EP2297720A1 - Verfahren zur automatischen steuerung und regelung eines fahrzeugs - Google Patents
Verfahren zur automatischen steuerung und regelung eines fahrzeugsInfo
- Publication number
- EP2297720A1 EP2297720A1 EP09710283A EP09710283A EP2297720A1 EP 2297720 A1 EP2297720 A1 EP 2297720A1 EP 09710283 A EP09710283 A EP 09710283A EP 09710283 A EP09710283 A EP 09710283A EP 2297720 A1 EP2297720 A1 EP 2297720A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- vehicle
- driver assistance
- assistance system
- driver
- detection
- 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.)
- Ceased
Links
- 238000000034 method Methods 0.000 title claims abstract description 15
- 238000001514 detection method Methods 0.000 claims abstract description 15
- 230000004913 activation Effects 0.000 claims abstract description 10
- 238000004891 communication Methods 0.000 claims description 5
- 238000010276 construction Methods 0.000 claims description 4
- 230000001276 controlling effect Effects 0.000 claims description 2
- 230000001105 regulatory effect Effects 0.000 claims description 2
- 238000010295 mobile communication Methods 0.000 claims 2
- 230000003044 adaptive effect Effects 0.000 description 3
- 238000011156 evaluation Methods 0.000 description 3
- 238000007598 dipping method Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 238000003491 array Methods 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000004297 night vision Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 230000011664 signaling Effects 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/16—Anti-collision systems
- G08G1/167—Driving aids for lane monitoring, lane changing, e.g. blind spot detection
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W30/00—Purposes of road vehicle drive control systems not related to the control of a particular sub-unit, e.g. of systems using conjoint control of vehicle sub-units
- B60W30/14—Adaptive cruise control
- B60W30/16—Control of distance between vehicles, e.g. keeping a distance to preceding vehicle
-
- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/09—Arrangements for giving variable traffic instructions
- G08G1/0962—Arrangements for giving variable traffic instructions having an indicator mounted inside the vehicle, e.g. giving voice messages
- G08G1/0967—Systems involving transmission of highway information, e.g. weather, speed limits
- G08G1/096708—Systems involving transmission of highway information, e.g. weather, speed limits where the received information might be used to generate an automatic action on the vehicle control
- G08G1/096725—Systems involving transmission of highway information, e.g. weather, speed limits where the received information might be used to generate an automatic action on the vehicle control where the received information generates an automatic action on the vehicle control
-
- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/09—Arrangements for giving variable traffic instructions
- G08G1/0962—Arrangements for giving variable traffic instructions having an indicator mounted inside the vehicle, e.g. giving voice messages
- G08G1/0967—Systems involving transmission of highway information, e.g. weather, speed limits
- G08G1/096733—Systems involving transmission of highway information, e.g. weather, speed limits where a selection of the information might take place
- G08G1/096741—Systems involving transmission of highway information, e.g. weather, speed limits where a selection of the information might take place where the source of the transmitted information selects which information to transmit to each vehicle
-
- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/09—Arrangements for giving variable traffic instructions
- G08G1/0962—Arrangements for giving variable traffic instructions having an indicator mounted inside the vehicle, e.g. giving voice messages
- G08G1/0967—Systems involving transmission of highway information, e.g. weather, speed limits
- G08G1/096766—Systems involving transmission of highway information, e.g. weather, speed limits where the system is characterised by the origin of the information transmission
- G08G1/096775—Systems involving transmission of highway information, e.g. weather, speed limits where the system is characterised by the origin of the information transmission where the origin of the information is a central station
-
- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/09—Arrangements for giving variable traffic instructions
- G08G1/0962—Arrangements for giving variable traffic instructions having an indicator mounted inside the vehicle, e.g. giving voice messages
- G08G1/0967—Systems involving transmission of highway information, e.g. weather, speed limits
- G08G1/096766—Systems involving transmission of highway information, e.g. weather, speed limits where the system is characterised by the origin of the information transmission
- G08G1/096783—Systems involving transmission of highway information, e.g. weather, speed limits where the system is characterised by the origin of the information transmission where the origin of the information is a roadside individual element
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W2556/00—Input parameters relating to data
- B60W2556/45—External transmission of data to or from the vehicle
- B60W2556/50—External transmission of data to or from the vehicle of positioning data, e.g. GPS [Global Positioning System] data
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W2556/00—Input parameters relating to data
- B60W2556/45—External transmission of data to or from the vehicle
- B60W2556/65—Data transmitted between vehicles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W30/00—Purposes of road vehicle drive control systems not related to the control of a particular sub-unit, e.g. of systems using conjoint control of vehicle sub-units
- B60W30/10—Path keeping
- B60W30/12—Lane keeping
Definitions
- the invention relates to a method for increasing the traffic flow by means of automatic adoption of the longitudinal guidance by a driver assistance system according to the preamble of claim 1.
