JPS62260449A - Communication equipment sharing transmission line - Google Patents
Communication equipment sharing transmission lineInfo
- Publication number
- JPS62260449A JPS62260449A JP10346886A JP10346886A JPS62260449A JP S62260449 A JPS62260449 A JP S62260449A JP 10346886 A JP10346886 A JP 10346886A JP 10346886 A JP10346886 A JP 10346886A JP S62260449 A JPS62260449 A JP S62260449A
- Authority
- JP
- Japan
- Prior art keywords
- data
- station address
- address
- transmission
- transmitting station
- 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.)
- Pending
Links
- 230000005540 biological transmission Effects 0.000 title claims abstract description 80
- 238000000034 method Methods 0.000 description 6
- 230000001934 delay Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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- Small-Scale Networks (AREA)
Abstract
Description
【発明の詳細な説明】
（産業上の利用分野）
本発明は、複数の伝送路を有する通信システムにおいて
、少なくとも２つ以上の伝送路を接続する通信装置に関
するものである。DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to a communication device that connects at least two or more transmission paths in a communication system having a plurality of transmission paths.
（発明の概要）
本発明は、少なくとも２つ以上の伝送路を接続する通信
装置において、１つの伝送路から他の伝送路へ不必要な
データが送られることを抑止することにより、通信シス
テム全体の伝送路を有効に利用するようにしたものであ
る。(Summary of the Invention) In a communication device that connects at least two or more transmission paths, the present invention prevents unnecessary data from being sent from one transmission path to another transmission path, thereby improving the overall communication system. The system is designed to make effective use of the transmission path.
（従来の技術）
従来は複数の伝送路を接続する装置として、１つの伝送
路の信号を単純に他の伝送路へ送るリピータや、１つの
伝送路から通信手順に従いデータを受信し他の伝送路に
通信手順を用いて送信づるゲートウェイがあった。(Prior Art) Conventionally, as a device for connecting multiple transmission paths, there is a repeater that simply sends the signal of one transmission path to another transmission path, and a repeater that receives data from one transmission path according to a communication procedure and transmits it to another transmission path. There was a gateway on the road that sent data using communication procedures.
（発明が解決しようとする問題点）
上記のようなリピータでは、１つの伝送路のデータが他
の伝送路に全て送られるために、１つの伝送路内の通信
が他の伝送路に送られ全体の伝送路の負荷が増大すると
いう欠点を有していた。(Problem to be Solved by the Invention) In the repeater as described above, all the data on one transmission line is sent to the other transmission line, so the communication within one transmission line is sent to the other transmission line. This has the disadvantage that the load on the entire transmission path increases.
また、上記のようなゲートウェイでは、通信手順に従っ
てデータの送受信を行うために、ゲートウェイの持つ通
信手順以外のデータは伝送できないという欠点と、ゲー
トウェイにより遅延が発生しデータ伝送に時間がかかる
という欠点を有していた。In addition, since the gateways described above send and receive data according to communication procedures, they have the disadvantage that they cannot transmit data other than the communication procedures of the gateway, and the disadvantages that the gateway causes delays and takes time to transmit data. had.
（問題点を解決覆るための手段）
上記問題点を解決づるために、本発明においては１つの
伝送路のデータを監視し、前記データの送信局アドレス
をアドレス記憶手段に格納することにより、°前記デー
タの受信局アドレスは前記アドレス記憶手段に格納され
ている前記各送信局アドレスと比較され、一致しない場
合に限り前記データは他の伝送路に送信されるようにし
た。(Means for solving and overcoming the problems) In order to solve the above problems, the present invention monitors data on one transmission line and stores the transmitting station address of the data in address storage means. The receiving station address of the data is compared with each of the transmitting station addresses stored in the address storage means, and only if they do not match, the data is transmitted to another transmission path.
（作用）
上記のような手段により、１つの伝送路内に送信局と受
信局が存在する場合には、前記送信局から前記受信局へ
送られるデータを他の伝送路へ送らないようにすること
ができる。(Function) By the means described above, when a transmitting station and a receiving station exist in one transmission path, data sent from the transmitting station to the receiving station is prevented from being sent to another transmission path. be able to.
