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1. 发明授权

US4460953A Signal voltage dividing circuit 失效
标题翻译：信号分压电路
公开(公告)号：US4460953A
公开(公告)日：1984-07-17
申请号：US375585
申请日：1982-05-06
申请人： Isao Fukushima , Kazuyoshi Kuwahara , Hideo Nishijima , Yasunori Kobori , Keiichi Itoigawa
发明人： Isao Fukushima , Kazuyoshi Kuwahara , Hideo Nishijima , Yasunori Kobori , Keiichi Itoigawa
IPC分类号： H03H19/00 , H02M3/06
CPC分类号： H03H19/004
摘要： A signal voltage dividing circuit in which two switched capacitors each including an input terminal, an output terminal and a capacitor connected selectively to the input terminal or the output terminal are connected in series and driven in opposite phase with each other. A holding capacitor is connected between the junction of the two switched capacitors and a reference potential. An input signal is supplied across the two switched capacitors to produce a divided output signal from the junction of the two switched capacitors.
摘要翻译：一种信号分压电路，其中包括输入端子，输出端子和选择性地连接到输入端子或输出端子的电容器的两个开关电容器串联连接并且彼此相反地驱动。保持电容器连接在两个开关电容器的结和参考电位之间。在两个开关电容器之间提供输入信号，以产生来自两个开关电容器的结的分压输出信号。

2. 发明授权

US4521750A Characteristic switching circuit 失效
标题翻译：特性开关电路
公开(公告)号：US4521750A
公开(公告)日：1985-06-04
申请号：US482793
申请日：1983-04-07
申请人： Isao Fukushima , Kazuyoshi Kuwahara , Keiichi Itoigawa , Yasunori Kobori , Hideo Nishijima
发明人： Isao Fukushima , Kazuyoshi Kuwahara , Keiichi Itoigawa , Yasunori Kobori , Hideo Nishijima
IPC分类号： H04N5/78 , H03H11/04 , H03H19/00 , H03H11/06 , H03H11/40
CPC分类号： H03H19/004
摘要： A time constant circuit capable of switching the characteristic, which is realized by a combination of an equivalent resistor made up of a switched capacitor and an ordinary capacitor, comprises a capacitor of the switched capacitor or the time constant circuit connected in parallel to a series circuit including a switching device and an additional capacitor. The characteristic is switched by turning on and off the additional capacitor by the switching device. The direct connection of a plurality of equivalent resistors with a plurality of switched capacitors and ordinary capacitors makes up an equalizer. The capacitor making up a switched capacitor is connected with a switching device and an additional capacitor so that the frequency characteristic of the equalizer is switchable by turning on and off the switching device. Each of the capacitors making up the switched capacitors, the capacitors making up the time constant circuits and the additional capacitors has an end thereof grounded. All the elements are thus capable of being formed in the same integrated circuits.
摘要翻译：能够通过由开关电容器和普通电容器构成的等效电阻的组合实现的能够切换特性的时间常数电路包括开关电容器的电容器或与串联电路并联连接的时间常数电路包括开关装置和附加电容器。通过开关装置接通和关闭附加电容器来切换特性。多个等效电阻器与多个开关电容器和普通电容器的直接连接构成均衡器。构成开关电容器的电容器与开关器件和附加电容器连接，使得均衡器的频率特性可通过接通和断开开关器件来切换。构成开关电容器的每个电容器，构成时间常数电路的电容器和附加电容器的端部接地。因此，所有元件能够形成在相同的集成电路中。

3. 发明授权

US4494056A Motor driving circuit 失效
标题翻译：电机驱动电路
公开(公告)号：US4494056A
公开(公告)日：1985-01-15
申请号：US480372
申请日：1983-03-30
申请人： Hideo Nishijima , Katsumi Sera , Isao Fukushima , Yasunori Kobori
发明人： Hideo Nishijima , Katsumi Sera , Isao Fukushima , Yasunori Kobori
IPC分类号： H02P3/06 , H02P6/04 , H02P6/06 , H02P6/08 , H02P6/24 , H02P3/20
CPC分类号： H02P3/06 , H02P6/085 , H02P6/24
摘要： A motor driving circuit in which the opposite ends of the motor driving coils of a video tape recorder (VTR) capstan motor are shorted by a group of switching elements when a control input voltage generated from a rotation detection/oscillator is in a predetermined range.
摘要翻译：当从旋转检测/振荡器产生的控制输入电压处于预定范围内时，电动机驱动电路，其中磁带录像机（VTR）主导马达的电机驱动线圈的相对端被一组开关元件短路。

