JPS55121145A - Humidity control circuit - Google Patents
Humidity control circuitInfo
- Publication number
- JPS55121145A JPS55121145A JP2915179A JP2915179A JPS55121145A JP S55121145 A JPS55121145 A JP S55121145A JP 2915179 A JP2915179 A JP 2915179A JP 2915179 A JP2915179 A JP 2915179A JP S55121145 A JPS55121145 A JP S55121145A
- Authority
- JP
- Japan
- Prior art keywords
- detecting element
- humidity
- resistance
- humidity detecting
- capacity
- 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.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
- G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
- G01R27/26—Measuring inductance or capacitance; Measuring quality factor, e.g. by using the resonance method; Measuring loss factor; Measuring dielectric constants ; Measuring impedance or related variables
- G01R27/2605—Measuring capacitance
-
- 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
Landscapes
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2915179A JPS55121145A (en) | 1979-03-12 | 1979-03-12 | Humidity control circuit |
GB8008388A GB2045442B (en) | 1979-03-12 | 1980-03-12 | Measuring and controlling humidity |
US06/318,552 US4449188A (en) | 1979-03-12 | 1981-11-05 | Apparatus and method for controlling humidity |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2915179A JPS55121145A (en) | 1979-03-12 | 1979-03-12 | Humidity control circuit |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS55121145A true JPS55121145A (en) | 1980-09-18 |
JPS6152424B2 JPS6152424B2 (ja) | 1986-11-13 |
Family
ID=12268248
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2915179A Granted JPS55121145A (en) | 1979-03-12 | 1979-03-12 | Humidity control circuit |
Country Status (3)
Country | Link |
---|---|
US (1) | US4449188A (ja) |
JP (1) | JPS55121145A (ja) |
GB (1) | GB2045442B (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0065019A1 (de) * | 1981-05-15 | 1982-11-24 | Bauer Kompressoren Gmbh | Verfahren zur Bestimmung des Sättigungsgrades einer zur Trocknung eines feuchten Gases geeigneten Trocknungspatrone und Vorrichtungen zur Durchführung des Verfahrens |
JPH07167U (ja) * | 1993-05-25 | 1995-01-06 | 赤目・香落・室生観光開発株式会社 | 鏡を用いた食器 |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0141773A3 (de) * | 1983-08-25 | 1986-08-13 | Syntec Instruments AG | Bestimmung des Wassergehaltes in hydraulischen Flüssigkeiten |
US4558595A (en) * | 1985-03-29 | 1985-12-17 | Honeywell Inc. | Capacitance monitoring bridge circuit for an enthalpy responsive device |
US4703886A (en) * | 1985-12-06 | 1987-11-03 | Chris Kirby | Heat/cool comfort controller |
ATE90794T1 (de) * | 1990-10-02 | 1993-07-15 | Imko Intelligente Micromodule | Materialfeuchtemessung. |
DK167823B1 (da) * | 1991-06-18 | 1993-12-20 | Asger Gramkow | Apparat til registrering af et koelemiddels fugtigheds- og syreindhold |
US5367265A (en) * | 1993-04-12 | 1994-11-22 | Eaton Corporation | Moisture-sensing controller for a clothes dryer |
BE1009810A3 (fr) * | 1995-12-07 | 1997-08-05 | Hugues A F Lahaut | Sonde psychrometrique a peignes interpenetres. |
US6310555B1 (en) * | 1999-09-02 | 2001-10-30 | Yosef Y. Stern | Water leak detector |
US7751167B2 (en) * | 2001-01-17 | 2010-07-06 | Huang Chuang-Pan | Protective circuit for a supersonic humidifier |
US20060168972A1 (en) * | 2005-02-03 | 2006-08-03 | Fry Warren C | Air-conditioning thermostat |
US7564250B2 (en) * | 2006-01-31 | 2009-07-21 | Onset Computer Corporation | Pulsed methods and systems for measuring the resistance of polarizing materials |
CN101286100A (zh) * | 2007-04-10 | 2008-10-15 | 鸿富锦精密工业(深圳)有限公司 | 触摸屏的控制装置和控制方法 |
DE102008025496A1 (de) * | 2008-05-28 | 2009-12-03 | BSH Bosch und Siemens Hausgeräte GmbH | Messanordnung zur Ermittlung einer Information über die Beladung eines Wäschetrockners |
EP3654028A1 (en) * | 2018-11-14 | 2020-05-20 | MEAS France | Relative humidity sensor device |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3547348A (en) * | 1969-02-20 | 1970-12-15 | Westinghouse Electric Corp | Humidity control system |
US3689907A (en) * | 1970-08-03 | 1972-09-05 | Robbins Aviat Inc | Dewpoint monitor |
US3710244A (en) * | 1971-01-11 | 1973-01-09 | G Rauchwerger | Capacitance probe for detecting moisture with very long cables |
US3957200A (en) * | 1975-02-20 | 1976-05-18 | Johnson, Controls, Inc. | Humidity controller |
US4092635A (en) * | 1976-09-20 | 1978-05-30 | Baxter Travenol Laboratories, Inc. | Humidity sensor alarm unit |
US4149231A (en) * | 1977-05-04 | 1979-04-10 | Bunker Ramo Corporation | Capacitance-to-voltage transformation circuit |
US4156268A (en) * | 1977-08-29 | 1979-05-22 | Longwood Machine Works, Inc. | Humidity sensing element and method of manufacture thereof |
US4161660A (en) * | 1977-08-31 | 1979-07-17 | Longwood Machine Works, Inc. | Apparatus for producing a time-proportioned control signal electronically |
-
1979
- 1979-03-12 JP JP2915179A patent/JPS55121145A/ja active Granted
-
1980
- 1980-03-12 GB GB8008388A patent/GB2045442B/en not_active Expired
-
1981
- 1981-11-05 US US06/318,552 patent/US4449188A/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0065019A1 (de) * | 1981-05-15 | 1982-11-24 | Bauer Kompressoren Gmbh | Verfahren zur Bestimmung des Sättigungsgrades einer zur Trocknung eines feuchten Gases geeigneten Trocknungspatrone und Vorrichtungen zur Durchführung des Verfahrens |
JPH07167U (ja) * | 1993-05-25 | 1995-01-06 | 赤目・香落・室生観光開発株式会社 | 鏡を用いた食器 |
Also Published As
Publication number | Publication date |
---|---|
GB2045442B (en) | 1983-11-23 |
GB2045442A (en) | 1980-10-29 |
US4449188A (en) | 1984-05-15 |
JPS6152424B2 (ja) | 1986-11-13 |
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