公开(公告)号：US4873476A

公开(公告)日：1989-10-10

申请号：US110727

申请日：1987-09-23

申请人： Mitsuo Kurakake ,  Keiji Sakamoto ,  Takashi Iwamoto

发明人： Mitsuo Kurakake ,  Keiji Sakamoto ,  Takashi Iwamoto

IPC分类号： B25J9/10 ,  G05B19/18 ,  G05B19/23 ,  G05B19/414 ,  G05D3/12

CPC分类号： G05B19/4141 ,  G05B19/237 ,  G05B2219/33337 ,  G05B2219/34076 ,  G05B2219/39178 ,  G05B2219/41426

摘要： A robot control apparatus has servo CPUs (c.sub.1, c.sub.2) provided in control loops of respective servomotors (e.sub.1, e.sub.2) for driving and controlling loads about plural drive axes (.theta..sub.1, .theta..sub.2) of a robot arm. Since these servo CPUs execute drive torque calculations necessary for servomotor control, the cost of the control apparatus can be reduced. Also provided is a shared RAM (b) capable of being accessed commonly by the servo CPUs. Information about other axes stored in the RAM is read out and, when current loop processing is not being carried out, non-linear torque calculations necessary for servo-control are performed. As a result, current loop processing is not impeded and servomotor control can be carried out in a highly precise manner.

公开(公告)号：US4859920A

公开(公告)日：1989-08-22

申请号：US890856

申请日：1986-07-14

申请人： Mitsuo Kurakake ,  Keiji Sakamoto ,  Yukio Toyosawa

发明人： Mitsuo Kurakake ,  Keiji Sakamoto ,  Yukio Toyosawa

IPC分类号： G05B19/19 ,  G05B19/414

CPC分类号： G05B19/4142 ,  G05B19/4144 ,  G05B2219/33119 ,  G05B2219/34244

摘要： An interface system for a servo controller has a speed controller (7), a current controller (9), etc., which have heretofore been disposed on the side of a servomotor, disposed in a control circuit (15) on the side of an NC apparatus. The present position and speed data from the servomotor are fed back and are stored in a common RAM, and control signals for a driver circuit, such as an inverter (12), are supplied from the NC apparatus side to the servomotor side. A system bus on the NC apparatus side is directly connected to a local bus on the servomotor side.

摘要翻译： PCT No.PCT / JP86 / 00009 Sec。 一九八六年七月十四日 102（e）日期1986年7月14日PCT提交1986年1月11日PCT公布。 公开号WO86 / 04159 日期1986年7月17日。用于伺服控制器的接口系统具有设置在控制电路中的至少设置在伺服电动机侧的速度控制器（7），电流控制器（9）等 15）在NC设备的一侧。 来自伺服电动机的当前位置和速度数据被反馈并存储在公共RAM中，并且用于诸如逆变器（12）的驱动电路的控制信号从NC装置侧提供给伺服电动机侧。 NC设备侧的系统总线直接连接到伺服电机侧的本地总线。

公开(公告)号：US4741685A

公开(公告)日：1988-05-03

申请号：US86141

申请日：1987-07-27

申请人： Yoshiharu Inaba ,  Fumio Mitoguchi ,  Keiji Sakamoto ,  Masatoyo Sogabe

发明人： Yoshiharu Inaba ,  Fumio Mitoguchi ,  Keiji Sakamoto ,  Masatoyo Sogabe

IPC分类号： B29C45/50 ,  B29C45/76 ,  G05B19/23 ,  B29C45/80

CPC分类号： G05B19/231 ,  B29C45/5008 ,  B29C45/76 ,  B29C2045/1792 ,  G05B2219/41258 ,  G05B2219/45244

摘要： In order to obtain an injection drive apparatus which is low-priced, can produce a great output torque, and has a satisfactory acceleration/deceleration characteristic, in an injection-molding machine which performs injection by driving a screw by means of servomotors, one or more ball screws (7), used to drive a screw (2) in the axial direction, are driven by means of a plurality of servomotors (M1, M2), a position detector (P1) for detecting the screw position is provided only for one servomotor (M1), and the servomotors (M1, M2) are provided individually with power amplifiers, which are controlled by means of one control circuit so that the individual servomotors (M1, M2) are controlled in synchronism with one another.