- LKS systems Lane Keeping Support
- Known LKS systems include a lane detection system such.
- B a video system with which the curvature of the lane and the relative position of the vehicle in the lane, the so-called filing and orientation, can be determined.
- a steering actuator such as a steering wheel.
- a servomotor artificial steering forces exerted on the steering of the vehicle. These steering forces are so strong that they can be haptically detected by the driver and inform the driver how he would have to operate the steering to keep the vehicle in its lane.
- the lane recognition system can be realized, for example, as a video system whose video signals are from a signal converter. processing software that provides the desired geometric data (storage, orientation, lane curvature).
- Other lane detection systems include, for example, a magnetic sensor that determines the vehicle position in conjunction with in-road magnets, or optionally, radar sensors.
- a reference steering angle is then calculated by means of a mathematical reference model (algorithm), which would have to be taken at the steering in order to keep the vehicle optimally in its lane.
- a deviation of the driver steering angle from the reference steering angle support torque is then applied to the steering with the aid of a steering actuator.
- the assist torque is calculated based on a given characteristic curve.
- Distance sensors are known which report to the driver an object located in front of or behind the vehicle. Such sensors could also be used laterally on the vehicle. However, such sensors would respond constantly, if objects, especially curbs, are located on the side of the vehicle, although when driving straight ahead there is no danger of rolling over them. If an indication or warning were issued to the driver in such an obstacle, he would lose his attention and additionally endanger the traffic.
- DE 101 25 966 A1 discloses a curve warning system for motor vehicles, in particular for motor vehicles of great length.
- a sensor device detects the steering angle of the front axle of the motor vehicle and - with several steerable axles - and their steering angle.
- a recognition device knows obstacles in the lateral environment of the motor vehicle. If the detection device detects an obstacle, calculates a calculation means based on the steering angle and the vehicle speed of the vehicle ahead of whether a collision with the obstacle threatens, and generates a warning signal for the driver in case of collision.
- a method for warning the driver of a vehicle in front of a vehicle driving on the instantaneous track is known.
- the traffic environment is monitored in front of the vehicle by means of a radar device for the presence of a preceding vehicle and the distance of the own vehicle to a detected vehicle ahead, and determines its relative speed.
- a safety distance between the two vehicles is calculated, which is then compared with the measured distance. If the measured distance is less than the safety margin, a warning signal is generated and the risk of collision is displayed on an optical display panel.
- the surroundings detection is also extended to the respective rear space of adjacent lanes, so that even in the run-up to a planned lane change the expected accident risk can be determined.
- From DE 195 07 957 Cl discloses a vehicle that is equipped with a system for sleep alarm.
- the vehicle has a side-mounted optical scanning device for non-contact detection of lane markers. on the lane of the vehicle to the side limit.
- the sensor data provided by the scanning device are supplied to an evaluation unit for determining a distance present between the vehicle and the detected lane markings.
- the evaluation unit determines the vehicle lateral velocity relative to the detected lane markings, wherein a fall alert in the form of an acoustic signal is triggered when, due to the present distance and the vehicle lateral velocity, it appears that a departure from the traffic lane is imminent.
- driver assistance systems are known, such as a Göholassistent, as well as the automatic adoption of a speed limit. If a driver assistance system such as ACC is activated, the driver can increase the current speed by pressing the accelerator pedal without switching off the ACC function. However, the brake pedal leads to a shutdown of the ACC, as well as a manual shutdown. A possibility to be in control of the vehicle in free situations and to be automatically guided by the ACC as soon as the driving possibilities are limited (and thus also less fun), is currently not available for the driver.
