DE69003901D1 - Strassenoberflächenabtastsystem für ein Fahrzeug. - Google Patents
Strassenoberflächenabtastsystem für ein Fahrzeug.Info
- Publication number
- DE69003901D1 DE69003901D1 DE90308510T DE69003901T DE69003901D1 DE 69003901 D1 DE69003901 D1 DE 69003901D1 DE 90308510 T DE90308510 T DE 90308510T DE 69003901 T DE69003901 T DE 69003901T DE 69003901 D1 DE69003901 D1 DE 69003901D1
- Authority
- DE
- Germany
- Prior art keywords
- vehicle
- road surface
- scanning system
- surface scanning
- road
- 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 - Fee Related
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/88—Radar or analogous systems specially adapted for specific applications
- G01S13/93—Radar or analogous systems specially adapted for specific applications for anti-collision purposes
- G01S13/931—Radar or analogous systems specially adapted for specific applications for anti-collision purposes of land vehicles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G17/00—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load
- B60G17/015—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load the regulating means comprising electric or electronic elements
- B60G17/019—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load the regulating means comprising electric or electronic elements characterised by the type of sensor or the arrangement thereof
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
- G01S13/50—Systems of measurement based on relative movement of target
- G01S13/58—Velocity or trajectory determination systems; Sense-of-movement determination systems
- G01S13/60—Velocity or trajectory determination systems; Sense-of-movement determination systems wherein the transmitter and receiver are mounted on the moving object, e.g. for determining ground speed, drift angle, ground track
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/88—Radar or analogous systems specially adapted for specific applications
- G01S13/93—Radar or analogous systems specially adapted for specific applications for anti-collision purposes
- G01S13/933—Radar or analogous systems specially adapted for specific applications for anti-collision purposes of aircraft or spacecraft
- G01S13/935—Radar or analogous systems specially adapted for specific applications for anti-collision purposes of aircraft or spacecraft for terrain-avoidance
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2400/00—Indexing codes relating to detected, measured or calculated conditions or factors
- B60G2400/80—Exterior conditions
- B60G2400/82—Ground surface
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2401/00—Indexing codes relating to the type of sensors based on the principle of their operation
- B60G2401/17—Magnetic/Electromagnetic
- B60G2401/174—Radar
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2500/00—Indexing codes relating to the regulated action or device
- B60G2500/10—Damping action or damper
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2500/00—Indexing codes relating to the regulated action or device
- B60G2500/30—Height or ground clearance
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2500/00—Indexing codes relating to the regulated action or device
- B60G2500/40—Steering
- B60G2500/42—Sensibility
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2600/00—Indexing codes relating to particular elements, systems or processes used on suspension systems or suspension control systems
- B60G2600/14—Differentiating means, i.e. differential control
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2600/00—Indexing codes relating to particular elements, systems or processes used on suspension systems or suspension control systems
- B60G2600/60—Signal noise suppression; Electronic filtering means
- B60G2600/604—Signal noise suppression; Electronic filtering means low pass
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2800/00—Indexing codes relating to the type of movement or to the condition of the vehicle and to the end result to be achieved by the control action
- B60G2800/24—Steering, cornering
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/88—Radar or analogous systems specially adapted for specific applications
