JPS6358421B2 - - Google Patents

Info

Publication number
JPS6358421B2
JPS6358421B2 JP6092980A JP6092980A JPS6358421B2 JP S6358421 B2 JPS6358421 B2 JP S6358421B2 JP 6092980 A JP6092980 A JP 6092980A JP 6092980 A JP6092980 A JP 6092980A JP S6358421 B2 JPS6358421 B2 JP S6358421B2
Authority
JP
Japan
Prior art keywords
circuit
voltage
line
detection section
signal
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.)
Expired
Application number
JP6092980A
Other languages
English (en)
Japanese (ja)
Other versions
JPS56157168A (en
Inventor
Kazuhiko Shirai
Masanori Nakazawa
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
Nippon Telegraph and Telephone Corp
Original Assignee
Nippon Telegraph and Telephone Corp
Nippon Electric Co 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 Nippon Telegraph and Telephone Corp, Nippon Electric Co Ltd filed Critical Nippon Telegraph and Telephone Corp
Priority to JP6092980A priority Critical patent/JPS56157168A/ja
Publication of JPS56157168A publication Critical patent/JPS56157168A/ja
Publication of JPS6358421B2 publication Critical patent/JPS6358421B2/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
    • H04L12/02—Details
    • H04L12/10—Current supply arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Devices For Supply Of Signal Current (AREA)
JP6092980A 1980-05-08 1980-05-08 Start deciding circuit of network control device Granted JPS56157168A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6092980A JPS56157168A (en) 1980-05-08 1980-05-08 Start deciding circuit of network control device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6092980A JPS56157168A (en) 1980-05-08 1980-05-08 Start deciding circuit of network control device

Publications (2)

Publication Number Publication Date
JPS56157168A JPS56157168A (en) 1981-12-04
JPS6358421B2 true JPS6358421B2 (de) 1988-11-15

Family

ID=13156556

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6092980A Granted JPS56157168A (en) 1980-05-08 1980-05-08 Start deciding circuit of network control device

Country Status (1)

Country Link
JP (1) JPS56157168A (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60224366A (ja) * 1984-04-23 1985-11-08 Nec Corp 網制御装置の線路判定回路
JP2859908B2 (ja) * 1989-11-21 1999-02-24 東京瓦斯株式会社 網制御装置

Also Published As

Publication number Publication date
JPS56157168A (en) 1981-12-04

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