Tag Archives: voltage

Intelligent uniphase voltage deviation protector

Application Number  00129110 Application Date  2000.09.19 Publication Number  1298219 Publication Date  2001.06.06 Priority Information     International Classification  H02H3/06;H02H3/20;H02H3/24   Applicant(s) Name  Xue Xiaoping   Address     Inventor(s) Name  Zhang Yuliang   Patent Agency Code  65001 Patent Agent  zhang li AbstractThe intelligent protector consists of stepdown rectifier circuit, voltage stabilizer circuit, direct sampling circuit,… Read More »

Voltage detection apparatus, cell residual voltage detection apparatus, voltage detection method and cell residual voltage detection method

Application Number  00128370 Application Date  2000.11.24 Publication Number  1299975 Publication Date  2001.06.20 Priority Information   2000/6/22 JP 188170/00; 1999/11/24 JP 375879/99   International Classification  G01R31/36;G04G19/00   Applicant(s) Name  Seiko Epson Corp.   Address     Inventor(s) Name  Nakamiya Shinji   Patent Agency Code  72001 Patent Agent  wang yong AbstractA voltage detection and a remaining battery… Read More »

Electronic ballast for gas discharge lamp as cold light source powered by safe voltage

Application Number: 00114477Application Date: 2000.04.12Publication Number: 1317923Publication Date: 2001.10.17Priority Information: International: H05B41/288Applicant(s) Name: Qi QiAddress: Inventor(s) Name: Qi Qi;Jiang GuanluoPatent Agency Code: 42104Patent Agent: liu zhijuAbstract An electronic ballast for gas discharge lamp has a high-frequency inverter circuit for outputting the high voltage stepped up by high-frequency transform to the lamp, and a start circuit… Read More »

Power source diverter control system and output voltage sensing circuit

Application Number: 00121969Application Date: 2000.07.27Publication Number: 1291736Publication Date: 2001.04.18Priority Information: 2000/4/14 JP 113195/2000; 1999/7/28 JP 214037/1999International: G05F1/00Applicant(s) Name: Yokogawa Electric Corp.Address: Inventor(s) Name: Matsumura Hidetomo;Murakami KoyukiPatent Agency Code: 11038Patent Agent: wang maohuaAbstract A current sharing control system of a power supply, wherein a plurality of switching power supplies are connected in parallel to feed DC… Read More »

Adsorption constant voltage extraction exploration method for blind deposit

Application Number: 00114534Application Date: 2000.04.29Publication Number: 1321894Publication Date: 2001.11.14Priority Information: International: G01V9/00;G01V15/00Applicant(s) Name: Changsha Inst. of Tectonics, Chinese Academy of SciencesAddress: Inventor(s) Name: Tan KerenPatent Agency Code: 42001Patent Agent: wang minfengAbstract The present invention discloses an adsorption constant valtage extraction prospecting method for blind deposit, including the following steps: activation treatment of adsorption electrode device,… Read More »

Container for distribution equipment, in particular, used for gas insulated medium voltage distribution equipment

Application Number: 00122669Application Date: 2000.07.03Publication Number: 1281278Publication Date: 2001.01.24Priority Information: 1999/7/2 DE 29912027.9International: H02B13/045Applicant(s) Name: Siemens AGAddress: Inventor(s) Name: R. Weber;T. Riherr;B. SchmittPatent Agency Code: 11105Patent Agent: hou yuAbstract A container for distribution equipment is used for accepting distribution equipment, bus bar, leads or the like, wherein the distribution equipment comprises at least a distribution… Read More »

Rectified power source having step regulated cell charging voltage

Application Number: 00117146Application Date: 2000.06.06Publication Number: 1327287Publication Date: 2001.12.19Priority Information: International: H02J7/00;H02J7/04Applicant(s) Name: Ansheng Electric Co., Ltd., Shenzhen CityAddress: Inventor(s) Name: Li Bingwen;Liu Lianbing;Wu ZhijunPatent Agency Code: 44217Patent Agent: gao tieyuanAbstract The rectified power source includes cell set, voltage regulating unit and control unit, the voltage regulating unit is connected to the cell set and… Read More »

Method and structure to make triphase motor applicable to different voltage or frequency

