EP2252902A1 - Dispositif pour l'arrangement de capteurs d'environnement dans un véhicule - Google Patents

Dispositif pour l'arrangement de capteurs d'environnement dans un véhicule

Info

Publication number
EP2252902A1
EP2252902A1 EP08873249A EP08873249A EP2252902A1 EP 2252902 A1 EP2252902 A1 EP 2252902A1 EP 08873249 A EP08873249 A EP 08873249A EP 08873249 A EP08873249 A EP 08873249A EP 2252902 A1 EP2252902 A1 EP 2252902A1
Authority
EP
European Patent Office
Prior art keywords
vehicle
environment
sensors
housing
environmental
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.)
Withdrawn
Application number
EP08873249A
Other languages
German (de)
English (en)
Inventor
Karsten Breuer
Bijan Gerami-Manesch
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.)
ZF CV Systems Hannover GmbH
Original Assignee
Wabco GmbH
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
Application filed by Wabco GmbH filed Critical Wabco GmbH
Publication of EP2252902A1 publication Critical patent/EP2252902A1/fr
Withdrawn legal-status Critical Current

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
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/52—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00
    • G01S7/521—Constructional features
    • 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
    • G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
    • G01S15/88—Sonar systems specially adapted for specific applications
    • G01S15/93—Sonar systems specially adapted for specific applications for anti-collision purposes
    • G01S15/931—Sonar systems specially adapted for specific applications for anti-collision purposes of land 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
    • G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
    • G01S15/87—Combinations of sonar systems
    • 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
    • G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
    • G01S15/88—Sonar systems specially adapted for specific applications
    • G01S15/93—Sonar systems specially adapted for specific applications for anti-collision purposes
    • G01S15/931—Sonar systems specially adapted for specific applications for anti-collision purposes of land vehicles
    • G01S2015/937—Sonar systems specially adapted for specific applications for anti-collision purposes of land vehicles sensor installation details
    • G01S2015/939—Sonar systems specially adapted for specific applications for anti-collision purposes of land vehicles sensor installation details vertical stacking of sensors, e.g. to enable obstacle height determination

