KR850005513U - 자동전화 응답기의 자동 임피던스 전환회로 - Google Patents

자동전화 응답기의 자동 임피던스 전환회로

Info

Publication number
KR850005513U
KR850005513U KR2019830010204U KR830010204U KR850005513U KR 850005513 U KR850005513 U KR 850005513U KR 2019830010204 U KR2019830010204 U KR 2019830010204U KR 830010204 U KR830010204 U KR 830010204U KR 850005513 U KR850005513 U KR 850005513U
Authority
KR
South Korea
Prior art keywords
switching circuit
answering machine
impedance switching
automatic impedance
automatic
Prior art date
Application number
KR2019830010204U
Other languages
English (en)
Other versions
KR850002665Y1 (ko
Inventor
이창우
Original Assignee
대우전자주식회사
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 대우전자주식회사 filed Critical 대우전자주식회사
Priority to KR2019830010204U priority Critical patent/KR850002665Y1/ko
Publication of KR850005513U publication Critical patent/KR850005513U/ko
Application granted granted Critical
Publication of KR850002665Y1 publication Critical patent/KR850002665Y1/ko

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/738—Interface circuits for coupling substations to external telephone lines
    • H04M1/76—Compensating for differences in line impedance
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/64—Automatic arrangements for answering calls; Automatic arrangements for recording messages for absent subscribers; Arrangements for recording conversations

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Devices For Supply Of Signal Current (AREA)
KR2019830010204U 1983-12-01 1983-12-01 자동전화 응답기의 자동 임피던스 전환회로 KR850002665Y1 (ko)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2019830010204U KR850002665Y1 (ko) 1983-12-01 1983-12-01 자동전화 응답기의 자동 임피던스 전환회로

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2019830010204U KR850002665Y1 (ko) 1983-12-01 1983-12-01 자동전화 응답기의 자동 임피던스 전환회로

Publications (2)

Publication Number Publication Date
KR850005513U true KR850005513U (ko) 1985-08-10
KR850002665Y1 KR850002665Y1 (ko) 1985-11-04

Family

ID=70160100

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019830010204U KR850002665Y1 (ko) 1983-12-01 1983-12-01 자동전화 응답기의 자동 임피던스 전환회로

Country Status (1)

Country Link
KR (1) KR850002665Y1 (ko)

Also Published As

Publication number Publication date
KR850002665Y1 (ko) 1985-11-04

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