CA990876A - Line circuit in automatic switching system - Google Patents

Line circuit in automatic switching system

Info

Publication number
CA990876A
CA990876A CA205,778A CA205778A CA990876A CA 990876 A CA990876 A CA 990876A CA 205778 A CA205778 A CA 205778A CA 990876 A CA990876 A CA 990876A
Authority
CA
Canada
Prior art keywords
switching system
automatic switching
line circuit
circuit
automatic
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.)
Expired
Application number
CA205,778A
Other languages
English (en)
Other versions
CA205778S (en
Inventor
Motosuke Kuwabara
Katsuyuki Jin
Hiromi Moriyama
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
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Application granted granted Critical
Publication of CA990876A publication Critical patent/CA990876A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Interface Circuits In Exchanges (AREA)
CA205,778A 1973-07-30 1974-07-26 Line circuit in automatic switching system Expired CA990876A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP48084878A JPS5034106A (cs) 1973-07-30 1973-07-30

Publications (1)

Publication Number Publication Date
CA990876A true CA990876A (en) 1976-06-08

Family

ID=13843029

Family Applications (1)

Application Number Title Priority Date Filing Date
CA205,778A Expired CA990876A (en) 1973-07-30 1974-07-26 Line circuit in automatic switching system

Country Status (4)

Country Link
US (1) US3906165A (cs)
JP (1) JPS5034106A (cs)
AU (1) AU472969B2 (cs)
CA (1) CA990876A (cs)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53109922A (en) * 1977-01-29 1978-09-26 Kureha Chem Ind Co Ltd Preparation of anti-tumor polysaccharides
JPS53109915A (en) * 1977-01-29 1978-09-26 Kureha Chem Ind Co Ltd Preparation of anti-tumor polysaccharides
JPS53109914A (en) * 1977-01-29 1978-09-26 Kureha Chem Ind Co Ltd Preparation of anti-tumor polysaccharides

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2199534A (en) * 1938-11-12 1940-05-07 Associated Electric Lab Inc Telephone system
US3156777A (en) * 1959-07-13 1964-11-10 Itt Balanced lockout line circuit
CH454231A (de) * 1965-11-17 1968-04-15 Siemens Ag Schaltungsanordnung für Teilnehmerschaltungen in Fernmeldeanlagen
US3770896A (en) * 1971-06-15 1973-11-06 Stromberg Carlson Corp Line circuit with lockout

Also Published As

Publication number Publication date
AU472969B2 (en) 1976-06-10
US3906165A (en) 1975-09-16
JPS5034106A (cs) 1975-04-02
AU7178374A (en) 1976-01-29

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