FR2772479B1 - FOG OR RAIN DETECTOR FOR A MOTOR VEHICLE COMPRISING AN INFRARED OR ULTRASONIC RADIATION TRANSMITTER / RECEIVER SYSTEM - Google Patents

FOG OR RAIN DETECTOR FOR A MOTOR VEHICLE COMPRISING AN INFRARED OR ULTRASONIC RADIATION TRANSMITTER / RECEIVER SYSTEM

Info

Publication number
FR2772479B1
FR2772479B1 FR9715781A FR9715781A FR2772479B1 FR 2772479 B1 FR2772479 B1 FR 2772479B1 FR 9715781 A FR9715781 A FR 9715781A FR 9715781 A FR9715781 A FR 9715781A FR 2772479 B1 FR2772479 B1 FR 2772479B1
Authority
FR
France
Prior art keywords
fog
infrared
motor vehicle
receiver system
ultrasonic radiation
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
FR9715781A
Other languages
French (fr)
Other versions
FR2772479A1 (en
Inventor
Thierry Cheng
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.)
Valeo Climatisation SA
Original Assignee
Valeo Climatisation SA
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 Valeo Climatisation SA filed Critical Valeo Climatisation SA
Priority to FR9715781A priority Critical patent/FR2772479B1/en
Publication of FR2772479A1 publication Critical patent/FR2772479A1/en
Application granted granted Critical
Publication of FR2772479B1 publication Critical patent/FR2772479B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V8/00—Prospecting or detecting by optical means
    • G01V8/10—Detecting, e.g. by using light barriers
    • G01V8/12—Detecting, e.g. by using light barriers using one transmitter and one receiver
    • G01V8/14—Detecting, e.g. by using light barriers using one transmitter and one receiver using reflectors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
    • B60S1/00—Cleaning of vehicles
    • B60S1/02—Cleaning windscreens, windows or optical devices
    • B60S1/04—Wipers or the like, e.g. scrapers
    • B60S1/06—Wipers or the like, e.g. scrapers characterised by the drive
    • B60S1/08—Wipers or the like, e.g. scrapers characterised by the drive electrically driven
    • B60S1/0818—Wipers or the like, e.g. scrapers characterised by the drive electrically driven including control systems responsive to external conditions, e.g. by detection of moisture, dirt or the like
    • B60S1/0822—Wipers or the like, e.g. scrapers characterised by the drive electrically driven including control systems responsive to external conditions, e.g. by detection of moisture, dirt or the like characterized by the arrangement or type of detection means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
    • B60S1/00—Cleaning of vehicles
    • B60S1/02—Cleaning windscreens, windows or optical devices
    • B60S1/04—Wipers or the like, e.g. scrapers
    • B60S1/06—Wipers or the like, e.g. scrapers characterised by the drive
    • B60S1/08—Wipers or the like, e.g. scrapers characterised by the drive electrically driven
    • B60S1/0818—Wipers or the like, e.g. scrapers characterised by the drive electrically driven including control systems responsive to external conditions, e.g. by detection of moisture, dirt or the like
    • B60S1/0822—Wipers or the like, e.g. scrapers characterised by the drive electrically driven including control systems responsive to external conditions, e.g. by detection of moisture, dirt or the like characterized by the arrangement or type of detection means
    • B60S1/0833—Optical rain sensor
    • B60S1/0837—Optical rain sensor with a particular arrangement of the optical elements
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/02—Analysing fluids
    • G01N29/032—Analysing fluids by measuring attenuation of acoustic waves
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
    • B60S1/00—Cleaning of vehicles
    • B60S1/02—Cleaning windscreens, windows or optical devices
    • B60S1/04—Wipers or the like, e.g. scrapers
    • B60S1/06—Wipers or the like, e.g. scrapers characterised by the drive
    • B60S1/08—Wipers or the like, e.g. scrapers characterised by the drive electrically driven
    • B60S1/0818—Wipers or the like, e.g. scrapers characterised by the drive electrically driven including control systems responsive to external conditions, e.g. by detection of moisture, dirt or the like
    • B60S1/0822—Wipers or the like, e.g. scrapers characterised by the drive electrically driven including control systems responsive to external conditions, e.g. by detection of moisture, dirt or the like characterized by the arrangement or type of detection means
    • B60S1/0874—Wipers or the like, e.g. scrapers characterised by the drive electrically driven including control systems responsive to external conditions, e.g. by detection of moisture, dirt or the like characterized by the arrangement or type of detection means characterized by the position of the sensor on the windshield
    • B60S1/0885—Wipers or the like, e.g. scrapers characterised by the drive electrically driven including control systems responsive to external conditions, e.g. by detection of moisture, dirt or the like characterized by the arrangement or type of detection means characterized by the position of the sensor on the windshield the sensor being integrated in a rear-view mirror module
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00—Indexing codes associated with group G01N29/00
    • G01N2291/02—Indexing codes associated with the analysed material
    • G01N2291/025—Change of phase or condition
    • G01N2291/0253—Condensation
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00—Indexing codes associated with group G01N29/00
    • G01N2291/10—Number of transducers
    • G01N2291/102—Number of transducers one emitter, one receiver