- the object of the invention is to provide a vehicle longitudinal control in the manner that allows a safe and economical lead a vehicle with a driver assistance.
- Driver assistance systems are implemented as electronic ancillary devices in vehicles to assist the driver in certain driving situations. Here are often safety aspects, but especially the increase in ride comfort in the foreground. These systems partly autonomously or autonomously intervene in drive, control (eg gas, brake) or signaling devices of the vehicle or warn the driver shortly before or during critical situations by means of suitable man-machine interfaces.
- control eg gas, brake
- signaling devices of the vehicle or warn the driver shortly before or during critical situations by means of suitable man-machine interfaces.
- driver assistance systems are for example parking aid (sensor arrays for obstacle and distance detection), Brake Assist (BAS), Cruise Control, Adaptive Cruise Control or Adaptive Cruise Control (ACC), distance warning, turn assistant, congestion assistant, Lane change assistance, lane departure assistance / lane departure assistance (lane departure warning), lane keeping support), lane change assistance, lane change support, intelligent speed adaptation (ISA), adaptive cornering light, Tire pressure monitoring system, driver status recognition, traffic sign recognition, platooning, automatic emergency braking (ANB), headlight dipping and dipping lights, night vision system.
- a driver assistance system such as the ACC automatically takes over the longitudinal guidance of the vehicle. If this situation is over, the driver gets back the control that existed before the ACC was activated.
- Special situations can be the passing of speed limit areas in traffic or intersections and traffic lights. The list should not be taken as a limitation. A special situation is to be understood as meaning all possible events which cause a change in the vehicle speed.
- the key point of the invention is thus the automatic takeover of the longitudinal guidance by driver assistance system, such as an ACC in special situations, the return of the longitudinal guidance to the driver after the end of the special situation and the driver an intervention option, whether the ACC should take over in a particular situations , receives.
- a particular situation can occur, for example, in the case of speed reductions of road traffic, if road signs on or on a road point to this or structural conditions require such a speed reduction.
- Such special situations can occur on all categories of roads, thus on dirt roads, country roads and highways as well as highways.
- the evaluated for detection road course can be done in urban areas as well as overland.
- the detection of a particular situation is based on an analysis of the safety systems installed in the vehicle.
- Safety systems can be described as Electronic Break System (EBS), Engine Management System (EMS), Antilock Braking System (ABS), Traction Control (ASR), Electronic Stability Program (ESP), Electronic Differential Lock (EDS), Traction Control System (TCS), Electronic brake force distribution (EBV) and / or engine drag torque control (MSR) are executed.
- EBS Electronic Break System
- EMS Engine Management System
- ABS Antilock Braking System
- ASR Traction Control
- ESP Electronic Stability Program
- EDS Electronic Differential Lock
- TCS Traction Control System
- EVS Electronic brake force distribution
- MSR engine drag torque control
- the detection checks, for example, the function of the safety systems and accesses an alternative safety system in the event of a non-operational safety system, which is to be actuated as part of triggering the driver assistance function.
- control and regulation of the traffic flow by means of automatic takeover of the longitudinal guidance by a driver assistance system takes place in that after recognition and the occurrence of a particular situation tion, a driver assistance system automatically takes over the longitudinal guidance and / or lateral guidance of the vehicle, wherein at the end of the special situation, the driver regains control of the vehicle, which existed before the activation of the driver assistance system.
- a further advantageous embodiment is characterized in that the particular situations are determined from digital map information and / or dynamic information and / or environment sensors and / or car-to-X communication and / or mobile radio communication connection, wherein the mobile radio communication connection by means of 2G and / or 2.5 G and / or 3 G and / or 4 G mobile networks.
- the recognition of the special situation and the activation of the driver assistance system is carried out by a traffic light phase assistant, and / or by an overtaking assistant.
- Another particularly advantageous embodiment is characterized by a recognition of the particular situation and activation of the driver assistance system by a construction site assistant.
- the method for controlling and regulating the traffic flow by means of automatic transfer of the longitudinal guidance by a driver assistance system is characterized in that after detection and entry In a special situation, a driver assistance system automatically takes over the longitudinal guidance of the vehicle, whereby at the end of the situation the driver regains control of the vehicle which existed before the activation of the driver assistance system.
