GB2025622B - Humidity sensor and a humidity detection circuit - Google Patents

Humidity sensor and a humidity detection circuit

Info

Publication number
GB2025622B
GB2025622B GB7918462A GB7918462A GB2025622B GB 2025622 B GB2025622 B GB 2025622B GB 7918462 A GB7918462 A GB 7918462A GB 7918462 A GB7918462 A GB 7918462A GB 2025622 B GB2025622 B GB 2025622B
Authority
GB
United Kingdom
Prior art keywords
humidity
detection circuit
sensor
humidity sensor
humidity detection
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
GB7918462A
Other versions
GB2025622A (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.)
SHINYEI KAISHA
Original Assignee
SHINYEI KAISHA
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
Priority claimed from JP6288578A external-priority patent/JPS5510502A/en
Priority claimed from JP10347478A external-priority patent/JPS5529774A/en
Priority claimed from JP12416378U external-priority patent/JPS5540391U/ja
Priority claimed from JP12589278A external-priority patent/JPS5551347A/en
Application filed by SHINYEI KAISHA filed Critical SHINYEI KAISHA
Publication of GB2025622A publication Critical patent/GB2025622A/en
Application granted granted Critical
Publication of GB2025622B publication Critical patent/GB2025622B/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
    • 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
    • G01N27/12—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of a solid body in dependence upon absorption of a fluid; of a solid body in dependence upon reaction with a fluid, for detecting components in the fluid
    • G01N27/121—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of a solid body in dependence upon absorption of a fluid; of a solid body in dependence upon reaction with a fluid, for detecting components in the fluid for determining moisture content, e.g. humidity, of the fluid

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 Fluid Adsorption Or Reactions (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
GB7918462A 1978-05-25 1979-05-25 Humidity sensor and a humidity detection circuit Expired GB2025622B (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP6288578A JPS5510502A (en) 1978-05-25 1978-05-25 Moisture sensitive element
JP10347478A JPS5529774A (en) 1978-08-24 1978-08-24 Relative humidity detector
JP12416378U JPS5540391U (en) 1978-09-09 1978-09-09
JP12589278A JPS5551347A (en) 1978-10-12 1978-10-12 Moisture-sensitive element

Publications (2)

Publication Number Publication Date
GB2025622A GB2025622A (en) 1980-01-23
GB2025622B true GB2025622B (en) 1982-10-06

Family

ID=27464235

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7918462A Expired GB2025622B (en) 1978-05-25 1979-05-25 Humidity sensor and a humidity detection circuit

Country Status (3)

Country Link
CH (1) CH641566A5 (en)
DE (1) DE2920808A1 (en)
GB (1) GB2025622B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3270451D1 (en) * 1981-09-28 1986-05-15 Hitachi Ltd Humidity sensor and method for preparing a humidity sensor
US4515653A (en) * 1983-04-30 1985-05-07 Sharp Kabushiki Kaisha Method for production of a moisture sensor
JPS6166160A (en) * 1984-09-08 1986-04-04 Shimadzu Corp Humidity sensor and manufacture thereof
HUT48174A (en) * 1987-05-08 1989-05-29 Autoipari Kutato Fejlesztoe Safety device for avoiding the freezing of air system
CH688244A5 (en) * 1994-01-27 1997-06-30 Landis & Gyr Tech Innovat A method of controlling a cooling device and sensor for implementing the method.
CN111929412A (en) * 2020-07-30 2020-11-13 信义汽车玻璃(深圳)有限公司 Automobile humidity detection device and detection method

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1031739A (en) * 1963-11-07 1966-06-02 Wayne Kerr Lab Ltd Improvements in or relating to humidity sensing elements and their manufacture
US3703696A (en) * 1971-11-23 1972-11-21 Gen Electric Humidity sensor
JPS5431714B2 (en) * 1972-09-20 1979-10-09

Also Published As

Publication number Publication date
DE2920808A1 (en) 1979-11-29
DE2920808C2 (en) 1987-01-15
GB2025622A (en) 1980-01-23
CH641566A5 (en) 1984-02-29

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19940525