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    • 91. 发明授权
    • Helicopter blade aerofoil
    • 直升机叶片机翼
    • US06164918A
    • 2000-12-26
    • US176954
    • 1998-10-22
    • Makoto AokiHiroki NishimuraEiichi Yamakawa
    • Makoto AokiHiroki NishimuraEiichi Yamakawa
    • B64C27/46B64C27/467B63H1/26
    • B64C27/467Y10S416/02
    • Upper and lower surfaces of an aerofoil are defined by the following coordinates given in the table below, and the configuration of a leading edge of the aerofoil is defined by the following leading edge radius and the center of circle. Thus drag divergence Mach number Mdd and maximum lift coefficient Clmax can be increased and the noise level can be reduced.______________________________________ X/C Yup/C Ylow/C ______________________________________ 0.00000 -0.00323 -0.00323 0.00100 0.00155 -0.00758 0.00250 0.00418 -0.00925 0.00500 0.00782 -0.01062 0.00750 0.01060 -0.01155 0.01000 0.01312 -0.01213 0.01750 0.01912 -0.01316 0.02500 0.02381 -0.01388 0.05000 0.03437 -0.01561 0.75000 0.04070 -0.01707 0.10000 0.04466 -0.01852 0.15000 0.04893 -0.02100 0.20000 0.05083 -0.02312 0.25000 0.05150 -0.02506 0.30000 0.05149 -0.02663 0.35000 0.05105 -0.02775 0.40000 0.05016 -0.02835 0.45000 0.04875 -0.02839 0.50000 0.04663 -0.02767 0.55000 0.04359 -0.02618 0.60000 0.03974 -0.02407 0.65000 0.03515 -0.02146 0.70000 0.03000 -0.01847 0.75000 0.02451 -0.01523 0.80000 0.01892 -0.01187 0.85000 0.01347 -0.00851 0.90000 0.00836 -0.00529 0.95000 0.00381 -0.00233 1.00000 0.00207 -0.00079 ______________________________________ Leading edge radius r/C=0.01073 Center of circle X/C=0.01072, Y/C=-0.00373
    • 机翼的上表面和下表面由下表中给出的以下坐标定义,机翼前缘的结构由以下前缘半径和圆心定义。 因此,可以增加拖曳发散马赫数Mdd和最大提升系数Clmax,并且可以降低噪声水平。 - X / C Yup / C Ylow / C - 0.00000 -0.00323 -0.00323 - 0.00100 0.00155 -0.00758 - 0.00250 0.00418 -0.00925 - 0.00500 0.00782 -0.01062 - 0.00750 0.01060 -0.01155 - 0.01000 0.01312 -0.01213 - 0.01750 0.01912 -0.01316 - 0.02500 0.02381 - 0.01388 -0.05000 0.03437 -0.01561-0.75000 0.04070 -0.01707 -0.10000 0.04466 -0.01852-0.15000 0.04893 -0.02100 -0.20000 0.05083 -0.02312 -0.25000 0.05150 -0.02506-0.30000 0.05149 -0.02663-0.35000 0.05105 -0.02775-0.40000 0.05016 -0.02835-0.45000 0.04875 - 0.02839-0.50000 0.04663 -0.02767-0.55000 0.04359 -0.02618-0.60000 0.03974 -0.02407-0.65000 0.03515 -0.02146-0.70000 0.03000 -0.01847-0.75000 0.02451 -0.01523-0.80000 0.01892 -0.01187-0.85000 0.01347 -0.00851-0.90000 0.00836 -0.00529-0.95000 0.00381 - 0.00233 - 1.00000 0.00207 -0.00079 - 前缘半径r / C = 0.01073圆心X / C = 0.01072,Y / C = -0.00373
    • 96. 发明授权
    • Tape reel with thin flange portions
    • 磁带卷轴,薄法兰部分
    • US5456423A
    • 1995-10-10
    • US291358
    • 1994-08-16
    • Satoshi SakuraiMakoto AokiMasahiro Makino
    • Satoshi SakuraiMakoto AokiMasahiro Makino
    • G11B23/037G11B23/087G11B23/113B65H75/14
    • G11B23/037G11B23/08728G11B23/113
    • A tape reel in which a thin flange portion is formed by reducing a thickness of each of front and rear flange surfaces of the tape reel and a thick portion having a thickness larger than that of the thin flange portion is formed at a plurality of places of an outer periphery of the flange portion. When the tape reel is molded by using a molding metal mold, a pin is inserted into the molding metal mold at a portion corresponding to a portion where a resin is filled into the thin flange portion last, and air and gas within a cavity are discharged from a spacing formed between the molding metal mold and the pin. Thus, the occurrence of short mold and weld line on the thin portion of the tape reel thus molded can be avoided and a rotational fluctuation of the reel flange surface can be avoided. The front and rear surface portions of each of upper and lower flanges of the tape reel are further formed as thin flange portions by uniformly reducing the thickness of each of the front and rear surface portions thereof except outer peripheral edge portions thereof and radial tape position restricting ribs are formed on tape contact flange surfaces of the upper and lower flanges. Thus, the flanges can be prevented from being warped even when the thicknesses thereof are reduced.
