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1. 发明申请

US20200112256A1 SEMICONDUCTOR DEVICE FOR SWITCHING POWER SUPPLY AND AC-DC CONVERTOR 审中-公开
公开(公告)号：US20200112256A1
公开(公告)日：2020-04-09
申请号：US16591573
申请日：2019-10-02
申请人： Hiroki MATSUDA , Satoshi ARIMA , Yukio MURATA
发明人： Hiroki MATSUDA , Satoshi ARIMA , Yukio MURATA
IPC分类号： H02M3/335 , H02M1/08 , H02M7/217
摘要： A semiconductor device for a switching power supply includes first and second external terminals, ON and OFF timing generation circuits, and a drive pulse generation circuit. To the first and second external terminals, a feedback voltage and a voltage induced in an auxiliary winding are input, respectively. The ON and OFF timing generation circuits respectively generate timing signals turning on and off a switching element based on the voltages. The drive pulse generation circuit generates a pulse signal based on these signals. The ON timing generation circuit includes: a bottom detection circuit detecting a lowest point of the voltage of the second external terminal; and a timer circuit, and operates in a PWM mode and a quasi-resonant mode in response to a timing of an output of the timer circuit being before a timing of an output of the bottom detection circuit and the reverse case, respectively.

2. 发明申请

US20190334428A1 POWER CONTROLLING SEMICONDUCTOR DEVICE, SWITCHED-MODE POWER SUPPLY, AND METHOD OF DESIGNING THE DEVICE AND POWER-SUPPLY 审中-公开
公开(公告)号：US20190334428A1
公开(公告)日：2019-10-31
申请号：US16297382
申请日：2019-03-08
申请人： Satoshi ARIMA , Hiroki MATSUDA , Yukio MURATA
发明人： Satoshi ARIMA , Hiroki MATSUDA , Yukio MURATA
IPC分类号： H02M1/32 , H02M3/335 , H02M1/08 , H02M1/14 , G06F17/50
摘要： A power controlling semiconductor device generates a drive pulse to turn on or off a switching device which applies an intermittent current to a primary side winding of a transformer in response to a voltage proportional to a present current flowing through the primary side winding of the transformer and to an output voltage detection signal from a secondary side of the transformer. The device includes a current detecting terminal and an overcurrent detecting circuit. The voltage proportional to the present current flowing through the primary side winding is applied to the current detecting terminal. The overcurrent detecting circuit compares a voltage corresponding to the voltage applied to the current detecting terminal with an upper limit current detecting voltage to detect an overcurrent. A correction current is applied to a correction resistor connected to the current detecting terminal for a shift in the voltage.

3. 发明申请

US20200127555A1 SEMICONDUCTOR DEVICE FOR SWITCHING POWER SUPPLY CONTROL AND AC-DC CONVERTER 审中-公开
公开(公告)号：US20200127555A1
公开(公告)日：2020-04-23
申请号：US16660738
申请日：2019-10-22
申请人： Hiroki MATSUDA , Satoshi ARIMA
发明人： Hiroki MATSUDA , Satoshi ARIMA
IPC分类号： H02M1/32 , H02M3/335 , H02M1/36
摘要： Disclosed is a semiconductor device for switching power supply control including: a high voltage input starting terminal; a discharger; and an input state detection circuit that includes: a voltage divider; a peak hold circuit; a first comparator which detects generation of a plug removal state; a second comparator which detects generation of a brownout state; a timer circuit; and a control signal generation circuit which generates a signal to turn on the discharger or a signal to stop outputting of a switching control signal, Td1, Td2 and Td3 are set to have a relationship of Td1

4. 发明申请

US20210199728A1 RESONANCE VOLTAGE ATTENUATION DETECTION CIRCUIT, SEMICONDUCTOR DEVICE FOR SWITCHING POWER, AND SWITCHING POWER SUPPLY 有权
公开(公告)号：US20210199728A1
公开(公告)日：2021-07-01
申请号：US17117243
申请日：2020-12-10
申请人： Satoshi ARIMA , Hiroki MATSUDA
发明人： Satoshi ARIMA , Hiroki MATSUDA
IPC分类号： G01R31/62 , G01R19/165 , G01R31/14 , G01R1/20
摘要： A resonance voltage attenuation detection circuit detects attenuation of a resonance voltage of a winding of a transformer. The resonance voltage attenuation detection circuit includes a first voltage comparator circuit and a time-out circuit. The first voltage comparator circuit compares a voltage of the winding with a predetermined first voltage. The time-out circuit performs clocking operation in accordance with an output of the first voltage comparator circuit. The time-out circuit outputs an attenuation detection signal when the time-out circuit has clocked a preset period which is shorter than a time required for a peak voltage of the winding to be attenuated from the first voltage to a predetermined second voltage lower than the first voltage.