- G01S13/93—Radar or analogous systems specially adapted for specific applications for anti-collision purposes
- G01S13/931—Radar or analogous systems specially adapted for specific applications for anti-collision purposes of land vehicles
- G01S2013/9318—Controlling the steering
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/88—Radar or analogous systems specially adapted for specific applications
- G01S13/93—Radar or analogous systems specially adapted for specific applications for anti-collision purposes
- G01S13/931—Radar or analogous systems specially adapted for specific applications for anti-collision purposes of land vehicles
- G01S2013/93185—Controlling the brakes
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/88—Radar or analogous systems specially adapted for specific applications
- G01S13/93—Radar or analogous systems specially adapted for specific applications for anti-collision purposes
- G01S13/931—Radar or analogous systems specially adapted for specific applications for anti-collision purposes of land vehicles
- G01S2013/932—Radar or analogous systems specially adapted for specific applications for anti-collision purposes of land vehicles using own vehicle data, e.g. ground speed, steering wheel direction
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/88—Radar or analogous systems specially adapted for specific applications
- G01S13/93—Radar or analogous systems specially adapted for specific applications for anti-collision purposes
- G01S13/931—Radar or analogous systems specially adapted for specific applications for anti-collision purposes of land vehicles
- G01S2013/9322—Radar or analogous systems specially adapted for specific applications for anti-collision purposes of land vehicles using additional data, e.g. driver condition, road state or weather data
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/88—Radar or analogous systems specially adapted for specific applications
- G01S13/93—Radar or analogous systems specially adapted for specific applications for anti-collision purposes
- G01S13/931—Radar or analogous systems specially adapted for specific applications for anti-collision purposes of land vehicles
- G01S2013/9323—Alternative operation using light waves
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/88—Radar or analogous systems specially adapted for specific applications
- G01S13/93—Radar or analogous systems specially adapted for specific applications for anti-collision purposes
- G01S13/931—Radar or analogous systems specially adapted for specific applications for anti-collision purposes of land vehicles
- G01S2013/9327—Sensor installation details
- G01S2013/93271—Sensor installation details in the front of the vehicles
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/88—Radar or analogous systems specially adapted for specific applications
- G01S13/93—Radar or analogous systems specially adapted for specific applications for anti-collision purposes
- G01S13/931—Radar or analogous systems specially adapted for specific applications for anti-collision purposes of land vehicles
- G01S2013/9327—Sensor installation details
- G01S2013/93275—Sensor installation details in the bumper area
Landscapes
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Aviation & Aerospace Engineering (AREA)
- Mechanical Engineering (AREA)
- Vehicle Body Suspensions (AREA)
- Radar Systems Or Details Thereof (AREA)
- Length Measuring Devices By Optical Means (AREA)
- Length-Measuring Devices Using Wave Or Particle Radiation (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB898918306A GB8918306D0 (en) | 1989-08-10 | 1989-08-10 | Road surface sensing system for a vehicle |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69003901D1 true DE69003901D1 (de) | 1993-11-18 |
DE69003901T2 DE69003901T2 (de) | 1994-02-10 |
Family
ID=10661459
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE90308510T Expired - Fee Related DE69003901T2 (de) | 1989-08-10 | 1990-08-02 | Strassenoberflächenabtastsystem für ein Fahrzeug. |
Country Status (6)
Country | Link |
---|---|
US (1) | US5061932A (de) |
EP (1) | EP0412719B1 (de) |
JP (1) | JPH0386619A (de) |
DE (1) | DE69003901T2 (de) |
ES (1) | ES2047268T3 (de) |
GB (1) | GB8918306D0 (de) |