Application Number: 00122798Application Date: 2000.08.09Publication Number: 1337769Publication Date: 2002.02.27Priority Information: International: H02K1/06;H02K3/28;H02K5/04Applicant(s) Name: Junlong Industry Co., Ltd.Address: Inventor(s) Name: Huang CongrenPatent Agency Code: 31100Patent Agent: li xiangAbstract The present invention relates to a method for making three-phase motor be applicable to different voltage/freqency and its structure. It is characterized by that it adopts ampere-averaging mode… Read More »

Ceramic insulator for high voltage

Application Number: 00117875Application Date: 2000.03.15Publication Number: 1273422Publication Date: 2000.11.15Priority Information: 1999/3/15 JP 68221/99International: H01B17/50;H01B17/02;H01B3/10Applicant(s) Name: NGK Insulators Ltd.Address: Inventor(s) Name: Nosaki Hiroshi;Kubota TomoseiPatent Agency Code: 72001Patent Agent: wen dapengAbstract To improve dielectric breakdown strength, that is, surge strength without lowering mechanical strength by providing a first coating layer provided on a surface of a magnetic… Read More »

Voltage controlled oscillator

Application Number: 00123624Application Date: 2000.08.25Publication Number: 1347194Publication Date: 2002.05.01Priority Information: 2000/1/11 JP 002736/00; 1999/8/31 JP 246277/99International: H03B5/24Applicant(s) Name: ALPS Electric Co., Ltd.Address: Inventor(s) Name: Igarashi YasuhiroPatent Agency Code: 11216Patent Agent: liu jiyangAbstract The invention provides a voltage controlled oscillator from which generation of an abnormally oscillated signal can be suppressed, where number of components including… Read More »

Air Conditioner generating cold or hot wind by regulating DC voltage

Application Number: 00110563Application Date: 2000.06.23Publication Number: 1331401Publication Date: 2002.01.16Priority Information: International: F24F5/00Applicant(s) Name: Gu FumaoAddress: Inventor(s) Name: Gu FumaoPatent Agency Code: 21115Patent Agent: cui gongmeiAbstract An air conditioner generating cold or hot wind by regulating DC voltage is composed of casing, switch, wind inlet and outlet and power supply interface, and features that the circuit… Read More »

AC voltage regulator

Application Number: 00118145Application Date: 2000.06.09Publication Number: 1277486Publication Date: 2000.12.20Priority Information: 1999/6/10 JP 163842/1999International: H02M5/22Applicant(s) Name: I-HITS Kenkyusho K. K.Address: Inventor(s) Name: Suzuki Yasunobu;Kaibara MochiuPatent Agency Code: 11038Patent Agent: wang maohuaAbstract An AC voltage regulator, which not only has a fast response speed with respect to input voltage fluctuations but also is small in size and… Read More »

Pulse width regulating method and device independent from voltage

Application Number: 00123684Application Date: 2000.08.28Publication Number: 1339868Publication Date: 2002.03.13Priority Information: International: H02P6/08;H02P7/29Applicant(s) Name: Wangjiu Science and Technology Co., Ltd.Address: Inventor(s) Name: Xu Jiazhang;Yang Zhishi;Lin WentaiPatent Agency Code: 11127Patent Agent: liu shichangAbstract In the pulse with regulating method, one voltage linearity related current source is first used to charge a capacitor and the voltage across the… Read More »

Voltage distribution measurer of insulator string for DC transmission line

Application Number: 00111449Application Date: 2000.01.17Publication Number: 1262441Publication Date: 2000.08.09Priority Information: International: G01R31/00Applicant(s) Name: Shanghai Jiaotong Univ.Address: Inventor(s) Name: Jiang Xiuchen;Han Zhendong;Liu XinpingPatent Agency Code: 31201Patent Agent: mao cuiyingAbstract A voltage distribution measurer for insulator string of DC transmission line is disclosed. A vibration-type sampling probe designed on the basis of electrostatic induction principle is used.… Read More »

Automatic voltage transformation module

Application Number: 00120008Application Date: 2000.06.02Publication Number: 1276647Publication Date: 2000.12.13Priority Information: 1999/6/2 KR 20243/99International: H02M7/06Applicant(s) Name: LG Electronics Co., Ltd.Address: Inventor(s) Name: Koo Pon-KwonPatent Agency Code: 11105Patent Agent: huang minAbstract Automatic voltage conversion module including a rectifier for receiving and rectifying a utility AC power, a smoother for smoothing a voltage rectified at the rectifier, a… Read More »