公开(公告)号：US4703246A

公开(公告)日：1987-10-27

申请号：US842706

申请日：1986-03-03

申请人： Keiji Sakamoto ,  Toshio Kobayashi

发明人： Keiji Sakamoto ,  Toshio Kobayashi

IPC分类号： H02P27/08 ,  H02M7/48 ,  H02P25/02 ,  H02P5/40

CPC分类号： H02P25/024

摘要： When a synchronous motor (6) using a permanent magnetic field is controlled by the control of an inverter (4) receiving a pulse width modulation signal, wherein the reactive component of an armature winding current is defined as I.sub.b, the inductance of the armature winding as L, the counter electromotive force constant of the synchronous motor as K.sub.1, and the constant introduced from the pole number of the synchronous motor as K.sub.2, the value of the reactive component I.sub.b of the armature winding current is limited so that the multiplied product of K.sub.2, L, and I.sub.b does not exceed the value of K.sub.1. By the limitation, a saturation degree of the differential signal between a current command signal defined by the peak value of a reference carrier wave and the armature winding current is detected, the phase of the current command signal is changed from the phase perpendicular to the armature winding current to a rotary magnetic field main flux in response to the saturation degree, and the inverter control prevents the decrease of the output power by the pulse width modulation of the synchronous motor.

摘要翻译： PCT No.PCT / JP85 / 00388 Sec。 一九八六年三月三日 102（e）日期1986年3月3日PCT提交1985年7月10日PCT公布。 出版物WO86 / 00766 1986年1月30日。当使用永久磁场的同步电动机（6）通过接收脉宽调制信号的逆变器（4）的控制来控制时，电枢绕组电流的无功分量被定义为Ib 电枢绕组的电感为L，同步电动机的反电动势为K1，从同步电动机的极数引入的常数为K2，电枢绕组电流的无功部分Ib的值为 限制使得K2，L和Ib的相乘乘积不超过K1值。 通过限制，检测由参考载波的峰值定义的电流指令信号与电枢绕组电流之间的差分信号的饱和度，电流指令信号的相位从垂直于电枢的相位变化 响应于饱和度将电流绕组到旋转磁场主通量，并且逆变器控制防止由同步电动机的脉宽调制引起的输出功率的降低。

公开(公告)号：US4628240A

公开(公告)日：1986-12-09

申请号：US673742

申请日：1984-11-05

申请人： Mitsuo Kurakake ,  Keiji Sakamoto ,  Jiro Kinoshita

发明人： Mitsuo Kurakake ,  Keiji Sakamoto ,  Jiro Kinoshita

IPC分类号： H02P21/00 ,  H02P6/08 ,  H02P6/10 ,  H02P25/02 ,  H02P27/04 ,  H02P5/40

CPC分类号： H02P25/024

摘要： A synchronous motor control system for preventing a torque efficiency reduction on high-speed rotation and acceleration to produce a torque efficiently at all times. The synchronous motor control system detects when inverter drive signals for controlling currents supplied to the synchronous motor exceed a physical saturable quantity of an inverter, and corrects current waveforms applied to the synchronous motor to make sure that they are sine waves at all times.

摘要翻译： PCT No.PCT / JP84 / 00082 Sec。 371日期1984年11月5日 102（e）日期1984年11月5日PCT提交1984年3月2日PCT公布。 出版物WO84 / 03596 日期1984年9月13日。一种同步电动机控制系统，用于在高速旋转和加速时防止转矩效率降低，以始终有效地产生转矩。 同步电动机控制系统检测何时用于控制提供给同步电动机的电流的变频器驱动信号超过逆变器的物理饱和量，并校正施加到同步电动机的电流波形，以确保它们始终为正弦波。

