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1. 发明授权

US08860346B2 Angle detection device, motor driving device, and image forming apparatus 有权
标题翻译：角度检测装置，电机驱动装置和图像形成装置
公开(公告)号：US08860346B2
公开(公告)日：2014-10-14
申请号：US13649528
申请日：2012-10-11
申请人： Fumihiro Shimizu , Haruyuki Suzuki , Tomohiko Kamatani , Katsuhisa Furuse
发明人： Fumihiro Shimizu , Haruyuki Suzuki , Tomohiko Kamatani , Katsuhisa Furuse
IPC分类号： H02K29/08 , G01D5/245 , H02P21/14
CPC分类号： H02P21/146 , G01D5/2451 , H02P21/18
摘要： Disclosed is an angle detection device including plural sensors that output corresponding sinusoidal signals, wherein each of the sinusoidal signals varies sinusoidally depending on a rotational angle of a rotor of a motor, and each of the sinusoidal signals has a phase that depends on a position of the corresponding sensor; a vector generating unit that generates a vector represented by a result of mutually operating at least two of the sinusoidal signals; a vector rotation unit that rotates the vector by operating the vector and reference sine waves having corresponding phases; and an angle search unit that causes the vector rotation unit to sequentially rotate the vector until a phase of the vector becomes a predetermined phase, and that detects an angle between the vector prior to being rotated and the predetermined phase as the rotational angle of the rotor of the motor.
摘要翻译：公开了一种角度检测装置，其包括输出相应的正弦信号的多个传感器，其中每个正弦信号根据电动机的转子的旋转角正弦变化，并且每个正弦信号具有取决于相应的传感器; 矢量产生单元，其生成由相互操作所述正弦信号中的至少两个的结果表示的矢量; 矢量旋转单元，其通过操作具有相应相位的矢量和参考正弦波来旋转矢量; 以及角度搜索单元，其使所述向量旋转单元顺序旋转所述向量，直到所述向量的相位变为预定相位，并且检测所述向量在旋转之前的角度与所述预定相位之间的角度作为所述转子的旋转角度的电机。

2. 发明申请

US20130106327A1 MOTOR DRIVE CONTROLLER AND CONTROL METHOD 有权
标题翻译：电机驱动控制器和控制方法
公开(公告)号：US20130106327A1
公开(公告)日：2013-05-02
申请号：US13658119
申请日：2012-10-23
申请人： Tomohiko Kamatani , Haruyuki Suzuki , Fumihiro Shimizu , Katsuhisa Furuse
发明人： Tomohiko Kamatani , Haruyuki Suzuki , Fumihiro Shimizu , Katsuhisa Furuse
IPC分类号： H02P6/16
CPC分类号： H02P6/16
摘要： A motor drive controller to drive a motor, based on multiple sensors that generates multiple sensor signals corresponding to different positions of the rotor; including a first phase detector to compare a respective one of the multiple sensor signals with a paired sensor signal from the same sensor to detect phases of the rotor, and output a first phase information signal representing a first detected phase; a phase divider to divide the phases, detected by the first phase detector into multiple predetermined phase intervals; a signal selector to select one of the respective multiple sensor signals from the multiple sensors in the multiple predetermined phase interval; and a second phase detector to detect whether the signal selected by the signal selector reaches a predetermined threshold level corresponding to a predetermined phase of the rotor, and output a second phase information signal representing a second detected phase.
摘要翻译：基于产生对应于转子的不同位置的多个传感器信号的多个传感器驱动马达的马达驱动控制器; 包括第一相位检测器，用于将多个传感器信号中的相应一个与来自相同传感器的成对传感器信号进行比较，以检测转子的相位，并输出表示第一检测相位的第一相位信息信号; 相位分配器，用于将由第一相位检测器检测的相位分成多个预定相位间隔; 信号选择器，用于在所述多个预定相位间隔中从所述多个传感器中选择相应的多个传感器信号之一; 以及第二相位检测器，用于检测由信号选择器选择的信号是否达到与转子的预定相位对应的预定阈值电平，并输出表示第二检测相位的第二相位信息信号。

