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    • 22. 发明授权
    • Chip component supply apparatus
    • 芯片组件供应装置
    • US5525023A
    • 1996-06-11
    • US164713
    • 1993-12-10
    • Tomitatu SogaKunio TanakaShigetoshi NegishiHidekazu NakamuraHiroyuki FujiwaraKenji KatoTakayuki FujitaTakashi Nakanishi
    • Tomitatu SogaKunio TanakaShigetoshi NegishiHidekazu NakamuraHiroyuki FujiwaraKenji KatoTakayuki FujitaTakashi Nakanishi
    • H05K13/02B65G47/14
    • H05K13/022
    • A chip component supply apparatus of the invention includes a container box for storing chip components in pieces, a means for conveying chip components from the container box onto a conveyor belt, which moves intermittently and conveys the transferred chip components toward a take-out port area where a vacuum suction nozzle of an electronic component placement machine takes out the chip components. A stopper is positioned in the vicinity of the take-out port area for stopping the chip components conveyed by the conveyor belt at the take-out port area. The stopper moves and departs from the vicinity of the take-out port area when the conveyor belt finishes intermittent motion and stops, and returns and is positioned at the take-out port area before the next chip component conveyed by next intermittent motion of the conveyor belt reaches the take-out port area. The vacuum suction nozzle of the electronic component placement machine takes out the chip component at the take-out port area when the conveyor belt is stopped and the stopper is apart from the take-out port area.
    • 本发明的芯片部件供给装置包括用于将芯片部件成块地容纳的容器盒,用于将片状部件从容器盒输送到输送带上的装置,该传送带间歇地移动并将传送的芯片部件传送到取出口区域 电子元件贴装机的真空吸嘴取出芯片部件。 止动器位于取出口区域附近,用于将由输送带输送的芯片部件停止在取出口区域。 当传送带完成间歇运动并停止时,挡块移动并离开取出口区域附近,并在通过传送带的下一次间歇运动传送的下一个芯片部件之前返回并定位在出口端口区域 皮带到达取出口区域。 当输送带停止时,电子元件贴装机的真空吸嘴在取出口区域取出芯片部件,止动件与取出口区域分开。
    • 24. 发明授权
    • Automatic inserting apparatus for electronic parts
    • 电子零件自动插入装置
    • US4628595A
    • 1986-12-16
    • US705471
    • 1985-02-07
    • Takayuki FujitaHirotoshi ShigeharaShigetoshi NegishiTakayoshi KyotaniShozo Kadota
    • Takayuki FujitaHirotoshi ShigeharaShigetoshi NegishiTakayoshi KyotaniShozo Kadota
    • H05K3/30H05K13/04
    • H05K13/0421H05K13/0473H05K3/306Y10T29/53183Y10T29/53261
    • An automatic inserting apparatus for electronic parts which are continuously supplied and inserted into inserting holes (21) in a printed circuit board (20), including a supply mechanism for supplying electronic parts (4) which have lead wires (5), an apparatus for sharpening the tips, of the lead wires and orienting the electronic parts in a predetermined position with the lead wires (5) oriented downwards, and a guide mechanism equipped with a plurality of guide pins (47) arranged below the printed circuit board (20) for movement up and down and adapted to retain the tips of the lead wires (5) of the electronic parts (4) which have been inserted through the inserting holes (21) in the printed circuit board (20), in order to make it possible that the electronic parts can be assuredly inserted in the printed circuit board having the inserting holes of small outer diameter.
    • PCT No.PCT / JP84 / 00289 Sec。 371日期1985年2月7日第 102(e)日期1985年2月7日PCT Filed 1984年6月5日PCT公布。 第WO84 / 05011号公报 日期为1984年12月20日。一种用于电子部件的自动插入装置,其连续地供给并插入到印刷电路板(20)中的插入孔(21)中,包括用于供应电子部件(4)的供给机构, (5),引线的锐化装置和导线(5)向下定向的预定位置的电子部件的引导装置,以及配置有多个引导销(47)的引导机构 印刷电路板(20),其用于上下移动并且适于保持已经插入穿过印刷电路板(20)中的插入孔(21)的电子部件(4)的引线(5)的末端 ),以使电子部件能够可靠地插入具有小外径的插入孔的印刷电路板中。
    • 26. 发明授权
    • Power converter control method
    • 电源转换器控制方式
    • US09350227B2
    • 2016-05-24
    • US14347128
    • 2012-09-14
    • Takayuki Fujita
    • Takayuki Fujita
    • H02M5/458H02M1/12H02M5/45H02M5/297H02M5/22
    • H02M1/12H02M5/22H02M5/297H02M5/4505H02M5/4585
    • When an AC voltage is outputted to an inductive load, pulsation of an effective power caused by an odd number-th order harmonic component of a current flowing in this load is reduced. A modulation factor k of an inverter 4 includes a DC component k0 and an AC component. The AC component includes a frequency which is a 6n multiple of the fundamental frequency of AC voltages outputted from the inverter. Even when there are not only the 5th order harmonic component of load currents but also the 7th order harmonic component, it is possible to adequately set the ratio of the magnitude of the AC component and the ratio of the DC component and reduce pulsation of consumption power caused by these harmonic components. Reducing the pulsation contributes to suppression of power harmonics.
