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    • 2. 发明授权
    • Position control apparatus and method for table member
    • 台面位置控制装置及方法
    • US06809460B2
    • 2004-10-26
    • US10196108
    • 2002-07-16
    • Takuji OkamotoEiichi YanagiMasaharu SuzukiYoshifumi Nishimoto
    • Takuji OkamotoEiichi YanagiMasaharu SuzukiYoshifumi Nishimoto
    • H02N200
    • F16H25/2003B23Q5/40B23Q11/0014
    • There is provided a position control apparatus and method for a table member which is capable of controlling the positioning of the table through very small displacement thereof, to thereby prevent the position of the table from deviating even when a disturbance such as vibration is applied to the table. A table member is movable relative to the base member in a predetermined direction. A threaded shaft is rotatably mounted on a base member and elastically deformable when twisted. A motor is coupled to one end of the threaded shaft, for rotating the threaded shaft to displace the table member. A pressurizing and fixing member is arranged in the vicinity of a location where the motor is coupled to the threaded shaft, for pressurizing the threaded shaft to be fixed in position.
    • 提供了一种用于台面构件的位置控制装置和方法,该位置控制装置和方法能够通过非常小的位移来控制工作台的位置,从而即使当诸如振动的扰动施加到桌面上时也能防止工作台的位置偏离 表。 工作台构件可相对于基座构件在预定方向上移动。 螺纹轴可旋转地安装在基座构件上并且当扭曲时可弹性变形。 电动机联接到螺纹轴的一端,用于旋转螺纹轴以移动工作台构件。 加压固定部件设置在电动机与螺纹轴联接的位置附近,用于加压被固定在位的螺纹轴。
    • 4. 发明申请
    • Positioning device
    • 定位装置
    • US20050005722A1
    • 2005-01-13
    • US10880524
    • 2004-07-01
    • Yoshifumi NishimotoEiichi YanagiAkira Moriya
    • Yoshifumi NishimotoEiichi YanagiAkira Moriya
    • H02N2/00F16H19/00H01L21/68F16H1/04
    • F16H19/04H01L21/68H02N2/126Y10T74/1967
    • A positioning device according to the present invention includes a movable body; a position detection unit detecting a position of the movable body; a first and a second vibratory actuator controlled in accordance with a detection output from the position detection unit; a first transmission mechanism comprising a first gear wheel and a first rack engaging the first gear wheel, the first transmission mechanism transmitting a driving force of the first vibratory actuator to the movable body; and a second transmission mechanism comprising a second gear wheel and a second rack engaging the second gear wheel, the second transmission mechanism transmitting a driving force of the second vibratory actuator to the movable body. An engaging position of the first gear wheel with the first rack is different from an engaging position of the second gear wheel with the second rack.
    • 根据本发明的定位装置包括:移动体; 位置检测单元,检测可移动体的位置; 根据位置检测单元的检测输出控制第一和第二振动致动器; 第一传动机构,包括第一齿轮和与第一齿轮接合的第一齿条,第一传动机构将第一振动致动器的驱动力传递到可移动体; 以及第二传动机构,其包括与所述第二齿轮接合的第二齿轮和第二齿条,所述第二传动机构将所述第二振动致动器的驱动力传递到所述可移动体。 第一齿轮与第一齿条的接合位置与第二齿轮与第二齿条的接合位置不同。
    • 7. 发明授权
    • Drive control device of vibration wave motor
    • 振动电机驱动控制装置
    • US06593712B2
    • 2003-07-15
    • US09845294
    • 2001-05-01
    • Yoshifumi NishimotoEiichi YanagiMakoto Shiomi
    • Yoshifumi NishimotoEiichi YanagiMakoto Shiomi
    • H02K3300
    • H02N2/14
    • The present invention relates to a vibration wave motor which is configured to prevent abnormal noise from being produced at a start time or a stop time and, more particularly, to a control device for a vibration wave motor which obtains a driving force by applying a periodic voltage to an electro-mechanical energy conversion element so as to generate in a vibration member thereof a plurality of standing waves having a phase difference therebetween, the plurality of standing waves being synthesized to generate a driving vibration in the vibration member. The control device comprises a frequency control circuit which varies a frequency of the periodic voltage and, when a driving force of the vibration wave motor is to be stopped, varies the periodic voltage so as to achieve a predetermined frequency at which a rotational speed of the vibration wave motor becomes zero, and a voltage control circuit which gradually lowers a voltage level of the periodic voltage to a predetermined voltage and then, after the frequency control circuit varies the frequency so as to achieve the predetermined frequency, stops energization of the vibration wave motor.
    • 本发明涉及一种振动波马达,其被配置为防止在起始时间或停止时间产生异常噪声,更具体地,涉及一种通过施加周期性的振动波马达来获得驱动力的控制装置 电压到机电能量转换元件,以便在其振动件中产生其间具有相位差的多个驻波,多个驻波被合成以在振动构件中产生驱动振动。 控制装置包括频率控制电路,其改变周期性电压的频率,并且当要停止振动波马达的驱动力时,改变周期性电压,以便达到预定频率, 振动电动机变为零,以及电压控制电路,其将周期性电压的电压电平逐渐降低到预定电压,然后在频率控制电路改变频率以达到预定频率之后,停止振动波的通电 发动机。
    • 9. 发明授权
    • Process for producing N-alkyl-N-methylamine or N-alkenyl-N-methylamine
    • 制备N-烷基-N-甲胺或N-链烯基-N-甲胺的方法
    • US5296631A
    • 1994-03-22
    • US871541
    • 1992-04-21
    • Hiroshi AbeHideki TaniguchiYoshifumi NishimotoKohshiro Sotoya
    • Hiroshi AbeHideki TaniguchiYoshifumi NishimotoKohshiro Sotoya
    • B01J29/068C07C209/16
    • B01J29/068C07C209/16
    • A process for producing an N-alkyl-N-methylamine or an N-alkenyl-N-methylamine in a high yield from a higher alcohol and methylamine comprising the step of reacting a higher alcohol with methylamine in the presence of a catalyst comprising copper and a fourth period transition metal of the Periodic Table, except for chromium, or a catalyst comprising copper, a fourth period transition metal of the Periodic Table, except for chromium, and an element of the platinum group VIII of the Periodic Table, at a pressure ranging from atmospheric pressure to 100 atm. G., at a reaction temperature ranging from 100.degree. to 250.degree. C., with hydrogen gas being introduced into the reaction system while water produced in the reaction is removed from the reaction system and the amount of methylamine in the gaseous mixture which contains no matter formed through the reaction and is exhausted from the reaction system is regulated from 5 to 50% by volume.
    • 一种从高级醇和甲胺以高产率生产N-烷基-N-甲基胺或N-链烯基-N-甲基胺的方法,包括在含有铜的催化剂存在下使高级醇与甲胺反应的步骤, 元素周期表的第四周期过渡金属,除了铬,或包含铜的催化剂,除了铬以外的元素周期表的第四周期过渡金属和周期表的第Ⅷ族元素的压力 从大气压到100大气压。 G.在100℃至250℃的反应温度下,将氢气引入反应体系中,同时从反应体系中除去反应产生的水和不含有气体混合物的甲胺的量 通过反应形成的并从反应体系中排出的物质的量为5〜50体积%。