SE353497B - - Google Patents

Info

Publication number
SE353497B
SE353497B SE273269A SE273269A SE353497B SE 353497 B SE353497 B SE 353497B SE 273269 A SE273269 A SE 273269A SE 273269 A SE273269 A SE 273269A SE 353497 B SE353497 B SE 353497B
Authority
SE
Sweden
Application number
SE273269A
Inventor
H Maier
D Schneider
S Roth
Original Assignee
Eltro 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 Eltro Gmbh filed Critical Eltro Gmbh
Publication of SE353497B publication Critical patent/SE353497B/xx

Links

Classifications

    • 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
    • G01N21/41—Refractivity; Phase-affecting properties, e.g. optical path length
    • G01N21/43—Refractivity; Phase-affecting properties, e.g. optical path length by measuring critical angle

Landscapes

  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
SE273269A 1968-03-27 1969-02-27 SE353497B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19681755074 DE1755074B1 (en) 1968-03-27 1968-03-27 Display device for soiling and fogging of windows

Publications (1)

Publication Number Publication Date
SE353497B true SE353497B (en) 1973-02-05

Family

ID=5693303

Family Applications (1)

Application Number Title Priority Date Filing Date
SE273269A SE353497B (en) 1968-03-27 1969-02-27

Country Status (4)

Country Link
DE (1) DE1755074B1 (en)
FR (1) FR2004803A1 (en)
GB (1) GB1242621A (en)
SE (1) SE353497B (en)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2818019C2 (en) * 1978-04-25 1980-07-17 Bayerische Motoren Werke Ag, 8000 Muenchen Vehicle headlights with a pollution sensor
DE2833635C2 (en) * 1978-08-01 1983-05-05 Siemens AG, 1000 Berlin und 8000 München Method for measuring the contamination of optical interfaces in optical receivers and device for carrying out the method
DE3232059A1 (en) * 1981-09-04 1983-03-24 Westinghouse Electric Corp., 15222 Pittsburgh, Pa. GLASS FIBER DETECTOR
DE3247659A1 (en) * 1982-12-23 1984-06-28 Wolfgang Dr. 7000 Stuttgart Ruhrmann OPTICAL SENSOR
JPS61116645A (en) * 1984-11-09 1986-06-04 Nippon Denso Co Ltd Liquid detector for automatic windshield wiper controller
US4652745A (en) * 1985-12-06 1987-03-24 Ford Motor Company Optical moisture sensor for a window or windshield
FI75669C (en) * 1986-02-04 1988-07-11 Vaisala Oy Method for measuring transmission of light and apparatus for applying the method.
DE3619538A1 (en) * 1986-06-10 1987-12-17 Egon Harig Apparatebau Elektro DEVICE DETECTING ARRANGEMENT
IT212332Z2 (en) * 1987-07-31 1989-07-04 Veglia Borletti Srl DEVICE SENSOR OF THE PRESENCE OF WATER DROPS ON A VEHICLE CRYSTAL AND EQUIPMENT OF A WINDSCREEN WIPER EQUIPPED WITH THE SAID DEVICE
GB2360583A (en) * 2000-03-21 2001-09-26 Microflow Ltd Optical condensation monitor
DE102014220652A1 (en) * 2014-10-13 2016-04-14 Continental Automotive Gmbh Vehicle window with a window heating and heating and sensor unit for a vehicle
KR102502613B1 (en) 2014-10-17 2023-02-22 니마 나바비 Self-cleaning optical sensor assembly
AT518591B1 (en) 2016-05-11 2019-04-15 B & R Ind Automation Gmbh Illuminant with adjustable irradiance

Also Published As

Publication number Publication date
DE1755074B1 (en) 1970-09-10
GB1242621A (en) 1971-08-11
FR2004803A1 (en) 1969-12-05

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