公开(公告)号：US4547719A

公开(公告)日：1985-10-15

申请号：US460982

申请日：1983-01-25

申请人： Keiji Sakamoto ,  Shinji Seki

发明人： Keiji Sakamoto ,  Shinji Seki

IPC分类号： H02P21/00 ,  H02P25/02 ,  H02P27/04 ,  H02P5/40

CPC分类号： H02M7/53875 ,  H02P25/03 ,  H02M2001/385

摘要： To reduce adverse effects due to a dead zone in a pulse-width modulation circuit provided for avoiding short-circuiting in an inverter circuit, distortions of sine wave currents generated when low-frequency current commands are given, sound produced due to the excitation, and torque variations, a synchronous motor drive apparatus has been provided. The apparatus comprises a current detector circuit for detecting drive currents given to the synchronous motor, a difference output circuit for producing as outputs the differences between current commands given to the synchronous motor and the detected currents, a pulse-width modulation circuit for modulating signals indicative of the differences by way of pulse-duration modulation, an inverter circuit for driving the synchronous motor, a voltage detector circuit for detecting output voltages from output terminals of the inverter circuit, and a circuit for generating the differences between output voltages from the difference output circuit and the detected output voltages, whereby the synchronous motor can be driven by the outputs from the inverter circuit which is operated by voltage command values indicating the last-mentioned differences.

摘要翻译： 为了减少用于避免逆变器电路短路的脉冲宽度调制电路中由于死区带来的不利影响，给出低频电流指令时产生的正弦波电流的失真，由于激励而产生的声音，以及 扭矩变化，提供了同步电动机驱动装置。 该装置包括用于检测给予同步电动机的驱动电流的电流检测器电路，用于产生给予同步电动机的电流指令与检测到的电流之间的差的输出的差分输出电路，用于调制信号的脉冲宽度调制电路 通过脉冲持续时间调制的差异，用于驱动同步电动机的逆变器电路，用于检测来自逆变器电路的输出端的输出电压的电压检测器电路，以及用于产生来自差分输出的输出电压之间的差异的电路 电路和检测到的输出电压，从而可以由来自反相电路的输出来驱动同步电动机，该反相器电路由表示最后提到的差值的电压指令值来操作。

公开(公告)号：US4449177A

公开(公告)日：1984-05-15

申请号：US354099

申请日：1982-02-22

申请人： Yoshinori Kozai ,  Katsuo Kobari ,  Keiji Sakamoto

发明人： Yoshinori Kozai ,  Katsuo Kobari ,  Keiji Sakamoto

IPC分类号： H02M7/06 ,  H02H3/02 ,  H02M7/12

CPC分类号： H02M1/00 ,  H02H3/023

摘要： A discharging circuit for a power source device with a rectifier circuit used in an power source for driving a motor in which when the alternating current power source is turned off and the load is electrically separated, the voltage of a time constant selection circuit (22, 23) falls rapidly, the voltage across a diode (25) rises, a Schmitt circuit (24) is activated, the circuit consisted of a transistor (27) and a resistor (26) is conducted, and a smoothing capacitor (28) is discharged, and hence the heat generation at the resistor is decreased and the concern over unsafety due to delayed discharge of the capacitor is eliminated.

摘要翻译： PCT No.PCT / JP81 / 00142 Sec。 371日期1982年2月22日 102（e）1982年2月22日PCT申请1981年6月20日PCT公布。 第WO82 / 00070BC号公报 日本1982年1月7日。一种用于电源的电源装置的放电电路，其具有用于驱动电动机的电源，其中当交流电源关闭并且负载被电分离时，电压 时间常数选择电路（22,23）迅速下降，二极管（25）两端的电压升高，施密特电路（24）被激活，由晶体管（27）和电阻（26）组成的电路被导通， 平滑电容器（28）被放电，因此电阻器的发热减少，并且消除了由于电容器的延迟放电引起的不安全的担心。

公开(公告)号：US09752648B2

公开(公告)日：2017-09-05

申请号：US14001458

申请日：2012-02-16

申请人： Keiji Sakamoto ,  Shinji Uchigashima ,  Masanao Sakamoto

发明人： Keiji Sakamoto ,  Shinji Uchigashima ,  Masanao Sakamoto

IPC分类号： F16G1/04 ,  F16G1/10 ,  F16G1/28 ,  C08L63/00 ,  B29D29/08

CPC分类号： F16G1/04 ,  B29D29/08 ,  C08L63/00 ,  F16G1/10 ,  F16G1/28

摘要： Provided is a toothed belt that has satisfactory durability even under high-temperature and high-load conditions or within an oil or water environment. The toothed belt 10 comprises a belt body 13 including a tooth rubber portion 11 and a backing rubber portion 12. A surface of the tooth rubber portion 11 is covered with a facing fabric 20. The facing fabric 20 is subjected to RFL treatment, and has an outer surface 21 covered with a hardened material of a first epoxy resin. The softening point of the hardened material of the first epoxy resin is, for example, 110° C. or higher. The epoxy equivalent of the first epoxy resin is, for example, 100 to 1500 g/eq. Alternatively, the facing fabric 20 is subjected to impregnation treatment with a treatment agent including a second epoxy resin, a hardener for hardening the second epoxy resin, and a rubber component.