（実施例） 以下に本発明の実施例を図面に基づいて説明する。(Example) Embodiments of the present invention will be described below based on the drawings.
第１図において１つの伝送路１のデータの送信局アドレ
ス８は送信局アドレス比較格納手段４に接続され、アド
レス記憶手段５は前記送信局アドレス比較格納手段４の
未登録送信局アドレス１０を記憶し、受信局アドレス比
較手段３は前記データの受信局アドレス７と前記アドレ
ス記憶手段５の既知送信局アドレス１１を入力し、送信
制御手段６は前記データ１３と前記受信局アドレス比較
手段３の一致信号１２を入力とし、他の伝送路２は前記
送信ＩＩＩ制御手段６の送信データ１４に接続されてい
る。In FIG. 1, the transmitting station address 8 of data on one transmission path 1 is connected to the transmitting station address comparison and storage means 4, and the address storage means 5 stores the unregistered transmitting station address 10 of the transmitting station address comparison and storage means 4. Then, the receiving station address comparing means 3 inputs the receiving station address 7 of the data and the known transmitting station address 11 of the address storage means 5, and the transmission control means 6 checks whether the data 13 and the receiving station address comparing means 3 match. The signal 12 is input, and the other transmission line 2 is connected to the transmission data 14 of the transmission III control means 6.
次に動作を説明する。Next, the operation will be explained.
前記１つの伝送路１に受信局アドレスと送信局アドレス
を持つデータが伝送されると、前記送信局アドレス比較
格納手段４は、前記送信局アドレス８と、前記アドレス
記憶手段５に記憶された各既知送信局アドレス９とを比
較し、一致づるものが存在しなければ前記送信局アドレ
ス８を前記アドレス記憶手段５に前記未登録送信局アド
レス１０として出力づる。前記アドレス記憶手段は、前
記未登録送信局アドレス１０を既知送信局アドレスとし
て記憶する。When data having a receiving station address and a transmitting station address is transmitted to the one transmission line 1, the transmitting station address comparison storage means 4 compares the transmitting station address 8 and each data stored in the address storage means 5. The transmitting station address 8 is compared with the known transmitting station address 9, and if there is no match, the transmitting station address 8 is outputted to the address storage means 5 as the unregistered transmitting station address 10. The address storage means stores the unregistered transmitting station address 10 as a known transmitting station address.
同時に、前記受信局アドレス比較手段３は、前記受信局
アト−スフと前記各既知送信局アドレス１１を比較しそ
の結果を前記一致信号１２に出力する。前記送信制御手
段６は、前記一致信号１２により前記１つの伝送路１の
前記データを前記他の伝送路２へ前記送信データ１４と
して出力するか否かを制御する。前記送信データ１４は
、前記受信局アドレス７と前記各既知送信局アドレス１
１が一致した場合にのみ出力される。At the same time, the receiving station address comparison means 3 compares the receiving station address with each known transmitting station address 11 and outputs the result as the coincidence signal 12. The transmission control means 6 controls whether or not the data on the one transmission line 1 is outputted as the transmission data 14 to the other transmission line 2 based on the coincidence signal 12. The transmission data 14 includes the receiving station address 7 and each known transmitting station address 1.
Output only if 1 matches.
第２図は、前記データ１３から前記受信局アドレス７お
よび前記送信局アドレス８を分離するためのアドレス分
離手段１５を有する場合の実施例である。FIG. 2 shows an embodiment in which address separating means 15 is provided for separating the receiving station address 7 and the transmitting station address 8 from the data 13.
第２図において前記アドレス分離手段１５は、前記１つ
の伝送路１から前記データ１３を入力とし、前記受信局
アドレス７と前記送信局アドレス８を分離し出力する。In FIG. 2, the address separating means 15 receives the data 13 from the one transmission line 1, separates the receiving station address 7 and the transmitting station address 8, and outputs the separated data.
前記送信局アドレス比較格納手段４は分離された前記送
信局アドレス８を入力とし、前記受信局アドレス比較手
段３は分離された前記受信局アドレス７を入力とする。The transmitting station address comparison and storage means 4 receives the separated transmitting station address 8 as an input, and the receiving station address comparing means 3 receives the separated receiving station address 7 as an input.
