KR870012790U - 키폰시스템에 있어서 긴급전달 및 긴급통화기능과 모뎀 구성회로 - Google Patents

키폰시스템에 있어서 긴급전달 및 긴급통화기능과 모뎀 구성회로

Info

Publication number
KR870012790U
KR870012790U KR2019860001013U KR860001013U KR870012790U KR 870012790 U KR870012790 U KR 870012790U KR 2019860001013 U KR2019860001013 U KR 2019860001013U KR 860001013 U KR860001013 U KR 860001013U KR 870012790 U KR870012790 U KR 870012790U
Authority
KR
South Korea
Prior art keywords
emergency
phone system
call function
configuration circuit
key phone
Prior art date
Application number
KR2019860001013U
Other languages
English (en)
Other versions
KR890001046Y1 (ko
Inventor
오영출
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 KR2019860001013U priority Critical patent/KR890001046Y1/ko
Publication of KR870012790U publication Critical patent/KR870012790U/ko
Application granted granted Critical
Publication of KR890001046Y1 publication Critical patent/KR890001046Y1/ko

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/42—Systems providing special services or facilities to subscribers

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)
KR2019860001013U 1986-01-31 1986-01-31 키폰시스템에 있어서 긴급전달 및 긴급통화기능과 모뎀 구성회로 KR890001046Y1 (ko)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2019860001013U KR890001046Y1 (ko) 1986-01-31 1986-01-31 키폰시스템에 있어서 긴급전달 및 긴급통화기능과 모뎀 구성회로

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2019860001013U KR890001046Y1 (ko) 1986-01-31 1986-01-31 키폰시스템에 있어서 긴급전달 및 긴급통화기능과 모뎀 구성회로

Publications (2)

Publication Number Publication Date
KR870012790U true KR870012790U (ko) 1987-08-05
KR890001046Y1 KR890001046Y1 (ko) 1989-03-28

Family

ID=19248433

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019860001013U KR890001046Y1 (ko) 1986-01-31 1986-01-31 키폰시스템에 있어서 긴급전달 및 긴급통화기능과 모뎀 구성회로

Country Status (1)

Country Link
KR (1) KR890001046Y1 (ko)

Also Published As

Publication number Publication date
KR890001046Y1 (ko) 1989-03-28

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