ATE242562T1 - Eintakt-durchflussumrichter für gleichstrom- gleichstrom-umwandlung mit verbesserter rücksetzung für synchrongleichrichtung - Google Patents
Eintakt-durchflussumrichter für gleichstrom- gleichstrom-umwandlung mit verbesserter rücksetzung für synchrongleichrichtungInfo
- Publication number
- ATE242562T1 ATE242562T1 AT97936977T AT97936977T ATE242562T1 AT E242562 T1 ATE242562 T1 AT E242562T1 AT 97936977 T AT97936977 T AT 97936977T AT 97936977 T AT97936977 T AT 97936977T AT E242562 T1 ATE242562 T1 AT E242562T1
- Authority
- AT
- Austria
- Prior art keywords
- converter
- primary
- switch
- synchronous rectification
- transformer
- Prior art date
Links
- 230000001360 synchronised effect Effects 0.000 title abstract 2
- 238000006243 chemical reaction Methods 0.000 title 1
- 238000004804 winding Methods 0.000 abstract 4
- 239000003990 capacitor Substances 0.000 abstract 3
- 230000005415 magnetization Effects 0.000 abstract 1
Classifications
-
- 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
- H02M3/22—Conversion of DC power input into DC power output with intermediate conversion into AC
- H02M3/24—Conversion of DC power input into DC power output with intermediate conversion into AC by static converters
- H02M3/28—Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC
- H02M3/325—Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC using devices of a triode or a transistor type requiring continuous application of a control signal
- H02M3/335—Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC using devices of a triode or a transistor type requiring continuous application of a control signal using 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
- H02M3/00—Conversion of DC power input into DC power output
- H02M3/22—Conversion of DC power input into DC power output with intermediate conversion into AC
- H02M3/24—Conversion of DC power input into DC power output with intermediate conversion into AC by static converters
- H02M3/28—Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC
- H02M3/325—Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC using devices of a triode or a transistor type requiring continuous application of a control signal
- H02M3/335—Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
- H02M3/33569—Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only having several active switching elements
- H02M3/33576—Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only having several active switching elements having at least one active switching element at the secondary side of an isolation transformer
-
- 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
- H02M3/22—Conversion of DC power input into DC power output with intermediate conversion into AC
- H02M3/24—Conversion of DC power input into DC power output with intermediate conversion into AC by static converters
- H02M3/28—Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC
- H02M3/325—Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC using devices of a triode or a transistor type requiring continuous application of a control signal
- H02M3/335—Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
- H02M3/33569—Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only having several active switching elements
- H02M3/33576—Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only having several active switching elements having at least one active switching element at the secondary side of an isolation transformer
