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    • 22. 发明授权
    • Transformer apparatus for use in insulated switching power supply apparatus with reduction of switching noise
    • 用于具有降低开关噪声的绝缘开关电源装置中的变压器装置
    • US06377153B1
    • 2002-04-23
    • US09652372
    • 2000-08-30
    • Haruhiko YamanakaHideki Wakamatsu
    • Haruhiko YamanakaHideki Wakamatsu
    • H01F2728
    • H01F27/362H01F3/10H01F19/08H01F30/16
    • A transformer apparatus which can reduce a switching noise current flowing between a primary side ground and a secondary side ground is provided. The transformer apparatus includes a first core having a first primary winding wound around the first core, and second core having the substantially same structure as that of the first core, and having a second primary winding wound around the second core. The second primary winding is connected in parallel to the first primary winding. The transformer apparatus further includes a third core having a secondary winding around the third core, which is entirely and electrostatically shielded by a first conductor housing. The third core is arranged so as to be sandwiched between the first and second cores via first and second electrostatically shielding disks electrically connected to a second conductor housing. The first, second and third cores are electrically connected by the second conductor housing operating as one-turn winding, and are electrostatically and magnetically shielded from the outside of the transformer apparatus by the second conductor housing.
    • 提供一种能够降低在一次侧接地和次级侧接地之间流动的开关噪声电流的变压器装置。 该变压器装置包括:第一铁心,具有卷绕在第一铁心上的第一初级绕组,第二铁芯具有与第一铁芯基本相同的结构,并且具有卷绕在第二铁芯上的第二初级绕组。 第二初级绕组与第一初级绕组并联连接。 变压器装置还包括具有围绕第三芯的次级绕组的第三芯,其由第一导体外壳完全和静电屏蔽。 第三芯通过电连接到第二导体外壳的第一和第二静电屏蔽盘被布置成夹在第一和第二芯之间。 第一,第二和第三芯通过作为单匝绕组工作的第二导体外壳电连接,并通过第二导体外壳与变压器装置的外部静电和磁屏蔽。
    • 23. 发明授权
    • Electromagnetic induction-type probe
    • 电磁感应式探头
    • US5680051A
    • 1997-10-21
    • US579318
    • 1995-12-27
    • Hideki Wakamatsu
    • Hideki Wakamatsu
    • G01R1/06G01N27/02G01N27/74G01R27/02G01R27/22G01R27/26
    • G01R27/22G01N27/023
    • An electromagnetic induction-type probe, for measuring the electrical properties of a solution, exhibits both a reduced size and a wide band property. The probe includes a primary transformer, composed of a toroidal core with a primary coil winding, a secondary transformer composed of a toroidal core with a secondary, coil winding, an electrostatic shield and coaxial cables which connect the probe and the main frame of a measuring instrument. The structure of the probe is symmetrical in order to eliminate measurement errors due to the asymmetry of the electrical field produced in the solution. The symmetry of the electrical field in the solution is maintained up to the high-frequency region and a wide-band effectiveness is realized by connecting the center tap terminal of a balancer to the outer conductors of the coaxial cables and the other terminals of the balancer to both ends of the gap of the electrostatic shield. Since the balancer can be contained in the handle of the probe, the size of the probe is reduced.
    • 用于测量溶液的电性能的电磁感应型探头具有减小的尺寸和宽带特性。 探头包括一个初级变压器,由一个初级线圈绕组的环形铁芯组成,一个二次变压器由一个环形铁芯与一个二次线圈绕组组成,一个静电屏蔽和同轴电缆连接探头和主机架的测量 仪器。 探针的结构是对称的,以消除由于溶液中产生的电场不对称引起的测量误差。 解决方案中的电场的对称性被维持到高频区域,并且通过将平衡器的中心抽头端子连接到同轴电缆的外导体和平衡器的其它端子来实现宽带效应 到静电屏蔽间隙的两端。 由于平衡器可以容纳在探头的手柄中,因此探头的尺寸减小。
    • 24. 发明授权
    • Hydraulic pressure control system
    • 液压控制系统
    • US5676026A
    • 1997-10-14
    • US529493
    • 1995-09-18
    • Yoshihiro TsuboiHideki Wakamatsu
    • Yoshihiro TsuboiHideki Wakamatsu
    • F16H61/00F16H57/02F16H59/00
    • F16H61/0009Y10T74/2186
    • A valve body assembly for an automatic transmission formed by superimposing and clamping a torque converter casing, a first separation plate, a main valve body, a second separation plate, a second valve body, a third separation plate and a servo body. Pairs of first separation plates and pairs of second separation plates are provided, one pair for 7-position types of automatic transmissions and another pair for 6-position types of automatic transmissions and are, respectively, selected, used and assembled between the converter casing and main valve body and the main valve body and second valve body depending upon whether a 7-position type of transmission or a 6-position type of transmission is being assembled. Thus, general purpose properties are provided to the valve body assemblies used in hydraulic pressure control systems for 7-position type and 6-position type automatic transmissions for vehicles and the like.