    • 当将交流电压输出到感性负载时,由在该负载中流动的电流的奇数次谐波分量引起的有效功率的脉动减小。 逆变器4的调制系数k包括DC分量k0和AC分量。 AC分量包括从逆变器输出的AC电压的基频的6n倍的频率。 即使不仅具有负载电流的5次谐波分量,而且还具有7次谐波分量,则可以适当地设定交流分量的大小与直流成分的比例,并减少消耗功率的脉动 由这些谐波分量引起。 降低脉动有助于抑制功率谐波。
    • 28. 发明授权
    • Power converter and method for controlling same
    • 电源转换器及其控制方法
    • US08773870B2
    • 2014-07-08
    • US13392132
    • 2010-05-07
    • Takayuki FujitaKenichi Sakakibara
    • Takayuki FujitaKenichi Sakakibara
    • H02M3/335H02M7/68
    • H02M7/219H02M2001/0054Y02B70/1491
    • A converter section (2) includes three pairs of switching elements (Srp, . . . , Stn), each pair having two switching elements connected in series between two direct current links (L1, L2), and phases of an input three-phase alternating current are connected to nodes between the series-connected switching elements one by one. Each of the switching elements (Srp, . . . , Stn) is made of a transistor having a bipolar structure. The control unit (5) controls the switching elements (Srp, . . . , Stn) such that line voltages between a reference phase, which is one of the phases of the input three-phase alternating current, and each of the other phases are output to the two direct current links (L1, L2) on a time division basis. The control unit (5) applies a predetermined gate voltage to one or more of the switching elements (Srp, . . . , Stn) to which a reverse bias is applied.
    • A转换器部分(2)包括三对开关元件(Srp,...,Stn),每对具有串联连接在两个直流连杆(L1,L2)之间的两个开关元件,以及输入三相 交流电一个一个地连接到串联的开关元件之间的节点。 每个开关元件(Srp,...,Stn)由具有双极结构的晶体管构成。 控制单元(5)控制开关元件(Srp,...,Stn),使得作为输入三相交流电的相位之一的参考相位与其它相位之间的线电压为 以时分方式输出到两个直流链路(L1,L2)。 控制单元(5)向施加了反向偏压的开关元件(Srp,...,Stn)中的一个或多个施加预定的栅极电压。
    • 30. 发明申请
    • POWER CONVERTER AND METHOD FOR CONTROLLING SAME
    • 电力转换器及其控制方法
    • US20120163045A1
    • 2012-06-28
    • US13392132
    • 2010-05-07
    • Takayuki FujitaKenichi Sakakibara
    • Takayuki FujitaKenichi Sakakibara
    • H02M5/458
    • H02M7/219H02M2001/0054Y02B70/1491
    • A converter section (2) includes three pairs of switching elements (Srp, . . . , Stn), each pair having two switching elements connected in series between two direct current links (L1, L2), and phases of an input three-phase alternating current are connected to nodes between the series-connected switching elements one by one. Each of the switching elements (Srp, . . . , Stn) is made of a transistor having a bipolar structure. The control unit (5) controls the switching elements (Srp, . . . , Stn) such that line voltages between a reference phase, which is one of the phases of the input three-phase alternating current, and each of the other phases are output to the two direct current links (L1, L2) on a time division basis. The control unit (5) applies a predetermined gate voltage to one or more of the switching elements (Srp, . . . , Stn) to which a reverse bias is applied.
    • A转换器部分(2)包括三对开关元件(Srp,...,Stn),每对具有串联连接在两个直流连杆(L1,L2)之间的两个开关元件,以及输入三相 交流电一个一个地连接到串联的开关元件之间的节点。 每个开关元件(Srp,...,Stn)由具有双极结构的晶体管构成。 控制单元(5)控制开关元件(Srp,...,Stn),使得作为输入三相交流电的相位之一的参考相位与其它相位之间的线电压为 以时分方式输出到两个直流链路(L1,L2)。 控制单元(5)向施加了反向偏压的开关元件(Srp,...,Stn)中的一个或多个施加预定的栅极电压。