DE2722410A1 - Einrichtung zur regelung eines elektrischen signals in abhaengigkeit von umgebungsbedingungen - Google Patents

Einrichtung zur regelung eines elektrischen signals in abhaengigkeit von umgebungsbedingungen

Info

Publication number
DE2722410A1
DE2722410A1 DE19772722410 DE2722410A DE2722410A1 DE 2722410 A1 DE2722410 A1 DE 2722410A1 DE 19772722410 DE19772722410 DE 19772722410 DE 2722410 A DE2722410 A DE 2722410A DE 2722410 A1 DE2722410 A1 DE 2722410A1
Authority
DE
Germany
Prior art keywords
signal
sensor
stage
output signal
detector
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.)
Ceased
Application number
DE19772722410
Other languages
German (de)
English (en)
Inventor
Ernest Dageford
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.)
Ardco Inc
Original Assignee
Ardco Inc
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 Ardco Inc filed Critical Ardco Inc
Publication of DE2722410A1 publication Critical patent/DE2722410A1/de
Ceased legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D22/00—Control of humidity
    • G05D22/02—Control of humidity characterised by the use of electric means
    • 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)
  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Automation & Control Theory (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)
  • Engineering & Computer Science (AREA)
  • Pathology (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Defrosting Systems (AREA)
  • Feedback Control In General (AREA)
  • Control Of Temperature (AREA)
  • Devices That Are Associated With Refrigeration Equipment (AREA)
  • Electronic Switches (AREA)
  • Dc-Dc Converters (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Paper (AREA)
DE19772722410 1976-09-01 1977-05-17 Einrichtung zur regelung eines elektrischen signals in abhaengigkeit von umgebungsbedingungen Ceased DE2722410A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US71980476A 1976-09-01 1976-09-01

Publications (1)

Publication Number Publication Date
DE2722410A1 true DE2722410A1 (de) 1978-03-02

Family

ID=24891430

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19772722410 Ceased DE2722410A1 (de) 1976-09-01 1977-05-17 Einrichtung zur regelung eines elektrischen signals in abhaengigkeit von umgebungsbedingungen

Country Status (12)

Country Link
JP (1) JPS5331077A (enExample)
AU (1) AU511762B2 (enExample)
BE (1) BE856120A (enExample)
CA (1) CA1083690A (enExample)
DE (1) DE2722410A1 (enExample)
DK (1) DK217777A (enExample)
FR (1) FR2363829A1 (enExample)
GB (1) GB1553751A (enExample)
IT (1) IT1079851B (enExample)
NL (1) NL7706262A (enExample)
NO (1) NO152957C (enExample)
SE (1) SE432015B (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1984004595A1 (fr) * 1983-05-15 1984-11-22 Thalmond Anstalt Detecteur d'humidite
EP0260662A3 (en) * 1986-09-17 1989-09-06 Johnson Service Company Apparatus for preventing condensation

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI831862A7 (fi) * 1983-05-25 1984-11-26 Itumic Oy Lämpötilan ja kosteuden säätömenetelmä.

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2041075A1 (de) * 1969-09-08 1971-03-11 Honeywell Inc Temperaturregeleinrichtung
US3696360A (en) * 1971-06-16 1972-10-03 Vapor Corp Impending condensation alarm
US3859502A (en) * 1974-02-11 1975-01-07 Anthony S Mfg Co Defrosting system for refrigerator doors

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2041075A1 (de) * 1969-09-08 1971-03-11 Honeywell Inc Temperaturregeleinrichtung
US3696360A (en) * 1971-06-16 1972-10-03 Vapor Corp Impending condensation alarm
US3859502A (en) * 1974-02-11 1975-01-07 Anthony S Mfg Co Defrosting system for refrigerator doors

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1984004595A1 (fr) * 1983-05-15 1984-11-22 Thalmond Anstalt Detecteur d'humidite
EP0260662A3 (en) * 1986-09-17 1989-09-06 Johnson Service Company Apparatus for preventing condensation

Also Published As

Publication number Publication date
FR2363829A1 (fr) 1978-03-31
AU511762B2 (en) 1980-09-04
NO152957B (no) 1985-09-09
JPS5331077A (en) 1978-03-23
BE856120A (enExample) 1977-10-17
FR2363829B1 (enExample) 1983-03-11
SE7705904L (sv) 1978-03-02
CA1083690A (en) 1980-08-12
IT1079851B (it) 1985-05-13
NL7706262A (nl) 1978-03-03
DK217777A (da) 1978-03-02
GB1553751A (en) 1979-09-26
NO152957C (no) 1985-12-18
NO771760L (no) 1978-03-02
AU2551277A (en) 1978-11-30
SE432015B (sv) 1984-03-12

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Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
8131 Rejection