- the recommended speed is activated by a traffic light phase assistant to activate the ACC, which adjusts to the recommended speed. Once the traffic light has passed and crossed, the ACC is deactivated again.
- an overtaking assistant signals that overtaking is not possible for a certain time.
- the driver assistance system such as ACC takes over the longitudinal guidance with e.g. the currently valid speed limit or top speed and hands back to the driver as soon as overtaking is possible again.
- a further embodiment of the invention is characterized in that when the vehicle enters a zone having a speed limit deviating from the road type, e.g. Due to poor road surface on a highway or construction sites, the driver assistance system takes over the longitudinal guidance for this route, or section or driving range.
- special situations are detected, for example, from digital map information, dynamic information, environment sensors, car-to-X communication, etc.
- the driver can set whether the automatic transfer is possible, possibly even for each function individually.
- cruise control or extensions of the ACC can also be used.
- Example here would be the activation of a tracking in a construction site.
- the signals for the yaw rate difference or the steering angle signals present in an ESP control device are evaluated together with the imaging distance signals eg of the radar scanner and, when exceeding or falling below certain preset target values, by the additional evaluation of the distance signals obtained from the image recognition and the point of interest (POI) determined therefrom is checked and made plausible between the desired lane and the actual lane of the vehicle, which then make it possible to detect the beginning of a special situation.
- the imaging distance signals eg of the radar scanner and, when exceeding or falling below certain preset target values, by the additional evaluation of the distance signals obtained from the image recognition and the point of interest (POI) determined therefrom is checked and made plausible between the desired lane and the actual lane of the vehicle, which then make it possible to detect the beginning of a special situation.
- POI point of interest
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Atmospheric Sciences (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Traffic Control Systems (AREA)
- Control Of Driving Devices And Active Controlling Of Vehicle (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102008008698 | 2008-02-11 | ||
| DE102009008403A DE102009008403A1 (de) | 2008-02-11 | 2009-02-11 | Verfahren zur Steuerung und Regelung des Verkehrsflusses |
| PCT/EP2009/051584 WO2009101114A1 (de) | 2008-02-11 | 2009-02-11 | Verfahren zur automatischen steuerung und regelung eines fahrzeugs |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP2297720A1 true EP2297720A1 (de) | 2011-03-23 |
Family
ID=40847548
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP09710283A Ceased EP2297720A1 (de) | 2008-02-11 | 2009-02-11 | Verfahren zur automatischen steuerung und regelung eines fahrzeugs |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US8583341B2 (de) |
| EP (1) | EP2297720A1 (de) |
| DE (1) | DE102009008403A1 (de) |
| WO (1) | WO2009101114A1 (de) |
Families Citing this family (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5077402B2 (ja) | 2010-08-17 | 2012-11-21 | トヨタ自動車株式会社 | 交通制御システム |
| DE102011009483A1 (de) | 2011-01-26 | 2012-07-26 | Audi Ag | Verfahren zum Betrieb eines längsführenden Fahrerassistenzsystems eines Kraftfahrzeugs und Kraftfahrzeug |
| DE102011102426A1 (de) | 2011-05-25 | 2012-11-29 | Audi Ag | Verfahren zum Betrieb eines längsführenden Fahrerassistenzsystems eines Kraftfahrzeugs und Kraftfahrzeug |
