JPS5423307A - Data communication circuit of double-current loop - Google Patents

Data communication circuit of double-current loop

Info

Publication number
JPS5423307A
JPS5423307A JP8797977A JP8797977A JPS5423307A JP S5423307 A JPS5423307 A JP S5423307A JP 8797977 A JP8797977 A JP 8797977A JP 8797977 A JP8797977 A JP 8797977A JP S5423307 A JPS5423307 A JP S5423307A
Authority
JP
Japan
Prior art keywords
double
data communication
communication circuit
current loop
loop
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
Application number
JP8797977A
Other languages
Japanese (ja)
Other versions
JPS573256B2 (en
Inventor
Akira Sumi
Kenji Fujino
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.)
Yokogawa Electric Corp
Original Assignee
Yokogawa Hokushin Electric Corp
Yokogawa Electric Works Ltd
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 Yokogawa Hokushin Electric Corp, Yokogawa Electric Works Ltd filed Critical Yokogawa Hokushin Electric Corp
Priority to JP8797977A priority Critical patent/JPS5423307A/en
Publication of JPS5423307A publication Critical patent/JPS5423307A/en
Publication of JPS573256B2 publication Critical patent/JPS573256B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H04L12/42—Loop networks

Abstract

PURPOSE:To simplify a device with lines insulated mutually by using photo couplers.
JP8797977A 1977-07-22 1977-07-22 Data communication circuit of double-current loop Granted JPS5423307A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8797977A JPS5423307A (en) 1977-07-22 1977-07-22 Data communication circuit of double-current loop

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8797977A JPS5423307A (en) 1977-07-22 1977-07-22 Data communication circuit of double-current loop

Publications (2)

Publication Number Publication Date
JPS5423307A true JPS5423307A (en) 1979-02-21
JPS573256B2 JPS573256B2 (en) 1982-01-20

Family

ID=13929936

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8797977A Granted JPS5423307A (en) 1977-07-22 1977-07-22 Data communication circuit of double-current loop

Country Status (1)

Country Link
JP (1) JPS5423307A (en)

Also Published As

Publication number Publication date
JPS573256B2 (en) 1982-01-20

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