JPS5348405A - Lighting surge protective method of exchange - Google Patents

Lighting surge protective method of exchange

Info

Publication number
JPS5348405A
JPS5348405A JP12286376A JP12286376A JPS5348405A JP S5348405 A JPS5348405 A JP S5348405A JP 12286376 A JP12286376 A JP 12286376A JP 12286376 A JP12286376 A JP 12286376A JP S5348405 A JPS5348405 A JP S5348405A
Authority
JP
Japan
Prior art keywords
exchange
surge protective
protective method
lighting surge
lighting
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
JP12286376A
Other languages
English (en)
Japanese (ja)
Other versions
JPS577515B2 (OSRAM
Inventor
Shinji Okuhara
Ichiro Ohigata
Hideo Suzuki
Masae Ogoshi
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
NTT Inc
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 JP12286376A priority Critical patent/JPS5348405A/ja
Publication of JPS5348405A publication Critical patent/JPS5348405A/ja
Publication of JPS577515B2 publication Critical patent/JPS577515B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H04Q3/42—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker
    • H04Q3/52—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker using static devices in switching stages, e.g. electronic switching arrangements
    • H04Q3/521—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker using static devices in switching stages, e.g. electronic switching arrangements using semiconductors in the switching stages

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
JP12286376A 1976-10-15 1976-10-15 Lighting surge protective method of exchange Granted JPS5348405A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12286376A JPS5348405A (en) 1976-10-15 1976-10-15 Lighting surge protective method of exchange

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12286376A JPS5348405A (en) 1976-10-15 1976-10-15 Lighting surge protective method of exchange

Publications (2)

Publication Number Publication Date
JPS5348405A true JPS5348405A (en) 1978-05-01
JPS577515B2 JPS577515B2 (OSRAM) 1982-02-10

Family

ID=14846489

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12286376A Granted JPS5348405A (en) 1976-10-15 1976-10-15 Lighting surge protective method of exchange

Country Status (1)

Country Link
JP (1) JPS5348405A (OSRAM)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57138256A (en) * 1981-01-20 1982-08-26 Philips Nv Substriber line circuit

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57138256A (en) * 1981-01-20 1982-08-26 Philips Nv Substriber line circuit

Also Published As

Publication number Publication date
JPS577515B2 (OSRAM) 1982-02-10

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