Families Citing this family (51)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IL100175A (en) * | 1991-11-27 | 1994-11-11 | State Of Isreal Ministry Of De | Vehicle collision warning device |
JP2679533B2 (ja) * | 1992-05-13 | 1997-11-19 | トヨタ自動車株式会社 | ドップラ式対地車速検出装置 |
FR2741957B1 (fr) * | 1995-12-05 | 1997-12-26 | Siemens Automotive Sa | Procede de mesure de la vitesse d'un vehicule par rapport au sol, au moyen d'un radar utilisant la reflexion d'ondes electromagnetiques sur la chaussee |
US5696515A (en) * | 1996-01-31 | 1997-12-09 | Ford Motor Company | System and method for determining absolute vehicle height and ground speed |
US5900828A (en) * | 1997-04-14 | 1999-05-04 | Chrysler Corporation | Modemless transmitter for test vehicle tracking system |
DE19715999A1 (de) * | 1997-04-17 | 1998-10-22 | Daimler Benz Ag | Radar-Anordnung zur Straßenzustandserkennung in einem Kraftfahrzeug |
DE19730414A1 (de) * | 1997-07-16 | 1999-01-21 | Opel Adam Ag | Verfahren und Vorrichtung zur vorausschauenden Fahrbahnbeurteilung |
CA2255233A1 (en) * | 1997-12-05 | 1999-06-05 | Grove U.S. Llc | Smart tele cylinder |
US6400308B1 (en) | 1998-02-20 | 2002-06-04 | Amerigon Inc. | High performance vehicle radar system |
WO1999042856A2 (en) * | 1998-02-19 | 1999-08-26 | Amerigon Inc. | High performance vehicle radar system |
US6380883B1 (en) | 1998-02-23 | 2002-04-30 | Amerigon | High performance vehicle radar system |
US6069581A (en) * | 1998-02-20 | 2000-05-30 | Amerigon | High performance vehicle radar system |
AU3373199A (en) * | 1998-04-02 | 1999-10-25 | Westinghouse Air Brake Company | Method and apparatus for detecting harmonic rocking in railcars |
JP4046905B2 (ja) | 1999-08-27 | 2008-02-13 | 本田技研工業株式会社 | 車間距離計測装置 |
US6233510B1 (en) | 1999-10-15 | 2001-05-15 | Meritor Heavy Vehicle Technology, Llc | Method and system for predicting road profile |
US6480102B1 (en) | 2002-01-23 | 2002-11-12 | Ford Global Technologies, Inc. | Method and apparatus for activating a crash countermeasure in response to the road condition |
DE102005008403B4 (de) * | 2005-02-24 | 2008-08-21 | Knorr-Bremse Systeme für Nutzfahrzeuge GmbH | Sensoreinrichtung zur Messung des Einfederwegs und/oder der Einfedergeschwindigkeit von Achsen von Fahrzeugen |
US7240540B2 (en) * | 2005-10-31 | 2007-07-10 | Gm Global Technology Operations, Inc. | Rough road detection system |
DE102006039353A1 (de) * | 2006-08-22 | 2008-03-06 | Daimler Ag | Vorrichtung und Verfahren zur Beeinflussung der Federkraftcharakteristik eines aktiven Fahrwerks eines Kraftfahrzeugs |
US7909417B2 (en) * | 2006-12-01 | 2011-03-22 | Ford Global Technologies, Llc | Braking control system for vehicle |
US8285447B2 (en) * | 2007-03-20 | 2012-10-09 | Enpulz, L.L.C. | Look ahead vehicle suspension system |
US7872764B2 (en) * | 2007-10-16 | 2011-01-18 | Magna Electronics Inc. | Machine vision for predictive suspension |
US20130158799A1 (en) * | 2010-09-10 | 2013-06-20 | Toyota Jidosha Kabushiki Kaisha | Suspension apparatus |
EP2758260B1 (de) * | 2011-09-06 | 2019-07-10 | Jaguar Land Rover Limited | Aufhängungsregelungsvorrichtung |
US9533539B2 (en) * | 2011-10-20 | 2017-01-03 | GM Global Technology Operations LLC | Vehicle suspension system and method of using the same |
US9500747B2 (en) * | 2012-01-10 | 2016-11-22 | Mitsubishi Electric Corporation | Travel distance measurement device |
DE102012015492B4 (de) * | 2012-08-04 | 2016-05-12 | Audi Ag | Verfahren und Vorrichtung zum Betreiben eines Fahrwerks |
DE102013002071A1 (de) * | 2013-02-01 | 2014-08-07 | Valeo Schalter Und Sensoren Gmbh | Verfahren zur Hinderniserkennung im Fahrweg eines Fahrzeugs durch einen Ultraschallsensor |
DE102013018924A1 (de) | 2013-11-13 | 2015-05-13 | Audi Ag | Verfahren zum Kontrollieren eines Aktors |
DE102013018923B4 (de) | 2013-11-13 | 2017-05-11 | Audi Ag | Verfahren zum Kontrollieren eines Aktors |
GB2523092B (en) * | 2014-02-12 | 2017-11-01 | Jaguar Land Rover Ltd | A system for use in a vehicle |
DE102014008675B4 (de) * | 2014-06-13 | 2017-09-21 | Audi Ag | Verfahren zum Betreiben eines Radaufhängungssystems |
CN104590271A (zh) * | 2014-12-02 | 2015-05-06 | 浙江吉利汽车研究院有限公司 | 一种路面探测方法及系统 |
DE102015000425A1 (de) * | 2015-01-13 | 2016-07-14 | Audi Ag | Verfahren zum Betrieb eines Fahrerassistenzsystems eines Kraftfahrzeugs und Kraftfahrzeug |
