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    • 1. 发明专利
    • Compound transformer, pressure raising and lowering circuit using the same
    • 化合物变压器,压力升高和降低电路
    • JP2008192931A
    • 2008-08-21
    • JP2007027281
    • 2007-02-06
    • Honda Motor Co LtdToshihisa Shimizu本田技研工業株式会社敏久 清水
    • NAGANO MASAOHIRAKAWA MITSUAKISHIMIZU TOSHIHISA
    • H01F30/00
    • H01F37/00H01F27/385H02M3/1584
    • PROBLEM TO BE SOLVED: To provide a compound transformer in which reduction in the size and weight can be achieved and unnecessary parts can be eliminated, by compositely assembling an inductor and a transformer into a single piece, constituting them only with structurally necessary parts, and eliminating wasteful parts. SOLUTION: The compound transformer comprises a core 11 for a transformer; a first coil 12 and a second coil 13 that are provided for the core for transformer; a first core 14A and a second 14B core for the inductor that are wound around the first coil; and a third core 14C and a fourth core 14D for the inductor that are wound around the second coil. The transformer is constituted of the core for the transformer, the first coil, and the second coil. The first inductor is constituted of the first coil, and the first and second cores for the inductor, and the second inductor is constituted of the second coil, and the third and fourth cores for the inductor. COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:为了提供一种可以实现尺寸和重量的减小并且可以消除不必要的部件的复合变压器,通过将电感器和变压器组合成单件,仅在结构上需要构成它们 零件,并消除浪费的零件。 解决方案:复合变压器包括用于变压器的铁芯11; 为变压器的铁芯设置的第一线圈12和第二线圈13; 卷绕在第一线圈上的用于电感器的第一芯14A和第二14B芯; 以及缠绕在第二线圈上的用于电感器的第三芯14C和第四芯14D。 变压器由变压器的铁芯,第一线圈和第二线圈构成。 第一电感器由第一线圈和用于电感器的第一和第二磁芯构成,第二电感器由第二线圈和用于电感器的第三和第四磁芯构成。 版权所有(C)2008,JPO&INPIT
    • 2. 发明专利
    • Current output type inverter circuit
    • 电流输出型逆变器电路
    • JP2004080934A
    • 2004-03-11
    • JP2002239511
    • 2002-08-20
    • Kandenko Co LtdToshihisa Shimizu株式会社関電工清水 敏久
    • SHIMIZU TOSHIHISAWADA KEIJITAKAGI HIROYUKIITO MICHIO
    • H02M7/48H02M7/493H02M7/538
    • PROBLEM TO BE SOLVED: To feed AC current to a load circuit with high efficiency. SOLUTION: Control terminals of semiconductor switches S 1 , S 2 for use in an inverter circuit are connected to a common potential point, and drive signals, necessary for turning on/off the control terminals, are thereby transmitted to the control terminals of the semiconductor switches S 1 , S 2 at a high speed, even though they do not pass through electrical insulation. Furthermore, input terminals of two immittance conversion circuit L 1 , L 2 are connected alternately between the main terminals of the semiconductor switches S 1 , S 2 and a DC voltage source E in series, and the output terminals of the immittance conversion circuit L 1 , L 2 are connected alternately in reverse parallel, thus configuring a structure where the AC power of high frequency is outputted from the output terminals. COPYRIGHT: (C)2004,JPO
    • 要解决的问题:以高效率将交流电流馈送到负载电路。

      解决方案:用于逆变器电路的半导体开关S 1 ,S 2 的控制端子连接到公共电位点,并且转动所需的驱动信号 因此控制端子的开/关从而高速地传送到半导体开关S 1 S 2 的控制端子,即使它们不通过电气 绝缘。 此外,两个导纳转换电路L L 2 的输入端子交替地连接在半导体开关S 1的主端子之间,S 2 和串联的直流电压源E,并且导纳转换电路L 1 ,L 2 的输出端反向交替连接 并联,从而构成从输出端子输出高频的交流电力的结构。 版权所有(C)2004,JPO

    • 7. 发明申请
    • OPERATING POINT CONTROL CIRCUIT DEVICE FOR SERIES-CONNECTED PHOTOVOLTAIC CELLS OR OTHER ELECTRIC SOURCES
