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    • 61. 发明授权
    • Photosensor system and drive control method thereof
    • 光传感器系统及其驱动控制方法
    • US06888571B1
    • 2005-05-03
    • US09639041
    • 2000-08-15
    • Yasuo KoshizukaMakoto SasakiYoshiaki Nakamura
    • Yasuo KoshizukaMakoto SasakiYoshiaki Nakamura
    • H04N5/353H04N5/359H04N5/374H04N5/376H04N5/335
    • H04N5/3597H04N5/353H04N5/374H04N5/376
    • A photosensor system including a photosensor array having a plurality of photosensors arranged two-dimensionally comprises a driver circuit and a readout circuit for applying signal voltages to each photosensor, and also a control circuit having a function of controlling the voltages applied to each photosensor and adjusting the sensitivity of each photosensor. During an image reading operation and a reading operation for setting the sensitivity of each photosensor, a correction signal is generated, which has an effective voltage that can adjust an effective voltage, applied to each gate electrode of each photosensor, to 0 V, or to a value that minimizes degradation of the characteristics of each photosensor. This correction signal is applied to each gate electrode.
    • 包括具有二维布置的多个光电传感器的光电传感器阵列的光传感器系统包括用于向每个光传感器施加信号电压的驱动电路和读出电路,以及具有控制施加到每个光传感器的电压和调节 每个光电传感器的灵敏度。 在图像读取操作和用于设置每个光电传感器的灵敏度的读取操作的图像读取操作和读取操作期间,产生校正信号,其具有可以将施加到每个光电传感器的每个栅电极的有效电压的有效电压调节到0V,或者 这是使每个光电传感器的特性的劣化最小化的值。 该校正信号被施加到每个栅电极。
    • 63. 发明授权
    • Drive control method for photosensor system
    • 光传感器系统的驱动控制方法
    • US06859231B1
    • 2005-02-22
    • US09539210
    • 2000-03-30
    • Shinobu SumiYoshiaki Nakamura
    • Shinobu SumiYoshiaki Nakamura
    • H04N5/235H04N5/353H04N5/335
    • H04N5/353H01L27/1446H01L27/14643H01L27/14692H04N5/2351
    • In a photosensor system formed of a photosensor array including a plurality of photosensors arranged in a two dimensional direction, the intervals of the reset pulse, read pulse and pre-charge pulse applied to each row of the photosensor array are respectively set equal to the sum of the reset period, the read period, and the pre-charge period. It follows that even where the read processing time of a single screen is shortened by allowing the processing cycles for the rows to partially overlap with each other, the reset period, the pre-charge period and the read period are prevented from being overlapped in time with each other, making it possible to perform the read operation accurately.
    • 在由包括以二维方向布置的多个光电传感器的光电传感器阵列形成的光传感器系统中,分别设置施加到光电传感器阵列的每一行的复位脉冲,读取脉冲和预充电脉冲的间隔, 的复位期间,读取期间和预充电期间。 因此,即使通过允许行的处理周期彼此部分重叠来缩短单个屏幕的读取处理时间,也可以防止复位周期,预充电周期和读取周期在时间上重叠 彼此之间可以准确地执行读取操作。
    • 65. 发明授权
    • Photosensor system and drive control method thereof
    • 光传感器系统及其驱动控制方法
    • US06765610B1
    • 2004-07-20
    • US09695624
    • 2000-10-24
    • Yoshiaki Nakamura
    • Yoshiaki Nakamura
    • H04N5228
    • H04N5/228H04N5/2351H04N5/3532H04N5/374
    • This invention reads image data of a subject by performing pre-reading operation while changing the image reading sensitivity at a plurality of stages immediately before the start of normal reading operation of a subject image, calculates the absolute difference value between adjacent pixels of lightness data of the read image data, and sets as an optimal reading sensitivity an image reading sensitivity having a maximum absolute difference value among calculated absolute difference values in a photosensor system having a photosensor array constituted by two-dimensionally arraying a plurality of photosensors, a driver circuit for supplying a drive signal to the photosensors, and a controller for controlling reading operation of a subject image and sensitivity setting. Even when ambient light changes or the characteristics of the photosensor change, an optimal image reading sensitivity can be set in accordance with the changes. Further, even when a position where the subject is placed in the detection area of the photosensor array offsets from a normal position in performing pre-reading operation, and the read image data contains a background pattern together with the subject image, a proper image reading sensitivity can be extracted and set without any influence of the background pattern. An image reading sensitivity setting method having high reliability can be provided.
