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    • 2. 发明授权
    • Image capturing device
    • 图像捕捉设备
    • US07355640B2
    • 2008-04-08
    • US10648772
    • 2003-08-25
    • Tatsuya TakahashiTohru WatanabeOsamu Tabata
    • Tatsuya TakahashiTohru WatanabeOsamu Tabata
    • H04N9/64
    • H04N5/361H04N5/3655H04N5/3722
    • An image capturing device having a function of clamping an image signal. When the image capturing device is activated, a synchronous signal generating section begins creation of a horizontal synchronous signal, and a counter begins counting a pulse of the horizontal synchronous signal. When the counted value reaches a predetermined value, the clamping capability control section changes the level of a clamp mode signal to an H level. During a period from the start of power supply to the image capturing device to the raising of the level of a clamp mode signal to an H level, a clamp pulse generating section sets a longer width for a clamp pulse than in a normal operation so that a switch element of a clamping circuit remains in an on state in a longer period, whereby a smaller time constant for clamping is set. After elapse of a predetermined period, the switch element is controlled so as to remain in an ON state in a normal period, which is relatively short, whereby a larger time constant for clamping is set. With this arrangement, noise which would be caused with a small clamping time constant is suppressed.
    • 具有夹持图像信号的功能的图像捕获装置。 当图像拍摄装置被激活时,同步信号产生部分开始创建水平同步信号,并且计数器开始计数水平同步信号的脉冲。 当计数值达到预定值时,钳位能力控制部分将钳位模式信号的电平改变为H电平。 在从供电开始到图像捕获装置到将钳位模式信号的电平提高到H电平的期间中,钳位脉冲发生部分将钳位脉冲的宽度设置为比正常操作更长的宽度,使得 钳位电路的开关元件在较长时间内保持导通状态,由此设定较小的钳位时间常数。 在经过预定时间后,开关元件被控制成在相对较短的正常时段内保持在ON状态,由此设定较大的夹紧时间常数。 通过这种布置,可以抑制以小的夹紧时间常数引起的噪声。
    • 10. 发明授权
    • Method for producing alcohol
    • 酒精生产方法
    • US6002054A
    • 1999-12-14
    • US973743
    • 1997-12-22
    • Hideaki UeokaFutoshi NishigakiOsamu Tabata
    • Hideaki UeokaFutoshi NishigakiOsamu Tabata
    • C07C29/149
    • C07C29/149
    • A method for producing an alcohol comprising the steps of continuously feeding starting materials of an alcohol; and carrying out catalytic reduction reaction of the starting materials in the presence of a hydrogenation catalyst, wherein said starting materials of an alcohol and a hydrogen gas are fed in a gaseous state or a mixture of liquid and gaseous states in a reduction reactor, and wherein said catalytic reduction reaction of the starting materials is carried out under temperature conditions, pressure conditions, and conditions of a molar ratio of hydrogen ((hydrogen molecules/(acyl groups in the starting materials)), sufficient to give an evaporation ratio of the starting materials of from 20 to 80% by weight, and wherein a ratio of VG to VL satisfies the following relationship in the reduction reactor: 100.ltoreq.VG/VL.ltoreq.10000, wherein "VG" stands for the superficial velocity at a gas phase portion of a mixture of the starting materials of an alcohol fed and hydrogen gas; and "VL" stands for the superficial velocity at a liquid phase portion of the mixture.
    • PCT No.PCT / JP96 / 01601 Sec。 371 1997年12月22日第 102(e)日期1997年12月22日PCT提交1996年6月12日PCT公布。 公开号WO97 / 00841 日本1997年1月9日一种醇的制造方法,其特征在于,包括连续供给醇的原料的工序; 并在氢化催化剂存在下进行原料的催化还原反应,其中所述醇和氢气的原料在还原反应器中以气态或液态和气态的混合物进料,其中 所述起始原料的所述催化还原反应在温度条件,压力条件和氢((氢原子/(原料中的酰基)的摩尔比)的条件下进行,足以使起始 材料为20〜80重量%,并且其中VG与VL的比例在还原反应器中满足以下关系:100 VG / VL = 10000,其中“VG”表示a 醇的原料与氢气的混合物的气相部分;“VL”表示混合物的液相部分的表观速度。