KR910001786U - 전화기에 있어서 과전압 보호회로 - Google Patents

전화기에 있어서 과전압 보호회로

Info

Publication number
KR910001786U
KR910001786U KR2019890009015U KR890009015U KR910001786U KR 910001786 U KR910001786 U KR 910001786U KR 2019890009015 U KR2019890009015 U KR 2019890009015U KR 890009015 U KR890009015 U KR 890009015U KR 910001786 U KR910001786 U KR 910001786U
Authority
KR
South Korea
Prior art keywords
telephone
protection circuit
overvoltage protection
overvoltage
circuit
Prior art date
Application number
KR2019890009015U
Other languages
English (en)
Other versions
KR920001282Y1 (ko
Inventor
이동성
Original Assignee
삼성전자 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 삼성전자 주식회사 filed Critical 삼성전자 주식회사
Priority to KR2019890009015U priority Critical patent/KR920001282Y1/ko
Publication of KR910001786U publication Critical patent/KR910001786U/ko
Application granted granted Critical
Publication of KR920001282Y1 publication Critical patent/KR920001282Y1/ko

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/738—Interface circuits for coupling substations to external telephone lines
    • H04M1/74—Interface circuits for coupling substations to external telephone lines with means for reducing interference; with means for reducing effects due to line faults
    • H04M1/745—Protection devices or circuits for voltages surges on the line
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M2201/00—Electronic components, circuits, software, systems or apparatus used in telephone systems
    • H04M2201/02—Diodes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M2201/00—Electronic components, circuits, software, systems or apparatus used in telephone systems
    • H04M2201/04—Transistors
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M2201/00—Electronic components, circuits, software, systems or apparatus used in telephone systems
    • H04M2201/80—Electronic components, circuits, software, systems or apparatus used in telephone systems line protection circuits such as current or overvoltage protection circuits

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Protection Of Static Devices (AREA)
KR2019890009015U 1989-06-28 1989-06-28 전화기에 있어서 과전압 보호회로 KR920001282Y1 (ko)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2019890009015U KR920001282Y1 (ko) 1989-06-28 1989-06-28 전화기에 있어서 과전압 보호회로

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2019890009015U KR920001282Y1 (ko) 1989-06-28 1989-06-28 전화기에 있어서 과전압 보호회로

Publications (2)

Publication Number Publication Date
KR910001786U true KR910001786U (ko) 1991-01-25
KR920001282Y1 KR920001282Y1 (ko) 1992-02-20

Family

ID=19287545

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019890009015U KR920001282Y1 (ko) 1989-06-28 1989-06-28 전화기에 있어서 과전압 보호회로

Country Status (1)

Country Link
KR (1) KR920001282Y1 (ko)

Also Published As

Publication number Publication date
KR920001282Y1 (ko) 1992-02-20

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