JPS53123602A - Data transmission unit - Google Patents
Data transmission unitInfo
- Publication number
- JPS53123602A JPS53123602A JP3762877A JP3762877A JPS53123602A JP S53123602 A JPS53123602 A JP S53123602A JP 3762877 A JP3762877 A JP 3762877A JP 3762877 A JP3762877 A JP 3762877A JP S53123602 A JPS53123602 A JP S53123602A
- Authority
- JP
- Japan
- Prior art keywords
- data transmission
- transmission unit
- answerback
- successful
- checking
- 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
Landscapes
- Detection And Prevention Of Errors In Transmission (AREA)
- Small-Scale Networks (AREA)
Abstract
PURPOSE: To make it possible to transmit the mass data effectively with a high reliability by checking the answerback among equipments connected via stations in a loop line to become aware whether the transmission is successful or not.
COPYRIGHT: (C)1978,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3762877A JPS53123602A (en) | 1977-04-04 | 1977-04-04 | Data transmission unit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3762877A JPS53123602A (en) | 1977-04-04 | 1977-04-04 | Data transmission unit |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS53123602A true JPS53123602A (en) | 1978-10-28 |
JPS5746696B2 JPS5746696B2 (en) | 1982-10-05 |
Family
ID=12502893
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP3762877A Granted JPS53123602A (en) | 1977-04-04 | 1977-04-04 | Data transmission unit |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS53123602A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5769954A (en) * | 1980-10-20 | 1982-04-30 | Ricoh Co Ltd | Loop type packet communication system |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59118996A (en) * | 1982-12-27 | 1984-07-09 | 東京瓦斯株式会社 | Method and apparatus for embedding pipe |
JPS59122699A (en) * | 1982-12-27 | 1984-07-16 | 東京瓦斯株式会社 | Method and device for burying pipe through non-cut-and-covermethod |
-
1977
- 1977-04-04 JP JP3762877A patent/JPS53123602A/en active Granted
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5769954A (en) * | 1980-10-20 | 1982-04-30 | Ricoh Co Ltd | Loop type packet communication system |
Also Published As
Publication number | Publication date |
---|---|
JPS5746696B2 (en) | 1982-10-05 |
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