公开(公告)号：US06323634B1

公开(公告)日：2001-11-27

申请号：US09484793

申请日：2000-01-18

申请人： Shiro Nakagawa ,  Katsuaki Tanaka ,  Katsumi Yabusaki ,  Yoshihisa Okita

发明人： Shiro Nakagawa ,  Katsuaki Tanaka ,  Katsumi Yabusaki ,  Yoshihisa Okita

IPC分类号： G01R3300

CPC分类号： G01R15/20 ,  G01R33/04

摘要： A magnetic sensor apparatus comprises a magnetic detector (101) that outputs a signal responsive to a magnetic field and a magnetic substance (110) having a cavity (111) in which the magnetic detector (101) is placed. The magnetic detector (101) is placed in the cavity (111) of the magnetic substance (110). The ratio between a magnetic field (H) to be measured and a magnetic field applied to the magnetic detector (101) is set to a specific value, based on at least one of a first demagnetizing factor depending on the shape of the magnetic substance (110) and a second demagnetizing factor depending on the shape of the cavity (111). The magnetic sensor apparatus further comprises a feedback coil (112) that applies a negative feedback magnetic field to the magnetic detector (101) and a reference magnetic field coil (113) that applies a reference alternating magnetic filed to the magnetic detector (101) for controlling the property of the magnetic detector (101).

摘要翻译： 磁传感器装置包括输出响应于磁场的信号的磁检测器（101）和具有放置磁检测器（101）的空腔（111）的磁性体（110）。 磁检测器（101）放置在磁性物质（110）的空腔（111）中。 基于磁性物质的形状的第一退磁系数中的至少一个，将要测量的磁场（H）和施加到磁​​性检测器（101）的磁场之间的比率设定为特定值（ 110）和取决于空腔（111）的形状的第二去磁因子。 磁传感器装置还包括向磁检测器（101）施加负反馈磁场的反馈线圈（112）和将参考交变磁场施加到磁检测器（101）的参考磁场线圈（113），用于 控制磁检测器（101）的性质。

公开(公告)号：US06411078B1

公开(公告)日：2002-06-25

申请号：US09487802

申请日：2000-01-20

申请人： Shiro Nakagawa ,  Kazuyuki Itoh ,  Katsuaki Tanaka ,  Katsumi Yabusaki

发明人： Shiro Nakagawa ,  Kazuyuki Itoh ,  Katsuaki Tanaka ,  Katsumi Yabusaki

IPC分类号： G01R3300

CPC分类号： G01R15/20 ,  G01R15/183

摘要： It is an object of the invention to provide a current sensor apparatus that reduces measurement errors resulting from variations in a position of a current path passing through the space inside a magnetic yoke. The current sensor apparatus comprises a ring-shaped magnetic yoke (2) surrounding a current path (1), part of the yoke having a gap (3), and a magnetic sensor element (4) placed in the gap (3) of the magnetic yoke (2). The magnetic sensor element (4) detects a magnetic field in the gap (3) generated by a current flowing through the current path (1) to measure the current flowing through the current path (1). The current sensor apparatus further comprises a magnetic field interrupter (5), placed between the current path (1) and the gap (3), for interrupting a magnetic field corresponding to a magnetic flux generated by the current passing through the current path (1) and not passing through the magnetic yoke (2), so that the magnetic field would not reach the magnetic sensor element (4).

摘要翻译： 本发明的目的是提供一种电流传感器装置，该电流传感器装置减少了通过磁轭内的空间的电流路径的位置变化引起的测量误差。 电流传感器装置包括围绕电流路径（1）的环形磁轭（2），具有间隙（3）的磁轭的一部分和放置在电机的间隙（3）中的磁传感器元件（4） 磁轭（2）。 磁传感器元件（4）检测由流过电流路径（1）的电流产生的间隙（3）中的磁场，以测量流过电流通路（1）的电流。 电流传感器装置还包括设置在电流路径（1）和间隙（3）之间的磁场断续器（5），用于中断与通过电流路径（1）的电流产生的磁通相对应的磁场 ）并且不通过磁轭（2），使得磁场将不会到达磁性传感器元件（4）。