Double voltage type transducer

Application Number: 00124062Application Date: 2000.07.19Publication Number: 1281233Publication Date: 2001.01.24Priority Information: 1999/7/19 FR 9909340International: H01H13/64Applicant(s) Name: AlcatelAddress: Inventor(s) Name: J-K. WilainPatent Agency Code: 11038Patent Agent: huang bijingAbstract A press switch comprises an insulating substrate with two conductive zones suitable for triggering first and second functions, respectively. The first zone has at least two portions that are… Read More »

Voltage stabilizing magneto generator

Application Number: 00112053Application Date: 2000.01.26Publication Number: 1307392Publication Date: 2001.08.08Priority Information: International: H02K7/12;H02P9/06;H02P9/40Applicant(s) Name: Nanjing Renyuan Magneto Manufacturer Co., Ltd.Address: Inventor(s) Name: Dai Shanshan;Liu Baoyun;Yan SongdePatent Agency Code: 32112Patent Agent: tang zhiwuAbstract The generator stabilizing output voltage through automatic feedback to regulate the magnet gap between its stator and rotor features that the stator can shift… Read More »

Remote transmitted display for faults of ultrahigh voltage transmission line

Application Number: 00120618Application Date: 2000.12.25Publication Number: 1361427Publication Date: 2002.07.31Priority Information: International: G01R31/08Applicant(s) Name: Chengdu Zeng's Group Corp., Ltd.Address: Inventor(s) Name: Yan YingqinPatent Agency Code: 51100Patent Agent: wang shiquanAbstract The remote transmitted dispaly for faults of ultrahigh voltage transmission line includes one fault current collecting circuit and one on-pole indicating plate. The present invention is featured… Read More »

Voltage stabilizer

Application Number: 00127091Application Date: 2000.09.06Publication Number: 1287293Publication Date: 2001.03.14Priority Information: 1999/9/6 JP 251605/99; 2000/2/7 JP 28794/00International: G05F1/10;G05F1/56Applicant(s) Name: Seiko Electronic Inc.Address: Inventor(s) Name: Matsumura AtsukoPatent Agency Code: 72001Patent Agent: zhang zhichengAbstract In a reference voltage circuit 2 and an error amplifier 3 in a voltage regulator, a power supply is taken from an input voltage… Read More »

Autocontrol system for reactive voltage of local electric power network

Application Number: 00112093Application Date: 2000.02.25Publication Number: 1271985Publication Date: 2000.11.01Priority Information: International: H02J3/16Applicant(s) Name: Taizhou Electric Power Supply BureauAddress: Inventor(s) Name: Chen Cheng;Ding Xiaoqun;Xu XingtaoPatent Agency Code: 32213Patent Agent: zhu yuanpingAbstract An automatic control system of reactive voltage for district power network is composed of data acquisition unit, CPU and operation controller. According to the voltage… Read More »

Connector between medium and high voltage electric elements held in casing

Application Number: 00120686Application Date: 2000.12.22Publication Number: 1327278Publication Date: 2001.12.19Priority Information: 1999/12/22 FR 9916245International: H01R13/53;H02B13/035;H02B13/045Applicant(s) Name: AlsthomAddress: Inventor(s) Name: Tiari StarlkPatent Agency Code: 11038Patent Agent: sun zhengAbstract The system for interconnecting pairs of aligned axial conductors of cells housed in enclosures (3, 3') equipped with bushings (1, 1') is made up of modules each consisting of… Read More »

Fast leading edge and high voltage square wave pulse generator

Application Number: 00113814Application Date: 2000.05.09Publication Number: 1323100Publication Date: 2001.11.21Priority Information: International: H03K3/53Applicant(s) Name: Xibei Inst. of Nuclear TechnAddress: Inventor(s) Name: Zeng Zhengzhong;Ma LianyingPatent Agency Code: 00000Patent Agent: Abstract The present invention relates to one kind of square wave pulse source. The square wave pulse source of present invention adopts single discharge interval film medium switch,… Read More »

Voltage non linear resistor element and lightning arrester device

Application Number: 00120779Application Date: 2000.07.14Publication Number: 1281230Publication Date: 2001.01.24Priority Information: 1999/7/15 JP P11-201672International: H01C7/12Applicant(s) Name: Toshiba K.K.Address: Inventor(s) Name: Udo Kawago;Sugamasa Hiro;Ishizaki YoshihiroPatent Agency Code: 11243Patent Agent: cang jianmengAbstract The present invention provides a voltage nonlinear resistor unit and a lightning arrester unit which can be made small in size, without causing reduction in the… Read More »

