching section, and a controller. The receiving section receives image formation data including image data, and sheet data which includes designations of a sheet and a corresponding fixing pressure. The formation section forms a toner image on the sheet. The fixing section fixes the toner image on the sheet. The switching section switches the fixing pressure between a first or second fixing pressure. When the fixing pressure is switched to the second fixing pressure and the fixing pressure designated by the sheet data is the first fixing pressure, the controller performs a mandatory image formation that includes a low-speed control that conveys the sheet at a speed lower than that for the first fixing pressure, and/or a toner suppression control that performs image formation with a smaller amount of toner than in normal.
    • 图像形成装置包括接收部分,形成部分,固定部分,切换部分和控制器。 接收部分接收包括图像数据的图像形成数据和包括纸张的指定和相应的定影压力的纸张数据。 形成部分在片材上形成调色剂图像。 固定部分将调色剂图像固定在片材上。 切换部分在第一或第二固定压力之间切换固定压力。 当定影压力切换到第二定影压力并且由片材数据指定的定影压力是第一定影压力时,控制器执行强制性图像形成,其包括以低于该速度的速度传送纸张的低速控制的低速控制 用于第一定影压力和/或调色剂抑制控制,其以比正常情况更少量的调色剂进行图像形成。
    • 9. 发明申请
    • OPTICAL WAVEGUIDE DEVICE AND METHOD OF MANUFACTURING THEREOF
    • 光波导装置及其制造方法
    • US20120002931A1
    • 2012-01-05
    • US13256168
    • 2010-03-15
    • Shinya Watanabe
    • Shinya Watanabe
    • G02B6/02G02B6/136
    • G02B6/423
    • In an optical waveguide device of the present invention, optical element mount (17) includes first base block (19a) for supporting first optical element (18a) and second base block (19b) for supporting second optical element (18b) that has an active layer depth smaller than that of first optical element (18a). Second base block (19b) is formed from stacks of upper clad layers whose number of stacks is larger than that of first base block (19a). Difference (h1) in height between the first and second base blocks is equal to difference (d1−d2) in active layer depth between the first and second optical elements.
    • 在本发明的光波导装置中,光学元件安装件(17)包括用于支撑第一光学元件(18a)的第一基座块(19a)和用于支撑第二光学元件(18b)的第二基座块(19b) 层深度小于第一光学元件(18a)的深度。 第二基块(19b)由堆叠的堆叠数量大于第一基块(19a)的堆叠构成。 第一和第二基本块之间的高度差(h1)等于第一和第二光学元件之间有效层深度的差(d1-d2)。
    • 10. 发明授权
    • Optical waveguide device and manufacturing method thereof
    • 光波导器件及其制造方法
    • US08036507B2
    • 2011-10-11
    • US12501066
    • 2009-07-10
    • Shinya Watanabe
    • Shinya Watanabe
    • G02B6/26
    • G02B6/12004G02B6/423
    • An optical waveguide device includes: a substrate; an optical element arranged on the substrate; and an optical circuit part having an optical waveguide formed on the substrate. The optical circuit part includes: a core whose optical axis is matched with the optical element; and a dummy core arranged on a same layer to the core and exposed on a side being not opposed to the optical element when the optical element is arranged on the substrate. The relative position between the optical waveguide and the optical element can be recognized by observing the dummy core. The planar shape of the optical circuit has a convex portion. The width of the convex portion and the width of the optical element are same in the opposing edge face where the optical element and the core is opposed to one another.
    • 光波导装置包括:基板; 布置在所述基板上的光学元件; 以及在该基板上形成有光波导的光电路部。 光电路部分包括:光轴与光学元件匹配的芯; 以及当光学元件布置在基板上时,与核心布置在同一层上并且在与光学元件不相对的一侧上露出的伪芯。 可以通过观察虚拟核心来识别光波导与光学元件之间的相对位置。 光电路的平面形状具有凸部。 在光学元件和芯彼此相对的相对边缘面中,凸部的宽度和光学元件的宽度相同。