WO1993004896A1 - Control module assembly unit for mounting on vehicle - Google Patents
Control module assembly unit for mounting on vehicle Download PDFInfo
- Publication number
- WO1993004896A1 WO1993004896A1 PCT/JP1992/001122 JP9201122W WO9304896A1 WO 1993004896 A1 WO1993004896 A1 WO 1993004896A1 JP 9201122 W JP9201122 W JP 9201122W WO 9304896 A1 WO9304896 A1 WO 9304896A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- control
- vehicle
- module
- unit
- control module
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
- B60R16/03—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for supply of electrical power to vehicle subsystems or for
- B60R16/0315—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for supply of electrical power to vehicle subsystems or for using multiplexing techniques
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
- B60R16/03—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for supply of electrical power to vehicle subsystems or for
- B60R16/0315—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for supply of electrical power to vehicle subsystems or for using multiplexing techniques
- B60R2016/0322—Temporary code for documents to be reclassified to G08C, H04L or H04Q
Definitions
- the present invention relates to a control module assembly unit for a vehicle, and each of the electronic control devices, which conventionally existed as a separate unit, was modularized to provide a plurality of control modules. This is used for a collective unit in which modules are collectively mounted in one housing.
- ECUs electronice control units
- a method of serial data communication for example, Japanese Patent Application Laid-Open No. 62-37895.
- the present invention has been made in view of the above-mentioned problems, and has a low noise level.
- the purpose of the present invention is to provide an on-vehicle control module assembly unit capable of suppressing the influence and enabling high-speed communication and building a highly reliable vehicle control system.
- control modules For a plurality of control target devices mounted on the vehicle, a plurality of control modules in which respective control functions for controlling the control target devices are modularized,
- a mother board for connecting the control modules so as to be able to communicate with each other; an input / output module for inputting and outputting data to and from each of the control target devices, which is connected to the mother board;
- a vehicle-mounted control module assembly unit wherein the plurality of control modules, the motherboard, and the input / output module are centrally mounted in the same housing.
- a plurality of control module assembly units according to claim 1 are provided, and the assembly units have a desired one according to an arrangement position of the controlled device and the like.
- the present invention adopts a distributed arrangement type: on-vehicle control module assembly unit, which is distributed and arranged in a location, and wherein the aggregation units are connected by high-speed communication means.
- a temperature detecting means for detecting a temperature inside the housing.
- a function stop control means for stopping some of the less important functions in the collective unit.
- the signal input to the input / output module is transmitted to the motherboard. It can be distributed to each control module via a node, and duplication of circuits for input and output can be avoided. Also, since there are multiple control modules in the same housing, circuits that are commonly used in each control module, such as a power supply circuit and a circuit for holding learning results, etc. Can be combined into one. Furthermore, information exchange between the control modules is performed via a motherboard, and since this is communication within the same housing, radiation noise is reduced and it is hard to be affected by extraneous noise.
- the collective unit for controlling the control target equipment disposed in the front part of the vehicle is provided in the front part of the vehicle, and the collective unit for the control target equipment in the rear part of the vehicle. Can be distributed in the rear of the vehicle. Even if it is too large to place them in one unit, it is difficult to place them in a single unit.Each unit can be made smaller by appropriately distributing it according to the space in the vehicle. And place it in the best place.
- the temperature in the housing detected by the temperature detecting means when the temperature in the housing detected by the temperature detecting means is equal to or higher than a predetermined temperature, some of the less important functions in the collective unit are performed. It can be stopped to prevent the temperature inside the case from rising. This involves, for example, stopping a less important drive unit or stopping power supply to the less important control module itself. Therefore, for example, the normal operation of the minimum functions necessary for running the vehicle can be ensured.
- a part or all of the function of the function stop control means may be provided in the control module according to claim 1.
- FIG. 1 is a schematic configuration diagram showing an embodiment of the present invention
- FIG. 2 is a block diagram showing a schematic configuration of an on-vehicle control module assembly unit according to an embodiment of the present invention
- FIG. FIG. 6 is a schematic explanatory diagram of a distributed arrangement type in-vehicle control module assembly unit according to another embodiment of the present invention.
- FIG. 4 is a block diagram illustrating a schematic configuration of the communication module of the present embodiment
- FIG. 5 is a flowchart illustrating a fail-safe control process in the present embodiment.
- FIG. 6 is a schematic explanatory diagram for explaining a schematic configuration of a power supply module according to the present embodiment.
- FIG. FIG. 1 is a schematic explanatory diagram for explaining a schematic configuration of a wiring relation between a sensor and a control device according to an embodiment of the present invention.
