KR880004384A - Stand-alone modem using modem control circuit - Google Patents

Stand-alone modem using modem control circuit Download PDF

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Publication number
KR880004384A
KR880004384A KR1019860007946A KR860007946A KR880004384A KR 880004384 A KR880004384 A KR 880004384A KR 1019860007946 A KR1019860007946 A KR 1019860007946A KR 860007946 A KR860007946 A KR 860007946A KR 880004384 A KR880004384 A KR 880004384A
Authority
KR
South Korea
Prior art keywords
modem
signal
circuit
outputting
control circuit
Prior art date
Application number
KR1019860007946A
Other languages
Korean (ko)
Inventor
최춘근
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 KR1019860007946A priority Critical patent/KR880004384A/en
Publication of KR880004384A publication Critical patent/KR880004384A/en

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Abstract

내용 없음No content

Description

모뎀제어회로를 이용한 스텐드 얼로운 모뎀Stand-alone modem using modem control circuit

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

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

Claims (1)

모뎀회로에 있어서, 퍼스날컴퓨터와 데이터를 송수신할수 있도록 직렬 인터페싱을 하는 RS-232C 인터페이스(10)와, 데이터 송수신에 따른 시스템의 운용상태를 디스플레이하는 표시부(20)와, 기능선택신호와 데이터 신호를 입력하여 롬과 램의 저장기능에 의한 내장 프로그램에 의해 모뎀제어기능을 처리할 수 있는 콘트롤 데이터를 출력하는 모뎀제어회로(30)와, 스위치 압압동작에 의한 모뎀기능 선택신호를 상기 모뎀제어회로(30)로 입력시키는 기능선택부(40)와, 상기 모뎀제어회로(30)에서 소프트웨어로 처리된 신호에 따라 입력되는 송수신 데이터를 변.복조하여 입출력하는 동시에 동작레벨신호를 출력하는 모뎀회로(50)와, 상기모뎀회로(50)에서 출력되는 동작레벨 신호를 입력하여 현 동작운용 상태를 스피커를 통해 오디오 모니터링할 수 있는 신호를 출력하는 오디오 출력부(60)와, 상기 모뎀회로(50)에서 전화선이나 다른 단말기로 신호의 송수신이 가능토록 매칭하는 동시에 수신시 소정시호 출력하는 송수신부(70)와, 상기 송수신부(70)을 통해 수신되는 신호중 링신호를 검출하여 상기 모뎀제어회로(30)로 출력하는 링검출회로(80)로 구성함을 특징으로 하는 회로.In the modem circuit, an RS-232C interface 10 for serial interfacing to send and receive data to and from a personal computer, a display unit 20 for displaying the operating status of the system according to data transmission and reception, a function selection signal and a data signal A modem control circuit 30 for outputting control data capable of processing a modem control function by a built-in program by a storage function of ROM and RAM, and a modem function selection signal by a switch pressing operation. A function selection unit 40 for inputting to 30 and a modem circuit for modulating, demodulating and inputting / receiving input / output data according to a signal processed by software in the modem control circuit 30 and outputting an operation level signal ( 50) and a signal for inputting an operation level signal output from the modem circuit 50 to monitor the current operation operation state through the speaker. An audio output unit 60 for outputting, a transceiver 70 for matching a signal to the telephone line or another terminal from the modem circuit 50 so as to enable transmission and reception at the same time upon reception, and the transceiver 70 And a ring detection circuit (80) for detecting a ring signal among the signals received through and outputting the ring signal to the modem control circuit (30). ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019860007946A 1986-09-23 1986-09-23 Stand-alone modem using modem control circuit KR880004384A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019860007946A KR880004384A (en) 1986-09-23 1986-09-23 Stand-alone modem using modem control circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019860007946A KR880004384A (en) 1986-09-23 1986-09-23 Stand-alone modem using modem control circuit

Publications (1)

Publication Number Publication Date
KR880004384A true KR880004384A (en) 1988-06-03

Family

ID=68838298

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019860007946A KR880004384A (en) 1986-09-23 1986-09-23 Stand-alone modem using modem control circuit

Country Status (1)

Country Link
KR (1) KR880004384A (en)

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