4. 发明授权

US4543516A Speed and phase control system 失效
标题翻译：速度和相位控制系统
公开(公告)号：US4543516A
公开(公告)日：1985-09-24
申请号：US682259
申请日：1984-12-17
申请人： Yasunori Kobori , Kaneyuki Okamoto , Isao Fukushima , Masataka Sekiya , Hideo Nishijima , Kenji Kano , Tetsuo Sakae
发明人： Yasunori Kobori , Kaneyuki Okamoto , Isao Fukushima , Masataka Sekiya , Hideo Nishijima , Kenji Kano , Tetsuo Sakae
IPC分类号： G05D13/62 , G05B11/36 , H02P23/00 , H02P29/00 , H02P5/06
CPC分类号： H02P23/186 , Y10S388/912 , Y10S388/922
摘要： Disclosed is a speed and phase control system for a moving apparatus driven by an electric motor, or the like, and provided with a speed control system for controlling the moving apparatus to an initially set speed, a phase control system for synchronizing the phase of the moving apparatus with a reference signal, and an error correction device storing therein a target value of and for comparing an actual speed or a phase of the moving apparatus with the target value to detect an error therebetween to thereby correct the initially set value in accordance with the error, whereby control is made such that the moving apparatus is operated at the target value of speed and phase thereof. Further, the error correction device is cut off from the speed control system when the speed reaches a value near the target value and at the same time the operation of the phase control system is started.
摘要翻译：公开了一种用于由电动机等驱动的移动装置的速度和相位控制系统，并且设置有用于将移动装置控制到初始设定速度的速度控制系统，用于使运动装置的相位同步的相位控制系统具有参考信号的移动装置和其中存储有移动装置的实际速度或相位的目标值和用于比较目标值的误差校正装置，以检测其间的误差，从而根据该误差由此进行控制，使得移动装置以其速度和相位的目标值运行。此外，当速度达到接近目标值的值并且同时开始相位控制系统的操作时，纠错装置从速度控制系统切断。

5. 发明授权

US4651067A Apparatus for driving brushless motor 失效
标题翻译：无刷电机驱动装置
公开(公告)号：US4651067A
公开(公告)日：1987-03-17
申请号：US703906
申请日：1985-02-21
申请人： Takayasu Ito , Hideo Nishijima , Isao Fukushima , Yoshio Fujimori , Yasunori Kobori
发明人： Takayasu Ito , Hideo Nishijima , Isao Fukushima , Yoshio Fujimori , Yasunori Kobori
IPC分类号： H02P6/10 , H02P6/02
CPC分类号： H02P6/10
摘要： An apparatus for driving a brushless motor, in which a ripple appearing in the rotation torque of the motor is cancelled by driving the motor with a signal current whose phase is opposite to that of and which has a waveform symmetrical with that of the torque ripple waveform, so that the motor can rotate accurately without any speed variation. In order to obtain such a signal current waveform, counter-electromotive forces induced in the stator coils of the motor are detected, and the level of the signal indicative of the detected counter-electromotive forces is controlled depending on the load and rotation speed of the motor to provide a control signal for controlling the motor drive current.
摘要翻译：一种用于驱动无刷电动机的装置，其中通过用相位相反的信号电流驱动电动机来消除电动机的旋转转矩中出现的波动，并且其具有与转矩脉动波形对称的波形，使得电机可以精确地旋转而没有任何速度变化。为了获得这样的信号电流波形，检测在电动机的定子线圈中感应的反电动势，并且根据负载和转速来控制表示检测到的反电动势的信号的电平电机提供用于控制电机驱动电流的控制信号。