- H02M3/33592—Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only having several active switching elements having at least one active switching element at the secondary side of an isolation transformer having a synchronous rectifier circuit or a synchronous freewheeling circuit at the secondary side of an isolation transformer
-
- 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)
- Dc-Dc Converters (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US2255596P | 1996-07-18 | 1996-07-18 | |
| US08/730,684 US5781420A (en) | 1996-07-18 | 1996-10-11 | Single ended forward DC-to-DC converter providing enhanced resetting for synchronous rectification |
| PCT/US1997/012667 WO1998004028A1 (en) | 1996-07-18 | 1997-07-18 | Single ended forward dc-to-dc converter providing enhanced resetting for synchronous rectification |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ATE242562T1 true ATE242562T1 (de) | 2003-06-15 |
Family
ID=26696061
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT97936977T ATE242562T1 (de) | 1996-07-18 | 1997-07-18 | Eintakt-durchflussumrichter für gleichstrom- gleichstrom-umwandlung mit verbesserter rücksetzung für synchrongleichrichtung |
Country Status (7)
| Country | Link |
|---|---|
| US (5) | US5781420A (de) |
| EP (1) | EP0913026B1 (de) |
| KR (1) | KR100481065B1 (de) |
| CN (1) | CN1076139C (de) |
| AT (1) | ATE242562T1 (de) |
| DE (1) | DE69722625T2 (de) |
| WO (1) | WO1998004028A1 (de) |
Families Citing this family (58)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5781420A (en) * | 1996-07-18 | 1998-07-14 | International Power Devices, Inc. | Single ended forward DC-to-DC converter providing enhanced resetting for synchronous rectification |
| AU722043B2 (en) | 1997-01-24 | 2000-07-20 | Synqor, Inc. | High efficiency power converter |
| US7269034B2 (en) | 1997-01-24 | 2007-09-11 | Synqor, Inc. | High efficiency power converter |
| JP2001519999A (ja) * | 1998-02-03 | 2001-10-23 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | 同期整流による切換電圧変換器 |
| US5991171A (en) * | 1998-02-05 | 1999-11-23 | Pi Electronics (H.K.) Ltd. | DC-to-DC converters |
| JP3280615B2 (ja) * | 1998-02-18 | 2002-05-13 | ティーディーケイ株式会社 | スイッチング電源装置 |
| DE59908480D1 (de) * | 1998-09-16 | 2004-03-11 | Siemens Ag | Schaltungsanordnung und verfahren zur selbstgesteuerten gleichrichtung in umrichtern |
| WO2000025413A1 (en) * | 1998-10-23 | 2000-05-04 | Ronald Kevin Fricker | Switch mode and computer power supply with a method of its controlling |
| JP3387456B2 (ja) * | 1998-10-29 | 2003-03-17 | 株式会社村田製作所 | スイッチング電源装置 |
| US6038148A (en) * | 1998-12-11 | 2000-03-14 | Ericsson, Inc. | Self-driven synchronous rectification scheme |
| US6256214B1 (en) | 1999-03-11 | 2001-07-03 | Ericsson Inc. | General self-driven synchronous rectification scheme for synchronous rectifiers having a floating gate |
| JP3336995B2 (ja) * | 1999-04-30 | 2002-10-21 | 株式会社村田製作所 | Dcーdcコンバータ |
| ES2157784B1 (es) | 1999-05-06 | 2002-02-16 | Cit Alcatel | Convertidor de alimentacion conmutado a tension cero. |
| US6304463B1 (en) * | 1999-05-07 | 2001-10-16 | Power-One, Inc. | Single-ended forward converter circuit with quasi-optimal resetting for synchronous rectification |
| US6369408B1 (en) | 1999-10-06 | 2002-04-09 | Agere Systems Guardian Corp. | GaAs MOSFET having low capacitance and on-resistance and method of manufacturing the same |
| WO2001033708A1 (en) | 1999-11-05 | 2001-05-10 | Power-One, Inc. | Forward converter circuit having reduced switching losses |