Definitions

  • the invention relates to a device for the arrangement of environment sensors in a vehicle, can be detected by the objects in the vehicle environment.
  • Such a device is known from DE19949409A1.
  • This device for object detection has at least two distance-resolving sensors mounted on a motor vehicle, the detection areas of which overlap at least partially, whereby relative positions of possible detected objects with respect to the sensors in the overlap area are determined according to the principle of triangulation, possible false objects arising from the object determination , are determined by dynamic object observations.
  • the disadvantage of this device is the fact that a plurality of sensors must be mounted in the vehicle body. For this purpose, a large number of receiving holes and a high cabling complexity of the individual sensors is necessary.
  • the present invention is therefore based on the object to provide a device for the arrangement of environmental sensors, which simplifies the arrangement of the sensors in the vehicle.
  • the object is solved by the features of claim 1.
  • the device according to the invention for arranging environmental sensors at least one first and one second environmental sensor are arranged in a common housing such that a first central axis of the detection Area of the first environmental sensor in a different direction than a second central axis of the detection range of the second environmental sensor.
  • the advantage of the invention is that the assembly and cabling effort in the vehicle is significantly reduced, since only a common housing has to be mounted and wired.
  • a further advantage is that there is substantially no overlapping of the detection areas of the environmental sensors in the common housing, since the central axes of the detection areas of the environmental sensors each point in a different direction.
  • the environmental sensors can be arranged in the common housing to each other at a predetermined angle.
  • a third center axis of the detection range of a third environment sensor points in a different direction than the first and the second center axis.
  • the advantage of the further development is that a third environment sensor can be arranged in the common housing and the detection area of the third environment sensor supplements the detection areas of the first and second surroundings sensors. Overall, the device can thus cover a larger total detection range, which is in the range of 180 °. The assembly and wiring costs can be further reduced by the third sensor in the common housing.
  • the detection range of the environmental sensors in a plane formed by the central axes in each case between two adjacent central axes is merge gapless.
  • the advantage of the development is the fact that the detection of objects within the detection area can be done completely and thus even smaller objects can be detected.
  • the first central axis to the second central axis has a first angle and / or the first central axis to the third central axis has a second angle, wherein the first and / or the second angle in a range of 15 ° to 75 ° is.
  • the advantage of the development can be seen in the fact that the angular position of the central axes of the detection regions of the environmental sensors can be aligned with each other depending on the detection range of the respective environmental sensor, so that a complete total detection range of the device results.
  • the first and / or second angle is in a range of 55 ° to 65 °.
  • the first center axis of the first environmental sensor is arranged substantially perpendicular to the vehicle body.
  • the first central axis of the first environmental sensor has a third angle to a horizontal plane.
  • the advantage of this development is the fact that an inclination of at least the first environmental sensor to the horizontal is possible to small objects in the vicinity particularly well to recognize safely. This is particularly necessary if the device is arranged at a distance of more than 60 cm from the road surface.
  • the first central axis can be inclined relative to the horizontal plane such that an approximately 60 cm high object can be detected at a distance of less than 1 m to the vehicle body.
  • Another advantage of the development is that with an angular position of the first central axis to the horizontal, the passage height or objects in the roof area of the vehicle can be detected.
  • the third angle is in a range of 5 ° to 20 °.
  • the environment sensors are arranged interchangeably in the housing.
  • the advantage of this development is that the environmental sensors can be replaced with a defect or the like. With simple means without damaging or destroying the device or the wiring of the environment sensors.
  • a movable and sealed plug housing for electrically contacting the environment sensors in the housing of the device is arranged.
  • the individual connector housings are at least as far movable that the environment sensors before or after installation in the housing of the device with the respective connector housing can be easily, safely and waterproof contacted.
  • one of the environment sensors is arranged in such a rotated manner in the housing that the opening for an electrical plug connection of the rotated environment sensor in the opposite direction of the opening for the connector of the other environment sensor or other environment sensors shows.
  • the electrical connection of the individual environmental sensors can be brought together within the housing and can be contacted on a common plug connection of the housing.
  • the advantage of this development is the fact that the cabling and assembly costs of the device for the arrangement of environmental sensors in a vehicle is substantially reduced, since only a single housing needs to be installed and a single connector needs to be contacted.
  • the mobility of the individual connector housings within the housing of the device is achieved in that the respective connector housings have at least one cable section required for movability.
  • Another advantage is that the cabling of the individual environment sensors inside the housing is protected against environmental influences and mechanical impairments.
  • the electrical connection of the environment sensors within the housing with a potting compound is pourable.
  • the advantage of this development is the fact that the contact of the environment sensors is protected by the common plug connection on the housing of the device to the cable ends of the individual and movable plug housings by the potting compound from environmental influences and corrosion of these is prevented.
  • an interior of the housing has a connection to the atmosphere. The advantage of this development can be seen in the fact that the interior of the housing of the device for the arrangement of environmental sensors can be made particularly cost-effective, since no seal and no respiratory membrane or the like. Necessary.
  • the environmental sensors are decoupled vibration technology of the housing.
