KR880020760U - DC power supply circuit of telephone - Google Patents

DC power supply circuit of telephone

Info

Publication number
KR880020760U
KR880020760U KR2019870006018U KR870006018U KR880020760U KR 880020760 U KR880020760 U KR 880020760U KR 2019870006018 U KR2019870006018 U KR 2019870006018U KR 870006018 U KR870006018 U KR 870006018U KR 880020760 U KR880020760 U KR 880020760U
Authority
KR
South Korea
Prior art keywords
telephone
power supply
supply circuit
circuit
power
Prior art date
Application number
KR2019870006018U
Other languages
Korean (ko)
Other versions
KR900002479Y1 (en
Inventor
이근태
최윤근
박영환
Original Assignee
동양정밀공업주식회사
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 동양정밀공업주식회사 filed Critical 동양정밀공업주식회사
Priority to KR2019870006018U priority Critical patent/KR900002479Y1/en
Publication of KR880020760U publication Critical patent/KR880020760U/en
Application granted granted Critical
Publication of KR900002479Y1 publication Critical patent/KR900002479Y1/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M19/00—Current supply arrangements for telephone systems
    • H04M19/08—Current supply arrangements for telephone systems with current supply sources at the substations
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M19/00—Current supply arrangements for telephone systems
    • H04M19/001—Current supply source at the exchanger providing current to substations

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Devices For Supply Of Signal Current (AREA)
KR2019870006018U 1987-04-24 1987-04-24 Telephone d.c. source feeding circuit KR900002479Y1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2019870006018U KR900002479Y1 (en) 1987-04-24 1987-04-24 Telephone d.c. source feeding circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2019870006018U KR900002479Y1 (en) 1987-04-24 1987-04-24 Telephone d.c. source feeding circuit

Publications (2)

Publication Number Publication Date
KR880020760U true KR880020760U (en) 1988-11-30
KR900002479Y1 KR900002479Y1 (en) 1990-03-26

Family

ID=19262105

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019870006018U KR900002479Y1 (en) 1987-04-24 1987-04-24 Telephone d.c. source feeding circuit

Country Status (1)

Country Link
KR (1) KR900002479Y1 (en)

Also Published As

Publication number Publication date
KR900002479Y1 (en) 1990-03-26

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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: 19960619

Year of fee payment: 7

LAPS Lapse due to unpaid annual fee