JPH0254717B2 - - Google Patents

Info

Publication number
JPH0254717B2
JPH0254717B2 JP18159481A JP18159481A JPH0254717B2 JP H0254717 B2 JPH0254717 B2 JP H0254717B2 JP 18159481 A JP18159481 A JP 18159481A JP 18159481 A JP18159481 A JP 18159481A JP H0254717 B2 JPH0254717 B2 JP H0254717B2
Authority
JP
Japan
Prior art keywords
circuit
subscriber line
monitoring
monitoring circuit
subscriber
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
JP18159481A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5883492A (ja
Inventor
Masahiko Oono
Koichi Hagishima
Toshuki Tawara
Shinichi Iribe
Kazuhiko Ito
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.)
Fujitsu Ltd
Hitachi Ltd
NEC Corp
Nippon Telegraph and Telephone Corp
Oki Electric Industry Co Ltd
Original Assignee
Fujitsu Ltd
Hitachi Ltd
Nippon Telegraph and Telephone Corp
Oki Electric Industry Co Ltd
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 Fujitsu Ltd, Hitachi Ltd, Nippon Telegraph and Telephone Corp, Oki Electric Industry Co Ltd, Nippon Electric Co Ltd filed Critical Fujitsu Ltd
Priority to JP56181594A priority Critical patent/JPS5883492A/ja
Publication of JPS5883492A publication Critical patent/JPS5883492A/ja
Publication of JPH0254717B2 publication Critical patent/JPH0254717B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Devices For Supply Of Signal Current (AREA)
  • Interface Circuits In Exchanges (AREA)
JP56181594A 1981-11-12 1981-11-12 加入者回路の低電力化方式 Granted JPS5883492A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56181594A JPS5883492A (ja) 1981-11-12 1981-11-12 加入者回路の低電力化方式

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56181594A JPS5883492A (ja) 1981-11-12 1981-11-12 加入者回路の低電力化方式

Publications (2)

Publication Number Publication Date
JPS5883492A JPS5883492A (ja) 1983-05-19
JPH0254717B2 true JPH0254717B2 (enrdf_load_stackoverflow) 1990-11-22

Family

ID=16103533

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56181594A Granted JPS5883492A (ja) 1981-11-12 1981-11-12 加入者回路の低電力化方式

Country Status (1)

Country Link
JP (1) JPS5883492A (enrdf_load_stackoverflow)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4598173A (en) * 1984-10-15 1986-07-01 Itt Corporation Interface circuit for a subscriber line circuit
US4602130A (en) * 1984-10-15 1986-07-22 Itt Corporation Dual voltage source feed circuit configuration for a telephone line circuit
SE453240B (sv) * 1986-05-06 1988-01-18 Ericsson Telefon Ab L M Anordning i ett telekommunikationssystem for att strommata en telefonapparat

Also Published As

Publication number Publication date
JPS5883492A (ja) 1983-05-19

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