  • the advantage of this development is the fact that the vibrations of the housing are at least attenuated or suppressed on the environment sensors. This ensures the perfect functionality of the environment sensors even under high vibration loads of the housing.
  • the vibration-technical decoupling is performed by at least one elastomeric element.
  • the advantage of this development is that the vibration control decoupling can be carried out with simple and inexpensive means.
  • Another advantage is the fact that the elastomeric element can also take over a sealing function between the housing and an environment sensor in order to protect the interior of the housing from environmental influences.
  • the housing has a substantially different resonance frequency as the emission frequency of the environment sensors.
  • the advantage of this development is the fact that the resonant frequency of the housing differs significantly from the resonant frequency of the environment sensor housing and the radiation frequency of the environment sensors and thus resonance phenomena can be avoided.
  • the housing has holders for at least one first, second and third environment sensor, wherein at least one holder in the housing can be assigned by a dummy and / or at least one opening in the housing can be closed by an blind plug for an environment sensor is.
  • the advantage of this development is the fact that the same housing can be used for different applications, which saves costs. Another advantage is that the vibration characteristics of the device do not change through the dummy.
  • An advantage is also that the interior of the housing is protected by the blind plug in the opening from environmental influences.
  • the housing can be connected by a latching, adhesive and / or screw connection with the vehicle.
  • the advantage of this development is the fact that the device can be mounted to the arrangement of environmental sensors with simple and inexpensive means on the vehicle. The assembly is particularly easy to perform at a locking connection.
  • Another advantage of the snap or screw connection is that the housing can be disassembled without damage, e.g. to exchange an environment sensor.
  • the vehicle environment facing surface of the housing has a Weiienform.
  • the advantage of this development is the fact that the housing can be made stiffer, in particular in the area of the waveform. There is thus the possibility to save material, which reduces costs.
  • Another advantage of the waveform is that the housing can be made particularly compact and the waveform is adaptable to the shape and arrangement of the environmental sensors.
  • the housing can be embodied in two parts, wherein preferably the housing lid of the housing has the waveform to simplify the manufacture of the housing parts and save costs.
  • the wave form in each case has at least one wave component which is aligned perpendicular to one of the first, second or third central axis of the environment sensors.
  • the advantage of this development is the fact that the detection range of the environment sensors is not influenced by the housing shape.
  • a further advantage is that the main detection area in the immediate vicinity of the central axis of each individual environmental sensor is easily recognizable and visible from the outside, since the respective central axis of the detection area of an environmental sensor is oriented perpendicular to a specific area of the waveform.
  • the first, second and / or third environment sensor is an ultrasonic sensor.
  • the advantage of this development is the fact that ultrasonic sensors are inexpensive, are particularly compact, are easy to contact and have a large coverage angle range.
  • a device for detecting an object in the environment of a vehicle has a device for the arrangement of environment sensors, wherein at least a first and a second environment sensor are arranged in a common housing such that a first center axis of the detection range of the first environment sensor in a direction other than the central axis of the detection range of the second environmental sensor.
  • a vehicle with a device for detecting an object in the environment of the vehicle has a device for the arrangement of environment sensors, wherein at least a first and a second environment sensor are arranged in a common housing such that a first center axis of the detection area the first environmental sensor in a different direction than the central axis of the detection range of the second environmental sensor.
  • the vehicle is a commercial vehicle.
  • the arrangement of individual Umfeid- sensors in commercial vehicles is due to the size of commercial vehicles, in particular the height and length, more expensive than passenger cars.
  • the advantage of this development is the fact that the arrangement of environmental sensors on a commercial vehicle by means of the device according to the invention for the arrangement of environmental sensors is particularly simple and inexpensive possible. The installation and cabling effort is considerably reduced, without the detection area to reduce the device for the arrangement of environmental sensors or the device for detecting an object in the environment of the commercial vehicle.
  • FIG. 1 shows a schematic representation of an apparatus for
  • the device (1) shows a device (1) for the arrangement of environment sensors (2a, 2b, 2c) in a schematic representation.
  • the device (1) consists of a housing (8) and a housing cover (26) and the environment sensors arranged therein (2a, 2b, 2c) and the electrical contacting of the environment sensors (2a, 2b, 2c) with a common connector (18) ,
  • a first environment sensor (2a), a second environment sensor (2b) and a third environment sensor (2c) are arranged in the interior of the housing (22).
  • the common plug-in connection (18) is connected to a common conductor track (20), shown in FIG.
  • a connecting line (54a, 54b, 54c) branches off from the common printed conductor (20) to each environmental sensor (2a, 2b, 2c).
  • the first environment sensor (2a) is connected via a first connector (16a) and a first connection line (54a) to the common conductor (20) and the common connector (18).
  • the third environment sensor (2c) is connected via a third connector (16c) and a third connecting line (54c) to the common conductor (20) and the common connector (18). In this case, both the first connector (16a) and the second connector (16c) in a common direction.
  • the second connector (16b) of the second environmental sensor (2b) points in the opposite direction of the first and third connector (16a, 16c).
  • the second connector (16b) is connected via a second connecting line (54b) with the common conductor (20) and the common connector (18) in connection.
  • the first environment sensor (2a) has a first center axis (10a) of the first detection area (12a).
  • the first central axis (10a) is arranged at a first angle ( ⁇ ) with respect to the second central axis (10b) of the second detection area (12b) of the second environmental sensor (2b).