公开(公告)号：US06438004B1

公开(公告)日：2002-08-20

申请号：US10033412

申请日：2001-12-26

申请人： Katsuaki Tanaka ,  Yoshihisa Okita ,  Kazuyuki Itoh

发明人： Katsuaki Tanaka ,  Yoshihisa Okita ,  Kazuyuki Itoh

IPC分类号： H02H7122

CPC分类号： H02M7/5233 ,  H02M1/12 ,  H02M7/4826 ,  H02M2001/0048 ,  Y02B70/1491

摘要： The present invention discloses a power conversion apparatus comprising a control circuit for generating a switching signal at the timing allowing soft-switching to be achieved, and free from any occurrence of ripple. The power conversion apparatus includes a first main switch (Q1) and a second main switch (Q2) which are connected in series with each other. One of the ends of the first main switch is connected with the positive side of a DC power supply, and one of the ends of the second main switch is connected to the negative side of the DC power supply. A diode (D1, D2) is connected in parallel with each of the main switches so as to become reverse biased with respect to the DC power supply. A main-switch snubber capacitor (C1, C2) is connected in parallel with each of the main switches. A load is connected with the junction between the pair of main switches, and the main switches are controllably switched according a switching signal from a control circuit to generate an output. A first auxiliary resonant circuit including serial-connected first and second auxiliary switches (Q3, Q4, Q5, Q6) and a resonant inductor (L1) connected in series with the second auxiliary switch is connected with each of the positive side of the DC power supply and the junction between the two main switches. A diode is connected to each of the first and second auxiliary switches so as to become reverse biased with respect to the DC power supply. The control circuit provides a turn-on signal to the first and second auxiliary switches according to a voltage signal as an input representing the voltage across each of the main switches and auxiliary switches from voltage detecting means before a turn-on signal as the switching signal is provided to the first main switch.

摘要翻译： 本发明公开了一种电力转换装置，包括控制电路，用于在允许实现软切换的时刻产生开关信号，并且不发生纹波。电力转换装置包括第一主开关（Q1）和 第二主开关（Q2），它们彼此串联连接。 第一主开关的一端与直流电源的正极连接，第二主开关的一端与直流电源的负极连接。 二极管（D1，D2）与每个主开关并联连接，以便相对于直流电源反向偏置。 主开关缓冲电容器（C1，C2）与每个主开关并联连接。 负载与一对主开关之间的连接点连接，并且主开关根据来自控制电路的开关信号可控地切换以产生输出。 包括串联连接的第一和第二辅助开关（Q3，Q4，Q5，Q6）和与第二辅助开关串联连接的谐振电感器（L1）的第一辅助谐振电路与直流电源的正极侧 供应和两个主开关之间的连接处。 二极管连接到第一和第二辅助开关中的每一个，以便相对于直流电源反向偏置。 控制电路根据作为输入的电压信号向第一辅助开关和第二辅助开关提供导通信号，该输入表示在作为开关信号的导通信号之前，来自电压检测装置的每个主开关和辅助开关上的电压 被提供给第一主开关。

公开(公告)号：US06414854B2

公开(公告)日：2002-07-02

申请号：US09873606

申请日：2001-09-07

申请人： Kazuyuki Itoh ,  Yoshihisa Okita ,  Katsuaki Tanaka ,  Yoshinobu Takayanagi

发明人： Kazuyuki Itoh ,  Yoshihisa Okita ,  Katsuaki Tanaka ,  Yoshinobu Takayanagi

IPC分类号： H02M3335

CPC分类号： H02M1/08 ,  H02M3/155 ,  H02M2001/0048 ,  Y02B70/1491

摘要： In a power conversion apparatus using a semiconductor switching element, a collector-emitter voltage detecting device is provided to detect the collector-emitter voltage in the semiconductor switching element in the power conversion apparatus in order to comprehensively reduce switching loss and conduction loss arising in a switching element. A base current supplied to the switching element is controlled based on the detected collector-emitter voltage so as to control the collector-emitter voltage or control a regenerative power to be transmitted from a switching element driving power supply to an external auxiliary power supply or the like. This provides an optimum driving in consideration of factors including dispersion in a specific current amplification factor (hfe) of the switching element, variance in the hfe caused by temperature, and variance in the hfe to a current flowing through the switching element, for reducing a sum of conduction loss and driving power of the switching element.

