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KR840005224A - 데이터통신 단말장치 - Google Patents

데이터통신 단말장치 Download PDF

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Publication number
KR840005224A
KR840005224A KR1019830001783A KR830001783A KR840005224A KR 840005224 A KR840005224 A KR 840005224A KR 1019830001783 A KR1019830001783 A KR 1019830001783A KR 830001783 A KR830001783 A KR 830001783A KR 840005224 A KR840005224 A KR 840005224A
Authority
KR
South Korea
Prior art keywords
terminal device
data communication
communication terminal
communication line
line
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
KR1019830001783A
Other languages
English (en)
Other versions
KR880000645B1 (ko
Inventor
메구미 우찌노
Original Assignee
미다 가쓰시게
가부시기가이샤 히다찌세이사꾸쇼
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 미다 가쓰시게, 가부시기가이샤 히다찌세이사꾸쇼 filed Critical 미다 가쓰시게
Publication of KR840005224A publication Critical patent/KR840005224A/ko
Application granted granted Critical
Publication of KR880000645B1 publication Critical patent/KR880000645B1/ko
Expired legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F13/14—Handling requests for interconnection or transfer
    • G06F13/16—Handling requests for interconnection or transfer for access to memory bus
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L43/00—Arrangements for monitoring or testing data switching networks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W40/00—Communication routing or communication path finding
    • H04W40/02—Communication route or path selection, e.g. power-based or shortest path routing

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Small-Scale Networks (AREA)
  • Computer And Data Communications (AREA)
  • Communication Control (AREA)
  • Maintenance And Management Of Digital Transmission (AREA)

Abstract

내용 없음

Description

데이터통신 단말장치
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제 1 도는 온라인시스템의 구성예를 나타낸 도면.
제 2 도는 본원 발명의 단말장치의 일실시예를 나타낸 도면.
제 3 도는 제 2 도에 있어서의 상태검출부의 구체적 구성예를 나타낸 도면.
제 4 도는 제 3 도의 동작을 설명하기 위한 타이밍도.
제 5 도는 종래와 본원 발명의 동작을 비교하는 타이밍도.
* 도면의 주요부분에 대한 부호의 설명
5 : 단말장치 51 : 통싱회선제어부
52 : 단말제어부 53 : 입출력 단말부
54 : 상태검출부

Claims (1)

  1. 중앙전자계산기와 복수 단말장치가 동일통신회선상에서 분기접속되어서 데이터통신을 하는 온라인시스템의 단말장치에 있어서, 통신회선이 동작중인지의 여부를 검출하며, 그 검출결과를 유지해 두는 수단(54)을 설치하여 시스템에 의해서 정의된 시간 이내에 자국에 대한 데이터링크가 확립되지 않고 타임 아웃이 되었을 때, 통신회선이 동작중이면 회선다운 처리를 억제하는 것을 특징으로 하는 데이터통신 단말장치.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019830001783A 1982-06-22 1983-04-27 데이터통신 단말장치 Expired KR880000645B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP107293 1982-06-22
JP57107293A JPS58223936A (ja) 1982-06-22 1982-06-22 デ−タ通信端末装置
JP57-107293 1982-06-22

Publications (2)

Publication Number Publication Date
KR840005224A true KR840005224A (ko) 1984-11-05
KR880000645B1 KR880000645B1 (ko) 1988-04-19

Family

ID=14455425

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019830001783A Expired KR880000645B1 (ko) 1982-06-22 1983-04-27 데이터통신 단말장치

Country Status (3)

Country Link
US (1) US4593283A (ko)
JP (1) JPS58223936A (ko)
KR (1) KR880000645B1 (ko)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3335380A1 (de) * 1983-09-29 1985-04-11 Siemens AG, 1000 Berlin und 8000 München Verfahren und schaltungsanordnung zur zeitlichen ueberwachung des belegtseins von signalumsetzern
NL8700736A (nl) * 1987-03-30 1988-10-17 Philips Nv Een-kanaalsbussysteem voor meermeester gebruik, met bitcelsynchronisatie, en meesterstation voorzien van een bitcelsynchronisatie-element daarvoor.

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5215204A (en) * 1975-07-26 1977-02-04 Fuji Electric Co Ltd Informatioon transmission system
US4354252A (en) * 1977-09-27 1982-10-12 Motorola, Inc. Programmable digital data terminal for mobile radio transceivers
US4156112A (en) * 1977-12-07 1979-05-22 Control Junctions, Inc. Control system using time division multiplexing

Also Published As

Publication number Publication date
JPS58223936A (ja) 1983-12-26
US4593283A (en) 1986-06-03
KR880000645B1 (ko) 1988-04-19
JPH0158902B2 (ko) 1989-12-14

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