  • the third environment sensor (2c) has a third central axis (10c) of the third detection area (12c), which is arranged at a second angle ( ⁇ ) with respect to the first central axis (10a) of the first environmental sensor (2a).
  • FIG. 1a shows the same device for arranging environmental sensors (1) as FIG. 1 and describes further details of this device (1).
  • a first environment sensor (2a), a second environment sensor (2b) and a third environment sensor (2c) are arranged in the common housing (8).
  • the housing (8) is closed by a wave-shaped housing cover (26).
  • the first environment sensor (2a) is vibration-decoupled from the housing cover (26) by a first elastomeric element (56a). Also between the second environment sensor (2b) and the housing cover (26) and between the third environment sensor (2c) and the housing cover (26) is in each case a second and third elastomeric element (56b, 56c) for damping and vibration decoupling of the environment sensors (2b , 2c) arranged opposite the housing (8) or the housing cover (26).
  • the waveform of the housing cover (26) has at least three vertical shaft portions (34a, 34b, 34c).
  • the first vertical shaft portion (34a) is aligned perpendicular to the first central axis (10a) of the first environmental sensor (2a).
  • the second vertical shaft portion (34b) is aligned perpendicular to the second central axis (10b) of the second environmental sensor (2b), the second central axis (10b) being disposed at a first angle ( ⁇ ) with the first central axis (10a).
  • the third vertical wave portion (34c) is arranged perpendicular to the third central axis (10c). In this case, the third central axis (10c) has a second angle ( ⁇ ) to the first central axis (10a).
  • FIG. 2 shows a schematic top view of a device for arranging environmental sensors (1) with a common housing (8) and a common plug connection (18) attached thereto.
  • a first environment sensor (2a), a second environment sensor (2b), a third environment sensor (2c) are arranged in the common housing (8) .
  • the plug opening of the first environment sensor (2a) and the third environment sensor (2c) point in a different direction than the plug opening of the second environmental sensor (2b).
  • the common connector (18) is connected via a common connecting line (58) with the common conductor track (20).
  • the common conductor track (20) is connected via a first connecting line (54a) and a first plug connection (16a) to the first surroundings sensor (2a).
  • the second environment sensor (2b) is connected via a second plug connection (16b) and a second connection line (54b) with the common conductor track (20) in connection.
  • the third environment sensor (2c) is connected via a third plug connection (16c) and a third connection line (54c) to the common conductor track (20). Since the interior (22) of the housing (8) is in communication with the atmosphere, the common conductor track (20) is completely surrounded by environmental protection from a potting compound (21).
  • the common conductor track (20) can alternatively be replaced by a common cable harness, which branches off from the common plug connection (18) to the individual connecting lines (54a, 54b, 54c) and the first, second and third plug connections (16a, 16b, 16c) ,
  • the interior space (22) communicates with the atmosphere via a first opening (24a), a second opening (24b) and / or a third opening (24c). But it is also possible to use a different opening for connecting the interior (22) with the atmosphere.
  • the first central axis (10a) of the first environmental sensor (2a) and the third central axis (10c) of the third environmental sensor (2c) are arranged on a common plane (14), around the first detection area (12a) and the third detection area (12c) without gaps to be able to capture.
  • the second or the third environment sensor (12b, 12c) can be replaced by a dummy. In this case, there is no contacting of the dummy with the common conductor track (20) or the common Plug connection (18).
  • the second or third opening (24b, 24c) in the housing (8) can be closed by a blanking plug, for example in the form of a second or third elastomeric element (54b, 54c).
  • FIG. 3 shows a vehicle (4) with two housings (8) with devices for arranging environmental sensors.
  • a first housing (8) is in the front area of the vehicle (4) and a second housing (8) is arranged on the right side of the vehicle (4).
  • the first housing (8) in the front region of the vehicle has three environmental sensors, wherein the first environmental sensor has a first center axis (10a) with a first detection area (12a).
  • the first central axis (10a) is arranged at a first angle ( ⁇ ) of the second central axis (10b) of the second environmental sensor and at a second angle ( ⁇ ) to the third central axis (10c) of the third environmental sensor.
  • the second environment sensor has a second detection area (12b) about the second central axis (10b).
  • the third detection area (12c) is arranged around the third center axis (10c) of the third environment sensor.
  • the same arrangement of the central axes (10a, 10b, 10c) and their detection areas (12a, 12b, 12c) applies to the second housing (8) of the device for the provision of environmental sensors, which with its housing (8) on the right side of the vehicle (4) is arranged.
  • the distances between the first detection areas (12a) and the second or third detection areas (12b, 12c) are very small and practically not important, so that a total of a complete detection range of the housing (8) of the device for the arrangement of environmental sensors is achieved.
  • the housing (8) in the front and on the right side of the vehicle (4) overlap the third detection area (12c) of the housing (8) in the front area and the second Detection area (12b) of the housing (8) on the right side of the vehicle (4). It would also be possible to dispense with one of these two detection areas (12b, 12c) and to move the housing (8) laterally either on the right side of the vehicle or in the front area of the vehicle (4) and arrange them correspondingly closer to one another.
  • the housings (8) are fastened to the vehicle (4) by a screw connection (not shown).
  • the connection between the housing (8) and the vehicle (4) can also be effected by an adhesive or latching connection.
  • FIG. 4 shows a front view of a vehicle (4) standing on a flat road surface (60).
  • a housing (8) of a device (1) is arranged on the vehicle (4) in the front region, and a further housing (8) of a device (1) for arranging environmental sensors (2a, 2b, 2c) is arranged in the right-hand side region.
  • the housing (8) in the side region of the vehicle is arranged at a sensor height (H) with respect to the road surface (60) on the vehicle (4) by means of a latching connection (not shown).
  • a first central axis (10a) of an environmental sensor in the housing (8) is arranged at a third angle ( ⁇ ) with respect to a horizontal plane (15).
  • the horizontal plane (15) is aligned parallel to the flat road surface (16).

