公开(公告)号：US08860346B2

公开(公告)日：2014-10-14

申请号：US13649528

申请日：2012-10-11

Applicant: Fumihiro Shimizu ,  Haruyuki Suzuki ,  Tomohiko Kamatani ,  Katsuhisa Furuse

Inventor： Fumihiro Shimizu ,  Haruyuki Suzuki ,  Tomohiko Kamatani ,  Katsuhisa Furuse

IPC: H02K29/08 ,  G01D5/245 ,  H02P21/14

CPC classification number: H02P21/146 ,  G01D5/2451 ,  H02P21/18

Abstract: 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.

Abstract translation: 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。

公开(公告)号：US08576887B2

公开(公告)日：2013-11-05

申请号：US13044726

申请日：2011-03-10

Applicant: Katsuhisa Furuse ,  Tomohiko Kamatani

Inventor： Katsuhisa Furuse ,  Tomohiko Kamatani

IPC: H01S3/00

CPC classification number: H01S5/0428

Abstract: 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.

Abstract translation: 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。

公开(公告)号：US20130106327A1

公开(公告)日：2013-05-02

申请号：US13658119

申请日：2012-10-23

Applicant: Tomohiko Kamatani ,  Haruyuki Suzuki ,  Fumihiro Shimizu ,  Katsuhisa Furuse

Inventor： Tomohiko Kamatani ,  Haruyuki Suzuki ,  Fumihiro Shimizu ,  Katsuhisa Furuse

IPC: H02P6/16

CPC classification number: H02P6/16

Abstract: 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.

Abstract translation: 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。

公开(公告)号：US08248140B2

公开(公告)日：2012-08-21

申请号：US12877575

申请日：2010-09-08

Applicant: Tomohiko Kamatani

Inventor： Tomohiko Kamatani

IPC: H03L5/00

CPC classification number: H03K5/084 ,  G06F1/3296 ,  Y02D10/172

Abstract: A semiconductor device includes an internal circuit to perform a predetermined function at a plurality of different supply power voltages, a power supply voltage region detector to detect a supply power voltage to output a detection signal, a latch to store the signal output from the power supply voltage region detector and output the stored signal as a power supply voltage region signal, and a reset circuit to generate a reset signal to perform a predetermined reset operation on the internal circuit. The latch stores the output signal from the power supply voltage region detector just after the reset operation for the internal circuit is released, and the internal circuit changes an internal setting according to the power supply voltage region signal output from the latch.

Abstract translation: 半导体器件包括在多个不同电源电压下执行预定功能的内部电路，用于检测供电电压以输出检测信号的电源电压区域检测器，用于存储从电源输出的信号的锁存器 电压区域检测器，并将所存储的信号作为电源电压区域信号输出，以及复位电路，以产生复位信号，以对内部电路执行预定的复位操作。 在内部电路的复位操作被解除之后，锁存器存储来自电源电压区域检测器的输出信号，并且内部电路根据从锁存器输出的电源电压区域信号改变内部设置。

公开(公告)号：US20120134379A1

公开(公告)日：2012-05-31

申请号：US13386476

申请日：2010-07-14

Applicant: Tomohiko Kamatani

Inventor： Tomohiko Kamatani

IPC: H01S5/0683 ,  H01S5/062

CPC classification number: H01S5/4025 ,  H01S5/0427 ,  H01S5/06832 ,  H04N9/3129

Abstract: A disclosed multi-beam laser power control circuit includes a light receiving element receiving power output from semiconductor lasers to control output power of a semiconductor laser array having plural semiconductor lasers, automatic power control circuits (APC circuits) controlling emission power output from semiconductor lasers based on received corresponding automatic power control execution signals so as to be set to predetermined emission power based on output from the light receiving element, and APC execution signal input terminals inputting the corresponding automatic power control execution signals, wherein, when plural APC execution signals input to the corresponding APC execution signal input terminals are overlapped, the automatic power control circuits (APC circuits) to be preferentially operated is determined based on input timings of the APC execution signals and operated.

Abstract translation: 所公开的多光束激光功率控制电路包括接收来自半导体激光器的功率输出以控制具有多个半导体激光器的半导体激光器阵列的输出功率的光接收元件，控制从半导体激光器输出的发射功率的自动功率控制电路（APC电路） 在接收到相应的自动功率控制执行信号时，基于来自光接收元件的输出被设置为预定的发射功率，以及输入相应的自动功率控制执行信号的APC执行信号输入端，其中当多个APC执行信号输入到 相应的APC执行信号输入端重叠，基于APC执行信号的输入定时确定要优先操作的自动功率控制电路（APC电路）并进行操作。

公开(公告)号：US20120014401A1

公开(公告)日：2012-01-19

申请号：US13181658

申请日：2011-07-13

Applicant: Tomohiko KAMATANI

Inventor： Tomohiko KAMATANI

IPC: H01S3/10

CPC classification number: H01S5/042 ,  B41J2/471 ,  G02B26/123 ,  G06K15/12 ,  H01S5/0683

Abstract: A semiconductor laser driver to execute automatic power control (APC) for multiple semiconductor lasers based on a common APC output from an image controller. The semiconductor laser driver includes a drive circuit to generate an individual APC signal to execute APC for each semiconductor laser based on the common APC signal.