6. 发明授权

US4590438A Bipolar transistor circuit with FET constant current source 失效
标题翻译：具有FET恒流源的双极晶体管电路
公开(公告)号：US4590438A
公开(公告)日：1986-05-20
申请号：US499246
申请日：1983-05-31
申请人： Isao Fukushima , Yasunori Kobori , Hideo Nishijima
发明人： Isao Fukushima , Yasunori Kobori , Hideo Nishijima
IPC分类号： H03F3/345 , H03F3/45 , H03F3/16
CPC分类号： H03F3/45085 , H03F3/345
摘要： A transistor circuit is used as a signal amplifier which has little possibility of oscillation in an IC. The transistor circuit includes a cascade connection of differential amplifiers. Each of the amplifiers comprises a differential pair of bipolar transistors and an enhancement-type MOSFET as a constant current source. The MOSFET of each amplifier is connected in the common source mode, and the drain is connected to the emitters of the differential pair of bipolar transistors. The sources of all the MOSFETs are connected to a common ground-line.
摘要翻译：晶体管电路被用作在IC中几乎没有振荡的信号放大器。晶体管电路包括差分放大器的级联连接。每个放大器包括双极晶体管的差分对和作为恒流源的增强型MOSFET。每个放大器的MOSFET以公共源模式连接，漏极连接到差分双极晶体管的发射极。所有MOSFET的源极连接到公共地线。

7. 发明授权

US4503369A Power supply for plural brushless DC motors 失效
标题翻译：多个无刷直流电机的电源
公开(公告)号：US4503369A
公开(公告)日：1985-03-05
申请号：US506896
申请日：1983-06-22
申请人： Hideo Nishijima , Isao Fukushima , Tsunehiko Teshima , Yasunori Kobori , Takayasu Ito
发明人： Hideo Nishijima , Isao Fukushima , Tsunehiko Teshima , Yasunori Kobori , Takayasu Ito
IPC分类号： H02P5/74 , H02P5/60 , H02P5/68 , H02P6/04 , H02K29/02 , H02P7/68
CPC分类号： H02P5/68 , H02P5/60 , H02P6/04
摘要： A power supply in which a single variable voltage supply device is used as a power source for a plurality of motors which are simultaneously or successively rotated, in which each motor is subjected to constant current driving by a current control device connected to the motor, and in which the variable voltage supply device is controlled so as to produce a voltage which is the sum of the highest one of the voltages required for driving the motors and necessary and minimum voltage with which all the current control devices are operable.
摘要翻译：一种电源，其中单个可变电压供应装置用作同时或连续旋转的多个电动机的电源，其中每个电动机通过连接到电动机的电流控制装置进行恒定电流驱动;以及其中可变电压供应装置被控制以产生作为驱动电动机所需的最高电压之和的电压和所有电流控制装置可操作的必要和最小电压的电压。

8. 发明授权

US4605901A Frequency-voltage converter 失效
标题翻译：变频器
公开(公告)号：US4605901A
公开(公告)日：1986-08-12
申请号：US486827
申请日：1983-04-20
申请人： Yasunori Kobori , Isao Fukushima , Hideo Nishijima , Yoshinori Masuda , Norihisa Yamamoto
发明人： Yasunori Kobori , Isao Fukushima , Hideo Nishijima , Yoshinori Masuda , Norihisa Yamamoto
IPC分类号： H02P29/00 , G11B15/46 , H03K9/06
CPC分类号： G11B15/46 , H03K9/06
摘要： A frequency-voltage converter comprising a feedback frequency generating means associated with controlled means, a saw-tooth wave generating means, a current source for the saw-tooth wave, pulse generating means and sample-and-hold means, the frequency-voltage converter being characterized by further provision of supply voltage switching means for changing the feedback frequency of the controlled means by changing the voltage to be supplied to the current source to change the current from the current source and to thereby the slope of the saw-tooth wave from the saw-tooth wave generating means.
摘要翻译：一种频率 - 电压转换器，包括与受控装置相关的反馈频率发生装置，锯齿波产生装置，锯齿波的电流源，脉冲发生装置和采样保持装置，频率 - 电压转换器其特征在于进一步提供电源电压切换装置，用于通过改变要提供给电流源的电压来改变受控装置的反馈频率，以改变来自电流源的电流，从而改变锯齿波的斜率锯齿波发生装置。