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
  • Testing Or Calibration Of Command Recording Devices (AREA)

Abstract

L'invention porte sur un dispositif pour l'arrangement de capteurs d'environnement (1) dans un véhicule (4), grâce auquel des objets (6) se trouvant dans l'environnement du véhicule peuvent être reconnus, au moins un premier et un deuxième capteur d'environnement (2a, 2b) étant disposés dans un boîtier commun (8, 26) de telle sorte qu'un premier axe central (10a) de la plage de détection (12a) du premier capteur d'environnement (2a) soit dirigé dans une direction différente de celle d'un deuxième axe central (10b) de la plage de détection (12b) du deuxième capteur d'environnement (2b).
EP08873249A 2008-03-08 2008-12-20 Dispositif pour l'arrangement de capteurs d'environnement dans un véhicule Withdrawn EP2252902A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE202008003306U DE202008003306U1 (de) 2008-03-08 2008-03-08 Vorrichtung zur Anordnung von Umfeldsensoren in einem Fahrzeug
PCT/EP2008/010983 WO2009112066A1 (fr) 2008-03-08 2008-12-20 Dispositif pour l'arrangement de capteurs d'environnement dans un véhicule

Publications (1)

Publication Number Publication Date
EP2252902A1 true EP2252902A1 (fr) 2010-11-24

Family

ID=39768314

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08873249A Withdrawn EP2252902A1 (fr) 2008-03-08 2008-12-20 Dispositif pour l'arrangement de capteurs d'environnement dans un véhicule

Country Status (3)

Country Link
EP (1) EP2252902A1 (fr)
DE (1) DE202008003306U1 (fr)
WO (1) WO2009112066A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB201415119D0 (en) 2014-08-27 2014-10-08 Ibm Method for fabricating a semiconductor structure
EP4196838A1 (fr) 2020-08-12 2023-06-21 ZF CV Systems Global GmbH Boîtier de capteur, dispositif de nettoyage et de capteur intégré dans un boîtier et véhicule

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19835782A1 (de) * 1997-08-23 1999-04-01 Itt Mfg Enterprises Inc Ultrschallwandler mit in Wandlerlängsrichtung angeordneter Platine für eine elektrische Schaltung
DE19937195A1 (de) * 1999-08-06 2001-02-15 Valeo Schalter & Sensoren Gmbh Ultraschallwandler
DE10203387A1 (de) * 2001-06-19 2003-01-16 Mitsubishi Electric Corp Ultraschall-Hindernisdetektor und Verfahren zu dessen Zusammenbau

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US4450430A (en) * 1981-04-24 1984-05-22 Barishpolsky Boris M Lane change guidance system
US5059946A (en) * 1989-05-10 1991-10-22 Hollowbush Richard R Ultrasonic obstacle detector
US5574426A (en) 1995-06-30 1996-11-12 Insys, Ltd. Obstacle detection system for vehicles moving in reverse
DE19949409A1 (de) 1999-10-13 2001-04-19 Bosch Gmbh Robert Verfahren und Vorrichtung zur Objektdetektierung
US6693273B1 (en) * 2000-05-02 2004-02-17 Prospects, Corp. Method and apparatus for monitoring a powered vent opening with a multifaceted sensor system
US7341264B2 (en) 2003-10-30 2008-03-11 Mark Swannie Trailer hitch mounted reverse sensing system

Patent Citations (3)

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Publication number Priority date Publication date Assignee Title
DE19835782A1 (de) * 1997-08-23 1999-04-01 Itt Mfg Enterprises Inc Ultrschallwandler mit in Wandlerlängsrichtung angeordneter Platine für eine elektrische Schaltung
DE19937195A1 (de) * 1999-08-06 2001-02-15 Valeo Schalter & Sensoren Gmbh Ultraschallwandler
DE10203387A1 (de) * 2001-06-19 2003-01-16 Mitsubishi Electric Corp Ultraschall-Hindernisdetektor und Verfahren zu dessen Zusammenbau

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2009112066A1 *

Also Published As

Publication number Publication date
DE202008003306U1 (de) 2008-09-18
WO2009112066A1 (fr) 2009-09-17

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