KR860004398U - 홈 키폰(Home Keyphone)의 대기음악 송출회로 - Google Patents

홈 키폰(Home Keyphone)의 대기음악 송출회로

Info

Publication number
KR860004398U
KR860004398U KR2019840008817U KR840008817U KR860004398U KR 860004398 U KR860004398 U KR 860004398U KR 2019840008817 U KR2019840008817 U KR 2019840008817U KR 840008817 U KR840008817 U KR 840008817U KR 860004398 U KR860004398 U KR 860004398U
Authority
KR
South Korea
Prior art keywords
keyphone
home
transmission circuit
music transmission
waiting music
Prior art date
Application number
KR2019840008817U
Other languages
English (en)
Other versions
KR860002227Y1 (ko
Inventor
이근우
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 KR2019840008817U priority Critical patent/KR860002227Y1/ko
Publication of KR860004398U publication Critical patent/KR860004398U/ko
Application granted granted Critical
Publication of KR860002227Y1 publication Critical patent/KR860002227Y1/ko

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/60—Substation equipment, e.g. for use by subscribers including speech amplifiers
    • H04M1/6008—Substation equipment, e.g. for use by subscribers including speech amplifiers in the transmitter circuit
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/71—Substation extension arrangements
    • H04M1/715—Substation extension arrangements using two or more extensions per line
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M2201/00—Electronic components, circuits, software, systems or apparatus used in telephone systems
    • H04M2201/02—Diodes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M2201/00—Electronic components, circuits, software, systems or apparatus used in telephone systems
    • H04M2201/04—Transistors
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M2201/00—Electronic components, circuits, software, systems or apparatus used in telephone systems
    • H04M2201/10—Logic circuits

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)
KR2019840008817U 1984-09-07 1984-09-07 홈 키폰(Home Keyphone)의 대기음악 송출회로 KR860002227Y1 (ko)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2019840008817U KR860002227Y1 (ko) 1984-09-07 1984-09-07 홈 키폰(Home Keyphone)의 대기음악 송출회로

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2019840008817U KR860002227Y1 (ko) 1984-09-07 1984-09-07 홈 키폰(Home Keyphone)의 대기음악 송출회로

Publications (2)

Publication Number Publication Date
KR860004398U true KR860004398U (ko) 1986-05-01
KR860002227Y1 KR860002227Y1 (ko) 1986-09-13

Family

ID=70161550

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019840008817U KR860002227Y1 (ko) 1984-09-07 1984-09-07 홈 키폰(Home Keyphone)의 대기음악 송출회로

Country Status (1)

Country Link
KR (1) KR860002227Y1 (ko)

Also Published As

Publication number Publication date
KR860002227Y1 (ko) 1986-09-13

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