KR890011908U - 전화전로 제어기 - Google Patents

전화전로 제어기

Info

Publication number
KR890011908U
KR890011908U KR2019870019681U KR870019681U KR890011908U KR 890011908 U KR890011908 U KR 890011908U KR 2019870019681 U KR2019870019681 U KR 2019870019681U KR 870019681 U KR870019681 U KR 870019681U KR 890011908 U KR890011908 U KR 890011908U
Authority
KR
South Korea
Prior art keywords
telephone line
line controller
controller
telephone
line
Prior art date
Application number
KR2019870019681U
Other languages
English (en)
Other versions
KR900006606Y1 (ko
Inventor
진도성
Original Assignee
김지해
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 김지해 filed Critical 김지해
Priority to KR2019870019681U priority Critical patent/KR900006606Y1/ko
Publication of KR890011908U publication Critical patent/KR890011908U/ko
Application granted granted Critical
Publication of KR900006606Y1 publication Critical patent/KR900006606Y1/ko

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/22—Arrangements for supervision, monitoring or testing
    • H04M3/26—Arrangements for supervision, monitoring or testing with means for applying test signals or for measuring
    • H04M3/28—Automatic routine testing ; Fault testing; Installation testing; Test methods, test equipment or test arrangements therefor
    • H04M3/30—Automatic routine testing ; Fault testing; Installation testing; Test methods, test equipment or test arrangements therefor for subscriber's lines, for the local loop
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M2203/00—Aspects of automatic or semi-automatic exchanges
    • H04M2203/05—Aspects of automatic or semi-automatic exchanges related to OAM&P

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
KR2019870019681U 1987-11-13 1987-11-13 전화전로 제어기 KR900006606Y1 (ko)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2019870019681U KR900006606Y1 (ko) 1987-11-13 1987-11-13 전화전로 제어기

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2019870019681U KR900006606Y1 (ko) 1987-11-13 1987-11-13 전화전로 제어기

Publications (2)

Publication Number Publication Date
KR890011908U true KR890011908U (ko) 1989-07-15
KR900006606Y1 KR900006606Y1 (ko) 1990-07-26

Family

ID=19269431

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019870019681U KR900006606Y1 (ko) 1987-11-13 1987-11-13 전화전로 제어기

Country Status (1)

Country Link
KR (1) KR900006606Y1 (ko)

Also Published As

Publication number Publication date
KR900006606Y1 (ko) 1990-07-26

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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: 20010727

Year of fee payment: 12

LAPS Lapse due to unpaid annual fee