HK1117903A1 - A device for detection of road surface condition - Google Patents

A device for detection of road surface condition

Info

Publication number
HK1117903A1
HK1117903A1 HK08108271.5A HK08108271A HK1117903A1 HK 1117903 A1 HK1117903 A1 HK 1117903A1 HK 08108271 A HK08108271 A HK 08108271A HK 1117903 A1 HK1117903 A1 HK 1117903A1
Authority
HK
Hong Kong
Prior art keywords
detection
vehicle
ice
polarized light
water
Prior art date
Application number
HK08108271.5A
Other languages
English (en)
Inventor
Jack Fridthjof
Original Assignee
Liwas Aps
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 Liwas Aps filed Critical Liwas Aps
Publication of HK1117903A1 publication Critical patent/HK1117903A1/xx

Links

Classifications

    • 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
    • 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
    • G08G1/096791—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 another vehicle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T8/00—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force
    • B60T8/17—Using electrical or electronic regulation means to control braking
    • B60T8/172—Determining control parameters used in the regulation, e.g. by calculations involving measured or detected parameters
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/21—Polarisation-affecting properties
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V20/00—Scenes; Scene-specific elements
    • G06V20/50—Context or environment of the image
    • G06V20/56—Context or environment of the image exterior to a vehicle by using sensors mounted on the vehicle
    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/01—Detecting movement of traffic to be counted or controlled
    • G08G1/048—Detecting movement of traffic to be counted or controlled with provision for compensation of environmental or other condition, e.g. snow, vehicle stopped at detector
    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/09—Arrangements for giving variable traffic instructions
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T2210/00—Detection or estimation of road or environment conditions; Detection or estimation of road shapes
    • B60T2210/10—Detection or estimation of road conditions
    • B60T2210/12—Friction

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Atmospheric Sciences (AREA)
  • Biochemistry (AREA)
  • Multimedia (AREA)
  • Analytical Chemistry (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • General Health & Medical Sciences (AREA)
  • Theoretical Computer Science (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Vehicle Body Suspensions (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
  • Traffic Control Systems (AREA)
  • Length Measuring Devices With Unspecified Measuring Means (AREA)
  • Accessory Devices And Overall Control Thereof (AREA)
HK08108271.5A 2003-03-14 2008-07-25 A device for detection of road surface condition HK1117903A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DKPA200300386 2003-03-14

Publications (1)

Publication Number Publication Date
HK1117903A1 true HK1117903A1 (en) 2009-01-23

Family

ID=32981681

Family Applications (1)

Application Number Title Priority Date Filing Date
HK08108271.5A HK1117903A1 (en) 2003-03-14 2008-07-25 A device for detection of road surface condition

Country Status (17)

Country Link
US (2) US7652584B2 (ja)
EP (2) EP1606784B1 (ja)
JP (1) JP4492883B2 (ja)
KR (1) KR20050109565A (ja)
CN (1) CN1809853B (ja)
AT (2) ATE375585T1 (ja)
AU (2) AU2004219513B2 (ja)
CA (1) CA2518386A1 (ja)
DE (1) DE602004009422T2 (ja)
DK (2) DK1606784T3 (ja)
EA (1) EA008399B1 (ja)
ES (1) ES2295838T3 (ja)
HK (1) HK1117903A1 (ja)
NO (1) NO20054213L (ja)
NZ (2) NZ568833A (ja)
PL (1) PL1606784T3 (ja)
WO (1) WO2004081897A2 (ja)

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EA008399B1 (ru) 2007-04-27
CN1809853B (zh) 2012-07-11
EP1890128A2 (en) 2008-02-20
AU2004219513A2 (en) 2004-09-23
ES2295838T3 (es) 2008-04-16
EP1606784B1 (en) 2007-10-10
DK1606784T3 (da) 2008-02-11
US20060261975A1 (en) 2006-11-23
JP2006523336A (ja) 2006-10-12
DE602004009422D1 (de) 2007-11-22
KR20050109565A (ko) 2005-11-21
NO20054213D0 (no) 2005-09-12
ATE534896T1 (de) 2011-12-15
ATE375585T1 (de) 2007-10-15
US20100085175A1 (en) 2010-04-08
CA2518386A1 (en) 2004-09-23
EP1890128B1 (en) 2011-11-23
NZ568833A (en) 2009-05-31
DE602004009422T2 (de) 2008-07-24
EA200501458A1 (ru) 2006-06-30
AU2004219513B2 (en) 2009-08-27
AU2009240864A1 (en) 2009-12-17
JP4492883B2 (ja) 2010-06-30
EP1606784A2 (en) 2005-12-21
US7652584B2 (en) 2010-01-26
NZ542080A (en) 2008-07-31
WO2004081897A2 (en) 2004-09-23
DK1890128T3 (da) 2012-03-19
US8040248B2 (en) 2011-10-18
CN1809853A (zh) 2006-07-26
PL1606784T3 (pl) 2008-03-31
NO20054213L (no) 2005-09-12
EP1890128A3 (en) 2008-04-23
WO2004081897A3 (en) 2004-11-04
AU2004219513A1 (en) 2004-09-23

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