KR870001273U - Lightning protection device for communication line - Google Patents

Lightning protection device for communication line

Info

Publication number
KR870001273U
KR870001273U KR2019850006875U KR850006875U KR870001273U KR 870001273 U KR870001273 U KR 870001273U KR 2019850006875 U KR2019850006875 U KR 2019850006875U KR 850006875 U KR850006875 U KR 850006875U KR 870001273 U KR870001273 U KR 870001273U
Authority
KR
South Korea
Prior art keywords
protection device
communication line
lightning protection
lightning
communication
Prior art date
Application number
KR2019850006875U
Other languages
Korean (ko)
Other versions
KR880002749Y1 (en
Inventor
김기용
Original Assignee
경문공업 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 경문공업 주식회사 filed Critical 경문공업 주식회사
Priority to KR2019850006875U priority Critical patent/KR880002749Y1/en
Publication of KR870001273U publication Critical patent/KR870001273U/en
Application granted granted Critical
Publication of KR880002749Y1 publication Critical patent/KR880002749Y1/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/18—Automatic or semi-automatic exchanges with means for reducing interference or noise; with means for reducing effects due to line faults with means for protecting lines
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01T—SPARK GAPS; OVERVOLTAGE ARRESTERS USING SPARK GAPS; SPARKING PLUGS; CORONA DEVICES; GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES
    • H01T4/00—Overvoltage arresters using spark gaps
    • H01T4/08—Overvoltage arresters using spark gaps structurally associated with protected apparatus
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01T—SPARK GAPS; OVERVOLTAGE ARRESTERS USING SPARK GAPS; SPARKING PLUGS; CORONA DEVICES; GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES
    • H01T4/00—Overvoltage arresters using spark gaps
    • H01T4/10—Overvoltage arresters using spark gaps having a single gap or a plurality of gaps in parallel

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Emergency Protection Circuit Devices (AREA)
KR2019850006875U 1985-06-10 1985-06-10 The lighting security for communication line KR880002749Y1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2019850006875U KR880002749Y1 (en) 1985-06-10 1985-06-10 The lighting security for communication line

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2019850006875U KR880002749Y1 (en) 1985-06-10 1985-06-10 The lighting security for communication line

Publications (2)

Publication Number Publication Date
KR870001273U true KR870001273U (en) 1987-02-20
KR880002749Y1 KR880002749Y1 (en) 1988-07-27

Family

ID=19242783

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019850006875U KR880002749Y1 (en) 1985-06-10 1985-06-10 The lighting security for communication line

Country Status (1)

Country Link
KR (1) KR880002749Y1 (en)

Also Published As

Publication number Publication date
KR880002749Y1 (en) 1988-07-27

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Legal Events

Date Code Title Description
A201 Request for examination
E902 Notification of reason for refusal
E701 Decision to grant or registration of patent right
NORF Unpaid initial registration fee