その他の動作は第１図と同様である。Other operations are the same as in FIG. 1.
第３図は、本発明による通信装置３０を含む通信システ
ムの一実施例である。FIG. 3 is an embodiment of a communication system including a communication device 30 according to the present invention.
第３図において、ステーションＡ３１ａとステーション
８３１ｂとステーションＣ３１ｃは相互に通信を行う装
置であり、１つの伝送路１には前記ステーションＡ３１
ａと前記ステーションＢ５１ｂが接続され、他の伝送路
２には前記ステ−ジョンＣ３１ｃが接続され、前記１つ
の伝送路１ど前記他の伝送路２の間は本発明による通信
装置３０で接続されている。In FIG. 3, station A31a, station 831b, and station C31c are devices that communicate with each other.
A and the station B51b are connected, the other transmission line 2 is connected to the station C31c, and the one transmission line 1 and the other transmission line 2 are connected by a communication device 30 according to the present invention. ing.
次に動作を説明する。今、前記ステーションＡ３１ａが
前記ステーション８３１ｂにデータＡＢを送信すると、
前記１つの伝送路１を介して前記ステーション８３１ｂ
に伝送される。同時に前記データＡＢは前記１つの伝送
路１を介して前記本発明による通信装置３０にも伝送さ
れる。前記データＡＢの受信局アドレスは前記本発明に
よる通信装置３０の内部の各既知送信局アドレスと比較
され、一致しない場合に限り、前Ｃｄ本発明による通信
装置３０により他の伝送路２に伝送される。Next, the operation will be explained. Now, when the station A31a transmits data AB to the station 831b,
The station 831b via the one transmission line 1
transmitted to. At the same time, the data AB is also transmitted to the communication device 30 according to the present invention via the one transmission path 1. The receiving station address of the data AB is compared with each known transmitting station address within the communication device 30 according to the present invention, and only if they do not match, the previous Cd is transmitted to another transmission path 2 by the communication device 30 according to the present invention. Ru.
前記データＡＢの送信局アドレスは、前記本発明による
通信装置３０の内部に既知送信局アドレスとして記憶さ
れる。次に前記ステーション８３１ｂが前記ステーショ
ンＡ３１ａにデータＢＡを送信すると、前記１つの伝送
路１を介して前記ステーションＡ３１ａに伝送される。The transmitting station address of the data AB is stored as a known transmitting station address within the communication device 30 according to the present invention. Next, when the station 831b transmits data BA to the station A31a, it is transmitted to the station A31a via the one transmission path 1.
同時に前記データＢＡは前記１つの伝送路１を介して前
記本発明による通信装置３０にも伝送される。前記デー
タＢＡの受信局アドレスは、前記データΔＢが前記本発
明による通信装置３０に伝送された際に前記既知送信局
アドレスとして記憶されているので、前記データＢＡは
前記他の伝送路２には伝送されない。At the same time, the data BA is also transmitted to the communication device 30 according to the present invention via the one transmission path 1. Since the receiving station address of the data BA is stored as the known transmitting station address when the data ΔB is transmitted to the communication device 30 according to the present invention, the data BA is not transmitted to the other transmission path 2. Not transmitted.
次に前記ステーションＡ３１ａが前記ステーション０３
１ＣにデータＡＣを送信すると、前記１つの伝送路１を
介して前記本発明による通信＠置３０に伝送される。前
記データＡＣの受信局アドレスは前記各既知送信局アド
レスと比較され、一致しない場合に限り前記データＡＣ
は前記本発明による通信製Ｎ３０により前記他の伝送路
２に伝送され、前記ステーションＣ３１Ｃに伝送される
。Next, the station A31a is transferred to the station 03.
When data AC is transmitted to 1C, it is transmitted to the communication @ station 30 according to the present invention via the one transmission line 1. The receiving station address of the data AC is compared with each of the known transmitting station addresses, and only if they do not match, the data AC
is transmitted to the other transmission line 2 by the communication N30 according to the present invention, and is transmitted to the station C31C.
第４図は、前記送信局アドレス比較格納手段４の一実施
例の流れ図である。FIG. 4 is a flowchart of one embodiment of the transmitting station address comparison and storage means 4.
