JPS52130220A - Loop monitor circuit - Google Patents

Loop monitor circuit

Info

Publication number
JPS52130220A
JPS52130220A JP4690176A JP4690176A JPS52130220A JP S52130220 A JPS52130220 A JP S52130220A JP 4690176 A JP4690176 A JP 4690176A JP 4690176 A JP4690176 A JP 4690176A JP S52130220 A JPS52130220 A JP S52130220A
Authority
JP
Japan
Prior art keywords
monitor circuit
loop monitor
loop
small
telephones
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
JP4690176A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5528631B2 (OSRAM
Inventor
Masato Fujisawa
Kenzo Takada
Mitsutoshi Ayano
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
Original Assignee
Fujitsu 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 filed Critical Fujitsu Ltd
Priority to JP4690176A priority Critical patent/JPS52130220A/ja
Publication of JPS52130220A publication Critical patent/JPS52130220A/ja
Publication of JPS5528631B2 publication Critical patent/JPS5528631B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Devices For Supply Of Signal Current (AREA)
  • Interface Circuits In Exchanges (AREA)
JP4690176A 1976-04-24 1976-04-24 Loop monitor circuit Granted JPS52130220A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4690176A JPS52130220A (en) 1976-04-24 1976-04-24 Loop monitor circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4690176A JPS52130220A (en) 1976-04-24 1976-04-24 Loop monitor circuit

Publications (2)

Publication Number Publication Date
JPS52130220A true JPS52130220A (en) 1977-11-01
JPS5528631B2 JPS5528631B2 (OSRAM) 1980-07-29

Family

ID=12760257

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4690176A Granted JPS52130220A (en) 1976-04-24 1976-04-24 Loop monitor circuit

Country Status (1)

Country Link
JP (1) JPS52130220A (OSRAM)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0258625A (ja) * 1988-08-22 1990-02-27 Toshiro Suzuki 基礎くい

Also Published As

Publication number Publication date
JPS5528631B2 (OSRAM) 1980-07-29

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