Abstract translation: 一种半导体激光驱动器，用于基于图像控制器的公共APC输出执行多个半导体激光器的自动功率控制（APC）。 半导体激光器驱动器包括驱动电路，以产生单个APC信号，以根据公共APC信号为每个半导体激光器执行APC。

公开(公告)号：US20110051764A1

公开(公告)日：2011-03-03

申请号：US12868182

申请日：2010-08-25

Applicant: Tomohiko Kamatani

Inventor： Tomohiko Kamatani

IPC: H01S3/10

CPC classification number: H01S5/042 ,  H01S5/0428 ,  H01S5/0683

Abstract: A laser diode drive circuit includes a power supply circuit connected to an anode of a laser diode to supply a variable voltage to the laser diode, and a drive current control circuit connected to a cathode of the laser diode to control a current of the laser diode. The power supply circuit generates a start-up voltage which is equal to the sum of the maximum drive voltage that is larger than the drive voltage and a predetermined first reference voltage, acquires a cathode voltage of the laser diode while the start-up voltage is generated, generates a voltage by lowering from the start-up voltage so as to diminish the difference between the acquired cathode voltage and the first reference voltage, and the first reference voltage is the minimum cathode voltage necessary to supply a predetermined current to the laser diode by the drive current control circuit.

Abstract translation: 激光二极管驱动电路包括连接到激光二极管的阳极以向激光二极管提供可变电压的电源电路，以及驱动电流控制电路，连接到激光二极管的阴极以控制激光二极管的电流 。 电源电路产生等于大于驱动电压的最大驱动电压和预定的第一参考电压之和的启动电压，获取激光二极管的阴极电压，而启动电压为 通过从启动电压降低而产生电压，从而减小所获取的阴极电压和第一参考电压之间的差异，并且第一参考电压是向激光二极管提供预定电流所需的最小阴极电压 由驱动电流控制电路。

公开(公告)号：US07679296B2

公开(公告)日：2010-03-16

申请号：US12117237

申请日：2008-05-08

Applicant: Tomohiko Kamatani

Inventor： Tomohiko Kamatani

IPC: H05B37/02

CPC classification number: H05B33/0818

Abstract: A drive circuit includes a constant voltage circuit to supply a constant voltage to one terminal of a load, a constant current circuit to supply a predetermined constant current to another terminal of the load in accordance with a pulse signal input externally, and a first reference voltage generator to generate and output a first reference voltage in accordance with an output voltage at an output terminal of the constant current circuit. The constant voltage circuit controls so that the first reference voltage is proportional to the output voltage output to the load.

Abstract translation: 驱动电路包括：恒压电路，用于向负载的一个端子提供恒定电压;恒定电流电路，用于根据外部输入的脉冲信号向负载的另一个端子提供预定的恒定电流;以及第一参考电压 发电机根据恒流电路的输出端的输出电压产生并输出第一参考电压。 恒压电路控制使得第一参考电压与输出到负载的输出电压成比例。

公开(公告)号：US07649343B2

公开(公告)日：2010-01-19

申请号：US11710900

申请日：2007-02-27

Applicant: Tomohiko Kamatani

Inventor： Tomohiko Kamatani

IPC: H02J7/06 ,  H02J7/00 ,  H02J7/04

CPC classification number: H01M10/44 ,  H01M10/48 ,  H02J7/0036 ,  H02J7/0072

Abstract: Electrical connection between a charging device and a secondary battery is checked during a wait time in which a charge mode of the charging device is selected. When the electrical connection is not successfully established, a charge current is not supplied from the charging device to the secondary battery.

Abstract translation: 在选择充电装置的充电模式的等待时间期间，检查充电装置与二次电池之间的电连接。 当电气连接未成功建立时，不会从充电装置向二次电池供应充电电流。

公开(公告)号：US20080012624A1

公开(公告)日：2008-01-17

申请号：US11821457

申请日：2007-06-21

Applicant: Tomohiko Kamatani

Inventor： Tomohiko Kamatani

IPC: H01H85/00

CPC classification number: H01L27/0629 ,  H01C7/006 ,  H01C17/22 ,  H01L27/0802

Abstract: A trimming circuit is disclosed. The trimming circuit includes a first trimming circuit having resistors and fuses, and a second trimming circuit having a resistor, an NMOS transistor, and a control circuit. The control circuit includes an inverter circuit and a series circuit in which a resistor and fuses are connected in series. The first trimming circuit is connected with a reference resistor in series and the second trimming circuit is connected with the reference resistor in parallel.

Abstract translation: 公开了一种微调电路。 微调电路包括具有电阻器和熔丝的第一微调电路和具有电阻器，NMOS晶体管和控制电路的第二微调电路。 控制电路包括反相器电路和串联电路，其中电阻器和保险丝串联连接。 第一微调电路与参考电阻串联连接，第二微调电路并联连接参考电阻。