JPS5423309A - Data communication circuit of double-current loop - Google Patents

Data communication circuit of double-current loop

Info

Publication number
JPS5423309A
JPS5423309A JP8798177A JP8798177A JPS5423309A JP S5423309 A JPS5423309 A JP S5423309A JP 8798177 A JP8798177 A JP 8798177A JP 8798177 A JP8798177 A JP 8798177A JP S5423309 A JPS5423309 A JP S5423309A
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
JP8798177A
Other languages
Japanese (ja)
Other versions
JPS573258B2 (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 JP8798177A priority Critical patent/JPS5423309A/en
Publication of JPS5423309A publication Critical patent/JPS5423309A/en
Publication of JPS573258B2 publication Critical patent/JPS573258B2/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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Bidirectional Digital Transmission (AREA)
  • Dc Digital Transmission (AREA)
  • Small-Scale Networks (AREA)
  • Optical Communication System (AREA)

Abstract

PURPOSE:To simplify a device with lines insulated mutually by using photo couplers.
JP8798177A 1977-07-22 1977-07-22 Data communication circuit of double-current loop Granted JPS5423309A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8798177A JPS5423309A (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
JP8798177A JPS5423309A (en) 1977-07-22 1977-07-22 Data communication circuit of double-current loop

Publications (2)

Publication Number Publication Date
JPS5423309A true JPS5423309A (en) 1979-02-21
JPS573258B2 JPS573258B2 (en) 1982-01-20

Family

ID=13929991

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8798177A Granted JPS5423309A (en) 1977-07-22 1977-07-22 Data communication circuit of double-current loop

Country Status (1)

Country Link
JP (1) JPS5423309A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57128260U (en) * 1981-02-02 1982-08-10
KR100747476B1 (en) * 2005-08-26 2007-08-09 엘지전자 주식회사 Multi-step bending type valve of compressor

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5922461U (en) * 1982-08-03 1984-02-10 株式会社学習研究社 number teaching tools

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57128260U (en) * 1981-02-02 1982-08-10
KR100747476B1 (en) * 2005-08-26 2007-08-09 엘지전자 주식회사 Multi-step bending type valve of compressor

Also Published As

Publication number Publication date
JPS573258B2 (en) 1982-01-20

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