High-accuracy high voltage detection method

Application Number: 00114067Application Date: 2000.01.31Publication Number: 1307240Publication Date: 2001.08.08Priority Information: International: G01R15/04;G01R19/25Applicant(s) Name: Liu ChengtaoAddress: Inventor(s) Name: Liu ChengtaoPatent Agency Code: 44105Patent Agent: liang xiaoyingAbstract High voltage is measured in resistor voltage dividing method. The sample values in high, middle and low voltage points are digitized and fed to low voltage side via isolating communication… Read More »

Voltage stabilizer for switch

Application Number: 00121480Application Date: 2000.07.25Publication Number: 1282137Publication Date: 2001.01.31Priority Information: 1999/7/26 JP 210753/1999International: H02M3/335Applicant(s) Name: NEC Corp.Address: Inventor(s) Name: Yokosawa KojiPatent Agency Code: 11219Patent Agent: mu dejunAbstract The present invention provides a switching regulator of high efficiency and high performance wherein conversion efficiency is high and ripple is little. This switching regulator includes switching elements… Read More »

Soft switch topology circuit for step-up/step-down voltage conversion

Application Number: 00114289Application Date: 2000.05.17Publication Number: 1278120Publication Date: 2000.12.27Priority Information: International: H02M3/22;H02M3/338Applicant(s) Name: Huawei Electric Appliance Tech. Co., Ltd., ShenzhenAddress: Inventor(s) Name: Zhang Jinfa;Zhao LinchongPatent Agency Code: 44209Patent Agent: chen hongyinAbstract A resonance capacitor Cr and a flowing current diode VD4 are parallel connected on two sides of auxiliary swith VM. A resonance inductance Lr… Read More »

Micro strip line type voltage control oscillator

Application Number: 00121598Application Date: 2000.08.15Publication Number: 1348232Publication Date: 2002.05.08Priority Information: 1999/8/19 JP 232596/99International: H01P3/08Applicant(s) Name: ALPS Electric Co., Ltd.Address: Inventor(s) Name: Nakano IchihiroPatent Agency Code: 11216Patent Agent: liu jiyangAbstract This micro strip type voltage controlled oscillator is provided with a dielectric substrate 2 on which an electric component 1 is mounted, a 1st layer 3… Read More »

Method and device for loading drive voltage to electric machine of optical disk

Application Number: 00109581Application Date: 2000.06.27Publication Number: 1284719Publication Date: 2001.02.21Priority Information: 1999/7/2 KR 26649/1999International: G11B21/02;G11B7/00Applicant(s) Name: LG Electronics Inc.Address: Inventor(s) Name: Yun Chong-ChaePatent Agency Code: 11219Patent Agent: yu mangAbstract The present invention relates to method and apparatus for finding the digital value requiring to drive a motor of an optical disk device and applying a driving… Read More »

High voltage transformer used for microwave oven and its manufacturing method

Application Number: 00109003Application Date: 2000.06.01Publication Number: 1282970Publication Date: 2001.02.07Priority Information: 1999/7/28 KR 99-30786International: F24C7/02;H01F27/40;H01F30/06;H01F38/00;H05B6/64Applicant(s) Name: Samsung Electronics Co., Ltd.Address: Inventor(s) Name: Kim Chul-ChinPatent Agency Code: 11021Patent Agent: liu xiaofengAbstract A high voltage transformer for a microwave oven includes a core, and primary and secondary coils. An insulation molding part encloses at least a part of… Read More »

Developing device and power supply portion for applying developing bias voltage

Application Number: 00108212Application Date: 2000.04.30Publication Number: 1272638Publication Date: 2000.11.08Priority Information: 1999/4/30 JP 123648/1999International: G03G15/06Applicant(s) Name: Canon K. K.Address: Inventor(s) Name: Sasako Etsuichi;Noda Shinya;Sasaki TeruhikoPatent Agency Code: 11038Patent Agent: he tengyunAbstract A developing device includes a rotatable developer carrying member; wherein the developer carrying member includes a first cylindrical portion and a second cylindrical portion provided… Read More »