GB947857A - Improvements relating to electrical hygrometers - Google Patents
Improvements relating to electrical hygrometersInfo
- Publication number
- GB947857A GB947857A GB21423/59A GB2142359A GB947857A GB 947857 A GB947857 A GB 947857A GB 21423/59 A GB21423/59 A GB 21423/59A GB 2142359 A GB2142359 A GB 2142359A GB 947857 A GB947857 A GB 947857A
- Authority
- GB
- United Kingdom
- Prior art keywords
- layer
- pores
- june
- anodised
- covered
- 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
Links
- 239000010410 layer Substances 0.000 abstract 7
- KWGKDLIKAYFUFQ-UHFFFAOYSA-M lithium chloride Chemical compound [Li+].[Cl-] KWGKDLIKAYFUFQ-UHFFFAOYSA-M 0.000 abstract 2
- 239000011148 porous material Substances 0.000 abstract 2
- 239000000243 solution Substances 0.000 abstract 2
- 239000002344 surface layer Substances 0.000 abstract 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 2
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 abstract 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract 1
- WGLPBDUCMAPZCE-UHFFFAOYSA-N Trioxochromium Chemical compound O=[Cr](=O)=O WGLPBDUCMAPZCE-UHFFFAOYSA-N 0.000 abstract 1
- 239000004411 aluminium Substances 0.000 abstract 1
- 229910052782 aluminium Inorganic materials 0.000 abstract 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 abstract 1
- 239000007864 aqueous solution Substances 0.000 abstract 1
- 229910001628 calcium chloride Inorganic materials 0.000 abstract 1
- 239000001110 calcium chloride Substances 0.000 abstract 1
- 239000003990 capacitor Substances 0.000 abstract 1
- 229910000423 chromium oxide Inorganic materials 0.000 abstract 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 abstract 1
- 239000010931 gold Substances 0.000 abstract 1
- 229910052737 gold Inorganic materials 0.000 abstract 1
- 229910002804 graphite Inorganic materials 0.000 abstract 1
- 239000010439 graphite Substances 0.000 abstract 1
- 238000011065 in-situ storage Methods 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 229910052751 metal Inorganic materials 0.000 abstract 1
- 239000002184 metal Substances 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 239000000126 substance Substances 0.000 abstract 1
- 238000001771 vacuum deposition Methods 0.000 abstract 1
Classifications
-
- 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
- G01N27/22—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating capacitance
- G01N27/223—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating capacitance for determining moisture content, e.g. humidity
-
- 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
- G01N27/22—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating capacitance
- G01N27/223—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating capacitance for determining moisture content, e.g. humidity
- G01N27/225—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating capacitance for determining moisture content, e.g. humidity by using hygroscopic materials
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL130518D NL130518C (forum.php) | 1959-06-23 | ||
| NL252982D NL252982A (forum.php) | 1959-06-23 | ||
| GB21423/59A GB947857A (en) | 1959-06-23 | 1959-06-23 | Improvements relating to electrical hygrometers |
| US37800A US3083573A (en) | 1959-06-23 | 1960-06-21 | Electrical hygrometers |
| FR830606A FR1264142A (fr) | 1959-06-23 | 1960-06-21 | élément sensible à l'humidité, utilisable dans un hygromètre |
| CH710160A CH383034A (it) | 1959-06-23 | 1960-06-22 | Elemento sensibile all'umidità per igrometro elettrico |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB21423/59A GB947857A (en) | 1959-06-23 | 1959-06-23 | Improvements relating to electrical hygrometers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB947857A true GB947857A (en) | 1964-01-29 |
