CA953166A - Visual-type hygrometer - Google Patents

Visual-type hygrometer

Info

Publication number
CA953166A
CA953166A CA107,270A CA107270A CA953166A CA 953166 A CA953166 A CA 953166A CA 107270 A CA107270 A CA 107270A CA 953166 A CA953166 A CA 953166A
Authority
CA
Canada
Prior art keywords
visual
type hygrometer
hygrometer
type
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
CA107,270A
Inventor
Stanley B. Elliott
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to CA186,924A priority Critical patent/CA956184A/en
Priority to CA186,925A priority patent/CA961859A/en
Application granted granted Critical
Publication of CA953166A publication Critical patent/CA953166A/en
Expired legal-status Critical Current

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
    • G01N21/21—Polarisation-affecting properties
    • G01N21/23—Bi-refringence
    • 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
    • G01N21/75—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated
    • G01N21/77—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator
    • G01N21/78—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator producing a change of colour
    • G01N21/81—Indicating humidity

Landscapes

  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Plasma & Fusion (AREA)
  • Investigating Or Analysing Materials By The Use Of Chemical Reactions (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Measuring Temperature Or Quantity Of Heat (AREA)
  • Polarising Elements (AREA)
  • Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
CA107,270A 1970-03-12 1971-03-09 Visual-type hygrometer Expired CA953166A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CA186,924A CA956184A (en) 1970-03-12 1973-11-28 Visual-type hygrometer
CA186,925A CA961859A (en) 1970-03-12 1973-11-28 Compounds useful in visual-type hygrometers

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US1892170A 1970-03-12 1970-03-12

Publications (1)

Publication Number Publication Date
CA953166A true CA953166A (en) 1974-08-20

Family

ID=21790435

Family Applications (1)

Application Number Title Priority Date Filing Date
CA107,270A Expired CA953166A (en) 1970-03-12 1971-03-09 Visual-type hygrometer

Country Status (4)

Country Link
JP (2) JPS5721648B1 (en)
CA (1) CA953166A (en)
DE (1) DE2112059C2 (en)
GB (1) GB1353776A (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH608888A5 (en) * 1976-09-28 1979-01-31 Rosenthal Moshe
DE2757017C3 (en) * 1977-12-21 1986-07-31 Hoechst Ag, 6230 Frankfurt Process for the production of pressure-resistant polyurethane-polyurea capsules with a structured inner mass
DE3832185A1 (en) * 1988-09-22 1990-03-29 Fedor Dipl Phys Dr Mitschke Humidity (moisture) sensor and measuring arrangement for the measurement of humidity
EP2394154B1 (en) * 2009-02-04 2018-04-04 Nederlandse Organisatie voor toegepast- natuurwetenschappelijk onderzoek TNO Origami sensor
JP6396612B2 (en) * 2018-01-09 2018-09-26 洋子 榊原 Asbestos judgment kit, asbestos judgment preparation and asbestos judgment assembly

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE953193C (en) * 1951-05-22 1956-11-29 Dr Georg Walter Kuehl Process for the production of a multilayer glass
DE1012752B (en) * 1953-12-05 1957-07-25 Dr Georg Walter Kuehl Process for the production of a multilayer glass with variable light transmission

Also Published As

Publication number Publication date
DE2112059C2 (en) 1984-08-16
JPS5721648B1 (en) 1982-05-08
JPS5916214B2 (en) 1984-04-13
GB1353776A (en) 1974-05-22
JPS55136940A (en) 1980-10-25
DE2112059A1 (en) 1971-09-23

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