JPS5272107A - Circuit monitoring system - Google Patents

Circuit monitoring system

Info

Publication number
JPS5272107A
JPS5272107A JP50147416A JP14741675A JPS5272107A JP S5272107 A JPS5272107 A JP S5272107A JP 50147416 A JP50147416 A JP 50147416A JP 14741675 A JP14741675 A JP 14741675A JP S5272107 A JPS5272107 A JP S5272107A
Authority
JP
Japan
Prior art keywords
monitoring system
circuit monitoring
circuit
circuits
impertinently
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
JP50147416A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5730341B2 (enExample
Inventor
Etsugo Yoneda
Hiroshi Inaba
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.)
NTT Inc
Original Assignee
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 Nippon Telegraph and Telephone Corp filed Critical Nippon Telegraph and Telephone Corp
Priority to JP50147416A priority Critical patent/JPS5272107A/ja
Publication of JPS5272107A publication Critical patent/JPS5272107A/ja
Publication of JPS5730341B2 publication Critical patent/JPS5730341B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Detection And Prevention Of Errors In Transmission (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Dc Digital Transmission (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
JP50147416A 1975-12-12 1975-12-12 Circuit monitoring system Granted JPS5272107A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50147416A JPS5272107A (en) 1975-12-12 1975-12-12 Circuit monitoring system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50147416A JPS5272107A (en) 1975-12-12 1975-12-12 Circuit monitoring system

Publications (2)

Publication Number Publication Date
JPS5272107A true JPS5272107A (en) 1977-06-16
JPS5730341B2 JPS5730341B2 (enExample) 1982-06-28

Family

ID=15429800

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50147416A Granted JPS5272107A (en) 1975-12-12 1975-12-12 Circuit monitoring system

Country Status (1)

Country Link
JP (1) JPS5272107A (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4626720A (en) * 1981-03-06 1986-12-02 Hitachi, Ltd. Cooling apparatus for motor means to protect commutator from dust and moisture in cooling air

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4626720A (en) * 1981-03-06 1986-12-02 Hitachi, Ltd. Cooling apparatus for motor means to protect commutator from dust and moisture in cooling air

Also Published As

Publication number Publication date
JPS5730341B2 (enExample) 1982-06-28

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