| US6163467A (en) * | 1999-12-14 | 2000-12-19 | Nagano Japan Radio Co., Ltd. | Switching power supply for generating DC voltage by synchronous rectification |
| DE60102179T2 (de) * | 2000-06-09 | 2004-09-16 | Alcatel | Resonanzschaltnetzteil |
| JP2002153054A (ja) * | 2000-11-10 | 2002-05-24 | Fujitsu Ltd | スイッチング電源回路 |
| US6343023B1 (en) * | 2000-12-15 | 2002-01-29 | Celestica International Inc. | System and method for recovering energy in power converters |
| US6625043B2 (en) * | 2001-02-21 | 2003-09-23 | Tdk Corporation | Power supply unit and driving method thereof |
| US6324077B1 (en) | 2001-04-19 | 2001-11-27 | Martek Power, Inc. | Switch mode power supply |
| US6807073B1 (en) | 2001-05-02 | 2004-10-19 | Oltronics, Inc. | Switching type power converter circuit and method for use therein |
| US6452818B1 (en) * | 2001-08-27 | 2002-09-17 | Anastasios A. Simopoulos | Self driven active clamp |
| US6937483B2 (en) * | 2002-01-16 | 2005-08-30 | Ballard Power Systems Corporation | Device and method of commutation control for an isolated boost converter |
| KR100508208B1 (ko) * | 2002-09-26 | 2005-08-17 | 동양이엔피 주식회사 | 스위칭 전원 장치용 동기 정류 회로 |
| JP4124231B2 (ja) * | 2002-10-21 | 2008-07-23 | サンケン電気株式会社 | 直流変換装置 |
| US6939347B2 (en) * | 2002-11-19 | 2005-09-06 | Conmed Corporation | Electrosurgical generator and method with voltage and frequency regulated high-voltage current mode power supply |
| US6882548B1 (en) | 2003-02-24 | 2005-04-19 | Tyco Electronics Power Systems, Inc. | Auxiliary active clamp circuit, a method of clamping a voltage of a rectifier switch and a power converter employing the circuit or method |
| US6822882B1 (en) | 2003-08-01 | 2004-11-23 | Tyco Electronics Power Systems, Inc. | Gate driver with a DC offset bias circuit and a power converter employing the same |
| CN1295854C (zh) * | 2003-10-17 | 2007-01-17 | 中兴通讯股份有限公司 | 单端正激电源自驱动复位电路 |
| FR2861916A1 (fr) * | 2003-10-31 | 2005-05-06 | St Microelectronics Sa | Commande d'un transistor mos en element de redressement |
| EP1687890A1 (de) * | 2003-11-14 | 2006-08-09 | Koninklijke Philips Electronics N.V. | Oktokopplerloses schaltnetzteil |
| US7130201B2 (en) * | 2004-05-14 | 2006-10-31 | Grand Power Sources Inc. | Power supply device for outputting stable programmable power supply |
| CN100388602C (zh) * | 2004-12-24 | 2008-05-14 | 中兴通讯股份有限公司 | 一种低输出纹波低器件应力的直流-直流电源变换器 |
| JP4430531B2 (ja) | 2004-12-28 | 2010-03-10 | 株式会社日立製作所 | 双方向絶縁型dc−dcコンバータ |
| US7606051B1 (en) * | 2005-11-03 | 2009-10-20 | Wittenbreder Jr Ernest Henry | Fully clamped coupled inductors in power conversion circuits |
| DE102007060231A1 (de) * | 2007-12-14 | 2009-06-18 | Robert Bosch Gmbh | Generator mit Gleichrichteranordnung |
| US7924579B2 (en) * | 2008-02-05 | 2011-04-12 | Cisco Technology, Inc. | Fly-forward converter power supply |
| US9397502B2 (en) | 2009-03-02 | 2016-07-19 | Volterra Semiconductor LLC | System and method for proportioned power distribution in power converter arrays |
| US10283974B2 (en) | 2009-03-02 | 2019-05-07 | Volterra Semiconductor LLC | Systems and methods for intelligent, adaptive management of energy storage packs |
| WO2010101960A1 (en) * | 2009-03-02 | 2010-09-10 | Element Energy | Systems and methods for scalable configurations of intelligent energy storage packs |
| DE102009055331A1 (de) * | 2009-12-28 | 2011-06-30 | Robert Bosch GmbH, 70469 | Vorrichtung und Verfahren zur Erkennung einer Verpolung auf einer Niedervoltseite eines Gleichspannungswandlers in einem Zweispannungsbordnetz |
| CN101847935A (zh) * | 2010-05-24 | 2010-09-29 | 深圳市核达中远通电源技术有限公司 | 一种直流到直流变换器 |
