KR870012789U - 링신호 검출회로 - Google Patents

링신호 검출회로

Info

Publication number
KR870012789U
KR870012789U KR2019860000918U KR860000918U KR870012789U KR 870012789 U KR870012789 U KR 870012789U KR 2019860000918 U KR2019860000918 U KR 2019860000918U KR 860000918 U KR860000918 U KR 860000918U KR 870012789 U KR870012789 U KR 870012789U
Authority
KR
South Korea
Prior art keywords
detection circuit
signal detection
ring signal
ring
circuit
Prior art date
Application number
KR2019860000918U
Other languages
English (en)
Other versions
KR890001045Y1 (ko
Inventor
강대선
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 KR2019860000918U priority Critical patent/KR890001045Y1/ko
Publication of KR870012789U publication Critical patent/KR870012789U/ko
Application granted granted Critical
Publication of KR890001045Y1 publication Critical patent/KR890001045Y1/ko

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/22—Arrangements for supervision, monitoring or testing
    • H04M3/2272—Subscriber line supervision circuits, e.g. call detection circuits

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Interface Circuits In Exchanges (AREA)
KR2019860000918U 1986-01-29 1986-01-29 링신호 검출회로 KR890001045Y1 (ko)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2019860000918U KR890001045Y1 (ko) 1986-01-29 1986-01-29 링신호 검출회로

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2019860000918U KR890001045Y1 (ko) 1986-01-29 1986-01-29 링신호 검출회로

Publications (2)

Publication Number Publication Date
KR870012789U true KR870012789U (ko) 1987-08-05
KR890001045Y1 KR890001045Y1 (ko) 1989-03-28

Family

ID=19248389

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019860000918U KR890001045Y1 (ko) 1986-01-29 1986-01-29 링신호 검출회로

Country Status (1)

Country Link
KR (1) KR890001045Y1 (ko)

Also Published As

Publication number Publication date
KR890001045Y1 (ko) 1989-03-28

Similar Documents

Publication Publication Date Title
DE3750329D1 (de) Signalausleseschaltung.
FR2535568B1 (fr) Circuit de detection de signal
DE3674418D1 (de) Signalerkennungsschaltung.
KR880008513A (ko) 신호 분리 장치
DE3776014D1 (de) Synchronisiersignal-detektorschaltung.
DE3852718T2 (de) Signalerkennungsschaltung.
DE3684353D1 (de) Signalverarbeitungsschaltung.
KR870012789U (ko) 링신호 검출회로
DE68923150D1 (de) Signalunterscheidungsschaltung.
KR900013681U (ko) 링신호의 제로점 검출회로
GB2382414B (en) Signal detection
KR870019266U (ko) 텔레텍스트 신호 감지회로
KR880003569U (ko) 신호 판별 회로
KR870019298U (ko) 상태변화 감지회로
KR880018748U (ko) 디지탈 파이롯트 신호 검출회로
KR870019246U (ko) 수직동기신호 검출회로
KR880008438U (ko) 데이타신호 검출회로
NO171479C (no) Signalmottaker
KR870017490U (ko) 화신호 처리 회로
KR880013909U (ko) 주파수 변화 감지회로
KR880012888U (ko) 더미스터를 이용한 특정온도 검지회로
KR890005806U (ko) 국선 감지회로
KR860008500U (ko) 양 방향 통과 신호 검출회로
DE3677117D1 (de) Bildsignalverarbeitungsschaltung.
KR870003081U (ko) 귀선소거신호 검출회로

Legal Events

Date Code Title Description
A201 Request for examination
N231 Notification of change of applicant
E701 Decision to grant or registration of patent right
REGI Registration of establishment
FPAY Annual fee payment

Payment date: 20000224

Year of fee payment: 12

EXPY Expiration of term