公开(公告)号：US20130016434A1

公开(公告)日：2013-01-17

申请号：US13637662

申请日：2011-08-10

申请人： Shinichi Iwasaki ,  Keiji Sakamoto ,  Eiji Nagasaki ,  Kenji Sasaki ,  Fumio Shinano

发明人： Shinichi Iwasaki ,  Keiji Sakamoto ,  Eiji Nagasaki ,  Kenji Sasaki ,  Fumio Shinano

IPC分类号： G02B7/04

CPC分类号： G02B7/08

摘要： A lens barrel (3) comprises a drive frame (30) and a first lens frame (50). The first lens frame (50) has first to third cam followers (54a to 54c) that are respectively inserted into first to third outer cam grooves (34a to 34c), and first and second auxiliary pins (55a and 55b) disposed so as to be able to come into contact with first and second auxiliary grooves (35a and 35b). When viewed in the Y axis direction, the first and second auxiliary pins (55a and 55b) are disposed between the first to third cam followers (54a to 54c) in the peripheral direction. The positions of the first and second auxiliary pins (55a and 55b) are offset from the positions of the first to third cam followers (54a to 54c) in the Y axis direction.

摘要翻译： 镜筒（3）包括驱动框架（30）和第一透镜框架（50）。 第一透镜框架（50）具有分别插入第一至第三外凸轮槽（34a至34c）中的第一至第三凸轮从动件（54a至54c），以及第一和第二辅助销（55a和55b） 能够与第一和第二辅助槽（35a和35b）接触。 当沿Y轴方向观察时，第一和第二辅助销（55a和55b）沿圆周方向设置在第一至第三凸轮从动件（54a至54c）之间。 第一和第二辅助销（55a和55b）的位置在第一至第三凸轮从动件（54a至54c）的位置沿Y轴方向偏移。

公开(公告)号：US08003615B2

公开(公告)日：2011-08-23

申请号：US10573973

申请日：2004-09-30

申请人： Keiji Sakamoto ,  Koichi Wada ,  Hajime Ito ,  Nobuhiro Take ,  Hiroshi Morimoto ,  Fumio Maniwa ,  Yukiko Shimmoto

发明人： Keiji Sakamoto ,  Koichi Wada ,  Hajime Ito ,  Nobuhiro Take ,  Hiroshi Morimoto ,  Fumio Maniwa ,  Yukiko Shimmoto

IPC分类号： A61K31/70 ,  A61K31/7028 ,  A61K31/7042 ,  A61K31/7052 ,  A61K31/706

CPC分类号： A61K8/673 ,  A23K20/174 ,  A23L33/15 ,  A61K31/66 ,  A61K31/706 ,  A61Q5/02 ,  A61Q19/00 ,  A61Q19/004 ,  A61Q19/005 ,  A61Q19/02 ,  A61Q19/08 ,  C07F9/58 ,  C07H17/02

摘要： A compound represented by the following general formula (I) or a salt thereof: wherein R1 represents a glycosyl group, a phosphate group, or a cyclic phosphate group bound to R2; R2 represents —CH2OH, —CHO, —CH2NH2, —CH2-amino acid residue, or —CH2—OPO2H; and R3 represents hydrogen atom, or —PO3H2, and a composition for cosmetics, medicaments, foodstuffs, and/or feeds containing the aforementioned compound or a salt thereof.

摘要翻译： 由以下通式（I）表示的化合物或其盐：其中R1表示与R2结合的糖基，磷酸基或环状磷酸基; R2表示-CH2OH，-CHO，-CH2NH2，-CH2-氨基酸残基或-CH2-OPO2H; 和R3表示氢原子，或-PO3H2，以及含有上述化合物或其盐的化妆品，药​​物，食品和/或饲料的组合物。