JPS644144A - Data transfer system - Google Patents

Data transfer system

Info

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
Application number
JP62157576A
Other languages
Japanese (ja)
Inventor
Hitoshi Yamaguchi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NEC Corp
Original Assignee
NEC Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by NEC Corp filed Critical NEC Corp
Priority to JP62157576A priority Critical patent/JPS644144A/en
Publication of JPS644144A publication Critical patent/JPS644144A/en
Pending legal-status Critical Current

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  • 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.
JP62157576A 1987-06-26 1987-06-26 Data transfer system Pending JPS644144A (en)

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)

* Cited by examiner, † Cited by third party
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

Cited By (5)

* Cited by examiner, † Cited by third party
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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