JPS5933358U - data transmission equipment - Google Patents

data transmission equipment

Info

Publication number
JPS5933358U
JPS5933358U JP1982128216U JP12821682U JPS5933358U JP S5933358 U JPS5933358 U JP S5933358U JP 1982128216 U JP1982128216 U JP 1982128216U JP 12821682 U JP12821682 U JP 12821682U JP S5933358 U JPS5933358 U JP S5933358U
Authority
JP
Japan
Prior art keywords
synchronization
data transmission
data
transmission line
transmission equipment
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
JP1982128216U
Other languages
Japanese (ja)
Other versions
JPH0141254Y2 (en
Inventor
幹生 井手
和彦 中根
Original Assignee
三菱重工業株式会社
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 三菱重工業株式会社 filed Critical 三菱重工業株式会社
Priority to JP1982128216U priority Critical patent/JPS5933358U/en
Publication of JPS5933358U publication Critical patent/JPS5933358U/en
Application granted granted Critical
Publication of JPH0141254Y2 publication Critical patent/JPH0141254Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Small-Scale Networks (AREA)
  • Maintenance And Management Of Digital Transmission (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図はマルチドロップ通信方式を説明する構成図、第
２図は上記通信方式にデータとして用いられる各種通信
用符号を説明する図、第３図は従来の伝送データ型式を
説明する図、第４図はディジタル位相同期回路を説明す
る構成図、第５図は　゛この考案の一実施例に係るデー
タ伝送装置を説明する構成図、第６図は伝送されるデー
タの時間的間隔を説明する図である。 １２・・・伝送線路、３１・・・テイジタル同期回路、
３２・・・受信データライン、３３・・・同期指令カウ
ンタ。FIG. 1 is a block diagram explaining the multi-drop communication method, FIG. 2 is a diagram explaining various communication codes used as data in the above communication method, FIG. 3 is a diagram explaining the conventional transmission data format, FIG. 4 is a block diagram explaining a digital phase synchronization circuit, FIG. 5 is a block diagram explaining a data transmission device according to an embodiment of this invention, and FIG. 6 is a block diagram explaining the time interval of transmitted data. It is a diagram. 12... Transmission line, 31... Digital synchronous circuit,
32... Reception data line, 33... Synchronization command counter.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] １本の伝送線路に複数の計算機を並設接続してなりその
計算機それぞれのサンプリングクロックで同期する計算
機システムにおいて、上記伝送線路にデータが伝送され
なくなった時から予め設定した時間の経過後にカウント
アツプする同期指令カウンタと、この同期指令カウンタ
からの指令により上記伝送線路に送信される同期データ
に基づいて上記サンプリングクロックの同期を行なう同
期回路とを具備したことを特徴とするデータ伝送装置。In a computer system in which multiple computers are connected in parallel to one transmission line and are synchronized with each computer's sampling clock, a count-up starts after a preset time has elapsed from the time when data is no longer transmitted to the transmission line. A data transmission device comprising: a synchronization command counter; and a synchronization circuit that synchronizes the sampling clock based on synchronization data transmitted to the transmission line according to a command from the synchronization command counter.
JP1982128216U 1982-08-25 1982-08-25 data transmission equipment Granted JPS5933358U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1982128216U JPS5933358U (en) 1982-08-25 1982-08-25 data transmission equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1982128216U JPS5933358U (en) 1982-08-25 1982-08-25 data transmission equipment

Publications (2)

Publication Number Publication Date
JPS5933358U true JPS5933358U (en) 1984-03-01
JPH0141254Y2 JPH0141254Y2 (en) 1989-12-06

Family

ID=30290936

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1982128216U Granted JPS5933358U (en) 1982-08-25 1982-08-25 data transmission equipment

Country Status (1)

Country Link
JP (1) JPS5933358U (en)

Also Published As

Publication number Publication date
JPH0141254Y2 (en) 1989-12-06

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