    • 用于串联光伏电池或其他电源的操作点控制电路装置
    • US20160322931A1
    • 2016-11-03
    • US15139453
    • 2016-04-27
    • Shinichi UrabeToshihisa Shimizu
    • Shinichi UrabeToshihisa Shimizu
    • H02S40/34H02J7/35H02J3/38
    • H02S40/34H02J3/383H02J3/385H02J7/35H02J2001/004H02J2007/0067Y02E10/58
    • In a circuit device controlling an operating point of each of two or more series-connected photovoltaic cells or other power supply cells in a module, the output voltage of the module can be boosted without reducing the generated electric power. The operating point control circuit device includes capacitors connected in parallel to the respective series-connected cells, switching elements connected in parallel to the respective series-connected cells through an inductor, an additional capacitor connected in series to the capacitor row, and an additional switching element connected in series to the switching element row. The switching elements are controlled to shut off electrical conduction between the corresponding terminals connected thereto in the same predetermined cycle and in mutually different periods so as to always establish a condition that one switching element is in the non-conductive state and the others are is in the conductive state.
    • 在控制模块中两个或多个串联连接的太阳能电池或其他电源单元中的每一个的工作点的电路装置中,可以提高模块的输出电压,而不会降低所产生的电力。 工作点控制电路装置包括并联连接到各个串联单元的电容器,通过电感器并联连接到各个串联单电池的开关元件,与电容器列串联连接的附加电容器和附加开关 元件串联连接到开关元件列。 控制开关元件以在相同的预定周期和相互不同的周期中切断与其连接的相应端子之间的导电,以便始终建立一个开关元件处于非导通状态,而其他开关元件处于 导电状态。
    • 9. 发明授权
    • Internal wrap test circuit in radio equipment and test method thereof
    • 无线电设备内部卷绕测试电路及其测试方法
    • US5946606A
    • 1999-08-31
    • US944406
    • 1997-10-06
    • Toshihisa Shimizu
    • Toshihisa Shimizu
    • H04B1/74H04B17/00H01Q11/12
    • H04B17/00H04B17/19
    • The present invention provides an internal wrap test circuit in a radio equipment which is capable of conducting an internal wrap test, which radio equipment including two transmitting systems in which a transmission signal is amplified by a power amplifier and the amplified transmission signal is outputted in such a manner as to be changed over by a changeover switch to first and second circulators respectively connected to a first antenna and a second antenna, and two receiving systems in which received signals inputted through the first and second antennas are respectively transmitted to a first low noise amplifier and a second low noise amplifier via said first and second circulators, respectively, wherein the internal wrap test circuit includes a local oscillator which is connected to the power amplifier and to the first and second low noise amplifiers so as to control each gain of the power amplifier and the first and second low noise amplifiers, and the transmission signal is lowered to a fixed level to be made into a received signal by using each backward path of the transmission changeover switch and the first and second circulators.
    • 本发明提供一种能够进行内部包络测试的无线电设备中的内部卷绕测试电路,该无线电设备包括两个传输系统,其中传输信号由功率放大器放大,并且放大的传输信号以这样的方式被输出 通过切换开关切换到分别连接到第一天线和第二天线的第一和第二循环器的方式,以及两个接收系统,其中通过第一和第二天线输入的接收信号分别被发送到第一低噪声 放大器和第二低噪声放大器,其中内部卷绕测试电路包括本地振荡器,其连接到功率放大器以及连接到第一和第二低噪声放大器,以便控制第一和第二低噪声放大器的每个增益 功率放大器和第一和第二低噪声放大器,并且传输信号为lo 通过使用变速器切换开关和第一和第二循环器的每个后退路径,将其变为固定水平以被制成接收信号。