专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明授权

US5946208A Power converter 失效
标题翻译：电源转换器
公开(公告)号：US5946208A
公开(公告)日：1999-08-31
申请号：US154469
申请日：1998-09-16
申请人： Yasuhiro Yamamoto , Yoshihiro Murai
发明人： Yasuhiro Yamamoto , Yoshihiro Murai
IPC分类号： H02M1/34 , H02M7/538 , H03K17/0814 , H02M7/537
CPC分类号： H02M1/34 , A61B6/488 , H02M7/538 , H03K17/08148 , H02M2001/346 , Y02B70/1491
摘要： A PWM power converter includes a first switching branch of a first switching device and a first inductor between a positive source terminal and a load terminal and a second switching branch of a second inductor and a second switching device between the load terminal and a negative source terminal. To reduce noise and loss, the power converter is further provided with a series combination of third and fourth capacitors connected between the positive and negative source terminals, a series combination of first diode and first capacitor connected between a first junction point between the third and fourth capacitors and a second junction point between the first switching device and the first inductor, a series combination of second capacitor and second diode connected between a third junction point between the second inductor and the second switching device and a fourth junction point between the third and fourth capacitors, a series combination of third diode and third inductor connected between a fifth junction point between the first diode and the first capacitor and the positive source terminal, and a series combination of fourth inductor and fourth diode connected between the negative source terminal and a sixth junction point between the second capacitor and the second diode.
摘要翻译： PWM功率转换器包括第一开关器件的第一开关分支和正源极端子和负载端子之间的第一电感器和第二电感器的第二开关支路以及负载端子与负极端子之间的第二开关器件。为了降低噪声和损耗，功率转换器还具有连接在正极和负极端子之间的第三和第四电容器的串联组合，第一和第二电容器的串联组合连接在第三和第四电极之间的第一连接点电容器和第一开关器件与第一电感器之间的第二连接点，连接在第二电感器和第二开关器件之间的第三连接点之间的第二电容器和第二二极管的串联组合，以及第三和第四器件之间的第四连接点电容器，连接在第一二极管和第一电容器与正源极端子之间的第五连接点之间的第三二极管和第三电感器的串联组合，以及连接在负极端子和第六电容器之间的第四电感器和第四二极管的串联组合第二电容器和第二二极管之间的连接点。

2. 发明授权

US5030990A Apparatus for inputting image forming condition 失效
标题翻译：用于输入图像形成条件的装置
公开(公告)号：US5030990A
公开(公告)日：1991-07-09
申请号：US73818
申请日：1987-07-15
申请人： Hiroshi Iwaki , Kiyoshi Sakamoto , Akira Inada , Shinichi Kikkawa , Yasushi Handa , Shuuji Watanabe , Akihiko Sutoh , Nobuaki Masaki , Yoshihiro Murai
发明人： Hiroshi Iwaki , Kiyoshi Sakamoto , Akira Inada , Shinichi Kikkawa , Yasushi Handa , Shuuji Watanabe , Akihiko Sutoh , Nobuaki Masaki , Yoshihiro Murai
IPC分类号： G03G15/00 , G03G15/36
CPC分类号： G03G15/5066 , G03G15/36 , G03G15/5016
摘要： An apparatus for inputting image forming condition includes a combination of a tablet and an input pen. An IC card insertion portion is formed on the tablet. In the state that an IC card is loaded to the tablet, when a control condition, for example, a copy quantity and copy magnification and/or an editing condition, for example, editing function and positional data are inputted by operating the tablet by means of the input pen, the inputted image forming condition is stored into the IC card. Thereafter, by unloading the IC card from the tablet and loading the same into a copying machine, a copying image of an original is formed by the copying machine in accordance with the image forming condition read out from the IC card.
摘要翻译：用于输入图像形成条件的装置包括平板电脑和输入笔的组合。在片剂上形成IC卡插入部。在IC卡被加载到平板电脑的状态下，当通过操作平板电脑来输入例如编辑功能和位置数据等控制条件，例如复印量和复印倍率和/或编辑条件时，输入的图像形成条件被存储到IC卡中。此后，通过将IC卡从平板电脑卸载并将其装载到复印机中，由复印机根据从IC卡读出的图像形成条件形成原稿的复印图像。

