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    • 6. 发明授权
    • Method of analyzing factors affecting product quality and adjusting
molding conditions for injection molding machine
    • 分析影响产品质量和调整注塑机成型条件的因素
    • US5815397A
    • 1998-09-29
    • US666370
    • 1996-06-27
    • Osamu SaitoHiroshi WatanabeKenji Araki
    • Osamu SaitoHiroshi WatanabeKenji Araki
    • B22D17/32B29C45/76G06F19/00
    • B29C45/7686B29C45/766
    • A method of analyzing factors affecting the product quality performs adjustment of molding conditions for an injection molding machine. Data effective to discriminate the product quality is properly selected, and molding conditions for eliminating a molding abnormality are easily determined for an appropriate adjustment of the molding conditions. First and second principal component axes are defined by obtaining correlation coefficients indicating correlations of variations of plural conditions related to an injection molding operation, and performing a principal component analysis. Points representing dispersion of various conditions with respect to each principal component axis, are plotted on a rectangular coordinate system. The characteristic of variation tendency of data of the various conditions is synthetically evaluated on the basis of the first and second principal components which are most affecting the variation of data of the various conditions. The selection of the detected data for discriminating the product quality and the molding conditions to be adjusted is made easy, so that the discrimination of the product quality and adjustment of the molding conditions are simplified.
    • PCT No.PCT / JP95 / 02182 Sec。 371日期1996年6月27日第 102(e)日期1996年6月27日PCT提交1995年10月24日PCT公布。 出版物WO96 / 日期1996年5月9日影响产品质量的因素分析方法对注射成型机的成型条件进行调整。 适当地选择有效区分产品质量的数据,容易确定用于消除模制异常的成型条件以适当调整成型条件。 通过获得指示与注射成型操作相关的多个条件的变化的相关性并执行主成分分析的相关系数来定义第一和第二主分量轴。 表示各个条件相对于每个主成分轴分散的点,绘制在矩形坐标系上。 在各种条件的数据变化最大的第一和第二主成分的基础上综合评价各种条件的数据变化趋势的特征。 用于区分产品质量的检测数据的选择和要调整的成型条件变得容易,从而简化了产品质量的鉴别和成型条件的调整。
    • 9. 发明授权
    • Lighting device, lighting control device, and projector
    • 照明装置,照明控制装置和投影仪
    • US08384309B2
    • 2013-02-26
    • US12869229
    • 2010-08-26
    • Osamu SaitoMasahide Tsuda
    • Osamu SaitoMasahide Tsuda
    • H05B37/02
    • H05B41/042H05B41/2881
    • A lighting device which supplies power to an electrode of a discharge lamp to turn on the discharge lamp, includes: a converting circuit which converts inputted direct current into alternating current; a pulse generating circuit which produces a high-voltage pulse from the alternating current received from the converting circuit and applies the high-voltage pulse to the electrode; and a trigger circuit which is disposed between the converting circuit and causes the pulse generating circuit to apply the high-voltage pulse to the electrode, wherein the trigger circuit allows the pulse generating circuit to apply the high-voltage pulse to the electrode in accordance with a drive frequency of the converting circuit.
    • 向放电灯的电极供电以接通放电灯的照明装置包括:转换电路,其将输入的直流电转换为交流电; 脉冲发生电路,从从转换电路接收的交流电产生高电压脉冲,并将高电压脉冲施加到电极; 以及触发电路,其设置在所述转换电路之间并且使所述脉冲发生电路向所述电极施加高压脉冲,其中所述触发电路允许所述脉冲发生电路根据所述电压施加所述电极的高电压脉冲 转换电路的驱动频率。