- FIG. 2 is a block diagram showing a schematic configuration of an on-vehicle control module assembly unit according to one embodiment of the present invention.
- the unit 1 includes a power supply module 11, an input / output module 13, a plurality of control modules 15, a common module 17, a communication module 19, and a motherboard. And 21 etc.
- All the power supplied to this unit 1 is connected to the power supply module 11, and the input / output module 13, each control module 15, the common module 17, the communication module 19, and the mother module Sufficient power is supplied to board 21.
- the input / output module 13 is connected to an external device such as a sensor actuator (both not shown) provided for each control object via a wire harness, and can input detection signals from sensors. Have been. Also, inside A drive circuit 13a is provided for each actuation unit, and the drive circuit 13a outputs a drive signal to each actuation unit in accordance with an actuation unit drive control signal described later.
- a sensor actuator both not shown
- a drive circuit 13a is provided for each actuation unit, and the drive circuit 13a outputs a drive signal to each actuation unit in accordance with an actuation unit drive control signal described later.
- Each control module 15 is a module for controlling various control functions that have been divided according to the control target, such as an ECU for engine control and an ECU for an Antilock Brake System (hereinafter referred to as ABS) for wheel braking. It is a new rule.
- ABS Antilock Brake System
- the common module 17 is provided with a function equivalent to the memory for storing learning results and the like provided in the conventional control ECUs.
- the communication module 19 is used when the control unit is a distributed control type control unit for a vehicle to be described later.For example, when the control unit 1 is used alone, This communication module 19 may be omitted.
- each control module 15, common module 17, and communication module 19 are provided on the motherboard 21. It is configured to be able to communicate with each other via a common bus. Furthermore, the modules i 1, 13, 15, 17, 19, and the motherboard 21 are collectively mounted in the same housing 23.
- a temperature sensor 25 for detecting the temperature in the housing 23 is provided, and is connected to a temperature detection circuit 27 in the power supply module 11. Next, the operation of the main unit 1 will be described.
- Signals from each sensor switch, etc. are input to the I / O module 13 via one harness. Then, packaging and the like are performed in the input / output module 13 and the input signals are distributed to the modules 15, 17, and 19 that require the input signals via the motherboard 21.
- Each control module 15 receives an input signal, performs arithmetic processing according to each control function, generates an actuator drive control signal, and inputs it through the motherboard 21. Output to output module 13. So Then, the corresponding drive circuit 13a in the input / output module 13 outputs a drive signal to the corresponding actuator according to the actuator drive control signal, and the actuator is driven by this drive signal. I do.
- the present embodiment it is only necessary to connect the sensor or the actuator and the input / output module 13 with one harness. Therefore, the number of harnesses can be reduced. Even when one signal is input to a plurality of control modules 15, the signal input to the input / output module 13 is distributed to each control module i 5 via the motherboard 21. This can avoid duplication of circuits for input and output.
- the communication between the modules 13, 15, 17, and 19 in the collective unit 1 is communication via the motherboard 21 in the housing 23, so the communication speed is reduced. Even if it is increased, the generation of radiation noise is small, and it is not easily affected by extraneous noise. Therefore, high-speed communication becomes possible.
- control modules 15 even if a plurality of control modules 15 are provided in one collective unit 1, only one power supply module 1I is required, thus avoiding duplication of power supply circuits conventionally provided in each EC IJ. be able to.
- the protection circuit 32 such as an anti-surge circuit peculiar to in-vehicle control equipment is centralized by the power supply module. Since it can be mounted on a module, there is no need to prepare a protection circuit for each module, and the circuit can be integrated.
- reference numeral 30 denotes a fuse
- 31 denotes a vehicle-mounted battery
- 33 denotes a power supply circuit.
- the learning result and the like regarding the control in each control module 15 can be collectively stored in the common module 17. Therefore, even if a so-called dark current is not supplied to each control module 15, the learning result can be held by supplying it only to the common module 17, and the power consumption can be reduced.
- each module 11, 13, 15, 17, 19 is divided by function. For example, it can be easily added or deleted according to the needs of functions, corresponding to each vehicle model.
- the GND potential ground potential
- the engine power and the distance between the engine 35 and the trunk are quite different, so the GND potential at the engine 35 and the trunk are different.
- the GND potential at is different.