9. 发明授权

US4613914A Auto-tracking method and apparatus of a magnetic recording/reproducing apparatus 失效
标题翻译：磁记录/重放装置的自动跟踪方法和装置
公开(公告)号：US4613914A
公开(公告)日：1986-09-23
申请号：US754908
申请日：1985-07-15
申请人： Yasunori Kobori , Hideo Nishijima , Kaneyuki Okamoto , Isao Fukushima , Katsuhiko Goto , Takashi Takahashi
发明人： Yasunori Kobori , Hideo Nishijima , Kaneyuki Okamoto , Isao Fukushima , Katsuhiko Goto , Takashi Takahashi
IPC分类号： G11B5/588 , G11B15/467 , G11B5/008
CPC分类号： G11B15/4676
摘要： An auto-tracking method and apparatus of a helical scan type magnetic recording/reproducing apparatus wherein envelope levels of reproduced signals are detected and the running phase of a magnetic tape is controlled so that the envelope level of the reproduced signal becomes maximum after detection is effected roughly and then finely, thereby allowing a video head to scan a track on the magnetic tape.
摘要翻译：一种螺旋扫描型磁记录/再现装置的自动跟踪方法和装置，其中检测到再现信号的包络电平，并且控制磁带的运行相位，使得再现信号的包络电平在检测到之后变为最大值大致然后精细，从而允许视频头扫描磁带上的轨道。

10. 发明授权

US4518901A Motor control apparatus 失效
标题翻译：电机控制装置
公开(公告)号：US4518901A
公开(公告)日：1985-05-21
申请号：US454028
申请日：1982-12-28
申请人： Isao Fukushima , Yasunori Kobori , Hideo Nishijima , Yoshinori Masuda
发明人： Isao Fukushima , Yasunori Kobori , Hideo Nishijima , Yoshinori Masuda
IPC分类号： H02P29/00 , H02P5/00 , H02P7/288 , G05B5/00
CPC分类号： H02P7/2885 , H02P5/00 , Y10S388/915 , Y10S388/921
摘要： A motor control apparatus for driving and controlling a motor, in which a signal frequency proportional to a rotation number of the motor is converted into a d.c. voltage by a frequency/voltage converter so as to drive and control the motor by the d.c. voltage. The apparatus comprises a first, a second, and a third pulse generator for successively producing a first, a second, and a third repetitive pulse, respectively, in response to a signal period proportional to the rotation number of the motor; a constant current source; a first reset circuit driven by the third pulse to reset an output current of the constant current source; a first capacitor connected to the first reset circuit in parallel with the first reset circuit and charged by the output current of the constant current source; a sampling circuit driven by the second pulse to derive a saw tooth wave signal appearing across the first capacitor; a second reset circuit driven by the first pulse; a second capacitor connected to the second reset circuit in parallel therewith for charging the saw tooth wave signal through the sampling circuit; and a circuit for changing a pulse width of at least one of the first, second and third pulses substantially in accordance with the output current of the constant current source.
摘要翻译：用于驱动和控制电动机的电动机控制装置，其中与电动机的转数成正比的信号频率被转换成直流电动机。电压由频率/电压转换器驱动和控制电机直流。电压。该装置包括第一，第二和第三脉冲发生器，用于响应于与电动机的转数成正比的信号周期分别连续产生第一，第二和第三重复脉冲; 恒流源; 由所述第三脉冲驱动的用于复位所述恒流源的输出电流的第一复位电路; 连接到与第一复位电路并联的第一复位电路并由恒流源的输出电流充电的第一电容器; 由第二脉冲驱动的采样电路，以导出出现在第一电容器两端的锯齿波信号; 由第一脉冲驱动的第二复位电路; 与第二复位电路并联连接的第二电容器，用于通过采样电路对锯齿波信号充电; 以及基本上根据恒流源的输出电流改变第一，第二和第三脉冲中的至少一个的脉冲宽度的电路。

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