    • 一种用于通过叠加和夹紧变矩器壳体,第一分离板,主阀体,第二分离板,第二阀体,第三分离板和伺服体而形成的自动变速器的阀体组件。 提供了一对第一分隔板和一对第二分隔板,一对用于7位自动变速器,另一对用于6位自动变速器,并分别选择,使用和组装在转换器壳体和 主阀体和主阀体以及第二阀体,这取决于是否组装了七位传动装置或六位传动装置。 因此,通用特性被提供给用于车辆等的7位式和6位式自动变速器的液压控制系统中使用的阀体组件。
    • 25. 发明授权
    • IC contactor
    • IC接触器
    • US5545045A
    • 1996-08-13
    • US296914
    • 1994-08-31
    • Hideki Wakamatsu
    • Hideki Wakamatsu
    • G01R31/26H01L21/66H01R33/76H05K7/10H01R9/09
    • H05K7/1023H01L2924/0002
    • An IC contactor including a plurality of contact pins arranged in a line near a periphery of an IC receiving member so as to correspond to a plurality of external lead pins of an IC, mounted on the receiving member. The contact pins include a plurality of first contact pins and a plurality of second contact pins arranged alternately. The first contact pins each have a projecting portion projected in a downward direction, and the second contact pins each have a projecting portion projected in an upward direction. First separators are each interposed between the projecting portions of adjacent first contact pins, and second separators are each interposed between the projecting portions of adjacent second contact pins. Since the directions in which the projection portions of the first and second contact pins are projected are opposite from each other, the separators can be arranged alternately on different lines. Therefore, the contact pins and separators each have a sufficient width, and the width of each contact pin can be made greater than that of each of external lead pins of the semiconductor package.
    • 一种IC接触器,包括安装在接收构件上的与IC接收构件的周围布置成线的多个接触针,以对应于IC的多个外部引线引脚。 接触销包括交替布置的多个第一接触销和多个第二接触销。 第一接触销各自具有沿向下方向突出的突出部分,并且第二接触销各自具有沿向上方向突出的突出部分。 第一分离器各自插入在相邻的第一接触销的突出部分之间,并且第二隔板各自插入在相邻的第二接触销的突出部分之间。 由于第一和第二接触销的突出部分的突出方向彼此相反,所以隔板可以交替布置在不同的线上。 因此,接触销和隔板各自具有足够的宽度,并且可以使每个接触销的宽度大于半导体封装的每个外部引线引脚的宽度。
    • 26. 发明授权
    • Impedance meter
    • 阻抗表
    • US5463323A
    • 1995-10-31
    • US333784
    • 1994-11-03
    • Hideki Wakamatsu
    • Hideki Wakamatsu
    • G01R27/02G01R27/08G01R27/00
    • G01R27/08
    • An impedance meter is not adversely affected by errors originating from changes in characteristics of measurement cables under measurement conditions such as in an environmental test wherein an element to be measured is remote and high and wide measurement frequencies are used. The voltage and the current of an element to be measured are measured to obtain its impedance and the like. A circuit configuration is provided wherein a cable for supplying a measurement signal to the element to be measured and for detecting the current flowing through the element to be measured is a triaxial cable and a cable for detecting the voltage is a coaxial cable, and wherein impedance matching is performed at the ends of the triaxial cable and the coaxial cable on the side of a measuring device and a balun is provided to float an ammeter on a coaxial cable connecting the ammeter-side end of the triaxial cable to the ammeter.
    • 测量条件下的测量电缆的特性变化引起的误差不会受到阻抗测量的不利影响,例如在待测元素是远程而且测量频率高的环境测试中。 测量要测量的元件的电压和电流以获得其阻抗等。 提供了一种电路配置,其中用于向待测量元件提供测量信号的电缆和用于检测流过待测元件的电流是三轴电缆,并且用于检测电压的电缆是同轴电缆,并且其中阻抗 在三轴电缆的端部进行匹配并且在测量装置一侧设置同轴电缆,并且设置平衡 - 不平衡转换器以将电流表浮动在将三轴电缆的电流表端连接到电流表的同轴电缆上。
    • 28. 发明授权
    • Impedance measuring device
    • 阻抗测量装置
    • US5886529A
    • 1999-03-23
    • US826960
    • 1997-04-09
    • Hideki Wakamatsu
    • Hideki Wakamatsu
    • G01R27/02G01R35/00G01R27/26
    • G01R27/02G01R35/005
    • In the prior art multiple calibration standards are required to calibrate multiple measurement ranges in an impedance measuring apparatus and calibration is time-consuming. An impedance measuring apparatus incorporating the invention is provided with a reference resistor part and the relative error among the measurement ranges is corrected automatically using the reference resistor. A single range is calibrated using a single impedance standard so that absolute calibration is carried out for all of the ranges. When correcting the relative error for the various ranges via the reference resistor, measurement takes place at a value smaller than for the full scale of the range and errors caused by resolution, linearity and the S/N ratio are propagated throughout the ranges and accumulate. To prevent this, a signal normalizing part is placed on the front section of an A-D converter and another signal normalizing part is placed on the front section of a frequency converter.
