JPS5778323A - Fault current breaking system in telephone subscriber's safety circuit - Google Patents

Fault current breaking system in telephone subscriber's safety circuit

Info

Publication number
JPS5778323A
JPS5778323A JP15307380A JP15307380A JPS5778323A JP S5778323 A JPS5778323 A JP S5778323A JP 15307380 A JP15307380 A JP 15307380A JP 15307380 A JP15307380 A JP 15307380A JP S5778323 A JPS5778323 A JP S5778323A
Authority
JP
Japan
Prior art keywords
fault current
safety circuit
telephone subscriber
current breaking
breaking system
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
JP15307380A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6217458B2 (enrdf_load_stackoverflow
Inventor
Chiyuki Nakamura
Tsunehisa Toukawa
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.)
Nippon Telegraph and Telephone Corp
Hakusan Seisakusho Co Ltd
Original Assignee
Nippon Telegraph and Telephone Corp
Hakusan Seisakusho 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, Hakusan Seisakusho Co Ltd filed Critical Nippon Telegraph and Telephone Corp
Priority to JP15307380A priority Critical patent/JPS5778323A/ja
Publication of JPS5778323A publication Critical patent/JPS5778323A/ja
Publication of JPS6217458B2 publication Critical patent/JPS6217458B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Emergency Protection Circuit Devices (AREA)
  • Structure Of Telephone Exchanges (AREA)
JP15307380A 1980-10-31 1980-10-31 Fault current breaking system in telephone subscriber's safety circuit Granted JPS5778323A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15307380A JPS5778323A (en) 1980-10-31 1980-10-31 Fault current breaking system in telephone subscriber's safety circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15307380A JPS5778323A (en) 1980-10-31 1980-10-31 Fault current breaking system in telephone subscriber's safety circuit

Publications (2)

Publication Number Publication Date
JPS5778323A true JPS5778323A (en) 1982-05-17
JPS6217458B2 JPS6217458B2 (enrdf_load_stackoverflow) 1987-04-17

Family

ID=15554381

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15307380A Granted JPS5778323A (en) 1980-10-31 1980-10-31 Fault current breaking system in telephone subscriber's safety circuit

Country Status (1)

Country Link
JP (1) JPS5778323A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
JPS6217458B2 (enrdf_load_stackoverflow) 1987-04-17

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