| GB2480822B (en) * | 2010-06-01 | 2017-05-17 | Global Inkjet Systems Ltd | Driver circuit |
| CN102170732B (zh) * | 2011-04-24 | 2014-02-19 | 魏其萃 | 用于mr16 发光二极管驱动电路拓扑装置 |
| CN102497106A (zh) * | 2011-12-05 | 2012-06-13 | 北京新雷能科技股份有限公司 | 一种单端正激功率变换器 |
| JP5641368B2 (ja) * | 2012-04-12 | 2014-12-17 | 株式会社村田製作所 | スイッチング電源装置 |
| US10199950B1 (en) | 2013-07-02 | 2019-02-05 | Vlt, Inc. | Power distribution architecture with series-connected bus converter |
| KR102344534B1 (ko) * | 2014-11-11 | 2021-12-29 | 엘지이노텍 주식회사 | 전력변환부 |
| US10262829B2 (en) * | 2015-12-14 | 2019-04-16 | General Electric Company | Protection circuit assembly and method for high voltage systems |
| CN105915060B (zh) * | 2016-05-03 | 2018-07-27 | 西安科技大学 | 具有副边绕组磁复位功能的正激变换电路及其复位方法 |
| IT201900006000A1 (it) * | 2019-04-17 | 2020-10-17 | St Microelectronics Srl | Un procedimento per operare un convertitore flyback avente un clamp attivo, corrispondente circuito di controllo e convertitore flyback |
| CN111682750B (zh) * | 2020-06-02 | 2022-12-30 | 西安摩达芯电子科技有限公司 | 一种副边并联lcd实现正反激能量传输的正激变换器 |
| CN111682778B (zh) * | 2020-06-02 | 2023-06-30 | 西安科技大学 | 一种磁复位正激变换器 |
| CN111682775B (zh) * | 2020-06-02 | 2022-12-09 | 西安科技大学 | 一种副边串联lcd实现励磁能量转移的正激变换器 |
| CN111682776B (zh) * | 2020-06-02 | 2022-12-09 | 西安科技大学 | 一种可抑制输出能量倒灌的副边并联lcd正激变换器 |
| US11804782B2 (en) * | 2022-01-28 | 2023-10-31 | Analog Devices, Inc. | Active-clamp current-fed push-pull converter for bidirectional power transfer |
Family Cites Families (32)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU89614A1 (ru) | 1949-08-13 | 1949-11-30 | С.А. Дарбинян | Хлебопекарна печь |
| SU892614A1 (ru) * | 1980-04-11 | 1981-12-23 | Московский Ордена Ленина Энергетический Институт | Однотактный регул тор посто нного напр жени |
| US4444146A (en) | 1982-01-13 | 1984-04-24 | Honeywell Inc. | Ultrasonic subsurface cleaning |
| US4441146A (en) * | 1982-02-04 | 1984-04-03 | Vicor Corporation | Optimal resetting of the transformer's core in single ended forward converters |
| US4688160A (en) * | 1985-12-19 | 1987-08-18 | American Telephone And Telegraph Co., At&T Bell Labs | Single ended forward converter with resonant commutation of magnetizing current |
| US4809148A (en) * | 1987-10-21 | 1989-02-28 | British Columbia Telephone Company | Full-fluxed, single-ended DC converter |
| US4975821A (en) * | 1989-10-10 | 1990-12-04 | Lethellier Patrice R | High frequency switched mode resonant commutation power supply |
| JPH0748944B2 (ja) * | 1989-10-14 | 1995-05-24 | 東光株式会社 | Dc―dcコンバータ |
| US5126931A (en) * | 1990-09-07 | 1992-06-30 | Itt Corporation | Fixed frequency single ended forward converter switching at zero voltage |
| US5291382A (en) * | 1991-04-10 | 1994-03-01 | Lambda Electronics Inc. | Pulse width modulated DC/DC converter with reduced ripple current coponent stress and zero voltage switching capability |
| ATE148276T1 (de) * | 1991-05-29 | 1997-02-15 | Siemens Ag | Eintakt-durchflussumrichter mit einem transformator und mit einer schutzschaltung für einen elektronischen schalter |
| US5353212A (en) * | 1992-04-20 | 1994-10-04 | At&T Bell Laboratories | Zero-voltage switching power converter with ripple current cancellation |
| US5521807A (en) * | 1992-12-31 | 1996-05-28 | Interpoint Corporation | DC-To-DC converter with secondary flyback core reset |
| US5434768A (en) * | 1993-02-12 | 1995-07-18 | Rompower | Fixed frequency converter switching at zero voltage |
| US5625541A (en) * | 1993-04-29 | 1997-04-29 | Lucent Technologies Inc. | Low loss synchronous rectifier for application to clamped-mode power converters |