- the sensors 34 used in each control device are mounted all over the vehicle (for example, near the wheel 36), and the GND potential that is the reference of those sensors 34 is the sensor 3 4 Depends on mounting position
- each control device when inputting a signal from a sensor 34 with a different GND potential or another control device that is far away from its own mounting position, each control device must be connected to the sensor 34 (or the control device). Along with the signal line, it is necessary to take measures such as inputting the sensor 34 (or the control device) with a pair of GND potentials of the sensor 34, so that some extra information is not transmitted. ⁇ ⁇ ⁇ There is a problem that the harness must be passed through the vehicle.
- the vehicle control devices can be concentrated on the collective unit, and the GND potential of each control module can be shared, so that as shown in FIG.
- the wire harness for the GND potential from each sensor 34 is eliminated, and only the signal line for transmitting information is configured. be able to.
- communication between the control modules is performed via the motherboard, communication can be performed without requiring a wire harness.
- a set of distributed and in-vehicle control modules is described.
- the unit will be described.
- the ECUs which had the same configuration as the unit 1 of the first embodiment, were installed on two units 1a and 1b, which were previously scattered throughout the vehicle. Are distributed and installed.
- the communication modules 19 of the first and second aggregation units 1a and 1b are connected to each other by an optical fiber 30 as a high-speed communication means.
- an example of the configuration of the communication module 19 will be described with reference to FIG.
- the communication module 19 includes a well-known CP C40, a communication IC 1, a dry / receiver circuit 43, and an interface circuit 45.
- the information input to the driver / receiver circuit 43 via the optical fiber 30 includes, for example, the SAE (Society of Automotive Engineers) ⁇ DJI 850 or It is configured to input to a receiving IC 41 known as an IC of a vehicle LAN (Local Area Network) such as a CAN (Control Area Network).
- SAE Society of Automotive Engineers
- ⁇ DJI 850 or It is configured to input to a receiving IC 41 known as an IC of a vehicle LAN (Local Area Network) such as a CAN (Control Area Network).
- the information input from the communication IC 41 to the CPU 40 can be output to the mother board 21 via the interface circuit 45.
- the CPU 40 will use the modules 13 and 15 that need the input information in the first set unit 1a. Judge r 17 and transmit it to the corresponding module 13, 15 or 17 via the motherboard 21. Alternatively, the configuration is such that the CPU 40 uniformly transmits the data to the modules 13, 15, and 17, and the modules 13, 15, and 17 take in the information when necessary. May be.
- the information required by the second unit 1b When the information required by the second unit 1b is transmitted from the first unit 1a, the information can be transmitted in the opposite direction using the same route. . Thus, the first and second set units Information can be exchanged between la and 1b.
- the first assembly unit 1a is arranged at the front of the vehicle, and the second assembly unit lb is arranged at the rear of the vehicle. Then, the function of the ABS is divided, and the sensor signal for the front wheels, the drive signal for the actuator, the brake signal, etc. are input to the first unit 1a, and the signals for the rear wheels are input to the second unit 1a. Wire to input to unit 1b.
- control operation function related to ABS is in the control module 15 in the second set unit 1b.
- the data on the front wheels input from the first unit 1a via the optical fiber 30 and the data from the sensor directly connected to the second unit 1b are used.
- the control module 15 in the second unit 1b performs the calculation.
- control information on the front and rear wheels is transmitted on the same route.
- each collective unit 1a , 1b are smaller than when they are combined into one. Therefore, even if it is too large to place it in one unit and it is difficult to place it in a single unit, it can be placed in the optimal place according to the placement space in the vehicle.
- control functions such as the function of controlling the engine mounted on the front of the vehicle and the ABS function for the front wheels described earlier, such that wiring is shorter when mounted on the front of the vehicle.
- control functions such as the function of controlling the engine mounted on the front of the vehicle and the ABS function for the front wheels described earlier, such that wiring is shorter when mounted on the front of the vehicle.
- a control function such that the wiring is shorter when mounted at the rear of the vehicle is mounted on the second unit 1b and arranged at the rear of the vehicle.
- the length of the harness can be shortened compared to the case where connection is made from one place to each sensor work unit, etc. Space and wiring weight can be reduced.
- the fuel-safety mechanism of the on-vehicle control module assembly unit will be described.
- the control functions are concentrated as in the above-described embodiment, the heat generated from the power supply module 11 or the heat generated from the drive circuit 13a and the like easily concentrates.
- the fan 50 circulates air inside and outside the enclosure 23 to radiate heat.However, the fan 50 does not operate due to a failure, or the fan 50 is not operating. Even so, the temperature may rise abnormally and cause an abnormality in each control module 15, making normal control impossible.
- the action fail safe control processing will be described based on the flowchart of FIG. This processing is executed in the power supply module 11 and the control module 15 in this embodiment.