3. 发明授权

US08872453B2 Motor drive controller and control method 有权
标题翻译：电机驱动控制器及控制方式
公开(公告)号：US08872453B2
公开(公告)日：2014-10-28
申请号：US13658109
申请日：2012-10-23
申请人： Tomohiko Kamatani , Haruyuki Suzuki , Fumihiro Shimizu , Katsuhisa Furuse
发明人： Tomohiko Kamatani , Haruyuki Suzuki , Fumihiro Shimizu , Katsuhisa Furuse
IPC分类号： H02P6/16
CPC分类号： H02P6/16
摘要： A motor drive controller to control a motor via multiple sensors includes a first phase detector to compare respective differential pairs of the sensor signals from the same sensor to detect phases of the rotor, and output a first phase information signal; a second phase detector to compare a respective one of the multiple sensor signals with another sensor signal from the different sensor to detect the phases and output a second phase information signal; a phase divider to divide the phases, detected by the first and second phase detectors, into multiple predetermined phase intervals; a signal selector to select one of the multiple sensor signals in the multiple predetermined phase intervals; and a third phase detector to detect whether the signal selected by the signal selector reaches a predetermined threshold level corresponding to a predetermined phase of the rotor, and output a third phase information signal.
摘要翻译：用于通过多个传感器控制电动机的电动机驱动控制器包括第一相位检测器，用于比较来自同一传感器的传感器信号的各差分对以检测转子的相位，并输出第一相位信息信号; 第二相位检测器，用于将来自所述不同传感器的另一个传感器信号与所述多个传感器信号中的相应一个进行比较，以检测相位并输出第二相位信息信号; 相位分配器，用于将由第一和第二相位检测器检测的相位分成多个预定相位间隔; 信号选择器，用于选择多个预定相位间隔中的多个传感器信号之一; 以及第三相位检测器，用于检测由信号选择器选择的信号是否达到与转子的预定相位对应的预定阈值电平，并输出第三相位信息信号。

4. 发明授权

US08866421B2 Motor drive controller and control method 有权
标题翻译：电机驱动控制器及控制方式
公开(公告)号：US08866421B2
公开(公告)日：2014-10-21
申请号：US13658119
申请日：2012-10-23
申请人： Tomohiko Kamatani , Haruyuki Suzuki , Fumihiro Shimizu , Katsuhisa Furuse
发明人： Tomohiko Kamatani , Haruyuki Suzuki , Fumihiro Shimizu , Katsuhisa Furuse
IPC分类号： H02P6/16
CPC分类号： H02P6/16
摘要： A motor drive controller to drive a motor, based on multiple sensors that generates multiple sensor signals corresponding to different positions of the rotor; including a first phase detector to compare a respective one of the multiple sensor signals with a paired sensor signal from the same sensor to detect phases of the rotor, and output a first phase information signal representing a first detected phase; a phase divider to divide the phases, detected by the first phase detector into multiple predetermined phase intervals; a signal selector to select one of the respective multiple sensor signals from the multiple sensors in the multiple predetermined phase interval; and a second phase detector to detect whether the signal selected by the signal selector reaches a predetermined threshold level corresponding to a predetermined phase of the rotor, and output a second phase information signal representing a second detected phase.
摘要翻译：基于产生对应于转子的不同位置的多个传感器信号的多个传感器驱动马达的马达驱动控制器; 包括第一相位检测器，用于将多个传感器信号中的相应一个与来自相同传感器的成对传感器信号进行比较，以检测转子的相位，并输出表示第一检测相位的第一相位信息信号; 相位分配器，用于将由第一相位检测器检测的相位分成多个预定相位间隔; 信号选择器，用于在所述多个预定相位间隔中从所述多个传感器中选择相应的多个传感器信号之一; 以及第二相位检测器，用于检测由信号选择器选择的信号是否达到与转子的预定相位对应的预定阈值电平，并输出表示第二检测相位的第二相位信息信号。

5. 发明申请

US20130106326A1 MOTOR DRIVE CONTROLLER AND CONTROL METHOD 有权
标题翻译：电机驱动控制器和控制方法
公开(公告)号：US20130106326A1
公开(公告)日：2013-05-02
申请号：US13658109
申请日：2012-10-23
申请人： Tomohiko Kamatani , Haruyuki Suzuki , Fumihiro Shimizu , Katsuhisa Furuse
发明人： Tomohiko Kamatani , Haruyuki Suzuki , Fumihiro Shimizu , Katsuhisa Furuse
IPC分类号： H02P6/16
CPC分类号： H02P6/16
摘要： A motor drive controller to control a motor via multiple sensors includes a first phase detector to compare respective differential pairs of the sensor signals from the same sensor to detect phases of the rotor, and output a first phase information signal; a second phase detector to compare a respective one of the multiple sensor signals with another sensor signal from the different sensor to detect the phases and output a second phase information signal; a phase divider to divide the phases, detected by the first and second phase detectors, into multiple predetermined phase intervals; a signal selector to select one of the multiple sensor signals in the multiple predetermined phase intervals; and a third phase detector to detect whether the signal selected by the signal selector reaches a predetermined threshold level corresponding to a predetermined phase of the rotor, and output a third phase information signal.
摘要翻译：用于通过多个传感器控制电动机的电动机驱动控制器包括第一相位检测器，用于比较来自同一传感器的传感器信号的各差分对以检测转子的相位，并输出第一相位信息信号; 第二相位检测器，用于将来自所述不同传感器的另一个传感器信号与所述多个传感器信号中的相应一个进行比较，以检测相位并输出第二相位信息信号; 相位分配器，用于将由第一和第二相位检测器检测的相位分成多个预定相位间隔; 信号选择器，用于选择多个预定相位间隔中的多个传感器信号之一; 以及第三相位检测器，用于检测由信号选择器选择的信号是否达到与转子的预定相位对应的预定阈值电平，并输出第三相位信息信号。