US9989636B2 (en) * | 2015-03-26 | 2018-06-05 | Deere & Company | Multi-use detection system for work vehicle |
US10247816B1 (en) * | 2015-07-06 | 2019-04-02 | Apple Inc. | Apparatus and method to measure slip and velocity |
US10832426B2 (en) | 2015-09-24 | 2020-11-10 | Apple Inc. | Systems and methods for surface monitoring |
US11100673B2 (en) | 2015-09-24 | 2021-08-24 | Apple Inc. | Systems and methods for localization using surface imaging |
JP6347248B2 (ja) * | 2015-10-07 | 2018-06-27 | トヨタ自動車株式会社 | 車両用サスペンション制御装置 |
FR3044602A1 (fr) * | 2015-12-02 | 2017-06-09 | Claude Secchi | Suspension pour vehicule automobile assistee par radar et calculateur |
DE102016207435B4 (de) * | 2016-04-29 | 2021-08-12 | Ford Global Technologies, Llc | Fahrzeug sowie System und Verfahren zum Erzeugen von an einem Lenkrad eines Steer-by-Wire-Lenksystems angreifenden Rückmeldekräften |
GB2552706B (en) | 2016-08-04 | 2019-09-11 | Jaguar Land Rover Ltd | A system for use in a vehicle |
JP6809166B2 (ja) * | 2016-11-25 | 2021-01-06 | 日産自動車株式会社 | 路面判断方法および路面判断装置 |
DE102017201664A1 (de) * | 2017-02-02 | 2018-08-02 | Robert Bosch Gmbh | Verfahren zur Lokalisierung eines höher automatisierten Fahrzeugs in einer digitalen Karte |
CN106842341A (zh) * | 2017-02-16 | 2017-06-13 | 北京市道路工程质量监督站 | 沥青路面分层检测方法及装置 |
DE102017205513B4 (de) * | 2017-03-31 | 2019-08-29 | Zf Friedrichshafen Ag | Verfahren und Vorrichtung zum Einstellen einer Betriebsstrategie für ein Fahrzeug |
US10654570B2 (en) * | 2017-06-05 | 2020-05-19 | International Business Machines Corporation | Vehicular alert system |
IT201800008039A1 (it) * | 2018-08-10 | 2020-02-10 | Sistemi Sospensioni Spa | Riconoscimento di prestazioni degradate in un sistema di sospensione di un veicolo. |
US11378652B2 (en) * | 2019-09-03 | 2022-07-05 | GM Global Technology Operations LLC | Enhancement of vehicle radar system robustness based on elevation information |
DE102020212067A1 (de) | 2020-09-25 | 2022-03-31 | Siemens Mobility GmbH | Verfahren zum Ansteuern eines Stromabnehmers eines straßengeführten Kraftfahrzeuges, straßengeführtes Kraftfahrzeug und Datenbank |
DE102020212069A1 (de) | 2020-09-25 | 2022-03-31 | Volkswagen Aktiengesellschaft | Straßengeführtes Kraftfahrzeug mit mindestens einem Stromabnehmer für mindestens eine Oberleitung und Verfahren zum Ansteuern eines Stromabnehmers |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH484436A (de) * | 1968-11-25 | 1970-01-15 | Zellweger Uster Ag | Verfahren und Vorrichtung zum Ausscheiden von irreführenden Doppler-Signalen bei einer Doppler-Radar-Geschwindigkeitsmesseinrichtung |
US3617993A (en) * | 1969-09-10 | 1971-11-02 | Hoffmann La Roche | Cw doppler transceiver system |
GB1318701A (en) * | 1970-01-30 | 1973-05-31 | Rank Organisation Ltd | Methods of waveform analysis and apparatus therefor |
JPS5439156A (en) * | 1977-09-02 | 1979-03-26 | Nippon Soken | Distance measuring device loaded on car |
US4148027A (en) * | 1978-03-27 | 1979-04-03 | Rca Corporation | Surface roughness measuring apparatus |
JPS5619467A (en) * | 1979-07-27 | 1981-02-24 | Nissan Motor Co Ltd | Doppler radar |
CA1235773A (en) * | 1983-12-23 | 1988-04-26 | Shigeto Nakayama | Device for detecting road surface condition |
US4913482A (en) * | 1985-09-30 | 1990-04-03 | Mitsubishi Denki Kabushiki Kaisha | Seat suspension system for automotive vehicle or the like |
DE3738221A1 (de) * | 1987-11-11 | 1989-06-08 | Bayerische Motoren Werke Ag | Verfahren und einrichtung zum erkennen des zustandes einer strasse |
-
1989
- 1989-08-10 GB GB898918306A patent/GB8918306D0/en active Pending
-
1990
- 1990-08-02 EP EP90308510A patent/EP0412719B1/de not_active Expired - Lifetime
- 1990-08-02 DE DE90308510T patent/DE69003901T2/de not_active Expired - Fee Related
- 1990-08-02 ES ES90308510T patent/ES2047268T3/es not_active Expired - Lifetime
- 1990-08-06 US US07/562,923 patent/US5061932A/en not_active Expired - Lifetime
- 1990-08-10 JP JP2210575A patent/JPH0386619A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
EP0412719A1 (de) | 1991-02-13 |
DE69003901T2 (de) | 1994-02-10 |
GB8918306D0 (en) | 1989-09-20 |
EP0412719B1 (de) | 1993-10-13 |
JPH0386619A (ja) | 1991-04-11 |
US5061932A (en) | 1991-10-29 |
ES2047268T3 (es) | 1994-02-16 |
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