5. 发明申请

US20130177787A1 CURRENT COLLECTOR AND NONAQUEOUS SECONDARY BATTERY 审中-公开
标题翻译：目前的收集器和非正常的二次电池
公开(公告)号：US20130177787A1
公开(公告)日：2013-07-11
申请号：US13535806
申请日：2012-06-28
申请人： Satoshi ARIMA , Naoto TORATA , Satomi HASEGAWA
发明人： Satoshi ARIMA , Naoto TORATA , Satomi HASEGAWA
IPC分类号： H01M2/34
CPC分类号： H01M2/348 , H01M2/14 , H01M4/661 , H01M4/667 , H01M4/70
摘要： A current collector comprising: a folded region in which an end part of a multi-layered structure having an insulation layer sandwiched by electrically conductive layers is folded at least twice in the same direction; the electrically conductive layers sandwiching the insulation layer being electrically connected to each other in the folded region; and inside surfaces of the end part of the current collector forming the folded region being either separated from each other or partially in contact with each other.
摘要翻译：一种集电器，包括：折叠区域，其中具有被导电层夹在中间的绝缘层的多层结构的端部在相同方向上折叠至少两次; 夹着绝缘层的导电层在折叠区域中彼此电连接; 并且形成折叠区域的集电体的端部的内表面彼此分离或部分地彼此接触。

6. 发明申请

US20120087753A1 DRILL AND CUTTING METHOD USING SAME 审中-公开
标题翻译：使用相同的钻孔和切割方法
公开(公告)号：US20120087753A1
公开(公告)日：2012-04-12
申请号：US13207317
申请日：2011-08-10
申请人： Hideaki KATAOKA , Satoshi ARIMA , Yoshifumi KOIKE , Wataru AOKI
发明人： Hideaki KATAOKA , Satoshi ARIMA , Yoshifumi KOIKE , Wataru AOKI
IPC分类号： B23B51/02 , B23B35/00
CPC分类号： B23B51/02 , B23B2251/04 , B23B2251/14 , Y10T408/03 , Y10T408/9097
摘要： A drill includes a plurality of cutting edges formed at a front end portion; twisted flutes which are formed on an outer periphery from rear end portions of the cutting edges, respectively, and are configured to discharge chips produced by the cutting edges; and rake faces formed between the cutting edges and ends of the twisted flutes closer to the cutting edges, respectively, wherein the rake faces each includes a first face having a width from a corresponding one of the cutting edges decreasing as the first face approaches the outer periphery from an axis; and a second face located closer to the outer periphery than the first face, and having a width from the one of the cutting edges increasing as the second face approaches the outer periphery from the axis, a part of the twisted flute being formed between the first face and the second face.
摘要翻译：钻头包括形成在前端部分处的多个切削刃; 分别形成在切削刃的后端部的外周的扭曲槽，构成为排出由切削刃产生的切屑; 以及分别形成在所述切割边缘和所述扭曲凹槽的端部之间的前刀面分别靠近所述切削刃，其中所述前刀面各自包括第一面，所述第一面具有随着所述第一面接近所述切削刃的相应一个切削刃的宽度而减小圆周从轴线; 并且具有比所述第一面更靠近所述外周的第二面，并且当所述第二面从所述第二面朝向所述轴的外周时，所述切削刃的宽度增大，所述扭曲槽的一部分形成在所述第一脸和第二面。

7. 发明申请

US20160172985A1 INSULATED DC POWER SUPPLY AND A METHOD OF CONTROLLING SAME 有权
标题翻译：绝缘直流电源及其控制方法
公开(公告)号：US20160172985A1
公开(公告)日：2016-06-16
申请号：US14964448
申请日：2015-12-09
申请人： Satoshi ARIMA , Kenji NAKATA , Takeshi SATO
发明人： Satoshi ARIMA , Kenji NAKATA , Takeshi SATO
IPC分类号： H02M3/335
CPC分类号： H02M3/33507 , H02M2001/0009
摘要： An insulated DC power supply includes a voltage transformer, a switching device and a primary-side regulating circuit. The voltage transformer includes primary and secondary windings and an auxiliary winding. The switching device causes current to flow intermittently through the primary winding. The primary-side regulating circuit receives a voltage proportional to a current flowing through the primary winding of the transformer, and a voltage proportional to a voltage induced in the auxiliary winding of the transformer to generate and output a drive pulse for turning on or off the switching device. The primary-side regulating circuit includes an ON/OFF signal generator circuit and first and second timer circuits. The switching device is turned off upon expiration of the first timer circuit, and the ON/OFF signal generator circuit does not generate a signal for turn-on of the switching device when the second timer circuit expires.
摘要翻译：绝缘直流电源包括电压互感器，开关装置和初级侧调节电路。变压器包括初级和次级绕组和辅助绕组。开关器件使电流间歇地通过初级绕组。初级侧调节电路接收与流过变压器的初级绕组的电流成比例的电压，并且与变压器的辅助绕组中感应的电压成比例的电压，以产生和输出用于导通或关闭的驱动脉冲开关装置。初级侧调节电路包括ON / OFF信号发生器电路和第一和第二定时器电路。开关装置在第一定时器电路期满时被关闭，并且当第二定时器电路过期时，ON / OFF信号发生器电路不产生开关装置导通的信号。

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