JPH0527317B2 - - Google Patents

Info

Publication number
JPH0527317B2
JPH0527317B2 JP58177996A JP17799683A JPH0527317B2 JP H0527317 B2 JPH0527317 B2 JP H0527317B2 JP 58177996 A JP58177996 A JP 58177996A JP 17799683 A JP17799683 A JP 17799683A JP H0527317 B2 JPH0527317 B2 JP H0527317B2
Authority
JP
Japan
Prior art keywords
line
wire
impedance
circuit
exchange
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 - Lifetime
Application number
JP58177996A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6070893A (ja
Inventor
Kozo Kamata
Hirotoshi Shirasu
Eiichi Amada
Juichi Morikawa
Hirohiko Sato
Masaji Muranaka
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.)
Hitachi Ltd
Nippon Telegraph and Telephone Corp
Original Assignee
Hitachi Ltd
Nippon Telegraph and Telephone 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 Hitachi Ltd, Nippon Telegraph and Telephone Corp filed Critical Hitachi Ltd
Priority to JP17799683A priority Critical patent/JPS6070893A/ja
Publication of JPS6070893A publication Critical patent/JPS6070893A/ja
Publication of JPH0527317B2 publication Critical patent/JPH0527317B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/005—Interface circuits for subscriber lines

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Interface Circuits In Exchanges (AREA)
JP17799683A 1983-09-28 1983-09-28 ライン回路の自動成端方式 Granted JPS6070893A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP17799683A JPS6070893A (ja) 1983-09-28 1983-09-28 ライン回路の自動成端方式

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP17799683A JPS6070893A (ja) 1983-09-28 1983-09-28 ライン回路の自動成端方式

Publications (2)

Publication Number Publication Date
JPS6070893A JPS6070893A (ja) 1985-04-22
JPH0527317B2 true JPH0527317B2 (enrdf_load_stackoverflow) 1993-04-20

Family

ID=16040716

Family Applications (1)

Application Number Title Priority Date Filing Date
JP17799683A Granted JPS6070893A (ja) 1983-09-28 1983-09-28 ライン回路の自動成端方式

Country Status (1)

Country Link
JP (1) JPS6070893A (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01135130A (ja) * 1987-11-19 1989-05-26 Nec Corp 符号復号器

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5483498A (en) * 1977-12-16 1979-07-03 Hitachi Ltd Magnet current control circuit in mass spectrometer
JPS5580989A (en) * 1978-12-15 1980-06-18 Nec Corp Automatic balancing system for exchange
JPS56122580A (en) * 1980-03-03 1981-09-26 Hitachi Ltd Line terminating system of time division telephone switchboard
JPS56162568A (en) * 1980-05-19 1981-12-14 Fujitsu Ltd Control system for operator circuit
JPS59128892A (ja) * 1983-01-12 1984-07-25 Fujitsu Ltd 平衡回路網の自動可変方式

Also Published As

Publication number Publication date
JPS6070893A (ja) 1985-04-22

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