DE69231074D1 - Steuerung für ein automatisches Kraftfahrzeug-Getriebe - Google Patents

Steuerung für ein automatisches Kraftfahrzeug-Getriebe

Info

Publication number
DE69231074D1
DE69231074D1 DE69231074T DE69231074T DE69231074D1 DE 69231074 D1 DE69231074 D1 DE 69231074D1 DE 69231074 T DE69231074 T DE 69231074T DE 69231074 T DE69231074 T DE 69231074T DE 69231074 D1 DE69231074 D1 DE 69231074D1
Authority
DE
Germany
Prior art keywords
calculated
engine load
detected
vehicle speed
map
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.)
Expired - Lifetime
Application number
DE69231074T
Other languages
English (en)
Other versions
DE69231074T2 (de
Inventor
Hiroshi Yoshizawa
Hideo Fukushi
Hideo Furukawa
Hiroshi Ishikawa
Takafumi Maruyama
Satoru Sunada
Keiichi Ishikawa
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Honda Motor Co Ltd
Original Assignee
Honda Motor Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from JP26301391A external-priority patent/JP2981477B2/ja
Priority claimed from JP26301791A external-priority patent/JP2981478B2/ja
Priority claimed from JP26301591A external-priority patent/JP2902176B2/ja
Priority claimed from JP3263019A external-priority patent/JP3070017B2/ja
Priority claimed from JP3263016A external-priority patent/JP2902177B2/ja
Priority claimed from JP3263018A external-priority patent/JP2956803B2/ja
Priority claimed from JP3263020A external-priority patent/JP2934076B2/ja
Priority claimed from JP33978091A external-priority patent/JP2981479B2/ja
Priority claimed from JP3339779A external-priority patent/JP2897196B2/ja
Application filed by Honda Motor Co Ltd filed Critical Honda Motor Co Ltd
Application granted granted Critical
Publication of DE69231074D1 publication Critical patent/DE69231074D1/de
Publication of DE69231074T2 publication Critical patent/DE69231074T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/02—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing characterised by the signals used
    • F16H61/0202—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing characterised by the signals used the signals being electric
    • F16H61/0204—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing characterised by the signals used the signals being electric for gearshift control, e.g. control functions for performing shifting or generation of shift signal
    • F16H61/0213—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing characterised by the signals used the signals being electric for gearshift control, e.g. control functions for performing shifting or generation of shift signal characterised by the method for generating shift signals
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K28/00—Safety devices for propulsion-unit control, specially adapted for, or arranged in, vehicles, e.g. preventing fuel supply or ignition in the event of potentially dangerous conditions
    • B60K28/10—Safety devices for propulsion-unit control, specially adapted for, or arranged in, vehicles, e.g. preventing fuel supply or ignition in the event of potentially dangerous conditions responsive to conditions relating to the vehicle 
    • B60K28/16—Safety devices for propulsion-unit control, specially adapted for, or arranged in, vehicles, e.g. preventing fuel supply or ignition in the event of potentially dangerous conditions responsive to conditions relating to the vehicle  responsive to, or preventing, skidding of wheels
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H59/00—Control inputs to control units of change-speed-, or reversing-gearings for conveying rotary motion
    • F16H59/14—Inputs being a function of torque or torque demand
    • F16H2059/142—Inputs being a function of torque or torque demand of driving resistance calculated from weight, slope, or the like
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H59/00—Control inputs to control units of change-speed-, or reversing-gearings for conveying rotary motion
    • F16H59/36—Inputs being a function of speed
    • F16H59/38—Inputs being a function of speed of gearing elements
    • F16H2059/405—Rate of change of output shaft speed or vehicle speed
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H59/00—Control inputs to control units of change-speed-, or reversing-gearings for conveying rotary motion
    • F16H59/50—Inputs being a function of the status of the machine, e.g. position of doors or safety belts
    • F16H2059/506—Wheel slip
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H2061/0075—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing characterised by a particular control method
    • F16H2061/0096—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing characterised by a particular control method using a parameter map
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/02—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing characterised by the signals used
    • F16H61/0202—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing characterised by the signals used the signals being electric
    • F16H61/0204—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing characterised by the signals used the signals being electric for gearshift control, e.g. control functions for performing shifting or generation of shift signal
    • F16H61/0213—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing characterised by the signals used the signals being electric for gearshift control, e.g. control functions for performing shifting or generation of shift signal characterised by the method for generating shift signals
    • F16H2061/0216—Calculation or estimation of post shift values for different gear ratios, e.g. by using engine performance tables
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/02—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing characterised by the signals used
    • F16H61/0202—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing characterised by the signals used the signals being electric
    • F16H61/0204—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing characterised by the signals used the signals being electric for gearshift control, e.g. control functions for performing shifting or generation of shift signal
    • F16H61/0213—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing characterised by the signals used the signals being electric for gearshift control, e.g. control functions for performing shifting or generation of shift signal characterised by the method for generating shift signals
    • F16H2061/0227—Shift map selection, i.e. methods for controlling selection between different shift maps, e.g. to initiate switch to a map for up-hill driving
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H59/00—Control inputs to control units of change-speed-, or reversing-gearings for conveying rotary motion
    • F16H59/14—Inputs being a function of torque or torque demand
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H59/00—Control inputs to control units of change-speed-, or reversing-gearings for conveying rotary motion
    • F16H59/14—Inputs being a function of torque or torque demand
    • F16H59/18—Inputs being a function of torque or torque demand dependent on the position of the accelerator pedal
    • F16H59/20—Kickdown
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H59/00—Control inputs to control units of change-speed-, or reversing-gearings for conveying rotary motion
    • F16H59/14—Inputs being a function of torque or torque demand
    • F16H59/24—Inputs being a function of torque or torque demand dependent on the throttle opening
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H59/00—Control inputs to control units of change-speed-, or reversing-gearings for conveying rotary motion
    • F16H59/36—Inputs being a function of speed
    • F16H59/44—Inputs being a function of speed dependent on machine speed of the machine, e.g. the vehicle
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H59/00—Control inputs to control units of change-speed-, or reversing-gearings for conveying rotary motion
    • F16H59/48—Inputs being a function of acceleration
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H59/00—Control inputs to control units of change-speed-, or reversing-gearings for conveying rotary motion
    • F16H59/50—Inputs being a function of the status of the machine, e.g. position of doors or safety belts
    • F16H59/54—Inputs being a function of the status of the machine, e.g. position of doors or safety belts dependent on signals from the brakes, e.g. parking brakes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H59/00—Control inputs to control units of change-speed-, or reversing-gearings for conveying rotary motion
    • F16H59/60—Inputs being a function of ambient conditions
    • F16H59/66—Road conditions, e.g. slope, slippery
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H59/00—Control inputs to control units of change-speed-, or reversing-gearings for conveying rotary motion
    • F16H59/68—Inputs being a function of gearing status
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/16—Inhibiting or initiating shift during unfavourable conditions, e.g. preventing forward reverse shift at high vehicle speed, preventing engine over speed
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/68—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing specially adapted for stepped gearings
    • F16H61/682—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing specially adapted for stepped gearings with interruption of drive
DE69231074T 1991-09-14 1992-08-27 Steuerung für ein automatisches Kraftfahrzeug-Getriebe Expired - Lifetime DE69231074T2 (de)