Family
ID=10162696
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB21423/59A Expired GB947857A (en) | 1959-06-23 | 1959-06-23 | Improvements relating to electrical hygrometers |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US3083573A (forum.php) |
| CH (1) | CH383034A (forum.php) |
| GB (1) | GB947857A (forum.php) |
| NL (2) | NL252982A (forum.php) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4859882A (forum.php) * | 1971-11-24 | 1973-08-22 | ||
| GB2000292A (en) * | 1977-06-06 | 1979-01-04 | Matsushita Electric Industrial Co Ltd | Humidity sensor of capacitance change type |
| US4276128A (en) | 1978-02-20 | 1981-06-30 | Matsushita Electric Industrial Co., Ltd. | Humidity sensing element of electric capacitance change type and method of producing same |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3243674A (en) * | 1963-02-01 | 1966-03-29 | Ebert Gotthold | Capacitor type sensing device |
| US3350941A (en) * | 1965-05-20 | 1967-11-07 | Johnson Service Co | Humidity sensing element |
| US3440396A (en) * | 1965-11-22 | 1969-04-22 | Ugc Ind Inc | Moisture and snow detector |
| US3416356A (en) * | 1965-12-17 | 1968-12-17 | Vapor Corp | Dew point hygrometer |
| GB1393901A (en) * | 1971-05-24 | 1975-05-14 | Molecular Controls | Moisture sensors |
| US3765100A (en) * | 1971-09-22 | 1973-10-16 | Gen Electric | Capacitive sensing dryer control |
| FR2486656A1 (fr) | 1980-07-09 | 1982-01-15 | Commissariat Energie Atomique | Hygrometre capacitif |
| EP2494343A2 (de) * | 2009-10-30 | 2012-09-05 | Peter Hagl | Sensorvorrichtung |
| US20120167392A1 (en) | 2010-12-30 | 2012-07-05 | Stmicroelectronics Pte. Ltd. | Razor with chemical and biological sensor |
| US9027400B2 (en) * | 2011-12-02 | 2015-05-12 | Stmicroelectronics Pte Ltd. | Tunable humidity sensor with integrated heater |
| US9019688B2 (en) | 2011-12-02 | 2015-04-28 | Stmicroelectronics Pte Ltd. | Capacitance trimming with an integrated heater |
| US20140070827A1 (en) * | 2012-09-13 | 2014-03-13 | Alliance For Sustainable Energy, Llc | Systems and methods for compensated barrier permeability testing |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2554440A (en) * | 1946-02-21 | 1951-05-22 | Serdex Inc | Meteorological instrument |
| US2701832A (en) * | 1951-11-09 | 1955-02-08 | Phillips Petroleum Co | Moisture-sensitive element |
| US2710324A (en) * | 1953-02-04 | 1955-06-07 | Harmantas Christos | Sensing element for the electric hygrometer |
| US2884593A (en) * | 1953-05-06 | 1959-04-28 | Miyata Akira | Device for determining moisture content of various materials and substances |
-
0
- NL NL130518D patent/NL130518C/xx active
- NL NL252982D patent/NL252982A/xx unknown
-
1959
- 1959-06-23 GB GB21423/59A patent/GB947857A/en not_active Expired
-
1960
- 1960-06-21 US US37800A patent/US3083573A/en not_active Expired - Lifetime
- 1960-06-22 CH CH710160A patent/CH383034A/it unknown
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4859882A (forum.php) * | 1971-11-24 | 1973-08-22 | ||
| GB2000292A (en) * | 1977-06-06 | 1979-01-04 | Matsushita Electric Industrial Co Ltd | Humidity sensor of capacitance change type |
| GB2000292B (en) * | 1977-06-06 | 1982-03-17 | Matsushita Electric Industrial Co Ltd | Humidity sensor of capacitance change type |
| US4276128A (en) | 1978-02-20 | 1981-06-30 | Matsushita Electric Industrial Co., Ltd. | Humidity sensing element of electric capacitance change type and method of producing same |
Also Published As
| Publication number | Publication date |
|---|---|
| NL130518C (forum.php) | |
| US3083573A (en) | 1963-04-02 |
| NL252982A (forum.php) | |
| CH383034A (it) | 1964-10-15 |
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