KR920015790A - Alarm circuit of simple switch - Google Patents

Alarm circuit of simple switch Download PDF

Info

Publication number
KR920015790A
KR920015790A KR1019910000541A KR910000541A KR920015790A KR 920015790 A KR920015790 A KR 920015790A KR 1019910000541 A KR1019910000541 A KR 1019910000541A KR 910000541 A KR910000541 A KR 910000541A KR 920015790 A KR920015790 A KR 920015790A
Authority
KR
South Korea
Prior art keywords
alarm
line
signal
interrupted
generating circuit
Prior art date
Application number
KR1019910000541A
Other languages
Korean (ko)
Other versions
KR970008932B1 (en
Inventor
김태규
Original Assignee
김용선
금성통신 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 김용선, 금성통신 주식회사 filed Critical 김용선
Priority to KR91000541A priority Critical patent/KR970008932B1/en
Publication of KR920015790A publication Critical patent/KR920015790A/en
Application granted granted Critical
Publication of KR970008932B1 publication Critical patent/KR970008932B1/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q1/00—Details of selecting apparatus or arrangements
    • H04Q1/18—Electrical details
    • H04Q1/30—Signalling arrangements; Manipulation of signalling currents

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Alarm Systems (AREA)
  • Emergency Alarm Devices (AREA)
  • Monitoring And Testing Of Exchanges (AREA)

Abstract

내용 없음No content

Description

간이교환기의 경보회로Alarm circuit of simple switch

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제2도는 본 발명 간이교환기의 경보회로가 접속되는 관계를 보인 전체 블록도, 제3도는 본 발명 간이교환기의 경보회로도, 제4도는 제3도에 대한 본 발명의 신호흐름도, 제5도는 본 발명 간이교환기의 경보 회로에 대한 다른 실시예시도, 제6도는 제5도에 대한 본 발명의 신호흐름도.2 is an overall block diagram showing the connection of the alarm circuit of the present invention exchanger, FIG. 3 is an alarm circuit diagram of the present invention exchanger, FIG. Another embodiment of an alarm circuit of a simple exchanger, FIG. 6 is a signal flow diagram of the present invention with respect to FIG.

Claims (2)

일반전화기연결보드(20)를 통해 메인제어부(10)와 접속되는 일반전화라인(L1, L2)에 경보신호발생회로(30A)를 병렬접속하되, 상기 일반전화라인(L1, L2)을 통하는 전원을 전파정류하는 브리지다이오드(BD1)와, 상기 브리지다이오드(BD1)로부터 소정레벨의 전압을 인출하는 전압입력부(31)와, 상기 전압입력부(31)로부터 구동전압을 공급방아 경보스위치(SW1)가 눌려질때 단속신호를 출력하는 단속신호발생부(32)와 상기 단속신호 발생부(32)로 부터 입력되는 단속신호에 따라 상기 일반전화라인(L1, L2)의 단속을 제어하는 라인단속제어부(33)로 상기 경보신호발생회로(30A)를 구성한 것을 특징으로 하는 간이교환기의 경보회로.But connected to the general telephone connected parallel to the alarm signal generating circuit (30A) to the normal telephone line (L 1, L 2) to be connected to the main control unit 10 via the board 20, the general telephone line (L 1, L 2 The bridge diode BD 1 for full-wave rectification of the power supply through the power source, the voltage input unit 31 for drawing a voltage of a predetermined level from the bridge diode BD 1 , and the driving voltage is supplied from the voltage input unit 31. When the alarm switch SW 1 is pressed, the regular telephone line (L 1 , L 2 ) of the intermittent signal generator 32 outputting an interrupted signal and the interrupted signal input from the intermittent signal generator 32 are used. And an alarm signal generating circuit (30A) comprising a line interrupt control unit (33) for controlling interruptions. 제1항에 있어서, 경보용스위치(SW2)가 단락될때 라인제어용릴레이(RY1)를 구동시켜 음성라인(VL1, VL2)이 접지되고, 데이타라인(DL1, DL2)이 단속신호발생부(32')와 연결되어 그 단속신호(32')에서 키폰 전화기연결보드(20A)에 경보데이타를 송출할 수 있게 경보신호발생회로(30A)를 구성한 것을 특징으로 하는 간이교환기의 경보회로.The voice line (VL 1 , VL 2 ) is grounded by driving the line control relay (RY 1 ) when the alarm switch (SW 2 ) is shorted, and the data lines (DL 1 , DL 2 ) are interrupted. The alarm of the simple exchanger, which is connected to the signal generator 32 'and constitutes an alarm signal generating circuit 30A so as to transmit alarm data to the key-phone telephone connection board 20A in the intermittent signal 32'. Circuit. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR91000541A 1991-01-15 1991-01-15 Alarm circuit of small switching system KR970008932B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR91000541A KR970008932B1 (en) 1991-01-15 1991-01-15 Alarm circuit of small switching system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR91000541A KR970008932B1 (en) 1991-01-15 1991-01-15 Alarm circuit of small switching system

Publications (2)

Publication Number Publication Date
KR920015790A true KR920015790A (en) 1992-08-27
KR970008932B1 KR970008932B1 (en) 1997-06-03

Family

ID=19309818

Family Applications (1)

Application Number Title Priority Date Filing Date
KR91000541A KR970008932B1 (en) 1991-01-15 1991-01-15 Alarm circuit of small switching system

Country Status (1)

Country Link
KR (1) KR970008932B1 (en)

Also Published As

Publication number Publication date
KR970008932B1 (en) 1997-06-03

Similar Documents

Publication Publication Date Title
KR840006880A (en) Power system
KR840008099A (en) Output circuit
KR910003898A (en) Monolithic Integrated Circuit for Power
KR920003635A (en) Active filter device
KR920007913A (en) Elevator monitoring and control device
KR900011128A (en) Output voltage adjusting method of power source and sensing control circuit for voltage regulator
KR900700954A (en) Output circuit
KR920010533A (en) LCD driving device
KR920015790A (en) Alarm circuit of simple switch
KR850003095A (en) Infrared transmitter circuit and remote key input device
KR860002073A (en) Time display device of traffic lights
KR890013848A (en) IC overvoltage protection circuit
KR910008535A (en) Run Away Prevention Circuit of Microprocessor
KR950007295A (en) Level conversion circuit of digital logic circuit
KR970022670A (en) Power Stabilization Circuit of Monitor
KR970039082A (en) Electronic control unit power supply protection circuit
KR910007269A (en) Telephone Controllable Power Adapter
KR940020645A (en) Automatic power control system for computers and fax machines using telephone lines
KR920015363A (en) TTL input buffer circuit
KR900001163A (en) In-use circuit in the telephone
KR970008802A (en) Power supply controller
KR970002697A (en) Drive status display device
KR950015903A (en) Power-saving standby circuit
KR960025031A (en) Reset circuit and method by detecting power level
KR930014010A (en) DID Interface Circuit for R2MFC

Legal Events

Date Code Title Description
A201 Request for examination
G160 Decision to publish patent application
E701 Decision to grant or registration of patent right
GRNT Written decision to grant
LAPS Lapse due to unpaid annual fee