KR900017575U - Automatic control circuit of thermo-hygrostat - Google Patents

Automatic control circuit of thermo-hygrostat

Info

Publication number
KR900017575U
KR900017575U KR2019890002796U KR890002796U KR900017575U KR 900017575 U KR900017575 U KR 900017575U KR 2019890002796 U KR2019890002796 U KR 2019890002796U KR 890002796 U KR890002796 U KR 890002796U KR 900017575 U KR900017575 U KR 900017575U
Authority
KR
South Korea
Prior art keywords
hygrostat
thermo
control circuit
automatic control
automatic
Prior art date
Application number
KR2019890002796U
Other languages
Korean (ko)
Other versions
KR910005506Y1 (en
Inventor
홍정호
Original Assignee
홍정호
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 홍정호 filed Critical 홍정호
Priority to KR2019890002796U priority Critical patent/KR910005506Y1/en
Publication of KR900017575U publication Critical patent/KR900017575U/en
Application granted granted Critical
Publication of KR910005506Y1 publication Critical patent/KR910005506Y1/en

Links

Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D23/00—Control of temperature
    • G05D23/19—Control of temperature characterised by the use of electric means
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Air Conditioning Control Device (AREA)
KR2019890002796U 1989-03-13 1989-03-13 Constant temperature and humidity control circuit KR910005506Y1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2019890002796U KR910005506Y1 (en) 1989-03-13 1989-03-13 Constant temperature and humidity control circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2019890002796U KR910005506Y1 (en) 1989-03-13 1989-03-13 Constant temperature and humidity control circuit

Publications (2)

Publication Number Publication Date
KR900017575U true KR900017575U (en) 1990-10-05
KR910005506Y1 KR910005506Y1 (en) 1991-07-27

Family

ID=19284339

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019890002796U KR910005506Y1 (en) 1989-03-13 1989-03-13 Constant temperature and humidity control circuit

Country Status (1)

Country Link
KR (1) KR910005506Y1 (en)

Also Published As

Publication number Publication date
KR910005506Y1 (en) 1991-07-27

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Legal Events

Date Code Title Description
A201 Request for examination
NORF Unpaid initial registration fee