GB970148A - Improvements in and relating to photoelectric dew or frost detectors - Google Patents

Improvements in and relating to photoelectric dew or frost detectors

Info

Publication number
GB970148A
GB970148A GB891563A GB891563A GB970148A GB 970148 A GB970148 A GB 970148A GB 891563 A GB891563 A GB 891563A GB 891563 A GB891563 A GB 891563A GB 970148 A GB970148 A GB 970148A
Authority
GB
United Kingdom
Prior art keywords
photo
mirror
dew
frost
light
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
GB891563A
Other languages
English (en)
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.)
Compteurs Schlumberger SA
Original Assignee
Compteurs Schlumberger 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 Compteurs Schlumberger SA filed Critical Compteurs Schlumberger SA
Publication of GB970148A publication Critical patent/GB970148A/en
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N25/00Investigating or analyzing materials by the use of thermal means
    • G01N25/56Investigating or analyzing materials by the use of thermal means by investigating moisture content
    • G01N25/66Investigating or analyzing materials by the use of thermal means by investigating moisture content by investigating dew-point
    • G01N25/68Investigating or analyzing materials by the use of thermal means by investigating moisture content by investigating dew-point by varying the temperature of a condensing surface
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01WMETEOROLOGY
    • G01W1/00Meteorology
    • G01W1/14Rainfall or precipitation gauges

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Analytical Chemistry (AREA)
  • Pathology (AREA)
  • Physics & Mathematics (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Chemical & Material Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Atmospheric Sciences (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Ecology (AREA)
  • Environmental Sciences (AREA)
  • Investigating Or Analyzing Materials Using Thermal Means (AREA)
GB891563A 1962-03-09 1963-03-06 Improvements in and relating to photoelectric dew or frost detectors Expired GB970148A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR890523A FR1325688A (fr) 1962-03-09 1962-03-09 Dispositif photoélectrique détecteur de rosée à grande sensibilité

Publications (1)

Publication Number Publication Date
GB970148A true GB970148A (en) 1964-09-16

Family

ID=8774396

Family Applications (1)

Application Number Title Priority Date Filing Date
GB891563A Expired GB970148A (en) 1962-03-09 1963-03-06 Improvements in and relating to photoelectric dew or frost detectors

Country Status (5)

Country Link
BE (1) BE627248A (enrdf_load_stackoverflow)
CH (1) CH389939A (enrdf_load_stackoverflow)
FR (1) FR1325688A (enrdf_load_stackoverflow)
GB (1) GB970148A (enrdf_load_stackoverflow)
NL (1) NL290026A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5453832A (en) * 1990-03-06 1995-09-26 Alfa Laval Separation Inc. Turbidity measurement

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4531635A (en) * 1984-03-30 1985-07-30 Mary Ellen Enterprises Inc. Hiding place for keys and similar articles

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5453832A (en) * 1990-03-06 1995-09-26 Alfa Laval Separation Inc. Turbidity measurement

Also Published As

Publication number Publication date
BE627248A (enrdf_load_stackoverflow)
FR1325688A (fr) 1963-05-03
NL290026A (enrdf_load_stackoverflow)
CH389939A (fr) 1965-03-31

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