    • 本发明通过在对象图像的正常读取操作开始之前的多个阶段改变图像读取灵敏度的同时执行预读操作来读取对象的图像数据,计算相邻的亮度数据的像素之间的绝对差值 读取图像数据,并且将具有由二维排列多个光电传感器构成的光电传感器阵列的光传感器系统的计算出的绝对差值中具有最大绝对差值的图像读取灵敏度设置为最佳读取灵敏度,驱动器电路 向光电传感器提供驱动信号,以及用于控制被摄体图像的读取操作和灵敏度设置的控制器。 即使当环境光改变或光电传感器的特性改变时,也可以根据变化来设置最佳图像读取灵敏度。 此外,即使在执行预读操作时将被摄体放置在光传感器阵列的检测区域中的位置与正常位置偏移,并且读取的图像数据与被摄体图像一起包含背景图案,则适当的图像读取 可以提取和设置灵敏度,而不会影响背景图案。 可以提供具有高可靠性的图像读取灵敏度设定方法。
    • 68. 发明授权
    • Vapor growth apparatus having a diffuser section containing a flow
regulating member
    • 具有包含流量调节部件的扩散部的气相生长装置
    • US4993360A
    • 1991-02-19
    • US327895
    • 1989-03-23
    • Yoshiaki Nakamura
    • Yoshiaki Nakamura
    • C23C16/44C23C16/455C30B25/14
    • C23C16/45582C23C16/45591C30B25/14
    • A vapor growth apparatus comprising a reaction chamber including a gas inlet, a diffuser section, the cross section of which gradually increases in a direction of the flow of gas supplied from the gas inlet, and a reaction chamber, which is coupled to the diffuser section and in which a substrate on which a thin film is to be formed is arranged, and a flow regulating member arranged, within the diffuser section, to make the flow speed of gas passing over the substrate uniform in a direction perpendicular to the direction of the flow of the gas. The flow speed of gas flowing over the substrate is made uniform in a direction perpendicualr to the direction of the flow of the gas, so that a thin film can be uniformly formed on the substrate in a direction perpendicular to the direction of the flow of the gas.
    • 一种气相生长装置,包括反应室,该反应室包括气体入口,扩散器部分,其横截面在从气体入口供给的气体的流动方向上逐渐增加;反应室,其连接到扩散器部分 并且其中布置有要形成薄膜的基板,并且流量调节构件设置在扩散器部分内,以使得通过基板的气体的流速在垂直于该方向的方向上均匀 气流。 在衬底上流动的气体的流动速度在与气体流动方向垂直的方向上均匀,从而可以在垂直于流动方向的方向上的基板上均匀地形成薄膜 加油站。
    • 70. 发明授权
    • Method for evaluating life of cable insulating coating material
    • 电缆绝缘涂层材料寿命评估方法
    • US08668382B2
    • 2014-03-11
    • US13396199
    • 2012-02-14
    • Kyoko HonboMotoko HaradaHideto MomoseTakanori YamazakiDaisuke AbeYoshiaki Nakamura
    • Kyoko HonboMotoko HaradaHideto MomoseTakanori YamazakiDaisuke AbeYoshiaki Nakamura
    • G01N3/60G01N17/00
    • G01N25/00H01B3/30H01B7/28
    • Disclosed is a method for estimating, within a short time, the life of a cable insulating coating material containing an antioxidant in a suitable concentration based on the rate of decrease of the antioxidant and on the critical concentration of the antioxidant at which oxidative degradation rapidly proceeds. The method tests the coating material to examine its life, the coating material including a base polymer, and an antioxidant having a functional group suppressing an oxidative deteriorative reaction of the base polymer. The method includes performing a thermal degradation test on the coating material; determining the degradation levels and degradation rates of the coating material at two or more time points in the thermal degradation test, based on the ratio of the absorbance of the functional group of the antioxidant to the absorbance of the base polymer; and thereby evaluating the life of the coating material.
    • 公开了一种在短时间内基于抗氧化剂的降低速率和氧化降解快速进行的抗氧化剂的临界浓度估算含有抗氧化剂的电缆绝缘涂层材料的寿命的方法 。 该方法测试涂层材料以检查其寿命,包括基础聚合物的涂层材料和具有抑制基础聚合物的氧化劣化反应的官能团的抗氧化剂。 该方法包括对涂料进行热降解试验; 基于抗氧化剂的官能团的吸光度与基础聚合物的吸光度的比率,确定热降解试验中两个或更多个时间点的涂料的降解水平和降解速率; 从而评估涂料的使用寿命。