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Acoustics & Sound (AREA)
  • Geophysics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Rear-View Mirror Devices That Are Mounted On The Exterior Of The Vehicle (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
FR9715781A 1997-12-12 1997-12-12 FOG OR RAIN DETECTOR FOR A MOTOR VEHICLE COMPRISING AN INFRARED OR ULTRASONIC RADIATION TRANSMITTER / RECEIVER SYSTEM Expired - Lifetime FR2772479B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR9715781A FR2772479B1 (en) 1997-12-12 1997-12-12 FOG OR RAIN DETECTOR FOR A MOTOR VEHICLE COMPRISING AN INFRARED OR ULTRASONIC RADIATION TRANSMITTER / RECEIVER SYSTEM

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9715781A FR2772479B1 (en) 1997-12-12 1997-12-12 FOG OR RAIN DETECTOR FOR A MOTOR VEHICLE COMPRISING AN INFRARED OR ULTRASONIC RADIATION TRANSMITTER / RECEIVER SYSTEM

Publications (2)

Publication Number Publication Date
FR2772479A1 FR2772479A1 (en) 1999-06-18
FR2772479B1 true FR2772479B1 (en) 2000-02-11

Family

ID=9514540

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9715781A Expired - Lifetime FR2772479B1 (en) 1997-12-12 1997-12-12 FOG OR RAIN DETECTOR FOR A MOTOR VEHICLE COMPRISING AN INFRARED OR ULTRASONIC RADIATION TRANSMITTER / RECEIVER SYSTEM

Country Status (1)

Country Link
FR (1) FR2772479B1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10117397A1 (en) * 2001-04-06 2002-10-10 Valeo Auto Electric Gmbh Sensor for the detection of dirt and / or moisture on the outside of a pane
DE102008031572A1 (en) * 2008-07-07 2010-01-14 GM Global Technology Operations, Inc., Detroit Device for aiding cleaning of front pane of motor vehicle, has evaluation unit connected with detection sensor for identification of dirt areas on basis of local brightness measured by detection sensor
CN106772699B (en) * 2016-12-30 2020-01-10 广州周立功单片机科技有限公司 Rainfall detection system and rainfall state detection method and device

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4006174C1 (en) * 1990-02-28 1991-07-25 Leopold Kostal Gmbh & Co Kg, 5880 Luedenscheid, De
DE4019066A1 (en) * 1990-06-15 1991-12-19 Bosch Gmbh Robert DEVICE FOR OPTICALLY DETECTING A COVER
DE4214223A1 (en) * 1992-04-30 1993-11-04 Daimler Benz Ag Light or rain sensor integrated with self supporting internal rear view mirror holder for vehicle - forms work surface facing inside of windscreen as part of contact surface of mirror holder fixed by adhesive to inner side of screen.
DE19533424A1 (en) * 1995-09-09 1997-03-20 Teves Gmbh Alfred Rear-view internal mirror for motor vehicle

Also Published As

Publication number Publication date
FR2772479A1 (en) 1999-06-18

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