    • 通过减小带卷盘的前后凸缘表面的厚度和厚度大于薄凸缘部分的厚度的一部分形成薄凸缘部分的磁带卷轴,形成在多个位置 凸缘部的外周。 当通过使用成型金属模具来模制带卷盘时,将销钉插入到模制金属模具中,在与最初填充到薄凸缘部分中的树脂填充部分相对应的部分处,将空腔内的空气和气体排出 从模制金属模具和销之间形成的间隔。 因此,可以避免如此模制的带卷筒的薄部分上出现短模和熔接线,并且可以避免卷轴法兰表面的旋转波动。 带盘的上下凸缘的前表面部分和后表面部分进一步形成为薄的凸缘部分,其均匀地减小其前后表面部分的每个的外周边部分的厚度,并且限制径向带位置 肋形成在上凸缘和下凸缘的带接触凸缘表面上。 因此,即使当其厚度减小时,也可以防止凸缘翘曲。
    • 98. 发明授权
    • Ink jet recording apparatus utilizing means for supplying a plurality of
signals to an electromechanical conversion element
    • 喷墨记录装置利用将多个信号提供给机电转换元件的装置
    • US5204695A
    • 1993-04-20
    • US733013
    • 1991-07-19
    • Tatsuyuki TokunagaJiro MoriyamaMakoto AokiIkumasa Ikeda
    • Tatsuyuki TokunagaJiro MoriyamaMakoto AokiIkumasa Ikeda
    • B41J2/175B41J2/045B41J2/055B41J2/07B41J2/12
    • B41J2/04553B41J2/04581B41J2/04588B41J2/0459B41J2/04591B41J2/04596B41J2/072
    • An ink jet recording apparatus includes a recording head having a liquid path and a discharge part for discharging ink therethrough, an electromechanical conversion element and a control device. The electromechanical conversion element is correspondingly provided on the liquid path for effecting ink discharge. The control device controls the element by performing a first step of applying a pre-electrical signal to the element, a second step performed after the first step, of applying a main electrical signal, and a third step of applying a subsequent electrical signal to the element before the voltage of the main electrical signal reaches zero. The pre-electrical signal is applied to the element in a direction opposite that which will discharge ink. The second step applies the main electrical signal to the element in the direction of ink discharge for discharging ink in accordance with a recording signal. The third step, performed after ink is discharged by the second step, applies a sub-electrical signal to the element in the direction of ink discharge to prevent meniscus retraction. The sub-electrical signal smoothly changes and quickly attenuates vibration of meniscus caused by drive of the element by the main electrical signal.
    • 一种喷墨记录装置,包括具有液体通道的记录头和用于排出油墨的排出部分,机电转换元件和控制装置。 机电转换元件相应地设置在液体路径上以实现油墨排出。 控制装置通过执行向元件施加预电信号的第一步骤,在第一步骤之后执行的施加主电信号的第二步骤以及将后续电信号施加到第一步骤来控制元件 在主电信号的电压达到零之前。 预电信号以与将喷出墨水相反的方向施加到元件。 第二步骤根据记录信号将主电信号施加到排墨方向上的元件上。 通过第二步骤排出墨水之后进行的第三步骤,在墨水排出方向上向元件施加副电信号,以防止弯液面缩回。 副电信号平滑地变化,并且通过主电信号快速衰减由元件的驱动引起的弯月面的振动。
    • 100. 发明授权
    • Flatness integrating/recording apparatus
    • 平整度积分/记录装置
    • US4922752A
    • 1990-05-08
    • US239652
    • 1988-09-02
    • Masahiro KitazumeMakoto AokiHiroshi NogiKazuya HommaShigemi Matsuzawa
    • Masahiro KitazumeMakoto AokiHiroshi NogiKazuya HommaShigemi Matsuzawa
    • G01C7/04G01B11/30G01S17/88
    • G01B11/306
    • A flatness integrating/recording apparatus of the present invention includes a car than can travel on a road surface, a device associated with the wheel of the car for calculating the travelled distance of the car, and an optical road surface irregularities measuring device provided on the car. The data obtained from these devices is processed by first and second signal processing portions so as to calculate the travelled distance and the irregularities of the road surface. The data output from the first and second signal processing portions is supplied to a display device and to a data storage portion. A set value inputting device for setting measuring conditions is provided in the tractor portion of the car. The output of the set value inputting device is supplied to the second signal processing portion.
    • 本发明的平坦度积分/记录装置包括一个汽车,比在路面上行驶的车辆,与汽车车轮相关联的装置,用于计算轿厢的行进距离;以及光学路面不规则测量装置, 汽车。 从这些装置获得的数据由第一和第二信号处理部分处理,以便计算行驶距离和路面的不规则性。 从第一和第二信号处理部分输出的数据被提供给显示装置和数据存储部分。 在轿厢的拖拉机部分设置有用于设定测量条件的设定值输入装置。 设定值输入装置的输出被提供给第二信号处理部。