6. 发明申请

US20130099708A1 ANGLE DETECTION DEVICE, MOTOR DRIVING DEVICE, AND IMAGE FORMING APPARATUS 有权
标题翻译：角度检测装置，电机驱动装置和图像形成装置
公开(公告)号：US20130099708A1
公开(公告)日：2013-04-25
申请号：US13649528
申请日：2012-10-11
申请人： Fumihiro SHIMIZU , Haruyuki Suzuki , Tomohiko Kamatani , Katsuhisa Furuse
发明人： Fumihiro SHIMIZU , Haruyuki Suzuki , Tomohiko Kamatani , Katsuhisa Furuse
IPC分类号： H02P6/16 , G01B7/30
CPC分类号： H02P21/146 , G01D5/2451 , H02P21/18
摘要： Disclosed is an angle detection device including plural sensors that output corresponding sinusoidal signals, wherein each of the sinusoidal signals varies sinusoidally depending on a rotational angle of a rotor of a motor, and each of the sinusoidal signals has a phase that depends on a position of the corresponding sensor; a vector generating unit that generates a vector represented by a result of mutually operating at least two of the sinusoidal signals; a vector rotation unit that rotates the vector by operating the vector and reference sine waves having corresponding phases; and an angle search unit that causes the vector rotation unit to sequentially rotate the vector until a phase of the vector becomes a predetermined phase, and that detects an angle between the vector prior to being rotated and the predetermined phase as the rotational angle of the rotor of the motor.
摘要翻译：公开了一种角度检测装置，其包括输出相应的正弦信号的多个传感器，其中每个正弦信号根据电动机的转子的旋转角正弦变化，并且每个正弦信号具有取决于相应的传感器; 矢量产生单元，其生成由相互操作所述正弦信号中的至少两个的结果表示的矢量; 矢量旋转单元，其通过操作具有相应相位的矢量和参考正弦波来旋转矢量; 以及角度搜索单元，其使所述向量旋转单元顺序旋转所述向量，直到所述向量的相位变为预定相位，并且检测所述向量在旋转之前的角度与所述预定相位之间的角度作为所述转子的旋转角度的电机。

7. 发明授权

US08576887B2 Semiconductor laser driving unit, optical scanner having semiconductor laser driving unit, and image forming apparatus 有权
标题翻译：半导体激光驱动单元，具有半导体激光驱动单元的光学扫描器和图像形成装置
公开(公告)号：US08576887B2
公开(公告)日：2013-11-05
申请号：US13044726
申请日：2011-03-10
申请人： Katsuhisa Furuse , Tomohiko Kamatani
发明人： Katsuhisa Furuse , Tomohiko Kamatani
IPC分类号： H01S3/00
CPC分类号： H01S5/0428
摘要： Disclosed is a semiconductor laser driving unit that outputs a driving current for driving a semiconductor laser. A value of a correction current is set in such a manner as to determine a rising characteristic and/or a falling characteristic of an output of the driving current in accordance with a value of the driving current.
摘要翻译：公开了一种半导体激光器驱动单元，其输出用于驱动半导体激光器的驱动电流。校正电流的值被设定为根据驱动电流的值来确定驱动电流的输出的上升特性和/或下降特性。

8. 发明授权

US09882242B2 Angle detecting device, motor drive controlling device, motor device and method of controlling an angle detecting device 有权
公开(公告)号：US09882242B2
公开(公告)日：2018-01-30
申请号：US15120811
申请日：2015-01-21
申请人： Katsuhisa Furuse , Tomohiko Kamatani
发明人： Katsuhisa Furuse , Tomohiko Kamatani
IPC分类号： H02P21/06 , H01M10/0565 , H01B1/06 , H01B1/08 , H01B1/10 , H01M10/052 , G01B7/30 , G01D5/244 , H02P6/182 , H01M10/0525 , H02P6/16
CPC分类号： H01M10/0565 , G01B7/30 , G01D5/145 , G01D5/2448 , G01D5/24485 , G01D5/2451 , H01B1/06 , H01B1/08 , H01B1/10 , H01M10/052 , H01M10/0525 , H01M2300/0082 , H02P6/16 , H02P6/182 , H02P21/06 , Y02T10/7011
摘要： An angle detecting device, generating phase information for indicating phases corresponding to rotational positions of a rotor of a motor, comprises an intersection detecting unit, configured to detect timing at which paired sensor signals intersect with each other, and to detect points of intersection; an intersection level detecting unit configured to detect intersection levels that are amplitude levels of the sensor signals, based on the timing at which the respective pairs of the sensor signals intersect with each other; an intersection level adjusting unit configured to adjust the detected intersection levels of the sensor signals to a certain amplitude level, and to output a successively selected one of the adjusted sensor signals as an intersection level adjustment signal; and a phase information detecting unit configured to generate detection results indicative of whether the intersection level adjustment signal is greater than respective threshold levels corresponding to the phases, thereby generating the phase information responsive to the detection results.