- the power supply module 11 receives temperature data from the temperature sensor 25 (step S100), and detects the temperature inside the housing 23 (step S110). Then, it is determined whether or not the temperature is abnormally increased (step S120). The determination of the abnormal rise is performed, for example, by determining whether or not the rise temperature within a certain time exceeds a predetermined value.
- step S100 and step S110 are repeated, and if abnormal rise (step S120), an abnormal signal is sent to each control module. Send to 1-5. Then, each control module 15 sends a stop signal to the input / output module 13 so as to stop the power system drive circuits other than the important controls (fuel injection control, ignition control, brake control, etc.).
- the power supply module 11 receives the temperature data from the temperature sensor 25 (step S10), detects the temperature inside the body 23 (step S150), and determines a temperature change. (Step S160). If there is no temperature change, return to step S10, input the temperature data again, detect the temperature, and judge the temperature change.
- step S170 Stop the power supply (step S170).
- “low importance” refers to a control module 15 related to other than the above-described important control.
- the power supply module 11 inputs the temperature data again (step S180), detects the temperature in the housing 23 (step S190), and judges the temperature change (step S190). If the temperature does not decrease, return to step S180, input the temperature data again, detect the temperature, and observe the temperature change. If the temperature drops, the process returns to step S100 and the following processing is repeated.
- processing of the temperature sensor 25, the temperature detection circuit 27, and the steps S100, S110, S140, S150, S180, and S190 are performed.
- the drive circuit 13a with low importance is stopped. This suppresses the generation of heat in the actuator drive section of the input / output module 13 and suppresses the temperature rise in the housing 23. If the temperature continues to rise, the power supply itself to the less important control module 15 is stopped to further reduce heat generation and prevent the temperature from rising.
- the signal input to the input / output module can be distributed to each control module. Circuit duplication can be avoided.
- the GND potential often differs depending on the mounting location when mounted on a vehicle, two wires that make a pair of the GND potential of the sensor together with the signal line of the sensor are used.
- the vehicle control devices can be centralized in a collective unit and the GND potential of each control module can be shared, so that the sensor Wires for GND potential can be eliminated, and only signal lines for transmitting information can be used.
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/050,112 US5414416A (en) | 1901-09-03 | 1992-09-02 | Temperature dependent control module cluster unit for motor vehicle |
EP92918905A EP0554465B1 (en) | 1991-09-03 | 1992-09-02 | Control module assembly unit for mounting on vehicle |
DE69209638T DE69209638T2 (de) | 1991-09-03 | 1992-09-02 | Steuermoduleinheit zum einbau in ein fahrzeug |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP22308691 | 1991-09-03 | ||
JP3/223086 | 1991-09-03 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1993004896A1 true WO1993004896A1 (en) | 1993-03-18 |
Family
ID=16792624
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP1992/001122 WO1993004896A1 (en) | 1901-09-03 | 1992-09-02 | Control module assembly unit for mounting on vehicle |
Country Status (4)
Country | Link |
---|---|
US (1) | US5414416A (ja) |
EP (1) | EP0554465B1 (ja) |
DE (1) | DE69209638T2 (ja) |
WO (1) | WO1993004896A1 (ja) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105034974A (zh) * | 2015-04-13 | 2015-11-11 | 合肥协力仪表控制技术股份有限公司 | 一种新型电液变速箱零车速换向控制器 |
JP2017178307A (ja) * | 2016-03-24 | 2017-10-05 | 株式会社デンソー | 車両用制御システム |
JP2017178306A (ja) * | 2016-03-24 | 2017-10-05 | 株式会社デンソー | 車両用制御システム |
WO2020149110A1 (ja) * | 2019-01-16 | 2020-07-23 | 株式会社デンソー | 車両用制御ユニット |