公开(公告)号：US06208541B1

公开(公告)日：2001-03-27

申请号：US09599926

申请日：2000-06-22

申请人： Kazuyuki Itoh ,  Yoshihisa Okita ,  Katsuaki Tanaka

发明人： Kazuyuki Itoh ,  Yoshihisa Okita ,  Katsuaki Tanaka

IPC分类号： H02M324

CPC分类号： H02M7/538 ,  H02M2001/0048 ,  Y02B70/1491

摘要： This PWM inverter apparatus includes a first and second current control type semiconductor switching elements connected in series which are connected in parallel to a DC power supply. An output is generated by alternately switching the first and second semiconductor switching elements. Resistive semiconductor switching elements having a higher switching speed than the first and second semiconductor switching elements and a resistance-to-current characteristics producing a voltage drop are respectively connected in parallel to respective the first and second semiconductor switching elements. In a half cycle of an alternating output current, while the output current is higher than a predetermined rate with respect to a peak current, a switching timing is controlled to produce a switching control signal to the resistive semiconductor switching elements ahead of a switching control signal to the first and second semiconductor switching elements, and to terminate the switching control signal to the resistive semiconductor switching elements at a time when a predetermined period passes after the switching control signal given to the first and second semiconductor switching elements has been terminated. In the half cycle of the alternating output current, while the output current is lower than the predetermined rate with respect to the peak current, the switching timing is controlled to generate the output by the switching operation only of the resistive semiconductor switching elements.

摘要翻译： 该PWM逆变器装置包括并联连接到DC电源的串联连接的第一和第二电流控制型半导体开关元件。 通过交替地切换第一和第二半导体开关元件来产生输出。 具有比第一和第二半导体开关元件更高的开关速度的电阻半导体开关元件和产生电压降的电阻 - 电流特性分别并联连接到第一和第二半导体开关元件。 在交流输出电流的半周期中，当输出电流相对于峰值电流高于预定速率时，控制切换定时以在切换控制信号之前产生到电阻性半导体开关元件的切换控制信号 并且在给予第一和第二半导体开关元件的开关控制信号已经终止之后，在预定周期经过时，将开关控制信号终止于电阻性半导体开关元件。 在交流输出电流的半周期中，当输出电流相对于峰值电流低于预定速率时，控制开关定时以仅通过电阻式半导体开关元件的开关操作产生输出。

公开(公告)号：US06353543B2

公开(公告)日：2002-03-05

申请号：US09858341

申请日：2001-05-14

申请人： Kazuyuki Itoh ,  Yoshihisa Okita ,  Katsuaki Tanaka

发明人： Kazuyuki Itoh ,  Yoshihisa Okita ,  Katsuaki Tanaka

IPC分类号： H02M3335

CPC分类号： H02M7/5387 ,  H02M3/1584 ,  H02M3/33576

摘要： A switching circuit for a power conversion apparatus capable of reducing conduction loss to provide a higher efficiency, and achieving downsizing and weight-reduction and higher driving frequency based on the improved efficiency is disclosed. A driving transistor is connected to a switching main transistor to supply a driving power for ON-OFF driving thereto, and an auxiliary power source composed of a current transformer is provided between the main transistor and the driving transistor. An auxiliary transistor having a lower switching loss than that of the main transistor is connected in parallel with the main transistor to form a main switch in combination with the main transistor. A current-driven type transistor serves as the main transistor, and voltage-driven type transistors serve as both of the driving transistor and the auxiliary transistor. The auxiliary transistor is adapted to be driven at a higher speed than that of the main transistor when the main transistor is turned on, and adapted to be driven at a lower speed than that of the main transistor when the main transistor is turned off.

