JPS644144A - Data transfer system - Google Patents
Data transfer systemInfo
- Publication number
- JPS644144A JPS644144A JP62157576A JP15757687A JPS644144A JP S644144 A JPS644144 A JP S644144A JP 62157576 A JP62157576 A JP 62157576A JP 15757687 A JP15757687 A JP 15757687A JP S644144 A JPS644144 A JP S644144A
- Authority
- JP
- Japan
- Prior art keywords
- signal
- byte
- etx
- consecutive
- stx
- 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
Landscapes
- Communication Control (AREA)
Abstract
PURPOSE:To improve the transmission efficiency of data transfer by start-stop synchronization by using a 3-byte test start character and a 3-byte text end character. CONSTITUTION:A text start character STX transmission circuit 2 at the transmission side sends a consecutive 3-byte STX signal via a parity addition circuit 7. Moreover, a text end character ETX transmission circuit 4 also sends a consecutive 3-byte ETX signal. Every time consecutive 2-byte STX, ETX signals appear in a data signal, a DLE addition circuit 3 adds a transmission control expansion character DLE signal and sends the result. So long as the consecutive 2-byte STX signal or ETX signal does not exist in the transferred data signal, since the insertion of the DLE signal is not required, the data transfer is attained efficiently.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62157576A JPS644144A (en) | 1987-06-26 | 1987-06-26 | Data transfer system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62157576A JPS644144A (en) | 1987-06-26 | 1987-06-26 | Data transfer system |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS644144A true JPS644144A (en) | 1989-01-09 |
Family
ID=15652711
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP62157576A Pending JPS644144A (en) | 1987-06-26 | 1987-06-26 | Data transfer system |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS644144A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2014017418A1 (en) * | 2012-07-23 | 2014-01-30 | 横浜ゴム株式会社 | Ship monitoring device |
-
1987
- 1987-06-26 JP JP62157576A patent/JPS644144A/en active Pending
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2014017418A1 (en) * | 2012-07-23 | 2014-01-30 | 横浜ゴム株式会社 | Ship monitoring device |
JP2014019380A (en) * | 2012-07-23 | 2014-02-03 | Yokohama Rubber Co Ltd:The | Ship monitoring apparatus |
KR20150006887A (en) * | 2012-07-23 | 2015-01-19 | 요코하마 고무 가부시키가이샤 | Ship monitoring device |
CN104379439A (en) * | 2012-07-23 | 2015-02-25 | 横滨橡胶株式会社 | Ship monitoring device |
US9422040B2 (en) | 2012-07-23 | 2016-08-23 | The Yokohama Rubber Co., Ltd. | Ship monitoring device |
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