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1. 发明授权

US08030864B2 Motor drive circuit 有权
标题翻译：电机驱动电路
公开(公告)号：US08030864B2
公开(公告)日：2011-10-04
申请号：US12483168
申请日：2009-06-11
申请人： Toshiyuki Imai , Takahiro Iida , Joji Noie
发明人： Toshiyuki Imai , Takahiro Iida , Joji Noie
IPC分类号： H02P6/16
CPC分类号： H02P6/06
摘要： A motor drive circuit includes a first amplifier circuit to amplify a difference between first and second position detection signals with a gain becoming smaller according to drop in power supply voltage, to output a first amplification signal, the first and second position detection signals being signals indicating a rotational position of a rotor in a motor, having a frequency corresponding to a rotation speed of the motor, and being opposite in phase to each other; a second amplifier circuit to amplify the difference between the first and second position detection signals with the gain, to output a second amplification signal opposite in phase to the first amplification signal; and a drive circuit to amplify the difference between the first amplification signal and the second amplification signal with a predetermined gain to be saturated at the power supply voltage, to output a driving voltage for driving the motor.
摘要翻译：电动机驱动电路包括：第一放大电路，用于根据电源电压的下降放大第一和第二位置检测信号之间的差值，输出第一放大信号;第一和第二位置检测信号是指示电动机中的转子的旋转位置，具有与电动机的转速对应的频率，并且彼此相位相反; 第二放大器电路，用于以增益放大第一和第二位置检测信号之间的差，以输出与第一放大信号相位相反的第二放大信号; 以及驱动电路，以在所述电源电压下以预定的增益来放大所述第一放大信号和所述第二放大信号之间的差，以输出用于驱动所述电动机的驱动电压。

2. 发明申请

US20100033118A1 Motor Drive Circuit 有权
标题翻译：电机驱动电路
公开(公告)号：US20100033118A1
公开(公告)日：2010-02-11
申请号：US12483168
申请日：2009-06-11
申请人： Toshiyuki Imai , Takahiro Iida , Joji Noie
发明人： Toshiyuki Imai , Takahiro Iida , Joji Noie
IPC分类号： H02P6/06
CPC分类号： H02P6/06
摘要： A motor drive circuit includes a first amplifier circuit to amplify a difference between first and second position detection signals with a gain becoming smaller according to drop in power supply voltage, to output a first amplification signal, the first and second position detection signals being signals indicating a rotational position of a rotor in a motor, having a frequency corresponding to a rotation speed of the motor, and being opposite in phase to each other; a second amplifier circuit to amplify the difference between the first and second position detection signals with the gain, to output a second amplification signal opposite in phase to the first amplification signal; and a drive circuit to amplify the difference between the first amplification signal and the second amplification signal with a predetermined gain to be saturated at the power supply voltage, to output a driving voltage for driving the motor.
摘要翻译：电动机驱动电路包括：第一放大电路，用于根据电源电压的下降放大第一和第二位置检测信号之间的差值，输出第一放大信号;第一和第二位置检测信号是指示电动机中的转子的旋转位置，具有与电动机的转速对应的频率，并且彼此相位相反; 第二放大器电路，用于以增益放大第一和第二位置检测信号之间的差，以输出与第一放大信号相位相反的第二放大信号; 以及驱动电路，以在所述电源电压下以预定的增益来放大所述第一放大信号和所述第二放大信号之间的差，以输出用于驱动所述电动机的驱动电压。

3. 发明授权

US08618763B2 Motor drive circuit 有权
标题翻译：电机驱动电路
公开(公告)号：US08618763B2
公开(公告)日：2013-12-31
申请号：US12690993
申请日：2010-01-21
申请人： Joji Noie , Toshiyuki Imai , Takahiro Iida , Tetsuya Yoshitomi
发明人： Joji Noie , Toshiyuki Imai , Takahiro Iida , Tetsuya Yoshitomi
IPC分类号： G05B11/28
CPC分类号： H02P6/20
摘要： The invention provides a motor with a low speed start function and a soft start function. The motor includes a first pulse generation circuit generating a first pulse signal of which a first duty ratio of one of logic levels is increased as a drive voltage corresponding the target rotation speed of the motor is increased, a second pulse generation circuit generating a second pulse signal of which a second duty ratio of one of logic levels is different from the first duty ratio, and a drive control circuit supplying a drive current to a motor coil at the second duty ratio in order to start the rotation of the motor that is stopping and supplying a drive current to the motor coil at the first duty ratio after a predetermined time passes from the start of the rotation of the motor in response to a rotation signal corresponding to the rotation of the motor.
摘要翻译：本发明提供一种具有低速启动功能和软启动功能的电动机。电动机包括：第一脉冲发生电路，其产生第一脉冲信号，其中一个逻辑电平的第一占空比随着与电动机的目标转速对应的驱动电压增加而增加，第二脉冲产生电路产生第二脉冲逻辑电平之一的第二占空比与第一占空比不同的信号，以及以第二占空比向电动机线圈提供驱动电流的驱动控制电路，以便开始正在停止的电动机的旋转以及响应于与电动机的旋转相对应的旋转信号，从电动机的旋转开始经过预定时间之后，以第一占空比向电动机线圈提供驱动电流。

