JPH0390548U - - Google Patents
Info
- Publication number
- JPH0390548U JPH0390548U JP15187089U JP15187089U JPH0390548U JP H0390548 U JPH0390548 U JP H0390548U JP 15187089 U JP15187089 U JP 15187089U JP 15187089 U JP15187089 U JP 15187089U JP H0390548 U JPH0390548 U JP H0390548U
- Authority
- JP
- Japan
- Prior art keywords
- confirmation data
- memory
- received
- sent
- sending
- 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
- 238000012790 confirmation Methods 0.000 claims description 12
- 238000004891 communication Methods 0.000 claims description 8
- 230000005540 biological transmission Effects 0.000 claims description 4
- 230000004044 response Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
Landscapes
- Detection And Prevention Of Errors In Transmission (AREA)
- Communication Control (AREA)
Description
第１図は本考案の一実施例の通信端末装置の構
成を関連のデータ処理装置と電話回線と共に示す
ブロツク図、第２図は第１図の通信端末装置によ
る自動確認ルーチンの手順を説明するためのフロ
ーチヤート、第３図は通信確認手順の内容の一例
を示す概念図である。
１０……通信端末装置、１１……モデム、１２
……並列／直列変換回路、１３……ＣＰＵ、１４
……プログラムＲＯＭ、１５……インタフエース
回路、１６……制御卓１６、１７……エラー検出
回路、１８……送受確認データ対応メモリ、２０
……データ処理装置、３０……電話回線。
Fig. 1 is a block diagram showing the configuration of a communication terminal device according to an embodiment of the present invention together with related data processing equipment and telephone lines, and Fig. 2 explains the procedure of an automatic confirmation routine by the communication terminal device of Fig. 1. FIG. 3 is a conceptual diagram showing an example of the contents of the communication confirmation procedure. 10... Communication terminal device, 11... Modem, 12
...Parallel/serial conversion circuit, 13...CPU, 14
...Program ROM, 15...Interface circuit, 16...Control console 16, 17...Error detection circuit, 18...Memory for transmission/reception confirmation data, 20
...Data processing device, 30...Telephone line.
Claims (1)
通信端末装置において、 相手装置との通信の開始に先立つて行われる一
連の確認データの送受段階において相手装置に送
出する先頭の確認データをキーとして相手装置か
ら受信する受信確認データとその応答として送出
する送信確認データの対を所定の順序でメモリに
登録しておく登録手段と、 相手装置から受信した確認データを前記メモリ
に登録中の受信確認データと照合し、照合一致の
場合には前記メモリに登録中の対応の送信確認デ
ータを読出して相手装置に送出し、照合不一致の
場合には受信済みの確認データの符号誤りの有無
を検査し符号誤りが発生していればこの確認デー
タの受信の直前に送出した送信確認データを再送
出する自動送出手段を備えたことを特徴とする通
信端末装置。[Scope of Claim for Utility Model Registration] In a communication terminal device installed between a communication line and a data processing device, a series of confirmation data sent to and received from the other device at the stage of sending and receiving prior to starting communication with the other device. a registration means for registering in a memory in a predetermined order a pair of reception confirmation data received from the other device and transmission confirmation data sent as a response thereto using the first confirmation data as a key; It is compared with the reception confirmation data registered in the memory, and if the comparison matches, the corresponding transmission confirmation data registered in the memory is read out and sent to the other party's device, and if the comparison does not match, the received confirmation data is checked. 1. A communication terminal device comprising automatic sending means for checking whether there is a code error in the data and re-sending the transmission confirmation data sent immediately before receiving the confirmation data if a code error has occurred.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15187089U JPH0753319Y2 (en) | 1989-12-29 | 1989-12-29 | Communication terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15187089U JPH0753319Y2 (en) | 1989-12-29 | 1989-12-29 | Communication terminal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0390548U true JPH0390548U (en) | 1991-09-13 |
| JPH0753319Y2 JPH0753319Y2 (en) | 1995-12-06 |
Family
ID=31698156
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15187089U Expired - Lifetime JPH0753319Y2 (en) | 1989-12-29 | 1989-12-29 | Communication terminal |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0753319Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1998010618A1 (en) * | 1996-09-04 | 1998-03-12 | Hitachi, Ltd. | Method and system for transmitting railroad information |
-
1989
- 1989-12-29 JP JP15187089U patent/JPH0753319Y2/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1998010618A1 (en) * | 1996-09-04 | 1998-03-12 | Hitachi, Ltd. | Method and system for transmitting railroad information |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0753319Y2 (en) | 1995-12-06 |
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