KR910016019U - 전화 선로상의 신호음 검출회로 - Google Patents

전화 선로상의 신호음 검출회로

Info

Publication number
KR910016019U
KR910016019U KR2019900002217U KR900002217U KR910016019U KR 910016019 U KR910016019 U KR 910016019U KR 2019900002217 U KR2019900002217 U KR 2019900002217U KR 900002217 U KR900002217 U KR 900002217U KR 910016019 U KR910016019 U KR 910016019U
Authority
KR
South Korea
Prior art keywords
detection circuit
signal detection
telephone line
telephone
signal
Prior art date
Application number
KR2019900002217U
Other languages
English (en)
Other versions
KR950010386Y1 (ko
Inventor
이재권
Original Assignee
Lg통신 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 Lg통신 주식회사 filed Critical Lg통신 주식회사
Priority to KR2019900002217U priority Critical patent/KR950010386Y1/ko
Publication of KR910016019U publication Critical patent/KR910016019U/ko
Application granted granted Critical
Publication of KR950010386Y1 publication Critical patent/KR950010386Y1/ko

Links

Classifications

    • 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)
KR2019900002217U 1990-02-28 1990-02-28 전화 선로상의 신호음 검출회로 KR950010386Y1 (ko)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2019900002217U KR950010386Y1 (ko) 1990-02-28 1990-02-28 전화 선로상의 신호음 검출회로

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2019900002217U KR950010386Y1 (ko) 1990-02-28 1990-02-28 전화 선로상의 신호음 검출회로

Publications (2)

Publication Number Publication Date
KR910016019U true KR910016019U (ko) 1991-09-25
KR950010386Y1 KR950010386Y1 (ko) 1995-12-11

Family

ID=19296305

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019900002217U KR950010386Y1 (ko) 1990-02-28 1990-02-28 전화 선로상의 신호음 검출회로

Country Status (1)

Country Link
KR (1) KR950010386Y1 (ko)

Also Published As

Publication number Publication date
KR950010386Y1 (ko) 1995-12-11

Similar Documents

Publication Publication Date Title
DE69125433D1 (de) Videosignalverarbeitungsschaltung
DE69315731D1 (de) Signalerkennungsschaltung
DE69108904D1 (de) Signalverarbeitungsschaltung.
DE69118239D1 (de) Pegel-Erkennungsschaltung
DE69121732D1 (de) Bildsignalverarbeitungsschaltung
KR910016019U (ko) 전화 선로상의 신호음 검출회로
KR920001231U (ko) 다중모니터의 모드신호 검출회로
FI915711A0 (fi) Telefonens signalmaskinskrets.
KR920015961U (ko) 전화요금 계산신호 감지회로
KR930016879U (ko) 링백톤 신호 검출회로
KR950028888U (ko) 전화선로 링 신호 검출회로
KR930016813U (ko) 래칭 루프백 신호 검출 회로
KR950001908U (ko) 전화선 단락 감지회로
KR920015915U (ko) Pcm 신호 접속회로의 감지장치
KR930001640U (ko) 신호레벨 판별회로
KR940018293U (ko) 전화기 접속회로에서의 링 신호 연결장치
KR950010335U (ko) 신호의 경계 특성 검출회로
KR940023213U (ko) 전화선 단락감지회로
KR960019400U (ko) 동기 신호 검출 회로
KR930016771U (ko) 에이직(asic)의 신호 디버깅 회로
KR890005806U (ko) 국선 감지회로
KR910016003U (ko) 벨신호 감지장치
KR940021426U (ko) 디지탈신호 감쇄회로
KR930022508U (ko) 전화착신 검출회로
KR910017237U (ko) 데이타 감지회로

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: 19971229

Year of fee payment: 4

LAPS Lapse due to unpaid annual fee