JPS5197911A - - Google Patents

Info

Publication number
JPS5197911A
JPS5197911A JP2289875A JP2289875A JPS5197911A JP S5197911 A JPS5197911 A JP S5197911A JP 2289875 A JP2289875 A JP 2289875A JP 2289875 A JP2289875 A JP 2289875A JP S5197911 A JPS5197911 A JP S5197911A
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.)
Pending
Application number
JP2289875A
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 JP2289875A priority Critical patent/JPS5197911A/ja
Priority to US05/660,780 priority patent/US4035586A/en
Priority to CA246,538A priority patent/CA1042122A/en
Priority to AU11430/76A priority patent/AU492799B2/en
Publication of JPS5197911A publication Critical patent/JPS5197911A/ja
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M19/00—Current supply arrangements for telephone systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M19/00—Current supply arrangements for telephone systems
    • H04M19/001—Current supply source at the exchanger providing current to substations

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Devices For Supply Of Signal Current (AREA)
JP2289875A 1975-02-26 1975-02-26 Pending JPS5197911A (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP2289875A JPS5197911A (ja) 1975-02-26 1975-02-26
US05/660,780 US4035586A (en) 1975-02-26 1976-02-24 Current supply system for terminal devices
CA246,538A CA1042122A (en) 1975-02-26 1976-02-25 Current supply system for subscriber line circuits
AU11430/76A AU492799B2 (en) 1976-02-26 Current supply system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2289875A JPS5197911A (ja) 1975-02-26 1975-02-26

Publications (1)

Publication Number Publication Date
JPS5197911A true JPS5197911A (ja) 1976-08-28

Family

ID=12095455

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2289875A Pending JPS5197911A (ja) 1975-02-26 1975-02-26

Country Status (3)

Country Link
US (1) US4035586A (ja)
JP (1) JPS5197911A (ja)
CA (1) CA1042122A (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53129904A (en) * 1977-04-19 1978-11-13 Fujitsu Ltd Exchange system

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1563802A (en) * 1975-11-10 1980-04-02 Post Office Electronic current feed circuit
GB2304254B (en) * 1995-08-04 1999-12-08 Nokia Telecommunications Oy Power supply for telecommunications devices
CA2312194A1 (fr) * 2000-06-13 2001-12-13 Mario Boucher Elastomeres reticulables fluores bromosulfones a faible tg a base de fluorure de vinylidene et ne contenant ni du tetrafluoroethylene ni de groupement siloxane

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3514543A (en) * 1968-03-29 1970-05-26 Hubbell Inc Harvey Battery insertion apparatus for extending loop telephone lines

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL6604015A (ja) * 1966-03-26 1967-09-27
US3522384A (en) * 1968-01-16 1970-07-28 Tri State Communication Servic Constant current operation of central office telephone equipment
US3621143A (en) * 1969-04-04 1971-11-16 Lorain Prod Corp Current-controlled voltage booster for telephone systems

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3514543A (en) * 1968-03-29 1970-05-26 Hubbell Inc Harvey Battery insertion apparatus for extending loop telephone lines

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53129904A (en) * 1977-04-19 1978-11-13 Fujitsu Ltd Exchange system

Also Published As

Publication number Publication date
US4035586A (en) 1977-07-12
AU1143076A (en) 1977-09-01
CA1042122A (en) 1978-11-07

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