CN101039070A - 具有弱电流涓流模式的开关电压调节器 - Google Patents
具有弱电流涓流模式的开关电压调节器 Download PDFInfo
- Publication number
- CN101039070A CN101039070A CNA2007100867384A CN200710086738A CN101039070A CN 101039070 A CN101039070 A CN 101039070A CN A2007100867384 A CNA2007100867384 A CN A2007100867384A CN 200710086738 A CN200710086738 A CN 200710086738A CN 101039070 A CN101039070 A CN 101039070A
- Authority
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- China
- Prior art keywords
- transistor
- voltage
- adjuster
- electric current
- drive signal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M3/00—Conversion of DC power input into DC power output
- H02M3/02—Conversion of DC power input into DC power output without intermediate conversion into AC
- H02M3/04—Conversion of DC power input into DC power output without intermediate conversion into AC by static converters
- H02M3/10—Conversion of DC power input into DC power output without intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M3/145—Conversion of DC power input into DC power output without intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
- H02M3/155—Conversion of DC power input into DC power output without intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
- H02M3/156—Conversion of DC power input into DC power output without intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
- G05F1/00—Automatic systems in which deviations of an electric quantity from one or more predetermined values are detected at the output of the system and fed back to a device within the system to restore the detected quantity to its predetermined value or values, i.e. retroactive systems
- G05F1/10—Regulating voltage or current
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
- G05F1/00—Automatic systems in which deviations of an electric quantity from one or more predetermined values are detected at the output of the system and fed back to a device within the system to restore the detected quantity to its predetermined value or values, i.e. retroactive systems
- G05F1/10—Regulating voltage or current
- G05F1/12—Regulating voltage or current wherein the variable actually regulated by the final control device is AC
- G05F1/32—Regulating voltage or current wherein the variable actually regulated by the final control device is AC using magnetic devices having a controllable degree of saturation as final control devices
- G05F1/34—Regulating voltage or current wherein the variable actually regulated by the final control device is AC using magnetic devices having a controllable degree of saturation as final control devices combined with discharge tubes or semiconductor devices
- G05F1/38—Regulating voltage or current wherein the variable actually regulated by the final control device is AC using magnetic devices having a controllable degree of saturation as final control devices combined with discharge tubes or semiconductor devices semiconductor devices only
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
- H02M1/0003—Details of control, feedback or regulation circuits
- H02M1/0032—Control circuits allowing low power mode operation, e.g. in standby mode
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/10—Technologies improving the efficiency by using switched-mode power supplies [SMPS], i.e. efficient power electronics conversion e.g. power factor correction or reduction of losses in power supplies or efficient standby modes