9. 发明授权

US09529026B2 Angle detector, motor drive controller, and motor device 有权
标题翻译：角度检测器，电机驱动控制器和电机装置
公开(公告)号：US09529026B2
公开(公告)日：2016-12-27
申请号：US14693025
申请日：2015-04-22
申请人： Katsuhisa Furuse
发明人： Katsuhisa Furuse
IPC分类号： G01R33/06 , G01R25/00 , G01D5/14 , H02P6/16 , H02K29/08
CPC分类号： G01R25/00 , G01D5/145 , H02K11/225 , H02K29/08 , H02P6/16
摘要： An angle detector includes a first signal level detector to detect a sensor processed signal having a maximum signal level of a first set of sensor processed signals obtained by signal processing of multiple sensor signals, each of the multiple sensor signals having a signal level corresponding to a rotational position of a rotor of a motor having multiple coils, a signal level adjuster to adjust each signal level of the first set of the sensor processed signals to match the sensor processed signal having a maximum signal level with a first adjustment level, a signal selector to single out a selection signal from a second set of sensor processed signals adjusted by the signal level adjuster, and a phase detector to output a phase information signal in which the signal level of selection signal selected by the signal selector corresponds to a phase of the rotor.
摘要翻译：角度检测器包括：第一信号电平检测器，用于检测具有通过多个传感器信号的信号处理获得的第一组传感器处理信号的最大信号电平的传感器处理信号，所述多个传感器信号中的每一个具有对应于具有多个线圈的电动机的转子的旋转位置;信号电平调节器，用于调节第一组传感器处理信号的每个信号电平，使具有第一调整电平的最大信号电平的传感器处理信号匹配;信号选择器从由信号电平调节器调整的第二传感器处理信号组中选出一个选择信号;以及相位检测器，用于输出相位信息信号，其中由信号选择器选择的选择信号的信号电平对应于转子。

10. 发明申请

US20150311837A1 ANGLE DETECTOR, MOTOR DRIVE CONTROLLER, AND MOTOR DEVICE 有权
标题翻译：角度检测器，电机驱动控制器和电机装置
公开(公告)号：US20150311837A1
公开(公告)日：2015-10-29
申请号：US14693247
申请日：2015-04-22
申请人： Shinichi Kojima , Katsuhisa Furuse
发明人： Shinichi Kojima , Katsuhisa Furuse
IPC分类号： H02P6/16 , G01D21/00 , G01D5/243
CPC分类号： G01D5/24485 , G01D3/024 , G01D5/145 , G01D5/247
摘要： An angle detector includes an intersection phase detector to compare each pair of multiple sensor signals or multiple sensor processed signals generate and output each intersection phase detection signal indicating a phase at which the signal level difference of the each pair is a first maximum hysteresis error after signal levels of signals of the each pair match, an intersection level detector to detect each intersection level and generate and output multiple intersection level signals indicating the detected intersection level, a signal selector to single out a selection signal of the either of the multiple sensor signals or the multiple sensor processed signals; a phase detector to detect that a signal level of the selection signal selected by the signal selector has reached a threshold level and a threshold level adjuster to adjust the threshold level based on the intersection level signal and the first maximum hysteresis error.
摘要翻译：角度检测器包括交叉相位检测器，用于比较每对多个传感器信号，或者多个传感器处理信号产生并输出每个交点相位检测信号，每个相位检测信号指示每一对的信号电平差是信号后的第一最大滞后误差每对信号的电平匹配，交叉点电平检测器，用于检测每个交叉电平，并产生并输出指示所检测的交叉电平的多个交叉电平信号;信号选择器，用于单独选择多个传感器信号的选择信号; 多传感器处理信号; 相位检测器，用于检测由信号选择器选择的选择信号的信号电平已经达到阈值电平;以及阈值电平调节器，基于交点电平信号和第一最大滞后误差来调整阈值电平。

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