JPS63165941U - - Google Patents
Info
- Publication number
- JPS63165941U JPS63165941U JP5897587U JP5897587U JPS63165941U JP S63165941 U JPS63165941 U JP S63165941U JP 5897587 U JP5897587 U JP 5897587U JP 5897587 U JP5897587 U JP 5897587U JP S63165941 U JPS63165941 U JP S63165941U
- Authority
- JP
- Japan
- Prior art keywords
- transmission
- transmission line
- communication
- unbalanced
- 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
Links
- 230000005540 biological transmission Effects 0.000 claims description 32
- 238000001514 detection method Methods 0.000 claims description 6
- 230000004913 activation Effects 0.000 claims description 4
- 230000000873 masking effect Effects 0.000 claims 2
- 238000000034 method Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Dc Digital Transmission (AREA)
- Small-Scale Networks (AREA)
Description
第１図は本考案の一実施例のデータ伝送システ
ムの要部構成ブロツク図、第２図はＥＣＵにおけ
る起動信号検出回路の一例の回路図、第３図はＲ
Ｓにおける起動信号検出回路の一例の回路図、第
４図は第２図及び第３図に示す起動信号検出回路
の各部の信号のタイムチヤート、第５図は第１図
に示すシステムの作動を説明するタイムチヤート
である。
（符号の説明）、１……第１伝送ライン、２…
…第２伝送ライン、３……基準ライン、１０，１
０′……ＥＣＵ、１１……第１の伝送端子、１２
……第２の伝送端子、１３……基準端子、１４…
…平衡伝送レシーバ、１５……平衡伝送トランス
ミツタ、１６，１７……ラインスイツチ、１８…
…起動信号検出回路、２０……ＲＳ、２１……受
信端子、２２……送信端子、２３……基準端子、
２４……ラインレシーバ、２５……ラインドライ
バ、２６……ラインスイツチ、２７……起動信号
検出回路、３０……ＭＳ、３１……第１の接続端
子、３２……第２の接続端子、３３……基準端子
、３４……ラインドライバ、３５……ラインレシ
ーバ、３７……起動信号送出用ラインドライバ、
３６，３８……ラインスイツチ。５５……フリツ
プフロツプ、５６……リセツトタイマー、５７…
…ノアゲート、５８……タイマー。
FIG. 1 is a block diagram of the main part of a data transmission system according to an embodiment of the present invention, FIG. 2 is a circuit diagram of an example of a starting signal detection circuit in an ECU, and FIG.
FIG. 4 is a circuit diagram of an example of the activation signal detection circuit in S, FIG. 4 is a time chart of signals of each part of the activation signal detection circuit shown in FIGS. 2 and 3, and FIG. 5 is a diagram showing the operation of the system shown in FIG. 1. This is a time chart to explain. (Explanation of symbols), 1...first transmission line, 2...
...Second transmission line, 3...Reference line, 10,1
0'...ECU, 11...First transmission terminal, 12
...Second transmission terminal, 13...Reference terminal, 14...
...Balanced transmission receiver, 15...Balanced transmission transmitter, 16, 17... Line switch, 18...
...Start signal detection circuit, 20...RS, 21...Reception terminal, 22...Transmission terminal, 23...Reference terminal,
24... Line receiver, 25... Line driver, 26... Line switch, 27... Starting signal detection circuit, 30... MS, 31... First connection terminal, 32... Second connection terminal, 33 ... Reference terminal, 34 ... Line driver, 35 ... Line receiver, 37 ... Line driver for sending start signal,
36, 38...Line switch. 55...Flip-flop, 56...Reset timer, 57...
...Noah Gate, 58...Timer.
Claims (1)
準ラインとを有する伝送ライン、 (b) 前記第１伝送ラインに接続される第１の伝
送端子と、前記第２伝送ラインに接続される第２
の伝送端子と、前記第１及び／又は第２伝送ライ
ンに乗せられる起動信号を検出してから所定の不
平衡通信時間が経過し且つその後の所定の通信禁
止時間を経過するまでの期間は通信機能をマスク
する通信マスク手段と、前記基準ラインに接続さ
れる基準端子とを有する平衡伝送局、 (c) 前記第１伝送ラインに接続される受信端子
と、前記第２伝送ラインに接続される送信端子と
、前記第１及び／又は第２伝送ラインに乗せられ
る起動信号を検出してから所定の不平衡通信時間
が経過するまでの期間以外は通信機能をマスクす
ると共に不平衡通信時間の経過後の所定の通信禁
止時間は起動信号の検出を禁止する通信マスク手
段と、前記基準ラインに接続される基準端子とを
有する不平衡伝送リモート局、 および、 (d) 前記第１伝送ラインに接続される第１の接
続端子と、前記第２伝送ラインに接続される第２
の接続端子と、前記第１及び／又は第２伝送ライ
ンに起動信号を送出する起動信号送出手段と、そ
の起動信号送出後の所定の不平衡通信時間に前記
不平衡伝送リモート局と不平衡伝送による通信を
行う不平衡伝送通信手段と、前記基準ラインに接
続される基準端子とを有する不平衡伝送マスタ局 を具備してなることを特徴とするデータ伝送シス
テム。[Claims for Utility Model Registration] (a) a transmission line having a first transmission line, a second transmission line, and a reference line; (b) a first transmission terminal connected to the first transmission line; a second transmission line connected to the second transmission line;
Communication is disabled during the period from when a start signal is detected on the transmission terminal and the first and/or second transmission line until a predetermined unbalanced communication time elapses and a predetermined communication prohibition time elapses thereafter. a balanced transmission station having communication masking means for masking a function and a reference terminal connected to the reference line; (c) a receiving terminal connected to the first transmission line and a receiving terminal connected to the second transmission line; The communication function is masked except for the period from when the activation signal carried on the transmission terminal and the first and/or second transmission line is detected until the predetermined unbalanced communication time elapses, and the unbalanced communication time elapses. (d) an unbalanced transmission remote station having a communication mask means for prohibiting detection of an activation signal during a subsequent predetermined communication prohibition time, and a reference terminal connected to the reference line; and (d) connected to the first transmission line. a first connection terminal connected to the second transmission line; and a second connection terminal connected to the second transmission line.
a connection terminal, a start signal sending means for sending a start signal to the first and/or second transmission line, and unbalanced transmission with the unbalanced transmission remote station during a predetermined unbalanced communication time after sending the start signal. 1. A data transmission system comprising: an unbalanced transmission master station having unbalanced transmission communication means for performing communication according to the method; and a reference terminal connected to the reference line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5897587U JPH0537564Y2 (en) | 1987-04-17 | 1987-04-17 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5897587U JPH0537564Y2 (en) | 1987-04-17 | 1987-04-17 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63165941U true JPS63165941U (en) | 1988-10-28 |
| JPH0537564Y2 JPH0537564Y2 (en) | 1993-09-22 |
Family
ID=30890038
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5897587U Expired - Lifetime JPH0537564Y2 (en) | 1987-04-17 | 1987-04-17 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0537564Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016082297A (en) * | 2014-10-10 | 2016-05-16 | 株式会社デンソー | Communication device |
-
1987
- 1987-04-17 JP JP5897587U patent/JPH0537564Y2/ja not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016082297A (en) * | 2014-10-10 | 2016-05-16 | 株式会社デンソー | Communication device |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0537564Y2 (en) | 1993-09-22 |
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