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Automation & Control Theory (AREA)
- Dc-Dc Converters (AREA)
- Continuous-Control Power Sources That Use Transistors (AREA)
Abstract
Description
Claims (13)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/376,929 US7304464B2 (en) | 2006-03-15 | 2006-03-15 | Switching voltage regulator with low current trickle mode |
US11/376,929 | 2006-03-15 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101039070A true CN101039070A (zh) | 2007-09-19 |
CN100461597C CN100461597C (zh) | 2009-02-11 |
Family
ID=38180077
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB2007100867384A Active CN100461597C (zh) | 2006-03-15 | 2007-03-13 | 具有弱电流涓流模式的开关电压调节器 |
Country Status (7)
Country | Link |
---|---|
US (1) | US7304464B2 (zh) |
EP (1) | EP1835603A2 (zh) |
JP (1) | JP4422735B2 (zh) |
KR (1) | KR100875591B1 (zh) |
CN (1) | CN100461597C (zh) |
CA (1) | CA2576705C (zh) |
TW (1) | TWI328919B (zh) |
Cited By (22)
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CN101488712B (zh) * | 2008-01-15 | 2011-01-26 | 天钰科技股份有限公司 | 电压转换器 |
CN101989755A (zh) * | 2009-07-30 | 2011-03-23 | 立锜科技股份有限公司 | 混成式充电器及其控制电路和方法 |
CN102005922A (zh) * | 2009-09-03 | 2011-04-06 | 立锜科技股份有限公司 | 改善升降压式电压调节器的轻载效率的方法 |
CN102055338A (zh) * | 2009-11-10 | 2011-05-11 | 比亚迪股份有限公司 | 恒定电压输出电路 |
US8058817B2 (en) | 2008-09-30 | 2011-11-15 | O2Micro, Inc. | Power systems with current regulation |
CN102265258A (zh) * | 2008-10-23 | 2011-11-30 | 李持国际有限公司 | 用于仿真电源控制装置中的理想二极管的系统和方法 |
CN102468741A (zh) * | 2010-11-08 | 2012-05-23 | 英业达股份有限公司 | 整流电路 |
CN101714818B (zh) * | 2008-09-29 | 2013-03-20 | 技领半导体(上海)有限公司 | 调节开关式调节器输出电流的电源转换器及方法 |
CN103166457A (zh) * | 2011-12-14 | 2013-06-19 | 联芯科技有限公司 | 电源转换方法及移动终端 |
CN103187854A (zh) * | 2011-12-31 | 2013-07-03 | 意法半导体研发(深圳)有限公司 | 用于控制电源转换器中的dcm-ccm振荡的系统和方法 |
CN103312176A (zh) * | 2012-03-12 | 2013-09-18 | 凌力尔特公司 | 具有用于轻负载操作的休眠模式的隔离式回扫转换器 |
CN103427625A (zh) * | 2013-08-30 | 2013-12-04 | 无锡松朗微电子有限公司 | Dc-dc变换器及dc-dc变换器的控制电路 |
CN103427640A (zh) * | 2012-05-23 | 2013-12-04 | 德克萨斯仪器股份有限公司 | 具有负载检测的功率调节 |
US8680831B2 (en) | 2011-04-01 | 2014-03-25 | Richtek Technology Corp | Constant frequency on-time control system and method and voltage regulator using the same |
CN105119468A (zh) * | 2013-08-07 | 2015-12-02 | 台湾快捷国际股份有限公司 | 功率转换器的控制电路及其方法 |
CN105182806A (zh) * | 2014-06-10 | 2015-12-23 | 德昌电机(深圳)有限公司 | 一种电器开关及控制电器的方法 |
CN106033902A (zh) * | 2015-03-19 | 2016-10-19 | 晶豪科技股份有限公司 | 切换式充电器 |
CN109982485A (zh) * | 2019-04-16 | 2019-07-05 | 深圳市豪恩智能物联股份有限公司 | 恒流输出调节电路 |
CN110601309A (zh) * | 2019-09-29 | 2019-12-20 | 上海南芯半导体科技有限公司 | 一种用于开关模式充电器中实现涓流充电的电路与方法 |
CN111239465A (zh) * | 2020-01-16 | 2020-06-05 | 昂宝电子(上海)有限公司 | 线电压检测电路、系统及方法 |
CN112286277A (zh) * | 2019-07-24 | 2021-01-29 | 杭州萤石软件有限公司 | 电压调节电路 |
CN112564479A (zh) * | 2016-11-18 | 2021-03-26 | 华为技术有限公司 | 调压电路及调压方法 |
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Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6977492B2 (en) | 2002-07-10 | 2005-12-20 | Marvell World Trade Ltd. | Output regulator |
TWI371672B (en) * | 2004-08-30 | 2012-09-01 | Monolithic Power Systems Inc | Voltage regulation system |
US7385832B2 (en) * | 2006-07-03 | 2008-06-10 | Semiconductor Components Industries, L.L.C. | Method of forming a secondary-side controller and structure therefor |
KR101236955B1 (ko) * | 2006-07-19 | 2013-02-25 | 페어차일드코리아반도체 주식회사 | 스위칭 모드 파워 서플라이 및 그 구동 방법 |
