KR950021952U - Signal detection circuit in trunk unit of switchboard - Google Patents

Signal detection circuit in trunk unit of switchboard

Info

Publication number
KR950021952U
KR950021952U KR2019930029329U KR930029329U KR950021952U KR 950021952 U KR950021952 U KR 950021952U KR 2019930029329 U KR2019930029329 U KR 2019930029329U KR 930029329 U KR930029329 U KR 930029329U KR 950021952 U KR950021952 U KR 950021952U
Authority
KR
South Korea
Prior art keywords
switchboard
detection circuit
signal detection
trunk unit
trunk
Prior art date
Application number
KR2019930029329U
Other languages
Korean (ko)
Other versions
KR0116917Y1 (en
Inventor
박일
장영완
Original Assignee
엘지정보통신주식회사
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 엘지정보통신주식회사 filed Critical 엘지정보통신주식회사
Priority to KR2019930029329U priority Critical patent/KR0116917Y1/en
Publication of KR950021952U publication Critical patent/KR950021952U/en
Application granted granted Critical
Publication of KR0116917Y1 publication Critical patent/KR0116917Y1/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H04Q3/0016—Arrangements providing connection between exchanges
    • H04Q3/0025—Provisions for signalling
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/22—Arrangements for supervision, monitoring or testing

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Interface Circuits In Exchanges (AREA)
KR2019930029329U 1993-12-23 1993-12-23 Exchange trunk device KR0116917Y1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2019930029329U KR0116917Y1 (en) 1993-12-23 1993-12-23 Exchange trunk device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2019930029329U KR0116917Y1 (en) 1993-12-23 1993-12-23 Exchange trunk device

Publications (2)

Publication Number Publication Date
KR950021952U true KR950021952U (en) 1995-07-28
KR0116917Y1 KR0116917Y1 (en) 1998-06-01

Family

ID=19372377

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019930029329U KR0116917Y1 (en) 1993-12-23 1993-12-23 Exchange trunk device

Country Status (1)

Country Link
KR (1) KR0116917Y1 (en)

Also Published As

Publication number Publication date
KR0116917Y1 (en) 1998-06-01

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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
LAPS Lapse due to unpaid annual fee