4. 发明申请

US20100181951A1 MOTOR DRIVE CIRCUIT 有权
标题翻译：电机驱动电路
公开(公告)号：US20100181951A1
公开(公告)日：2010-07-22
申请号：US12690993
申请日：2010-01-21
申请人： Joji Noie , Toshiyuki Imai , Takahiro Iida , Tetsuya Yoshitomi
发明人： Joji Noie , Toshiyuki Imai , Takahiro Iida , Tetsuya Yoshitomi
IPC分类号： H02P6/20
CPC分类号： H02P6/20
摘要： The invention provides a motor with a low speed start function and a soft start function. The motor includes a first pulse generation circuit generating a first pulse signal of which a first duty ratio of one of logic levels is increased as a drive voltage corresponding the target rotation speed of the motor is increased, a second pulse generation circuit generating a second pulse signal of which a second duty ratio of one of logic levels is different from the first duty ratio, and a drive control circuit supplying a drive current to a motor coil at the second duty ratio in order to start the rotation of the motor that is stopping and supplying a drive current to the motor coil at the first duty ratio after a predetermined time passes from the start of the rotation of the motor in response to a rotation signal corresponding to the rotation of the motor.
摘要翻译：本发明提供一种具有低速启动功能和软启动功能的电动机。电动机包括：第一脉冲发生电路，其产生第一脉冲信号，其中一个逻辑电平的第一占空比随着与电动机的目标转速对应的驱动电压增加而增加，第二脉冲产生电路产生第二脉冲逻辑电平之一的第二占空比与第一占空比不同的信号，以及以第二占空比向电动机线圈提供驱动电流的驱动控制电路，以便开始正在停止的电动机的旋转以及响应于与电动机的旋转相对应的旋转信号，从电动机的旋转开始经过预定时间之后，以第一占空比向电动机线圈提供驱动电流。

5. 发明授权

US07839104B2 Motor drive circuit, fan motor, electronic device, and notebook personal computer 有权
标题翻译：电机驱动电路，风扇电机，电子设备和笔记本个人电脑
公开(公告)号：US07839104B2
公开(公告)日：2010-11-23
申请号：US12252289
申请日：2008-10-15
申请人： Toshiyuki Imai , Tetsuya Yoshitomi , Joji Noie
发明人： Toshiyuki Imai , Tetsuya Yoshitomi , Joji Noie
IPC分类号： H02P6/20
CPC分类号： H02P6/22
摘要： A motor drive circuit includes: a pulse generation circuit configured to generate a pulse signal whose duty ratio of one logic level is increased as a drive voltage is increased in accordance with a target rotation speed of a motor; and a drive control circuit that configured to drive the motor with the drive voltage using a duty ratio higher than the duty ratio of the pulse signal when the motor starts rotating from the stopped state, and configured to drive the motor with the drive voltage during a period when the pulse signal is at the one logic level after the motor starts rotating, based on a rotation signal corresponding to the rotation of the motor.
摘要翻译：电动机驱动电路包括：脉冲发生电路，被配置为产生脉冲信号，其脉冲信号的一个逻辑电平的占空比随驱动电压根据电动机的目标转速而增加; 以及驱动控制电路，其被配置为当所述电动机从所述停止状态开始旋转时，使用高于所述脉冲信号的占空比的占空比，以所述驱动电压驱动所述电动机，并且被配置为在所述驱动电压期间驱动所述电动机的驱动电压基于与电动机的旋转相对应的旋转信号，脉冲信号在电动机开始旋转之后处于一个逻辑电平的时段。

