KR900011223A - Line interface circuit of private exchange - Google Patents

Line interface circuit of private exchange

Info

Publication number
KR900011223A
KR900011223A KR1019880016649A KR880016649A KR900011223A KR 900011223 A KR900011223 A KR 900011223A KR 1019880016649 A KR1019880016649 A KR 1019880016649A KR 880016649 A KR880016649 A KR 880016649A KR 900011223 A KR900011223 A KR 900011223A
Authority
KR
South Korea
Prior art keywords
interface circuit
line interface
private exchange
private
exchange
Prior art date
Application number
KR1019880016649A
Other languages
Korean (ko)
Other versions
KR920000999B1 (en
Inventor
민경화
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 KR1019880016649A priority Critical patent/KR920000999B1/en
Publication of KR900011223A publication Critical patent/KR900011223A/en
Application granted granted Critical
Publication of KR920000999B1 publication Critical patent/KR920000999B1/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/02—Calling substations, e.g. by ringing

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Interface Circuits In Exchanges (AREA)
KR1019880016649A 1988-12-14 1988-12-14 Pabx interface circuit KR920000999B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019880016649A KR920000999B1 (en) 1988-12-14 1988-12-14 Pabx interface circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019880016649A KR920000999B1 (en) 1988-12-14 1988-12-14 Pabx interface circuit

Publications (2)

Publication Number Publication Date
KR900011223A true KR900011223A (en) 1990-07-11
KR920000999B1 KR920000999B1 (en) 1992-02-01

Family

ID=19280146

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019880016649A KR920000999B1 (en) 1988-12-14 1988-12-14 Pabx interface circuit

Country Status (1)

Country Link
KR (1) KR920000999B1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100309439B1 (en) * 2000-01-07 2001-11-03 윤종용 Apparatus and Method of gain control of call TASK in PABX

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100309439B1 (en) * 2000-01-07 2001-11-03 윤종용 Apparatus and Method of gain control of call TASK in PABX

Also Published As

Publication number Publication date
KR920000999B1 (en) 1992-02-01

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Legal Events

Date Code Title Description
A201 Request for examination
E902 Notification of reason for refusal
G160 Decision to publish patent application
E701 Decision to grant or registration of patent right
GRNT Written decision to grant
FPAY Annual fee payment

Payment date: 20070115

Year of fee payment: 16

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