KR940018279U - 전화선 부가장치의 선로이상판단회로 - Google Patents

전화선 부가장치의 선로이상판단회로

Info

Publication number
KR940018279U
KR940018279U KR2019920025492U KR920025492U KR940018279U KR 940018279 U KR940018279 U KR 940018279U KR 2019920025492 U KR2019920025492 U KR 2019920025492U KR 920025492 U KR920025492 U KR 920025492U KR 940018279 U KR940018279 U KR 940018279U
Authority
KR
South Korea
Prior art keywords
line
judgment circuit
abnormality judgment
attachment
telephone line
Prior art date
Application number
KR2019920025492U
Other languages
English (en)
Other versions
KR0122319Y1 (ko
Inventor
김대우
Original Assignee
엘지산전주식회사
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 엘지산전주식회사 filed Critical 엘지산전주식회사
Priority to KR92025492U priority Critical patent/KR0122319Y1/ko
Publication of KR940018279U publication Critical patent/KR940018279U/ko
Application granted granted Critical
Publication of KR0122319Y1 publication Critical patent/KR0122319Y1/ko

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/24—Arrangements for testing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M2201/00—Electronic components, circuits, software, systems or apparatus used in telephone systems
    • H04M2201/38—Displays

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Telephonic Communication Services (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
KR92025492U 1992-12-15 1992-12-15 전화선 부가장치의 선로이상판단회로 KR0122319Y1 (ko)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR92025492U KR0122319Y1 (ko) 1992-12-15 1992-12-15 전화선 부가장치의 선로이상판단회로

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR92025492U KR0122319Y1 (ko) 1992-12-15 1992-12-15 전화선 부가장치의 선로이상판단회로

Publications (2)

Publication Number Publication Date
KR940018279U true KR940018279U (ko) 1994-07-30
KR0122319Y1 KR0122319Y1 (ko) 1998-08-01

Family

ID=19346661

Family Applications (1)

Application Number Title Priority Date Filing Date
KR92025492U KR0122319Y1 (ko) 1992-12-15 1992-12-15 전화선 부가장치의 선로이상판단회로

Country Status (1)

Country Link
KR (1) KR0122319Y1 (ko)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102171848B1 (ko) * 2020-01-22 2020-10-30 대한민국 음력전화기 회로 검사기

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102171848B1 (ko) * 2020-01-22 2020-10-30 대한민국 음력전화기 회로 검사기

Also Published As

Publication number Publication date
KR0122319Y1 (ko) 1998-08-01

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