| US5303138A (en) * | 1993-04-29 | 1994-04-12 | At&T Bell Laboratories | Low loss synchronous rectifier for application to clamped-mode power converters |
| US5457620A (en) * | 1993-07-30 | 1995-10-10 | At&T Ipm Corp. | Current estimating circuit for switch mode power supply |
| US5434767A (en) * | 1994-01-10 | 1995-07-18 | University Of Central Florida | Power converter possessing zero-voltage switching and output isolation |
| US5636106A (en) * | 1994-01-10 | 1997-06-03 | University Of Central Florida | Variable frequency controlled zero-voltage switching single-ended current-fed DC-to-AC converter with output isolation |
| US5610508A (en) * | 1994-06-16 | 1997-03-11 | Reltec Corporation | Circuitry to maintain proper current transformer operation |
| JP3328429B2 (ja) * | 1994-06-20 | 2002-09-24 | パイオニア株式会社 | 光ディスク記録用ビームパワーコントロール装置 |
| JP2795217B2 (ja) * | 1995-06-01 | 1998-09-10 | 日本電気株式会社 | 同期整流方式コンバータ |
| JP2806320B2 (ja) * | 1995-09-13 | 1998-09-30 | 日本電気株式会社 | 同期整流回路 |
| JP2792536B2 (ja) * | 1995-09-26 | 1998-09-03 | 日本電気株式会社 | 共振型dc−dcコンバータ |
| JPH09103073A (ja) * | 1995-10-05 | 1997-04-15 | Fujitsu Denso Ltd | Dc−dcコンバータ |
| US5636107A (en) * | 1995-11-15 | 1997-06-03 | International Power Devices, Inc. | DC-DC converters |
| KR0164098B1 (ko) * | 1996-04-02 | 1999-04-15 | 이준 | 스위치 결합형 능동 포워드 컨버터 |
| US5781420A (en) * | 1996-07-18 | 1998-07-14 | International Power Devices, Inc. | Single ended forward DC-to-DC converter providing enhanced resetting for synchronous rectification |
| US5991171A (en) * | 1998-02-05 | 1999-11-23 | Pi Electronics (H.K.) Ltd. | DC-to-DC converters |
| US5999419A (en) * | 1998-08-07 | 1999-12-07 | National Semiconductor Corporation | Non-isolated boost converter with current steering |
| JP2000078841A (ja) * | 1998-08-28 | 2000-03-14 | Nec Corp | Dc/dcコンバータの整流回路 |
| US6021051A (en) * | 1998-12-29 | 2000-02-01 | General Electric Company | Power converter with crowbar circuit and control for very fast output voltage turn-off |
-
1996
- 1996-10-11 US US08/730,684 patent/US5781420A/en not_active Expired - Fee Related
-
1997
- 1997-07-18 WO PCT/US1997/012667 patent/WO1998004028A1/en not_active Ceased
- 1997-07-18 EP EP97936977A patent/EP0913026B1/de not_active Expired - Lifetime
- 1997-07-18 DE DE69722625T patent/DE69722625T2/de not_active Expired - Fee Related
- 1997-07-18 AT AT97936977T patent/ATE242562T1/de not_active IP Right Cessation
- 1997-07-18 KR KR10-1999-7000377A patent/KR100481065B1/ko not_active Expired - Fee Related
- 1997-07-18 CN CN97196460A patent/CN1076139C/zh not_active Expired - Fee Related
-
1998
- 1998-06-26 US US09/105,511 patent/US5886881A/en not_active Expired - Lifetime
-
1999
- 1999-03-10 US US09/266,199 patent/US5986899A/en not_active Expired - Lifetime
- 1999-11-15 US US09/439,748 patent/US6141224A/en not_active Expired - Lifetime
-
2000
- 2000-06-06 US US09/587,943 patent/US6278621B1/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| US5886881A (en) | 1999-03-23 |
| EP0913026A1 (de) | 1999-05-06 |
| US5781420A (en) | 1998-07-14 |
| US6141224A (en) | 2000-10-31 |
| US6278621B1 (en) | 2001-08-21 |
| WO1998004028A1 (en) | 1998-01-29 |
| EP0913026B1 (de) | 2003-06-04 |
| DE69722625T2 (de) | 2004-05-13 |
| US5986899A (en) | 1999-11-16 |
| CN1076139C (zh) | 2001-12-12 |
| KR20000067919A (ko) | 2000-11-25 |
| CN1229536A (zh) | 1999-09-22 |
| DE69722625D1 (de) | 2003-07-10 |
| KR100481065B1 (ko) | 2005-04-07 |
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