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FR1318282A - Detection system for ice, ice, snow, on a surface, such as the surface of a road or a bridge - Google Patents

Detection system for ice, ice, snow, on a surface, such as the surface of a road or a bridge

Info

Publication number
FR1318282A
FR1318282A FR892187A FR892187A FR1318282A FR 1318282 A FR1318282 A FR 1318282A FR 892187 A FR892187 A FR 892187A FR 892187 A FR892187 A FR 892187A FR 1318282 A FR1318282 A FR 1318282A
Authority
FR
France
Prior art keywords
ice
snow
bridge
road
detection system
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
Application number
FR892187A
Other languages
French (fr)
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.)
KAR TROL SIGNAL Co
Original Assignee
KAR TROL SIGNAL Co
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 KAR TROL SIGNAL Co filed Critical KAR TROL SIGNAL Co
Priority to FR892187A priority Critical patent/FR1318282A/en
Application granted granted Critical
Publication of FR1318282A publication Critical patent/FR1318282A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01W—METEOROLOGY
    • G01W1/00—Meteorology
    • G01W1/14—Rainfall or precipitation gauges
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
    • G01N27/04—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
    • G01N27/048—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance for determining moisture content of the material
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D27/00—Simultaneous control of variables covered by two or more of main groups G05D1/00 - G05D25/00
    • G05D27/02—Simultaneous control of variables covered by two or more of main groups G05D1/00 - G05D25/00 characterised by the use of electric means

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Environmental Sciences (AREA)
  • Electrochemistry (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Ecology (AREA)
  • Hydrology & Water Resources (AREA)
  • Automation & Control Theory (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Atmospheric Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
FR892187A 1962-03-26 1962-03-26 Detection system for ice, ice, snow, on a surface, such as the surface of a road or a bridge Expired FR1318282A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR892187A FR1318282A (en) 1962-03-26 1962-03-26 Detection system for ice, ice, snow, on a surface, such as the surface of a road or a bridge

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR892187A FR1318282A (en) 1962-03-26 1962-03-26 Detection system for ice, ice, snow, on a surface, such as the surface of a road or a bridge

Publications (1)

Publication Number Publication Date
FR1318282A true FR1318282A (en) 1963-02-15

Family

ID=8775300

Family Applications (1)

Application Number Title Priority Date Filing Date
FR892187A Expired FR1318282A (en) 1962-03-26 1962-03-26 Detection system for ice, ice, snow, on a surface, such as the surface of a road or a bridge

Country Status (1)

Country Link
FR (1) FR1318282A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2178796A1 (en) * 1972-04-07 1973-11-16 James Gilbert
EP0314454A1 (en) * 1987-10-28 1989-05-03 Fuji Jukogyo Kabushiki Kaisha Anti-frost system for a window of a motor vehicle

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2178796A1 (en) * 1972-04-07 1973-11-16 James Gilbert
EP0314454A1 (en) * 1987-10-28 1989-05-03 Fuji Jukogyo Kabushiki Kaisha Anti-frost system for a window of a motor vehicle

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