KR970047870U - 자동 전화통보기의 링백신호 검출회로 - Google Patents

자동 전화통보기의 링백신호 검출회로

Info

Publication number
KR970047870U
KR970047870U KR2019950041989U KR19950041989U KR970047870U KR 970047870 U KR970047870 U KR 970047870U KR 2019950041989 U KR2019950041989 U KR 2019950041989U KR 19950041989 U KR19950041989 U KR 19950041989U KR 970047870 U KR970047870 U KR 970047870U
Authority
KR
South Korea
Prior art keywords
detection circuit
signal detection
automatic telephone
telephone dialer
ringback signal
Prior art date
Application number
KR2019950041989U
Other languages
English (en)
Other versions
KR0128556Y1 (ko
Inventor
민이규
Original Assignee
삼성전기주식회사
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 삼성전기주식회사 filed Critical 삼성전기주식회사
Priority to KR2019950041989U priority Critical patent/KR0128556Y1/ko
Publication of KR970047870U publication Critical patent/KR970047870U/ko
Application granted granted Critical
Publication of KR0128556Y1 publication Critical patent/KR0128556Y1/ko

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/82—Line monitoring circuits for call progress or status discrimination
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M11/00—Telephonic communication systems specially adapted for combination with other electrical systems
    • H04M11/04—Telephonic communication systems specially adapted for combination with other electrical systems with alarm systems, e.g. fire, police or burglar alarm systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Telephonic Communication Services (AREA)
KR2019950041989U 1995-12-15 1995-12-15 자동 전화통보기의 링백신호 검출회로 KR0128556Y1 (ko)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2019950041989U KR0128556Y1 (ko) 1995-12-15 1995-12-15 자동 전화통보기의 링백신호 검출회로

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2019950041989U KR0128556Y1 (ko) 1995-12-15 1995-12-15 자동 전화통보기의 링백신호 검출회로

Publications (2)

Publication Number Publication Date
KR970047870U true KR970047870U (ko) 1997-07-31
KR0128556Y1 KR0128556Y1 (ko) 1998-11-02

Family

ID=19434538

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019950041989U KR0128556Y1 (ko) 1995-12-15 1995-12-15 자동 전화통보기의 링백신호 검출회로

Country Status (1)

Country Link
KR (1) KR0128556Y1 (ko)

Also Published As

Publication number Publication date
KR0128556Y1 (ko) 1998-11-02

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