US8294441B2 (en) * | 2006-11-13 | 2012-10-23 | Decicon, Inc. | Fast low dropout voltage regulator circuit |
US8304931B2 (en) * | 2006-12-18 | 2012-11-06 | Decicon, Inc. | Configurable power supply integrated circuit |
US20080157740A1 (en) * | 2006-12-18 | 2008-07-03 | Decicon, Inc. | Hybrid low dropout voltage regulator circuit |
US7952337B2 (en) * | 2006-12-18 | 2011-05-31 | Decicon, Inc. | Hybrid DC-DC switching regulator circuit |
KR100855584B1 (ko) * | 2006-12-26 | 2008-09-01 | 삼성전자주식회사 | 불휘발성 반도체 메모리에 채용하기 적합한 전압레귤레이팅 회로 |
TWI330775B (en) * | 2007-01-23 | 2010-09-21 | Richtek Technology Corp | Quick response switching regulator and control method thereof |
US8018694B1 (en) * | 2007-02-16 | 2011-09-13 | Fairchild Semiconductor Corporation | Over-current protection for a power converter |
US7814345B2 (en) * | 2007-02-28 | 2010-10-12 | Hewlett-Packard Development Company, L.P. | Gate drive voltage selection for a voltage regulator |
US8154222B2 (en) * | 2007-03-27 | 2012-04-10 | Texas Instruments Incorporated | Pulse-width modulation current control with reduced transient time |
US7755215B2 (en) * | 2007-04-27 | 2010-07-13 | Dell Products, Lp | Method and circuit to output adaptive drive voltages within information handling systems |
US7859236B2 (en) * | 2007-05-25 | 2010-12-28 | Micrel, Inc. | Voltage regulation system |
US7508177B2 (en) * | 2007-06-08 | 2009-03-24 | Freescale Semiconductor, Inc. | Method and circuit for reducing regulator output noise |
CN101369808B (zh) * | 2007-08-16 | 2010-11-10 | 天钰科技股份有限公司 | 开关调整控制电路 |
US7733073B2 (en) * | 2007-09-28 | 2010-06-08 | Infineon Technologies Ag | Current regulator with current threshold dependent duty cycle |
JP2009148111A (ja) * | 2007-12-17 | 2009-07-02 | Panasonic Corp | Dc−dcコンバータ |
JP2009291006A (ja) * | 2008-05-29 | 2009-12-10 | Fujitsu Ltd | 電圧変換装置、電圧変換方法、およびデューティ比決定プログラム |
US7928758B2 (en) * | 2008-06-13 | 2011-04-19 | System General Corp. | Transistor gate driving circuit with power saving of power converter |
TW201005461A (en) * | 2008-07-31 | 2010-02-01 | Richtek Technology Corp | Voltage regulator and control method thereof |
US7872460B2 (en) * | 2008-08-25 | 2011-01-18 | Freescale Semiconductor, Inc. | Method for detecting output short circuit in switching regulator |
JP5353119B2 (ja) * | 2008-08-26 | 2013-11-27 | サンケン電気株式会社 | スイッチング電源装置 |
US9386653B2 (en) | 2008-12-12 | 2016-07-05 | O2Micro Inc | Circuits and methods for driving light sources |
US8378588B2 (en) | 2008-12-12 | 2013-02-19 | O2Micro Inc | Circuits and methods for driving light sources |
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US8508150B2 (en) * | 2008-12-12 | 2013-08-13 | O2Micro, Inc. | Controllers, systems and methods for controlling dimming of light sources |
US8076867B2 (en) | 2008-12-12 | 2011-12-13 | O2Micro, Inc. | Driving circuit with continuous dimming function for driving light sources |
US9232591B2 (en) | 2008-12-12 | 2016-01-05 | O2Micro Inc. | Circuits and methods for driving light sources |
US8044608B2 (en) | 2008-12-12 | 2011-10-25 | O2Micro, Inc | Driving circuit with dimming controller for driving light sources |
US9030122B2 (en) | 2008-12-12 | 2015-05-12 | O2Micro, Inc. | Circuits and methods for driving LED light sources |
US9253843B2 (en) | 2008-12-12 | 2016-02-02 | 02Micro Inc | Driving circuit with dimming controller for driving light sources |