Applications Claiming Priority (9)

Application Number Priority Date Filing Date Title
JP3263016A JP2902177B2 (ja) 1991-09-14 1991-09-14 車両用自動変速機の制御装置
JP3263018A JP2956803B2 (ja) 1991-09-14 1991-09-14 車両用自動変速機の制御装置
JP3263019A JP3070017B2 (ja) 1991-09-14 1991-09-14 車両用自動変速機の制御装置
JP3263020A JP2934076B2 (ja) 1991-09-14 1991-09-14 車両用自動変速機の制御装置
JP26301791A JP2981478B2 (ja) 1991-09-14 1991-09-14 車両用自動変速機の制御装置
JP26301391A JP2981477B2 (ja) 1991-09-14 1991-09-14 車両用自動変速機の制御装置
JP26301591A JP2902176B2 (ja) 1991-09-14 1991-09-14 自動変速機などの車両制御装置
JP33978091A JP2981479B2 (ja) 1991-11-28 1991-11-28 車両用自動変速機の制御装置
JP3339779A JP2897196B2 (ja) 1991-11-28 1991-11-28 車両用自動変速機の制御装置

Publications (2)

Publication Number Publication Date
DE69231074D1 true DE69231074D1 (de) 2000-06-21
DE69231074T2 DE69231074T2 (de) 2000-09-14

Family

ID=27577697

Family Applications (3)