Families Citing this family (20)
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FR2685565B1 (fr) * | 1991-12-18 | 1994-05-13 | Peugeot Automobiles | Boitier de servitude electrique notamment pour vehicule automobile. |
EP0714354B1 (de) * | 1993-08-26 | 1996-12-27 | Siemens Aktiengesellschaft | Steuerung für ein kraftfahrzeug |
JPH08296492A (ja) * | 1995-04-27 | 1996-11-12 | Jatco Corp | 自動車用電子制御装置 |
DE19613590C2 (de) * | 1996-04-04 | 2001-07-26 | Volkswagen Ag | Verfahren und Vorrichtung zur Steuerung einer Anzahl von untereinander kommunizierenden Aktuatoren |
JP3234861B2 (ja) * | 1996-06-13 | 2001-12-04 | 株式会社日立製作所 | 乗物の電源供給装置及び集約配線装置 |
DE19636267C2 (de) * | 1996-09-06 | 1998-08-13 | Hofmann Werkstatt Technik | Verfahren zum Stillsetzen eines auf einer Hauptwelle einer Auswuchtmaschine aufgespannten und von einem Elektromotor angetriebenen Rotors |
US5898801A (en) | 1998-01-29 | 1999-04-27 | Lockheed Martin Corporation | Optical transport system |
US6312061B1 (en) | 1998-11-25 | 2001-11-06 | Kelsey-Hayes Company | Structure for mounting a cluster of pressure sensors upon an electro-hydraulic brake system control unit |
DE10044934B4 (de) | 2000-09-12 | 2007-08-30 | Robert Bosch Gmbh | Vorrichtung zur Steuerung und/oder Regelung der Betriebsabläufe bei einem Kraftfahrzeug |
US20020101874A1 (en) * | 2000-11-21 | 2002-08-01 | Whittaker G. Allan | Physical layer transparent transport information encapsulation methods and systems |
US7085497B2 (en) * | 2002-04-03 | 2006-08-01 | Lockheed Martin Corporation | Vehicular communication system |
US20040076434A1 (en) * | 2002-09-27 | 2004-04-22 | Whittaker G. Allan | Optical distribution network for RF and other analog signals |
US6912339B2 (en) * | 2002-09-27 | 2005-06-28 | Lockheed Martin Corporation | Optical interface devices having balanced amplification |
US7283480B1 (en) | 2002-11-12 | 2007-10-16 | Lockheed Martin Corporation | Network system health monitoring using cantor set signals |
US7349629B1 (en) | 2002-11-26 | 2008-03-25 | Lockheed Martin Corporation | Methods and systems for creating a digital interconnect fabric |
US7570887B2 (en) * | 2003-03-31 | 2009-08-04 | Lockheed Martin Corporation | Optical network interface systems and devices |
US7424228B1 (en) | 2003-03-31 | 2008-09-09 | Lockheed Martin Corporation | High dynamic range radio frequency to optical link |
US7440699B1 (en) | 2004-06-28 | 2008-10-21 | Lockheed Martin Corporation | Systems, devices and methods for transmitting and receiving signals on an optical network |
CN104750071B (zh) * | 2015-03-10 | 2017-09-29 | 中国铁路总公司 | 分布式且模块化的轨道车辆用电子系统 |
US10807545B2 (en) * | 2017-11-14 | 2020-10-20 | Ford Global Technologies, Llc | Temperature-based embedded modem feature scaling |
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- 1992-09-02 DE DE69209638T patent/DE69209638T2/de not_active Expired - Fee Related
- 1992-09-02 WO PCT/JP1992/001122 patent/WO1993004896A1/ja active IP Right Grant
- 1992-09-02 US US08/050,112 patent/US5414416A/en not_active Expired - Fee Related
- 1992-09-02 EP EP92918905A patent/EP0554465B1/en not_active Expired - Lifetime
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JPS50153630U (ja) * | 1974-06-07 | 1975-12-20 | ||
JPS62198544A (ja) * | 1986-02-24 | 1987-09-02 | Hitachi Ltd | 集約配線システムの配線論理記述法 |
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Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105034974A (zh) * | 2015-04-13 | 2015-11-11 | 合肥协力仪表控制技术股份有限公司 | 一种新型电液变速箱零车速换向控制器 |
CN105034974B (zh) * | 2015-04-13 | 2019-05-24 | 合肥协力仪表控制技术股份有限公司 | 一种电液变速箱零车速换向控制器 |
JP2017178307A (ja) * | 2016-03-24 | 2017-10-05 | 株式会社デンソー | 車両用制御システム |
JP2017178306A (ja) * | 2016-03-24 | 2017-10-05 | 株式会社デンソー | 車両用制御システム |
WO2020149110A1 (ja) * | 2019-01-16 | 2020-07-23 | 株式会社デンソー | 車両用制御ユニット |
JP2020111278A (ja) * | 2019-01-16 | 2020-07-27 | 株式会社デンソー | 車両用制御ユニット |
Also Published As
Publication number | Publication date |
---|---|
EP0554465A4 (ja) | 1995-04-26 |
EP0554465A1 (en) | 1993-08-11 |
EP0554465B1 (en) | 1996-04-03 |
US5414416A (en) | 1995-05-09 |
DE69209638D1 (de) | 1996-05-09 |
DE69209638T2 (de) | 1996-12-05 |
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