US8253403B2 (en) * | 2008-12-16 | 2012-08-28 | Green Solution Technology Co., Ltd. | Converting circuit and controller for controlling the same |
WO2010143511A1 (ja) * | 2009-06-10 | 2010-12-16 | 本田技研工業株式会社 | 変圧器の制御装置 |
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US8698419B2 (en) | 2010-03-04 | 2014-04-15 | O2Micro, Inc. | Circuits and methods for driving light sources |
CN103391006A (zh) | 2012-05-11 | 2013-11-13 | 凹凸电子(武汉)有限公司 | 光源驱动电路、控制电力转换器的控制器及方法 |
CN102971953B (zh) * | 2010-07-26 | 2015-07-01 | 株式会社村田制作所 | 开关控制电路及开关电源装置 |
US9306460B2 (en) * | 2011-02-23 | 2016-04-05 | Vkr Holding A/S | Power supply comprising a standby feature |
JP5216888B2 (ja) * | 2011-03-25 | 2013-06-19 | 株式会社東芝 | Dc−dc変換器 |
US9614094B2 (en) * | 2011-04-29 | 2017-04-04 | Semiconductor Energy Laboratory Co., Ltd. | Semiconductor device including oxide semiconductor layer and method for driving the same |
US8786269B2 (en) * | 2011-08-10 | 2014-07-22 | Eta Semiconductor Inc. | Constant frequency synthetic ripple power converter |
US20130043849A1 (en) * | 2011-08-18 | 2013-02-21 | Broadcom Corporation | Voltage Converter Including Variable Mode Switching Regulator And Related Method |
EP2621068B1 (en) * | 2012-01-27 | 2018-08-22 | Dialog Semiconductor GmbH | Bypass control in a DC-to-DC converter |
JP2013165570A (ja) * | 2012-02-10 | 2013-08-22 | Toshiba Corp | 半導体集積回路装置、dc−dcコンバータおよび電圧変換方法 |
US9337736B2 (en) * | 2012-03-19 | 2016-05-10 | System General Corporation | Controller with power saving for power converters and method for the same |
JP5959901B2 (ja) * | 2012-04-05 | 2016-08-02 | 株式会社日立製作所 | 半導体駆動回路および電力変換装置 |
US9019726B2 (en) * | 2012-07-13 | 2015-04-28 | Flextronics Ap, Llc | Power converters with quasi-zero power consumption |
TWM443878U (en) * | 2012-07-23 | 2012-12-21 | Richtek Technology Corp | Multi-phase switching regulator and droop circuit therefor |
JP6018829B2 (ja) * | 2012-07-27 | 2016-11-02 | ローム株式会社 | 電力供給装置、電力供給システム及び電力供給方法 |
US9019724B2 (en) | 2012-07-27 | 2015-04-28 | Flextronics Ap, Llc | High power converter architecture |
JP5802638B2 (ja) * | 2012-09-21 | 2015-10-28 | 株式会社東芝 | 昇降圧型電源回路 |
KR101413213B1 (ko) * | 2012-11-05 | 2014-08-06 | 현대모비스 주식회사 | 차량 강압형 전력변환 제어 장치 및 방법 |
KR101428293B1 (ko) * | 2012-12-18 | 2014-08-07 | 현대자동차주식회사 | 전기자동차용 보조배터리의 주기적 충전 방법 |
US20140253090A1 (en) * | 2013-03-05 | 2014-09-11 | Atmel Corporation | Configurable integrated circuit enabling multiple switched mode or linear mode power control topologies |
US9093911B2 (en) | 2013-03-15 | 2015-07-28 | Flextronics Ap, Llc | Switching mode power converter using coded signal control |
JP2015019502A (ja) | 2013-07-10 | 2015-01-29 | 株式会社東芝 | 半導体集積回路 |
KR101481315B1 (ko) * | 2013-09-04 | 2015-01-14 | 고려대학교 산학협력단 | 공급 전압 다중화기 및 공급 전압 다중화 방법 |
TWI514103B (zh) * | 2013-11-29 | 2015-12-21 | Giga Byte Tech Co Ltd | 電源管理單元 |
EP2933910B1 (en) | 2014-04-16 | 2017-12-20 | Dialog Semiconductor (UK) Limited | A multiple output offset comparator |
US9515556B2 (en) * | 2014-04-28 | 2016-12-06 | Intersil Americas LLC | Current pulse count control in a voltage regulator |
US9214198B2 (en) * | 2014-04-30 | 2015-12-15 | Sandisk Enterprise Ip Llc | Continuous capacitor health monitoring and power supply system |
US9331474B1 (en) * | 2014-10-08 | 2016-05-03 | Stmicroelectronics International N.V. | Over-voltage protection circuit for a drive transistor |
CN104767372B (zh) | 2015-04-24 | 2017-12-19 | 矽力杰半导体技术(杭州)有限公司 | 控制电路、控制方法和应用其的反激式变换器 |