摘要翻译： 公开了一种用于能够降低传导损耗以提供更高效率并且基于提高的效率实现小型化和减轻重量并且实现更高驱动频率的功率转换装置的开关电路。 驱动晶体管连接到开关主晶体管以提供用于导通驱动的驱动电源，并且在主晶体管和驱动晶体管之间设置由电流互感器组成的辅助电源。 具有比主晶体管低的开关损耗的辅助晶体管与主晶体管并联连接以与主晶体管组合形成主开关。 电流驱动型晶体管用作主晶体管，电压驱动型晶体管用作驱动晶体管和辅助晶体管两者。 当主晶体管导通时，辅助晶体管适于以比主晶体管更高的速度被驱动，并且当主晶体管截止时，辅助晶体管适于以比主晶体管低的速度被驱动。

公开(公告)号：US06614667B1

公开(公告)日：2003-09-02

申请号：US09830102

申请日：2001-04-23

申请人： Kazuyuki Itoh ,  Yoshihisa Okita ,  Katsuaki Tanaka ,  Yoshinobu Takayanagi

发明人： Kazuyuki Itoh ,  Yoshihisa Okita ,  Katsuaki Tanaka ,  Yoshinobu Takayanagi

IPC分类号： H02M3335

CPC分类号： H02M1/08 ,  H03K17/04213 ,  H03K17/0424 ,  H03K2217/0036

摘要： A power conversion apparatus capable of reducing the conduction loss to achieve high efficiency yielding a downsized and weight-reduced apparatus and a method for driving such a power conversion apparatus is disclosed. A power conversion apparatus comprising a switching-element driving circuit which includes a current transformer having a primary coil connected to an current control type switching element, and a driving-current generating circuit formed of a secondary coil of the current transformer and a rectifying circuit connected to the secondary coil, wherein an output current generated in the driving-current generating circuit is supplied to the switching element as a driving current of the switching element, and a method for driving the switching element of such a power conversion apparatus are disclosed. This method comprises the steps of detecting an output current of the switching element, and extracting a part of the output current of the driving-current generating circuit out of the switching-element driving circuit so as to variably controlling the driving current of the switching element in response to the output current of the switching element. Preferably, the output current of the driving-current generating circuit extracted out of the switching-element driving circuit is supplied to any other auxiliary power supply as a regenerative power.

摘要翻译： 公开了一种能够降低传导损耗以实现高效率产生小型化和减重装置的电力转换装置和用于驱动这种电力转换装置的方法。 一种电力转换装置，包括开关元件驱动电路，该开关元件驱动电路包括具有连接到电流控制型开关元件的初级线圈的电流互感器以及由电流互感器的次级线圈形成的驱动电流产生电路和连接到电流互感器的整流电路 到二次线圈，其中在驱动电流产生电路中产生的输出电流作为开关元件的驱动电流被提供给开关元件，并且公开了一种用于驱动这种电力转换装置的开关元件的方法。 该方法包括以下步骤：检测开关元件的输出电流，并将驱动电流产生电路的输出电流的一部分提取出开关元件驱动电路，以便可变地控制开关元件的驱动电流 响应于开关元件的输出电流。 优选地，从开关元件驱动电路抽出的驱动电流产生电路的输出电流作为再生电力被提供给任何其它辅助电源。

公开(公告)号：US06172882B2

公开(公告)日：2001-01-09

申请号：US09469276

申请日：1999-12-22

申请人： Katsuaki Tanaka ,  Yoshihisa Okita ,  Kazuyuki Ito

发明人： Katsuaki Tanaka ,  Yoshihisa Okita ,  Kazuyuki Ito

IPC分类号： H02M3335

CPC分类号： H02M7/5387 ,  H02M2007/4811

摘要： The present invention provide a partial resonance PWM converter capable of making the switching loss occurring at a switch approximately zero and high efficiency by controlling a switching timing. A series circuit composed of upper and lower main switches is connected in parallel with a DC power supply, and diodes are respectively connected in parallel with each of the main switches in the opposite direction of a polarity of the DC power supply. A series circuit composed of upper and lower auxiliary switches is connected in parallel with the DC power supply, and diodes are respectively connected in parallel with each of the auxiliary switches in the opposite direction of the polarity of the DC power supply. A series resonance circuit composed of a capacitor and an inductor is inserted between the juncture of the upper and lower main switches and a juncture of the upper and lower auxiliary switches. The switching timing is controlled to make the auxiliary switch turn on just before the main switch is switched, to make the main switch turn off during the diode connected in parallel with each of the main switches is in ON condition, and to make the auxiliary switch turn off during the ON condition of the diode connected in parallel with each of the auxiliary switches.