3. 发明申请

US20070167101A1 Aramid thin sheet material and electrical/electronic parts using the same 审中-公开
公开(公告)号：US20070167101A1
公开(公告)日：2007-07-19
申请号：US11578570
申请日：2004-10-26
申请人： Shinji Naruse , Kazuo Izaki , Yoshihiro Murai
发明人： Shinji Naruse , Kazuo Izaki , Yoshihiro Murai
IPC分类号： D04H13/00 , D04H1/00
CPC分类号： H01M2/162 , D21H13/26 , Y10T442/60 , Y10T442/696 , Y10T442/697
摘要： The invention provides an aramid thin sheet material comprising two components of aramid staple fibers and fibrillated aramid, or said two components and aramid fibrid, in particular, characterized by satisfying both of the following expressions (1) and (2): [internal resistance] (μm)≦250 (μm) expression (1) [Oken-type gas permeability] (sec/100 cm3)≧0.5 (sec/100 cm3) expression (2) wherein the [internal resistance] is a resistance value calculated by the following expression (3): [ internal ⁢ ⁢ resistance ⁢ ] ⁢ ( μ ⁢ ⁢ m ) = [ electrical ⁢ ⁢ conductivity ⁢ of ⁢ ⁢ electrolyic ⁢ ⁢ solution ] [ electrical ⁢ ⁢ conductivity of ⁢ ⁢ electrolytic solution ⁢ - ⁢ injected ⁢ thin ⁢ ⁢ sheet ⁢ ⁢ material ] × [ thickness ⁢ of ⁢ ⁢ the ⁢ ⁢ thinsheet ⁢ material ] ⁢ ( μ ⁢ ⁢ m ) . expression ⁢ ⁢ ( 3 )

4. 发明授权

US5945801A Drive circuit for switched reluctance motor 有权
标题翻译：开关磁阻电机驱动电路
公开(公告)号：US5945801A
公开(公告)日：1999-08-31
申请号：US154470
申请日：1998-09-16
申请人： Kenji Yamada , Tadashi Ashikaga , Yoshihiro Murai
发明人： Kenji Yamada , Tadashi Ashikaga , Yoshihiro Murai
IPC分类号： H02P25/08 , H02P7/05
CPC分类号： H02P25/08
摘要： In a drive circuit for a switched reluctance motor, a DC power supply is provided, a plurality of main circuit switching devices cause branched currents from a current derived from the DC power supply to flow through stator windings of the switched reluctance motor sequentially during their turned on states; a plurality of freewheel diodes are provided, each connected across a corresponding one of the main circuit switching devices in a reverse parallel connection; a plurality of reverse flow blocking diodes are provided, each cathode of which is connected to an output end of the corresponding one of the main circuit switching devices; a resonance purpose capacitor is provided whose one end is connected to a plus terminal of the DC power supply via a resistor and whose other end is connected to an anode of each reverse flow blocking diode; a serial circuit is connected across the resonance purpose capacitor and is constituted by a resonance purpose inductor and a resonance purpose switching device for causing the resonance purpose inductor and capacitor to be resonated when turned on at a time point at which it comes near an end of a turn on interval of time of each main circuit switching device; and a bypass diode is provided whose anode is connected to a minus terminal of the DC power supply and whose cathode is connected to the one end of the resonance purpose capacitor.
摘要翻译：在用于开关磁阻电动机的驱动电路中，提供直流电源，多个主电路开关装置使来自直流电源的电流的分支电流在其转动期间依次流过开关磁阻电动机的定子绕组关于州提供了多个续流二极管，每个均以反向并联连接跨过相应的一个主电路开关装置; 提供多个反向阻流二极管，每个阴极连接到相应的一个主电路开关器件的输出端; 提供了一种谐振用电容器，其一端通过电阻器连接到直流电源的正端，并且另一端连接到每个反向阻流二极管的阳极; 串联电路连接在谐振用电容器两端，并且由谐振用电感器和共振用开关装置构成，用于使谐振用电感器和电容器在接近末端的时间点被接通时被谐振每个主电路开关装置的开启时间间隔; 并且提供旁路二极管，其阳极连接到直流电源的负端子，并且其阴极连接到谐振用电容器的一端。

5. 发明授权

US06829816B2 Method of manufacturing nonreciprocal circuit device 失效
标题翻译：制造不可逆电路器件的方法
公开(公告)号：US06829816B2
公开(公告)日：2004-12-14
申请号：US10056258
申请日：2002-01-24
申请人： Yasuhiro Nakagawa , Takashi Hasegawa , Takashi Kawanami , Yoshihiro Murai
发明人： Yasuhiro Nakagawa , Takashi Hasegawa , Takashi Kawanami , Yoshihiro Murai
IPC分类号： H01F706
CPC分类号： H01P1/387 , H01P11/00 , Y10T29/4902 , Y10T29/49075
摘要： A compact and highly reliable nonreciprocal circuit device can be manufactured at low cost. Marking is clearly performed on a surface of the nonreciprocal circuit device. In a method of manufacturing the nonreciprocal circuit device, after components constituting the device are joined together, solder is applied at portions where the components are bonded with each other. The magnetic force of a permanent magnet is adjusted and then laser marking is performed on a surface of a metal case. Next, the nonreciprocal circuit device is heated to perform together solder bonding, thermal aging of the permanent magnet, and the removal of stains left due to marking. Then, after checking the characteristics of the device, delivery inspection is conducted to complete the manufacturing process.
摘要翻译：可以以低成本制造紧凑且高度可靠的不可逆电路装置。在不可逆电路装置的表面上清楚地进行标记。在制造不可逆电路器件的方法中，在构成器件的部件连接在一起之后，在部件彼此接合的部分处施加焊料。调整永磁体的磁力，然后对金属壳体的表面进行激光打标。接下来，不可逆电路装置被加热以一起进行焊接，永久磁铁的热老化，以及由于标记留下的污渍的去除。然后，在检查设备的特性后，进行交货检查以完成制造过程。