US9958888B2 (en) * | 2015-06-16 | 2018-05-01 | Silicon Laboratories Inc. | Pre-charge technique for a voltage regulator |
US10110126B2 (en) | 2015-09-04 | 2018-10-23 | Dailog Semiconductor (UK) Limited | Electromagnetic interference (EMI) for pulse frequency modulation (PFM) mode of a switching regulator |
PT109102B (pt) * | 2016-01-25 | 2020-12-31 | Bosch Termotecnologia, S.A | Conversor de tensão, atuador e queimador de gás |
US9900942B1 (en) * | 2016-10-21 | 2018-02-20 | Semiconductor Components Industries, Llc | Apparatus, systems and methods for average current and frequency control in a synchronous buck DC/DC LED driver |
JP6966001B2 (ja) * | 2018-08-02 | 2021-11-10 | 富士電機株式会社 | スイッチング電源装置の制御装置 |
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JP7509649B2 (ja) | 2020-10-12 | 2024-07-02 | 日清紡マイクロデバイス株式会社 | Dc-dcコンバータ |
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CN114665709B (zh) * | 2022-04-01 | 2023-11-03 | 无锡力芯微电子股份有限公司 | 一种轻载高效的降压电路 |
CN118860051B (zh) * | 2024-09-29 | 2024-12-10 | 成都智多晶科技有限公司 | 低压差的线性稳压器及核心电路组 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5481178A (en) | 1993-03-23 | 1996-01-02 | Linear Technology Corporation | Control circuit and method for maintaining high efficiency over broad current ranges in a switching regulator circuit |
US5563500A (en) | 1994-05-16 | 1996-10-08 | Thomson Consumer Electronics, Inc. | Voltage regulator having complementary type transistor |
US5773966A (en) * | 1995-11-06 | 1998-06-30 | General Electric Company | Dual-mode, high-efficiency dc-dc converter useful for portable battery-operated equipment |
FR2768527B1 (fr) * | 1997-09-18 | 2000-07-13 | Sgs Thomson Microelectronics | Regulateur de tension |
JP3506913B2 (ja) * | 1997-09-22 | 2004-03-15 | セイコーインスツルメンツ株式会社 | スイッチングレギュレータ |
US6433525B2 (en) * | 2000-05-03 | 2002-08-13 | Intersil Americas Inc. | Dc to DC converter method and circuitry |
EP1199789A1 (en) * | 2000-10-19 | 2002-04-24 | Semiconductor Components Industries, LLC | Circuit and method of operating a low-noise, on-demand regulator in switched or linear mode |
US6930473B2 (en) * | 2001-08-23 | 2005-08-16 | Fairchild Semiconductor Corporation | Method and circuit for reducing losses in DC-DC converters |
JP3817446B2 (ja) * | 2001-02-15 | 2006-09-06 | 株式会社リコー | 電源回路及びdc−dcコンバータの出力電圧制御方法 |
KR200344816Y1 (ko) | 2003-12-09 | 2004-03-10 | 김현수 | 전압·전류 피이드백형 교류 전압조절기 |
-
2006
- 2006-03-15 US US11/376,929 patent/US7304464B2/en active Active
-
2007
- 2007-02-02 CA CA002576705A patent/CA2576705C/en not_active Expired - Fee Related
- 2007-02-09 TW TW096104877A patent/TWI328919B/zh active
- 2007-03-07 JP JP2007056951A patent/JP4422735B2/ja active Active
- 2007-03-13 CN CNB2007100867384A patent/CN100461597C/zh active Active
- 2007-03-14 KR KR1020070024785A patent/KR100875591B1/ko active IP Right Grant
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Also Published As
Publication number | Publication date |
---|---|
TWI328919B (en) | 2010-08-11 |
CA2576705A1 (en) | 2007-09-15 |
KR100875591B1 (ko) | 2008-12-23 |
CA2576705C (en) | 2009-09-08 |
JP2007252185A (ja) | 2007-09-27 |
KR20070093877A (ko) | 2007-09-19 |
US20070216372A1 (en) | 2007-09-20 |
US7304464B2 (en) | 2007-12-04 |
TW200737670A (en) | 2007-10-01 |
JP4422735B2 (ja) | 2010-02-24 |
EP1835603A2 (en) | 2007-09-19 |
CN100461597C (zh) | 2009-02-11 |
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