| KR101338062B1 (ko) * | 2011-11-15 | 2014-01-06 | 기아자동차주식회사 | 차량의 프리크래쉬 작동장치 및 작동방법 |
| US8818670B2 (en) * | 2012-07-03 | 2014-08-26 | International Business Machines Corporation | Wear leveling for road life optimization |
| DE112012006826T5 (de) * | 2012-12-28 | 2015-05-21 | Toyota Jidosha Kabushiki Kaisha | Fahrzeugsteuerungsgerät |
| DE102013219888A1 (de) * | 2013-10-01 | 2015-04-02 | Scania Cv Ab | Vorrichtung zur Darstellung einer Information über eine bevorstehende Übernahme einer manuellen Steuerung eines Fahrzeugs |
| WO2016177661A1 (de) * | 2015-05-05 | 2016-11-10 | Continental Teves Ag & Co. Ohg | Verbindung von steuergeräten und der v2x einheit über wlan oder bluetooth, v2x einheit mit update speicher |
| EP3279830B1 (de) * | 2016-08-02 | 2020-10-28 | Veoneer Sweden AB | Sichtsystem und -verfahren für ein kraftfahrzeug |
| JP6597590B2 (ja) * | 2016-12-21 | 2019-10-30 | トヨタ自動車株式会社 | 運転支援装置 |
| US10757485B2 (en) | 2017-08-25 | 2020-08-25 | Honda Motor Co., Ltd. | System and method for synchronized vehicle sensor data acquisition processing using vehicular communication |
| WO2019125108A1 (es) * | 2017-12-19 | 2019-06-27 | Kitazawa Molina Elvia Isabel | Sistema de mejora de modo de conducción crucero con inclusión de rutas con trayectos curvos basado en ajustes de velocidad automáticos |
| DE102017223431B4 (de) * | 2017-12-20 | 2022-12-29 | Audi Ag | Verfahren zum Assistieren eines Fahrers eines Kraftfahrzeugs bei einem Überholvorgang; Kraftfahrzeug; sowie System |
| DE102018201896B4 (de) * | 2018-02-07 | 2022-07-07 | Ford Global Technologies, Llc | Ermitteln des Fahrens eines Fahrzeugs auf einer Auffahrt |
| US11181929B2 (en) | 2018-07-31 | 2021-11-23 | Honda Motor Co., Ltd. | System and method for shared autonomy through cooperative sensing |
| US11163317B2 (en) | 2018-07-31 | 2021-11-02 | Honda Motor Co., Ltd. | System and method for shared autonomy through cooperative sensing |
| US11097730B2 (en) * | 2018-12-05 | 2021-08-24 | Volkswagen Aktiengesellschaft | Implicit activation and control of driver assistance systems |
| CN110979324B (zh) * | 2019-12-20 | 2021-02-05 | 武汉乐庭软件技术有限公司 | 一种智能驾驶中安全舒适高效的acc跟车速度规划方法 |
| KR102257403B1 (ko) * | 2020-01-06 | 2021-05-27 | 주식회사 에스앤피랩 | 개인정보 관리 장치, 개인정보 관리 시스템, 그 개인정보 관리 방법, 및 이를 기록한 컴퓨터 판독가능 기록매체 |
| EP4112411B1 (de) * | 2021-07-01 | 2024-03-27 | Zenseact AB | Schätzung der unfallintensität für fahrzeuge |
| DE102023129268A1 (de) * | 2023-10-24 | 2025-04-24 | Bayerische Motoren Werke Aktiengesellschaft | Vorrichtung und Verfahren zum Betreiben eines Fahrzeugs |
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| DE19821163A1 (de) | 1998-05-12 | 1999-11-18 | Volkswagen Ag | Fahrer-Assistenzsystem und Verfahren zu dessen Betrieb |
| US6233515B1 (en) * | 1998-12-07 | 2001-05-15 | Jaguar Car, Limited | Adaptive vehicle cruise control system and methodology |
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| DE10343683A1 (de) * | 2003-09-20 | 2005-04-21 | Daimler Chrysler Ag | Informationssystem für Kraftfahrzeuge |
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| JP2005231491A (ja) * | 2004-02-19 | 2005-09-02 | Honda Motor Co Ltd | 追従走行制御装置 |
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-
2009
- 2009-02-11 US US12/867,089 patent/US8583341B2/en active Active
- 2009-02-11 EP EP09710283A patent/EP2297720A1/de not_active Ceased
- 2009-02-11 DE DE102009008403A patent/DE102009008403A1/de active Pending
- 2009-02-11 WO PCT/EP2009/051584 patent/WO2009101114A1/de not_active Ceased
Non-Patent Citations (1)
| Title |
|---|
| See references of WO2009101114A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| US8583341B2 (en) | 2013-11-12 |
| WO2009101114A1 (de) | 2009-08-20 |
| DE102009008403A1 (de) | 2009-08-13 |
| US20110022247A1 (en) | 2011-01-27 |
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