6. 发明授权

US4942511A Static power conversion apparatus using a high frequency series resonant DC link 失效
标题翻译：使用高频串联谐振DC链路的静态电力转换装置
公开(公告)号：US4942511A
公开(公告)日：1990-07-17
申请号：US414202
申请日：1989-09-28
申请人： Thomas A. Lipo , Yoshihiro Murai
发明人： Thomas A. Lipo , Yoshihiro Murai
IPC分类号： H02M7/48
CPC分类号： H02M7/4826
摘要： A high efficiency power converter is achieved which eliminates the needs for self-commutated devices and requires only twelve thyristors for full double bridge AC/AC power conversion. The system utilizes a series resonant DC link between the AC/DC and DC/AC converters. The DC resonant circuit functions as a commutating circuit which ensures turn off of all twelve thyristors by providing the necessary zero current instants. A significantly improved sinusoidal current waveform can be obtained on both the input and the output compared to conventional high power converters by the use of high frequency pulse density modulation.
摘要翻译：实现了高效率的功率转换器，消除了对于自换向器件的需要，并且仅需要十二个晶闸管用于全双桥AC / AC电力转换。该系统利用AC / DC和DC / AC转换器之间的串联谐振直流母线。 DC谐振电路用作整流电路，通过提供必要的零电流瞬间来确保所有十二个晶闸管的关断。与传统的高功率转换器相比，通过使用高频脉冲密度调制，可以在输入和输出两者上获得显着改善的正弦电流波形。

7. 发明授权

US5771164A Power supply converter for suppressing higher harmonics to output a stable voltage 失效
标题翻译：用于抑制高次谐波输出稳定电压的电源转换器
公开(公告)号：US5771164A
公开(公告)日：1998-06-23
申请号：US750861
申请日：1997-01-06
申请人： Yoshihiro Murai , Junichi Takayama
发明人： Yoshihiro Murai , Junichi Takayama
IPC分类号： H02M7/217 , G05F1/10 , H02M1/12 , H02M3/155 , H02M7/12 , H02M7/155 , G05F1/613
CPC分类号： H02M1/4208 , H02M1/4216 , Y02B70/126
摘要： A converter includes a rectifier 1 of the diode bridge connected across the alternating current power supply via an input filter F; a circuit 2 having an reactor L.sub.1, switching element Tr1, and the reverse current flow blocking diode D.sub.1 connected across output terminals of the diode bridge; a smoothing capacitor Cd charged according to an energy stored in the reactor L.sub.1 ; and a controller 3 arranged having a comparator 36 for comparing a signal of circuits 31 through 34 which detects a difference between the direct current output voltage Vd and the set (reference) voltage Vs and amplifies thereof with a triangular carrier wave 36 so as to control the transistor Tr1, the transistor Tr1 being controlled to be turned on or off according to the carrier wave frequency. When the transistor Tr1 is turned to ON, the energy is stored in the reactor L1 via the rectifier of the diode bridge 1. When the transistor Tr1 is turned to OFF, the capacitor Cd is charged according to the energy stored in the reactor L.sub.1. The current in the element Tr1 flows therethrough when the input voltage is low irrespective of the voltage across the capacitor Cd so that the input current provides the sinusoidal wave.
摘要翻译： PCT No.PCT / JP96 / 01879 Sec。 371日期1997年1月6日 102（e）日期1997年1月6日PCT PCT 1996年7月5日PCT公布。出版物WO97 / 03494 日期1997年3月1日A转换器包括通过输入滤波器F跨过交流电源连接的二极管桥的整流器1; 具有电抗器L1，开关元件Tr1和连接在二极管电桥的输出端上的反向电流流阻阻二极管D1的电路2; 根据存储在电抗器L1中的能量充电的平滑电容器Cd; 以及控制器3，其具有比较器36，用于比较检测直流输出电压Vd和设定（参考）电压Vs之差的电路31至34的信号，并用三角载波36放大，以便控制晶体管Tr1，晶体管Tr1根据载波频率被控制为导通或截止。当晶体管Tr1变为ON时，能量通过二极管桥1的整流器存储在电抗器L1中。当晶体管Tr1变为截止时，电容器Cd根据存储在电抗器L1中的能量进行充电。当输入电压低时，元件Tr1中的电流流过电容器Cd两端的电压，使得输入电流提供正弦波。

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式