Application Number Title Priority Date Filing Date
DE69231074T Expired - Lifetime DE69231074T2 (de) 1991-09-14 1992-08-27 Steuerung für ein automatisches Kraftfahrzeug-Getriebe
DE69225938T Expired - Lifetime DE69225938T2 (de) 1991-09-14 1992-08-27 Steuerungssystem für automatisches Kraftfahrzeuggetriebe
DE69231071T Expired - Lifetime DE69231071T2 (de) 1991-09-14 1992-08-27 Steuerung für ein automatisches Kraftfahrzeug-Getriebe

Family Applications After (2)

Application Number Title Priority Date Filing Date
DE69225938T Expired - Lifetime DE69225938T2 (de) 1991-09-14 1992-08-27 Steuerungssystem für automatisches Kraftfahrzeuggetriebe
DE69231071T Expired - Lifetime DE69231071T2 (de) 1991-09-14 1992-08-27 Steuerung für ein automatisches Kraftfahrzeug-Getriebe

Country Status (3)

Country Link
US (1) US5317937A (de)
EP (3) EP0744564B1 (de)
DE (3) DE69231074T2 (de)

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JPH094705A (ja) * 1995-06-16 1997-01-07 Aisin Aw Co Ltd 自動変速機の制御装置
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JP2000115907A (ja) * 1998-10-09 2000-04-21 Mitsubishi Electric Corp 内燃機関型電気機関車用制御装置
JP2000320658A (ja) * 1999-05-14 2000-11-24 Honda Motor Co Ltd 車両の速度制御装置
JP2000318486A (ja) * 1999-05-14 2000-11-21 Honda Motor Co Ltd 車両の速度制御装置
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FR2850356B1 (fr) * 2003-01-28 2005-03-18 Airbus France Systeme de controle du regime d'au moins un moteur d'un aeronef
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JP5026188B2 (ja) * 2007-08-10 2012-09-12 株式会社デンソー 車両用制御装置及び車両用制御システム
JP4720870B2 (ja) * 2008-08-01 2011-07-13 トヨタ自動車株式会社 機関用燃料診断装置及び同装置を備える自動変速機の制御装置
FR2936478B1 (fr) * 2008-09-30 2011-06-17 Renault Sas Procede d'estimation de l'acceleration longitudinale atteignable sur le rapport superieur au rapport actuel, pour un vehicule equipe d'une boite de vitesse a rapports discrets.
JP5117354B2 (ja) * 2008-11-14 2013-01-16 本田技研工業株式会社 車両の監視システム
WO2012086684A1 (ja) * 2010-12-24 2012-06-28 株式会社小松製作所 ホイールローダ
GB2492765A (en) 2011-07-11 2013-01-16 Jaguar Cars Hybrid vehicle controller verifies that engine torque corresponds to demanded torque
DE102012200172B4 (de) 2012-01-09 2023-01-12 Zf Friedrichshafen Ag Verfahren zum Betreiben einer Getriebevorrichtung eines Fahrzeugantriebsstranges mit einer Antriebsmaschine
GB2492891B (en) * 2012-07-11 2014-05-14 Jaguar Land Rover Ltd Control system, vehicle and method of controlling a vehicle
CN104812641B (zh) * 2012-11-27 2016-08-24 日产自动车株式会社 车辆控制装置及其控制方法
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CN103711892B (zh) * 2013-12-30 2016-05-04 长城汽车股份有限公司 一种自动挡车辆换挡器防误挂方法
JP6092791B2 (ja) * 2014-01-15 2017-03-08 富士重工業株式会社 無段変速機の変速制御装置
JP6273876B2 (ja) 2014-02-06 2018-02-07 スズキ株式会社 変速制御装置
CN106476811B (zh) * 2016-10-31 2018-10-30 安徽江淮汽车集团股份有限公司 一种整车负载计算的控制方法及系统
JP6750538B2 (ja) * 2017-03-01 2020-09-02 トヨタ自動車株式会社 自動変速機の変速制御装置

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Publication number Publication date
EP0532957A3 (en) 1994-11-23
EP0748959A3 (de) 1998-04-22
US5317937A (en) 1994-06-07
DE69225938T2 (de) 1998-10-15
EP0748959B1 (de) 2000-05-17
EP0744564A2 (de) 1996-11-27
DE69231071T2 (de) 2000-09-14
EP0532957A2 (de) 1993-03-24
EP0744564B1 (de) 2000-05-17
DE69231071D1 (de) 2000-06-21
DE69225938D1 (de) 1998-07-23
EP0744564A3 (de) 1998-04-22
DE69231074T2 (de) 2000-09-14
EP0748959A2 (de) 1996-12-18
EP0532957B1 (de) 1998-06-17

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