KR880006609A - Dial tone detection method and circuit in computer peripheral using telephone line - Google Patents

Dial tone detection method and circuit in computer peripheral using telephone line Download PDF

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Publication number
KR880006609A
KR880006609A KR860009866A KR860009866A KR880006609A KR 880006609 A KR880006609 A KR 880006609A KR 860009866 A KR860009866 A KR 860009866A KR 860009866 A KR860009866 A KR 860009866A KR 880006609 A KR880006609 A KR 880006609A
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KR
South Korea
Prior art keywords
modem
dial tone
circuit
telephone line
computer peripheral
Prior art date
Application number
KR860009866A
Other languages
Korean (ko)
Inventor
최동원
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 KR860009866A priority Critical patent/KR880006609A/en
Publication of KR880006609A publication Critical patent/KR880006609A/en

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Abstract

내용 없음No content

Description

전화선을 이용한 컴퓨터 주변기기에 있어서 다이얼톤 감지방법 및 회로Dial tone detection method and circuit in computer peripheral using telephone line

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

제1도는 본 발명에 따른 시스템도,1 is a system diagram according to the present invention,

제2도는 본 발명에 따른 흐름도.2 is a flow chart in accordance with the present invention.

Claims (2)

다이얼업 모뎀 및 전화선을 이용하는 컴퓨터 주변기기의 다이얼 감지회로에 있어서, RS-232C 규격에 따른 연결로 터미날을 접속할 수 있는 접속부(10)와, 입력에 따라 프로그램을 처리하여 모뎀기능을 제어 할 수 있는 마이콤(20)와 변복조 기능을 가지며 모뎀 전용회로로 수신신호(다이얼톤)의 에너지를 감지할 수 있는 모뎀회로(30)와, 상기 모뎀회로(30)로부터 송수신시 전송통로를 제어하는 하이브리드부(40)와, 상기 마이콤부(20)의 출력에 따라 트랜스를 매칭하여 송수신시 릴레이를 제어하여 송수신 데이타를 제어하는 릴레이부(50)와, 상대편 모뎀과 전화라인이 접속되어지는 데이타 억세스 어레인지먼트(60)로 구성함을 특징으로 하는 전화선을 이용한 컴퓨터 주변기기에 있어서 다이얼톤 감지장치.In the dial sensing circuit of a computer peripheral device using a dial-up modem and a telephone line, a connection unit 10 for connecting a terminal by a connection according to the RS-232C standard, and a microcomputer for controlling a modem function by processing a program according to an input 20 and a modem circuit 30 having a modulation / demodulation function and capable of sensing energy of a received signal (dial tone) as a modem dedicated circuit, and a hybrid unit 40 for controlling a transmission path when transmitting and receiving from the modem circuit 30. ), A relay unit 50 for matching a transformer according to the output of the microcomputer unit 20 to control a relay when transmitting and receiving, and a data access arrangement 60 to which an opposite modem and a telephone line are connected. Dial tone detection device in a computer peripheral device using a telephone line, characterized in that consisting of. 터미날 접속부와, 모뎀을 제어할 수 있는 마이콤부와, 모뎀번용회로와, 하이브리드회로와, 릴레이장치와, 상대편 모뎀과, 연결될 수 있는 데이타 억세스 어레인지먼트를 구비한 시스템에 있어서, 오리지네이트 세트모드에서 후크오프하여 소정 지연시간을 갖는 제1과정과, 다이얼톤을 체크하는 제2과정과, 상기 제2과정에서 다이얼톤일때 소정의 제1,2카운터에서 카운트하는 제3과정과, 상기 과정으로부터 수신신호의 에너지를 체크하는 제4과정과, 상기 제4과정으로부터 신호 에너지가 소정기간 동안 로우일때 벨리드한 다이얼톤을 간주하여 다이얼을 하는 루틴을 수행하는 제5과정과, 상기 제4과정으로부터 신호 에너지가 소정기간 동안 로우가 아닐 때 벨리드한 다이얼톤이 아니므로 다이얼무로 메세지하는 제6과정으로 이루어짐을 특징으로 하는 전화선을 이용한 컴퓨터 주변기기에 있어서 다이얼톤 감지방법.A system having a terminal connection portion, a microcomputer portion capable of controlling a modem, a modem burner circuit, a hybrid circuit, a relay device, a counterpart modem, and a data access arrangement that can be connected, in the original set mode. A first process having a predetermined delay time by hooking off, a second process of checking a dial tone, a third process of counting at predetermined first and second counters when the dial tone is the second process, and receiving from the process A fourth step of checking the energy of the signal, a fifth step of performing a routine for dialing in consideration of a beaded dial tone when the signal energy is low for a predetermined period from the fourth step, and the signal from the fourth step When the energy is not low for a predetermined period of time, because it is not a beaded dial tone, the sixth step of messageless dialing Dial tone detection method according to a computer peripheral device with the line. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR860009866A 1986-11-21 1986-11-21 Dial tone detection method and circuit in computer peripheral using telephone line KR880006609A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR860009866A KR880006609A (en) 1986-11-21 1986-11-21 Dial tone detection method and circuit in computer peripheral using telephone line

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR860009866A KR880006609A (en) 1986-11-21 1986-11-21 Dial tone detection method and circuit in computer peripheral using telephone line

Publications (1)

Publication Number Publication Date
KR880006609A true KR880006609A (en) 1988-07-23

Family

ID=68470007

Family Applications (1)

Application Number Title Priority Date Filing Date
KR860009866A KR880006609A (en) 1986-11-21 1986-11-21 Dial tone detection method and circuit in computer peripheral using telephone line

Country Status (1)

Country Link
KR (1) KR880006609A (en)

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