KR900017576U - Temperature control circuit of electric furnace - Google Patents

Temperature control circuit of electric furnace

Info

Publication number
KR900017576U
KR900017576U KR2019890002911U KR890002911U KR900017576U KR 900017576 U KR900017576 U KR 900017576U KR 2019890002911 U KR2019890002911 U KR 2019890002911U KR 890002911 U KR890002911 U KR 890002911U KR 900017576 U KR900017576 U KR 900017576U
Authority
KR
South Korea
Prior art keywords
control circuit
temperature control
electric furnace
furnace
electric
Prior art date
Application number
KR2019890002911U
Other languages
Korean (ko)
Other versions
KR930005139Y1 (en
Inventor
조충형
Original Assignee
금성일렉트론 주식회사
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 금성일렉트론 주식회사 filed Critical 금성일렉트론 주식회사
Priority to KR2019890002911U priority Critical patent/KR930005139Y1/en
Publication of KR900017576U publication Critical patent/KR900017576U/en
Application granted granted Critical
Publication of KR930005139Y1 publication Critical patent/KR930005139Y1/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
    • G05D23/20—Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature
    • G05D23/24—Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature the sensing element having a resistance varying with temperature, e.g. a thermistor
KR2019890002911U 1989-03-15 1989-03-15 Temperature control circuit of electric furnace KR930005139Y1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2019890002911U KR930005139Y1 (en) 1989-03-15 1989-03-15 Temperature control circuit of electric furnace

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2019890002911U KR930005139Y1 (en) 1989-03-15 1989-03-15 Temperature control circuit of electric furnace

Publications (2)

Publication Number Publication Date
KR900017576U true KR900017576U (en) 1990-10-05
KR930005139Y1 KR930005139Y1 (en) 1993-08-09

Family

ID=19284396

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019890002911U KR930005139Y1 (en) 1989-03-15 1989-03-15 Temperature control circuit of electric furnace

Country Status (1)

Country Link
KR (1) KR930005139Y1 (en)

Also Published As

Publication number Publication date
KR930005139Y1 (en) 1993-08-09

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Legal Events

Date Code Title Description
A201 Request for examination
E701 Decision to grant or registration of patent right
REGI Registration of establishment
FPAY Annual fee payment

Payment date: 20030128

Year of fee payment: 11

EXPY Expiration of term