第４図において、ステップ４ａは前記送信局アドレスを
読み込み、ステップ４ｂは前記ステップ４ａで読み込ん
だ前記送信局アドレスと前記アドレス記憶手段５の前記
各既知送信局アドレスとを順次比較し、ステップ４Ｃで
は前記ステップ４ｂの比較結果により一致する前記既知
送信局アドレスが存在しない場合にはステップ４ｄへ分
岐し、一致する前記既知送信局アドレスが存在する場合
には前記送信局アドレス比較格納手段を終了し、ステッ
プ４ｄは前記ステップ４ａで読み込んだ前記送信局アド
レスを前記アドレス記憶手段に出力する。In FIG. 4, step 4a reads the transmitting station address, step 4b sequentially compares the transmitting station address read in step 4a with each known transmitting station address in the address storage means 5, and step 4C If the matching known transmitting station address does not exist as a result of the comparison in step 4b, the process branches to step 4d, and if the matching known transmitting station address exists, the transmitting station address comparing and storing means ends; Step 4d outputs the transmitting station address read in step 4a to the address storage means.
第５図は、前記受信局アドレス比較手段３の一実施例の
流れ図である。FIG. 5 is a flow chart of one embodiment of the receiving station address comparison means 3.
第５図において、ステップ５ａは前記受信局アドレスを
読み込み、ステップ５ｂは前記ステップ４ａで読み込ん
だ前記受信局アドレスと前記アドレス記憶手段５の前記
各既知送信局アドレスとを順次比較し、ステップ５Ｃで
は前記ステップ５ｂの比較結果により一致する前記既知
送信局アドレスが存在する場合にはステップ５ｄへ分岐
し、一致する前記既知送信局アドレスが存在しない場合
には前記受信局アドレス比較手段を終了し、ステップ５
ｄは前記一致信号を前記送信制御手段に出力する。In FIG. 5, step 5a reads the receiving station address, step 5b sequentially compares the receiving station address read in step 4a with each known transmitting station address in the address storage means 5, and step 5C If the matching known transmitting station address exists as a result of the comparison in step 5b, the process branches to step 5d, and if the matching known transmitting station address does not exist, the receiving station address comparison means is terminated, and step 5
d outputs the coincidence signal to the transmission control means.
第６図は前記送信制御手段の一実施例の流れ図である。FIG. 6 is a flowchart of one embodiment of the transmission control means.
第６図において、ステップ６ａは前記受信局アドレス比
較手段３からの一致信号により、一致信号を受けた場合
にはステップ６ｂへ分岐し、一致信号を受けない場合に
はステップ６Ｃへ分岐し、ステップ６ｂは前記１つの伝
送路１からの前記データを前記他の伝送路２へ送信する
ことを抑止し、ステップ６Ｃは前記１つの伝送路１から
の前記データを前記他の伝送路２へ送信することを開始
する。In FIG. 6, step 6a branches to step 6b when a coincidence signal is received from the receiving station address comparison means 3, and branches to step 6C when no coincidence signal is received. Step 6b suppresses the transmission of the data from the one transmission path 1 to the other transmission path 2, and step 6C transmits the data from the one transmission path 1 to the other transmission path 2. start something.
（発明の効果）
本発明の通信装置、により複数の伝送路を接続すること
により、同一伝送路内の通信を他の伝送路へ伝送するこ
とを抑止でき、全系の伝送路を有効に利用することが可
能になる。また、本発明の通信装置により、１つの伝送
路から他の伝送路への伝送を抑止することにより、通信
の秘密保護や伝送路へのアクセス権を制限することが可
能になる。(Effects of the Invention) By connecting multiple transmission paths using the communication device of the present invention, it is possible to prevent communications within the same transmission path from being transmitted to other transmission paths, and effectively utilize the transmission paths of the entire system. It becomes possible to do so. Further, the communication device of the present invention makes it possible to protect the confidentiality of communications and restrict access rights to the transmission path by inhibiting transmission from one transmission path to another transmission path.