6. 发明授权

US07589485B2 Motor control circuit, fan motor, electronic device, and notebook personal computer 有权
标题翻译：电机控制电路，风扇电机，电子设备和笔记本个人电脑
公开(公告)号：US07589485B2
公开(公告)日：2009-09-15
申请号：US12254731
申请日：2008-10-20
申请人： Tetsuya Yoshitomi , Joji Noie , Toshiyuki Imai
发明人： Tetsuya Yoshitomi , Joji Noie , Toshiyuki Imai
IPC分类号： H02K29/12
CPC分类号： H02P6/16 , H02P6/08 , Y02P80/116
摘要： A motor control circuit comprising: a rotation control circuit configured to control rotation of a motor based on a rotation control signal for controlling rotation of the motor and a rotational position detection signal from a Hall element for detecting a rotational position of the motor; a determining circuit configured to determine whether the rotation control signal has been generated for a predetermined time period; and a Hall element control circuit configured to apply a Hall element source voltage to the Hall element when the determining circuit determines that the rotation control signal has been generated for the predetermined time period, and to stop applying the Hall element source voltage to the Hall element when the determining circuit determines that the rotation control signal has not necessarily been generated for the predetermined time period.
摘要翻译：一种电动机控制电路，包括：旋转控制电路，被配置为基于用于控制所述电动机的旋转的旋转控制信号和来自用于检测所述电动机的旋转位置的霍尔元件的旋转位置检测信号来控制电动机的旋转; 确定电路，被配置为确定所述旋转控制信号是否已经生成了预定时间段; 以及霍尔元件控制电路，其被配置为当所述确定电路确定所述旋转控制信号已经产生预定时间段时将霍尔元件源电压施加到所述霍尔元件，并且停止将所述霍尔元件源电压施加到所述霍尔元件当确定电路确定在预定时间段内不一定产生旋转控制信号时。

7. 发明申请

US20090102406A1 Motor Control Circuit, Fan Motor, Electronic Device, and Notebook Personal Computer 有权
标题翻译：电机控制电路，风扇电机，电子设备和笔记本电脑
公开(公告)号：US20090102406A1
公开(公告)日：2009-04-23
申请号：US12254731
申请日：2008-10-20
申请人： Tetsuya Yoshitomi , Joji Noie , Toshiyuki Imai
发明人： Tetsuya Yoshitomi , Joji Noie , Toshiyuki Imai
IPC分类号： H02K29/08
CPC分类号： H02P6/16 , H02P6/08 , Y02P80/116
摘要： A motor control circuit comprising: a rotation control circuit configured to control rotation of a motor based on a rotation control signal for controlling rotation of the motor and a rotational position detection signal from a Hall element for detecting a rotational position of the motor; a determining circuit configured to determine whether the rotation control signal has been generated for a predetermined time period; and a Hall element control circuit configured to apply a Hall element source voltage to the Hall element when the determining circuit determines that the rotation control signal has been generated for the predetermined time period, and to stop applying the Hall element source voltage to the Hall element when the determining circuit determines that the rotation control signal has not necessarily been generated for the predetermined time period.
摘要翻译：一种电动机控制电路，包括：旋转控制电路，被配置为基于用于控制所述电动机的旋转的旋转控制信号和来自用于检测所述电动机的旋转位置的霍尔元件的旋转位置检测信号来控制电动机的旋转; 确定电路，被配置为确定所述旋转控制信号是否已经生成了预定时间段; 以及霍尔元件控制电路，其被配置为当所述确定电路确定所述旋转控制信号已经产生预定时间段时将霍尔元件源电压施加到所述霍尔元件，并且停止将所述霍尔元件源电压施加到所述霍尔元件当确定电路确定在预定时间段内不一定产生旋转控制信号时。

8. 发明申请

US20090167219A1 Motor Drive Circuit, Fan Motor, Electronic Device, and Notebook Personal Computer 有权
标题翻译：电机驱动电路，风扇电机，电子设备和笔记本电脑
公开(公告)号：US20090167219A1
公开(公告)日：2009-07-02
申请号：US12252289
申请日：2008-10-15
申请人： Toshiyuki Imai , Tetsuya Yoshitomi , Joji Noie
发明人： Toshiyuki Imai , Tetsuya Yoshitomi , Joji Noie
IPC分类号： H02P1/46 , F04D25/08
CPC分类号： H02P6/22
摘要： A motor drive circuit includes: a pulse generation circuit configured to generate a pulse signal whose duty ratio of one logic level is increased as a drive voltage is increased in accordance with a target rotation speed of a motor; and a drive control circuit that configured to drive the motor with the drive voltage using a duty ratio higher than the duty ratio of the pulse signal when the motor starts rotating from the stopped state, and configured to drive the motor with the drive voltage during a period when the pulse signal is at the one logic level after the motor starts rotating, based on a rotation signal corresponding to the rotation of the motor.
摘要翻译：电动机驱动电路包括：脉冲发生电路，被配置为产生脉冲信号，其脉冲信号的一个逻辑电平的占空比随驱动电压根据电动机的目标转速而增加; 以及驱动控制电路，其被配置为当所述电动机从所述停止状态开始旋转时，使用高于所述脉冲信号的占空比的占空比，以所述驱动电压驱动所述电动机，并且被配置为在所述驱动电压期间驱动所述电动机的驱动电压基于与电动机的旋转相对应的旋转信号，脉冲信号在电动机开始旋转之后处于一个逻辑电平的时段。

