JPS5413323B2 - - Google Patents

Info

Publication number
JPS5413323B2
JPS5413323B2 JP5915275A JP5915275A JPS5413323B2 JP S5413323 B2 JPS5413323 B2 JP S5413323B2 JP 5915275 A JP5915275 A JP 5915275A JP 5915275 A JP5915275 A JP 5915275A JP S5413323 B2 JPS5413323 B2 JP S5413323B2
Authority
JP
Japan
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
Application number
JP5915275A
Other languages
Japanese (ja)
Other versions
JPS51134506A (en
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 filed Critical
Priority to JP5915275A priority Critical patent/JPS51134506A/ja
Publication of JPS51134506A publication Critical patent/JPS51134506A/ja
Publication of JPS5413323B2 publication Critical patent/JPS5413323B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/22—Arrangements for supervision, monitoring or testing
    • H04M3/2272—Subscriber line supervision circuits, e.g. call detection circuits

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Devices For Supply Of Signal Current (AREA)
  • Interface Circuits In Exchanges (AREA)
JP5915275A 1975-05-16 1975-05-16 Subscriber's circuit Granted JPS51134506A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5915275A JPS51134506A (en) 1975-05-16 1975-05-16 Subscriber's circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5915275A JPS51134506A (en) 1975-05-16 1975-05-16 Subscriber's circuit

Publications (2)

Publication Number Publication Date
JPS51134506A JPS51134506A (en) 1976-11-22
JPS5413323B2 true JPS5413323B2 (enrdf_load_stackoverflow) 1979-05-30

Family

ID=13105079

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5915275A Granted JPS51134506A (en) 1975-05-16 1975-05-16 Subscriber's circuit

Country Status (1)

Country Link
JP (1) JPS51134506A (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4087646A (en) * 1977-01-28 1978-05-02 Bell Telephone Laboratories, Incorporated Dual mode telephone subscriber loop current detector

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL267227A (enrdf_load_stackoverflow) * 1960-07-21
US3838223A (en) * 1973-10-01 1974-09-24 Gte Automatic Electric Lab Inc Ring trip and dial pulse detection circuit

Also Published As

Publication number Publication date
JPS51134506A (en) 1976-11-22

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