第１図、第２図は本発明の実施例の構成を示すブロック
図、第３図は本発明による通信装置を使用した通信シス
テムの実施例、第４図は本発明の送信局アドレス比較格
納手段４の実施例の流れ図。
第５図は本発明の受信局アドレス比較手段３の実施例の
流れ図、第６図は本発明の送信制御手段６の実施例の流
れ図を示す。
３・・・受信局アドレス比較手段
４・・・送信局アドレス比較格納手段
５・・・アドレス記憶手段
６・・・送信制御手段
１５・・・アドレス分離手段
３０・・・本発明による通信装置
出願人 セイコー電子Ｔ梨株式会社
第３図1 and 2 are block diagrams showing the configuration of an embodiment of the present invention, FIG. 3 is an embodiment of a communication system using a communication device according to the present invention, and FIG. 4 is a transmitting station address comparison storage according to the present invention. Flowchart of an embodiment of means 4. FIG. 5 shows a flowchart of an embodiment of the receiving station address comparison means 3 of the present invention, and FIG. 6 shows a flowchart of an embodiment of the transmission control means 6 of the present invention. 3...Receiving station address comparison means 4...Transmission station address comparison and storage means 5...Address storage means 6...Transmission control means 15...Address separation means 30...Communication device application according to the present invention People Seiko Electronics T-Rashi Co., Ltd. Figure 3
Claims (1)
を伝送する伝送路を少なくとも２つ以上共有し、前記各
送信局アドレスを記憶するアドレス記憶手段５と、前記
伝送路の１つの伝送路１から入力される前記送信局アド
レス８と前記アドレス記憶手段５の既知送信局アドレス
９を比較もしくは前記送信局アドレス８を前記アドレス
記憶手段５に格納する送信局アドレス比較格納手段４と
、前記伝送路１から入力される前記受信局アドレス７と
前記アドレス記憶手段５の前記既知送信局アドレス９を
比較する受信局アドレス手段３と、前記受信局アドレス
比較手段３の比較結果１２により前記伝送路１のデータ
１３を他の伝送路２への出力を制御する送信制御手段６
とを有する伝送路を共有する通信装置。At least two or more transmission paths for transmitting various data having receiving station addresses and transmitting station addresses are shared, and address storage means 5 for storing each of the transmitting station addresses and data input from one transmission path 1 of the transmission paths are provided. transmitting station address comparing and storing means 4 for comparing said transmitting station address 8 and known transmitting station address 9 in said address storing means 5 or storing said transmitting station address 8 in said address storing means 5; The receiving station address means 3 compares the received station address 7 and the known transmitting station address 9 of the address storage means 5, and the data 13 of the transmission line 1 is determined by the comparison result 12 of the receiving station address comparing means 3. Transmission control means 6 that controls output to other transmission paths 2
A communication device that shares a transmission path.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10346886A JPS62260449A (en) | 1986-05-06 | 1986-05-06 | Communication equipment sharing transmission line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10346886A JPS62260449A (en) | 1986-05-06 | 1986-05-06 | Communication equipment sharing transmission line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62260449A true JPS62260449A (en) | 1987-11-12 |
Family
ID=14354841
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10346886A Pending JPS62260449A (en) | 1986-05-06 | 1986-05-06 | Communication equipment sharing transmission line |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62260449A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0329533A (en) * | 1989-06-27 | 1991-02-07 | Matsushita Electric Works Ltd | Ic for transmission |
| JPH0385941A (en) * | 1989-08-30 | 1991-04-11 | Mitsubishi Electric Corp | Power line carrying equipment |
| JPH03186039A (en) * | 1989-12-15 | 1991-08-14 | Matsushita Electric Works Ltd | Gateway system |
-
1986
- 1986-05-06 JP JP10346886A patent/JPS62260449A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0329533A (en) * | 1989-06-27 | 1991-02-07 | Matsushita Electric Works Ltd | Ic for transmission |
| JPH0385941A (en) * | 1989-08-30 | 1991-04-11 | Mitsubishi Electric Corp | Power line carrying equipment |
| JPH03186039A (en) * | 1989-12-15 | 1991-08-14 | Matsushita Electric Works Ltd | Gateway system |
| JPH0750892B2 (en) * | 1989-12-15 | 1995-05-31 | 松下電工株式会社 | Gateway method |
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