KR880012072A - Relay control circuit - Google Patents

Relay control circuit Download PDF

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Publication number
KR880012072A
KR880012072A KR870001929A KR870001929A KR880012072A KR 880012072 A KR880012072 A KR 880012072A KR 870001929 A KR870001929 A KR 870001929A KR 870001929 A KR870001929 A KR 870001929A KR 880012072 A KR880012072 A KR 880012072A
Authority
KR
South Korea
Prior art keywords
telephone
relay
signal
call
microcomputer
Prior art date
Application number
KR870001929A
Other languages
Korean (ko)
Other versions
KR900006474B1 (en
Inventor
김덕수
오수환
Original Assignee
한형수
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 한형수, 삼성전자 주식회사 filed Critical 한형수
Priority to KR1019870001929A priority Critical patent/KR900006474B1/en
Publication of KR880012072A publication Critical patent/KR880012072A/en
Application granted granted Critical
Publication of KR900006474B1 publication Critical patent/KR900006474B1/en

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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00Television systems
    • H04N7/16Analogue secrecy systems; Analogue subscription systems

Abstract

내용 없음No content

Description

릴레이 제어회로Relay control circuit

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

제1도는 본 발명에 따른 회로도.1 is a circuit diagram according to the present invention.

Claims (1)

릴레이 제어회로에 있어서, 컴퓨터와 터미널에서 사용되는 디지털신호를 아나로그 전송회선에서 전송이 적합하도록 변조하여 주고 변조된 신호를 수신한 다음 복조하여 원래 디지털신호로 변화하는 모뎀(1)과, 화상과 전화통화에 따른 패스를 제어하고 프로그램에 따라 화상 데이터를 출력하는 마이콤(5)과, 전화 라인⑿으로부터 상기 모뎀(1) 전화기간의 통로가 선택되는 제1릴레이(Ry1)와, 상기 제1릴레이(Ry1)에서 통화로가 연결 되었을 시 음성신호 통로를 선택하는 제2릴레이 (Ry2)와, 전화기 후크 온 · 오프 상태에 따라 링신호 감지통로를 제어하는 제3릴레이(Ry3)와, 소정 모드에서 상기 제1-3릴레이(Ry1∼Ry3)를 제어하는 릴레이 제어 드라이버(2)와, 전화 다이얼 및 소정 명령을 입력시킬 수 있는 키패드(3)와, 마이콤(5)과 신호교환을 하며 상기 키패드(3)의 입력에 따라 다이얼 펄스를 송출하고 상대방과 음성 통화신호가 송수신 되도록 하는 전화기 회로(4)와, 상기 마이콤(5)의 제어에 따라 상기 전화기회로(4)의 출력을 제어하는 아나로그 스위치(6)와 상기 마이콤(5)의 지정에 따라 상기 전회기회로(4)로부터 송수화기를 들지 않고도 통화할 수 있도록 하는 스피커 마이크(8)와, 상기 마이콤(5)의 제어에 따라 제어되는 아나로그 스위치⑹의 통로를 통해 통화할 수 있도록 하는 송수화기(9)와, 상기 제3릴레이(Ry3)의 상태에 따라 링 신호를 감지할 수 있는 링 감지부(7)와, 전화기의 후크 온·오프 상태를 스위칭 할 수 있는 후크 스위치(10)와, 전화 통화라인(12)으로부터 전화기와 접속할 수 있도록 하는 전화기 인터페이스 회로(11)와, 전화통화 라인(12)으로부터 상기모뎀(1)과 신호전송을 매칭할 수 있는 매칭 트랜스(13)와, 통화도중 상기 모뎀(1)을 통해 화상을 보내고자할 때 전송할 수 있도록 제어신호를 상기 마이콤(5)으로 입력할 수 있도록 하는 제어키(14)로 구성됨을 특징으로 하는 릴레이 제어회로.In the relay control circuit, a modem (1) for modulating a digital signal used in a computer and a terminal to be suitable for transmission on an analog transmission line, receiving a modulated signal, and then demodulating and converting the digital signal into an original digital signal; A microcomputer 5 for controlling a path according to a telephone call and outputting image data according to a program; a first relay Ry 1 in which a passage between the telephones of the modem 1 is selected from a telephone line 와; and the first relay third relay (Ry 3) for controlling the ring signal detection channel according to the second relay (Ry 2) and a telephone hook on-off state in (Ry 1) select an audio signal path when is is a call connection and A relay control driver 2 for controlling the 1-3 relays Ry 1 to Ry 3 in a predetermined mode, a keypad 3 for inputting a telephone dial and a predetermined command, a microcomputer 5 and a signal; Exchange key A telephone circuit 4 for transmitting dial pulses according to the input of the card 3 and for transmitting and receiving a voice call signal to and from the other party, and controlling the output of the telephone circuit 4 under the control of the microcomputer 5; Speaker microphone 8 for making a call without picking up the handset from the previous circuit 4 according to the designation of an analog switch 6 and the microcomputer 5 and control according to the control of the microcomputer 5. A handset 9 for making a call through a passage of an analog switch, a ring detector 7 capable of detecting a ring signal according to a state of the third relay Ry 3 , and a hook of a telephone A hook switch 10 capable of switching on and off states, a telephone interface circuit 11 for connecting to a telephone from the telephone call line 12, and a modem 1 from the telephone call line 12; Every single matching signal A relay comprising a transformer 13 and a control key 14 for inputting a control signal to the microcomputer 5 so as to transmit the image through the modem 1 during a call. Control circuit. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019870001929A 1987-03-04 1987-03-04 Relay control circuit KR900006474B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019870001929A KR900006474B1 (en) 1987-03-04 1987-03-04 Relay control circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019870001929A KR900006474B1 (en) 1987-03-04 1987-03-04 Relay control circuit

Publications (2)

Publication Number Publication Date
KR880012072A true KR880012072A (en) 1988-11-03
KR900006474B1 KR900006474B1 (en) 1990-08-31

Family

ID=19259843

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019870001929A KR900006474B1 (en) 1987-03-04 1987-03-04 Relay control circuit

Country Status (1)

Country Link
KR (1) KR900006474B1 (en)

Also Published As

Publication number Publication date
KR900006474B1 (en) 1990-08-31

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