9. 发明申请

US20120181966A1 MOTOR SPEED CONTROL CIRCUIT 审中-公开
标题翻译：电机速度控制电路
公开(公告)号：US20120181966A1
公开(公告)日：2012-07-19
申请号：US13349313
申请日：2012-01-12
申请人： Hideaki Nakamura , Toshiyuki Imai
发明人： Hideaki Nakamura , Toshiyuki Imai
IPC分类号： H02P7/00
CPC分类号： H02P23/22
摘要： A motor speed control circuit includes: a first determining circuit configured to determine whether a rotation speed of a motor is higher than a set first rotation speed based on a speed signal corresponding to the rotation speed; a second determining circuit configured to determine whether the rotation speed is higher than a set second rotation speed, which is higher than the first rotation speed, based on the speed signal; and a drive signal output circuit configured to output to a drive circuit configured to drive the motor a drive signal for increasing the rotation speed when the rotation speed is lower than the first rotation speed and decreasing the rotation speed when the rotation speed is higher than the second rotation speed, based on determination results of the first and second determining circuits.
摘要翻译：电动机速度控制电路包括：第一确定电路，被配置为基于与所述转速相对应的速度信号来确定电动机的转速是否高于设定的第一转速; 第二确定电路，被配置为基于所述速度信号来确定所述转速是否高于高于所述第一转速的设定的第二转速; 以及驱动信号输出电路，被配置为输出到驱动电路，所述驱动电路被配置为当所述转速低于所述第一转速时驱动所述电动机用于增加转速的驱动信号，并且当所述转速高于所述第一转速时降低所述转速第二转速，基于第一和第二确定电路的确定结果。

10. 发明申请

US20120075709A1 Production Method of Wafer Lens, Intermediate Die, Optical Component, Molding Die, and Production Method of Molding Die 有权
标题翻译：晶片透镜，中间模具，光学部件，成型模具的制造方法以及成型模具的制造方法
公开(公告)号：US20120075709A1
公开(公告)日：2012-03-29
申请号：US13377390
申请日：2010-04-07
申请人： Tougo Teramoto , Shigeru Hosoe , Akira Sato , Toshiyuki Imai , Yuiti Fujii
发明人： Tougo Teramoto , Shigeru Hosoe , Akira Sato , Toshiyuki Imai , Yuiti Fujii
IPC分类号： G02B3/00 , G02B1/12 , B29D11/00 , G02B1/04
CPC分类号： B29D11/00307 , G02B3/0031 , G02B13/0085
摘要： Provided are a wafer lens production method, an intermediate die, an optical component, a molding die, and a molding die production method. The production method of a wafer lens (1) includes a first intermediate die production step using a die (7), a second intermediate die production step using the first intermediate die (8), and a wafer lens production step using the second intermediate die (9). A first intermediate-die substrate (80) is provided with a depressed section (85) on the surface facing the die (7). When photo-curable resin (84A) is pressed, at least a portion closer to the first intermediate-die substrate (80) among the top (71a) and the peripheral section (77) of the die (7) is arranged in the depressed section (85), and a gap is provided so that the die (7) does not contact with a depressed plane (85a) of the depressed section (85).
摘要翻译：提供了晶片透镜制造方法，中间模具，光学部件，成型模具和成型模具的制造方法。晶片透镜（1）的制造方法包括使用模具（7）的第一中间模具制造工序，使用第一中间模具（8）的第二中间模具制造工序和使用第二中间模具的晶片透镜制造工序（9）。第一中间模具基板（80）在面向模具（7）的表面上设置有凹部（85）。当照射光固化树脂（84A）时，在模具（7）的顶部（71a）和周边部分（77）中至少靠近第一中间模具基板（80）的部分设置在凹陷（85），并且提供间隙，使得模具（7）不与凹部（85）的凹陷平面（85a）接触。

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