    • 在现有技术中,需要多个校准标准来校准阻抗测量装置中的多个测量范围,并且校准是耗时的。 本发明的阻抗测量装置具有参考电阻器部分,并且使用参考电阻器自动校正测量范围之间的相对误差。 使用单个阻抗标准校准单个范围,以便对所有范围进行绝对校准。 当通过参考电阻校正各种范围的相对误差时,测量发生在小于范围满量程的值,并且由分辨率,线性度和S / N比引起的误差在整个范围内传播并累积。 为了防止这种情况,信号归一化部分放置在A-D转换器的前部,另一个信号归一化部分放置在变频器的前部。
    • 29. 发明授权
    • Electromagnetic inductive probe
    • 电磁感应探头
    • US5793214A
    • 1998-08-11
    • US851815
    • 1997-05-06
    • Hideki Wakamatsu
    • Hideki Wakamatsu
    • G01R27/00G01N27/02G01N27/72G01R27/26G01R35/00G01N27/07
    • G01R27/267G01N27/023G01R27/2676G01R35/005
    • A highly accurate electromagnetic-induction-type conductivity and dielectric constant meter is obtained by using a calibration box (instrument) and a structure as below. The conductivity and dielectric constant meter employs an electromagnetic inductive probe which includes a primary transformer composed of a toroidal core with a wound primary coil, a secondary transformer composed of a toroidal core with a wound secondary coil, an electrostatic shield shielding the transformers, and cables that connect the probe to a meter. To eliminate the electrostatic capacity produced by causes other than electromagnetic induction, the structure of the probe is symmetrical. In a first embodiment, the secondary transformer is placed between two parts of the primary transformer, which has two cores of the same shape that are placed symmetrically. The structure, including the primary and secondary transformers, gaps in the electrostatic shields, and cables, are symmetrical with respect to a plane perpendicular to the central axis of the ring shapes and passes through the center of the annular core of the secondary transformer.
    • 通过使用校准箱(仪器)和以下结构获得高精度的电磁感应型电导率和介电常数计。 导电率和介电常数计采用电磁感应探头,其包括由具有绕组初级线圈的环形磁芯组成的初级变压器,由具有绕组次级线圈的环形磁芯组成的次级变压器,屏蔽变压器的静电屏蔽层和电缆 将探头连接到仪表。 为了消除由电磁感应以外的原因产生的静电容量,探针的结构是对称的。 在第一实施例中,次级变压器被放置在主变压器的两部分之间,其具有对称放置的相同形状的两个芯。 包括主变压器和次级变压器的结构,静电屏蔽件和电缆中的间隙相对于垂直于环形中心轴线的平面是对称的,并且穿过次级变压器的环形芯的中心。
    • 30. 发明授权
    • Impedance meter capable of performing measurements at high precision
over wide impedance and frequency ranges
    • 阻抗计能够在高阻抗和频率范围内以高精度进行测量
    • US5345182A
    • 1994-09-06
    • US965795
    • 1992-10-23
    • Hideki Wakamatsu
    • Hideki Wakamatsu
    • G01R27/02G01R27/06G01R27/08G01R27/16
    • G01R27/06G01R27/08
    • A system for measuring a broad range of impedance values with high precision and over a broad frequency band. Both the broadrange impedance measurement capability of the V-I method and the broadband frequency measuring capability of the reflection coefficient method are provided. A remote measurement capability is also available. Based upon the V-I method, a selection is made between a circuit to achieve an ideal open and a circuit to achieve an ideal short circuit in response to the impedance values. A boundary for selecting the impedance is, for instance, 50.OMEGA.. To measure a high impedance, the ideal open type circuit is selected; to measure a low impedance, the ideal short circuit is selected. The source and measuring instruments are extended by a coaxial cable. A floating measuring instrument is obtained by using a balun. Impedance measurements for 1 MHz to 2 GHz are possible.
    • 一种用于以高精度和宽频带测量宽范围的阻抗值的系统。 提供V-I方法的广泛阻抗测量能力和反射系数法的宽带频率测量能力。 还提供远程测量功能。 基于V-I方法,在实现理想开路的电路和响应于阻抗值实现理想短路的电路之间进行选择。 用于选择阻抗的边界例如是50欧米茄。 为了测量高阻抗,选择理想的开路型电路; 为了测量低阻抗,选择理想的短路。 源和测量仪器由同轴电缆延伸。 通过使用平衡 - 不平衡转换器可获得浮动测量仪器。 1 MHz至2 GHz的阻抗测量是可能的。