KR890014903U - Negative potential overvoltage protection circuit - Google Patents

Negative potential overvoltage protection circuit

Info

Publication number
KR890014903U
KR890014903U KR2019870024403U KR870024403U KR890014903U KR 890014903 U KR890014903 U KR 890014903U KR 2019870024403 U KR2019870024403 U KR 2019870024403U KR 870024403 U KR870024403 U KR 870024403U KR 890014903 U KR890014903 U KR 890014903U
Authority
KR
South Korea
Prior art keywords
protection circuit
overvoltage protection
negative potential
potential overvoltage
negative
Prior art date
Application number
KR2019870024403U
Other languages
Korean (ko)
Other versions
KR930001378Y1 (en
Inventor
오용희
Original Assignee
주식회사 금성사
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 주식회사 금성사 filed Critical 주식회사 금성사
Priority to KR2019870024403U priority Critical patent/KR930001378Y1/en
Publication of KR890014903U publication Critical patent/KR890014903U/en
Application granted granted Critical
Publication of KR930001378Y1 publication Critical patent/KR930001378Y1/en

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H9/00—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
    • H02H9/04—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess voltage
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H9/00—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
    • H02H9/008—Intrinsically safe circuits
KR2019870024403U 1987-12-31 1987-12-31 Overvoltage protect circuit KR930001378Y1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2019870024403U KR930001378Y1 (en) 1987-12-31 1987-12-31 Overvoltage protect circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2019870024403U KR930001378Y1 (en) 1987-12-31 1987-12-31 Overvoltage protect circuit

Publications (2)

Publication Number Publication Date
KR890014903U true KR890014903U (en) 1989-08-11
KR930001378Y1 KR930001378Y1 (en) 1993-03-27

Family

ID=19271260

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019870024403U KR930001378Y1 (en) 1987-12-31 1987-12-31 Overvoltage protect circuit

Country Status (1)

Country Link
KR (1) KR930001378Y1 (en)

Also Published As

Publication number Publication date
KR930001378Y1 (en) 1993-03-27

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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: 19981216

Year of fee payment: 7

LAPS Lapse due to unpaid annual fee