摘要翻译： 本发明提供一种部分谐振PWM转换器，其能够通过控制切换定时使开关处的开关损耗在近似为零和高效率下发生。 由上，下主开关构成的串联电路与直流电源并联连接，二极管与直流电源极性相反的方向分别与主开关并联。 由上，下辅助开关构成的串联电路与直流电源并联连接，二极管分别与直流电源极性相反的方向与各辅助开关并联。 由电容器和电感器组成的串联谐振电路插入在上下主开关的接合部和上下辅助开关的接合部之间。 控制切换定时，使辅助开关刚好在主开关切换之前打开，使主开关在与主开关并联连接的二极管处于导通状态时关闭，并使辅助开关 在与每个辅助开关并联连接的二极管的导通条件期间关闭。

公开(公告)号：US07610144B2

公开(公告)日：2009-10-27

申请号：US11396631

申请日：2006-04-04

申请人： Katsuaki Tanaka ,  Yoshibumi Fukuda ,  Yoshitaka Atarashi ,  Tadashi Kamiwaki

发明人： Katsuaki Tanaka ,  Yoshibumi Fukuda ,  Yoshitaka Atarashi ,  Tadashi Kamiwaki

IPC分类号： G01C21/00

CPC分类号： G08G1/096844 ,  G01C21/26 ,  G06F21/121

摘要： A navigation apparatus includes a receiving section for receiving program via a communication unit, a driving determining section for determining whether a vehicle equipped with the navigation apparatus is running or not if receiving a start request for the program, and an execution control section for activating the program if it is determined that the vehicle is running by the driving determining section and also if the program received by the receiving section is authorized. The executing control section cancels executing the program if it is determined that the vehicle is running by the driving determining section and also if the program received by the receiving section is not authorized.

摘要翻译： 一种导航装置，包括：接收部，其经由通信部接收节目;驾驶判定部，其对于接收到所述节目的开始请求，判断配备有所述导航装置的车辆是否在行驶;以及执行控制部， 如果由驾驶确定部确定车辆正在行驶，以及由接收部分接收到的节目是否被授权的程序。 如果由驾驶确定部确定车辆正在行驶，并且接收部分接收的节目是否被授权，则执行控制部分取消执行该节目。

公开(公告)号：US20080077319A1

公开(公告)日：2008-03-27

申请号：US11535626

申请日：2006-09-27

申请人： Manabu Kato ,  Deepak Ramaswamy ,  Sadanori Horiguchi ,  Katsuaki Tanaka

发明人： Manabu Kato ,  Deepak Ramaswamy ,  Sadanori Horiguchi ,  Katsuaki Tanaka

IPC分类号： G01C21/32

CPC分类号： G01C21/3611 ,  G01C21/3679

摘要： A navigation method and system for determining a desired geographic location. An intersection is first inputted by road names after which all intersections within a predetermined geographic area are identified which correspond to the inputted intersection. In the event that the number of identified intersections exceeds a predetermined threshold, additional information is optionally inputted regarding the desired geographic location and thereafter the identified locations are searched to determine the desired geographic location by utilizing the additional information.

摘要翻译： 一种用于确定所需地理位置的导航方法和系统。 首先通过道路名称输入交叉点，之后识别出与所输入的交叉路口相对应的预定地理区域内的所有交叉口。 在所识别的交叉点的数量超过预定阈值的情况下，可选择地针对期望的地理位置输入附加信息，此后通过利用附加信息来搜索所识别的位置以确定期望的地理位置。