KR960038916U - Ring relay driving circuit of ring board for electronic exchanger - Google Patents

Ring relay driving circuit of ring board for electronic exchanger

Info

Publication number
KR960038916U
KR960038916U KR2019950010416U KR19950010416U KR960038916U KR 960038916 U KR960038916 U KR 960038916U KR 2019950010416 U KR2019950010416 U KR 2019950010416U KR 19950010416 U KR19950010416 U KR 19950010416U KR 960038916 U KR960038916 U KR 960038916U
Authority
KR
South Korea
Prior art keywords
ring
driving circuit
relay driving
electronic exchanger
board
Prior art date
Application number
KR2019950010416U
Other languages
Korean (ko)
Other versions
KR200157688Y1 (en
Inventor
이승덕
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 KR2019950010416U priority Critical patent/KR200157688Y1/en
Publication of KR960038916U publication Critical patent/KR960038916U/en
Application granted granted Critical
Publication of KR200157688Y1 publication Critical patent/KR200157688Y1/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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M19/00—Current supply arrangements for telephone systems
    • H04M19/02—Current supply arrangements for telephone systems providing ringing current or supervisory tones, e.g. dialling tone or busy tone

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Interface Circuits In Exchanges (AREA)
KR2019950010416U 1995-05-16 1995-05-16 Ring relay driving circuit of ring board KR200157688Y1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2019950010416U KR200157688Y1 (en) 1995-05-16 1995-05-16 Ring relay driving circuit of ring board

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2019950010416U KR200157688Y1 (en) 1995-05-16 1995-05-16 Ring relay driving circuit of ring board

Publications (2)

Publication Number Publication Date
KR960038916U true KR960038916U (en) 1996-12-18
KR200157688Y1 KR200157688Y1 (en) 1999-10-01

Family

ID=19413319

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019950010416U KR200157688Y1 (en) 1995-05-16 1995-05-16 Ring relay driving circuit of ring board

Country Status (1)

Country Link
KR (1) KR200157688Y1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100475378B1 (en) * 2000-10-17 2005-03-10 엘지전자 주식회사 Control unit for ring relay of FXS

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100475378B1 (en) * 2000-10-17 2005-03-10 엘지전자 주식회사 Control unit for ring relay of FXS

Also Published As

Publication number Publication date
KR200157688Y1 (en) 1999-10-01

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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
FPAY Annual fee payment

Payment date: 20030529

Year of fee payment: 5

LAPS Lapse due to unpaid annual fee