PT67351B - Circuit arrangements for use in telephone exchange systems - Google Patents

Circuit arrangements for use in telephone exchange systems

Info

Publication number
PT67351B
PT67351B PT67351A PT6735177A PT67351B PT 67351 B PT67351 B PT 67351B PT 67351 A PT67351 A PT 67351A PT 6735177 A PT6735177 A PT 6735177A PT 67351 B PT67351 B PT 67351B
Authority
PT
Portugal
Prior art keywords
telephone exchange
circuit arrangements
exchange systems
systems
arrangements
Prior art date
Application number
PT67351A
Other languages
English (en)
Portuguese (pt)
Other versions
PT67351A (en
Original Assignee
Plessey Overseas
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 Plessey Overseas filed Critical Plessey Overseas
Publication of PT67351A publication Critical patent/PT67351A/pt
Publication of PT67351B publication Critical patent/PT67351B/pt

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H04Q3/0016—Arrangements providing connection between exchanges

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Exchange Systems With Centralized Control (AREA)
  • Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
  • Telephonic Communication Services (AREA)
PT67351A 1976-12-03 1977-11-30 Circuit arrangements for use in telephone exchange systems PT67351B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB50451/76A GB1570086A (en) 1976-12-03 1976-12-03 Circuit arrangements for use in telephones exchange systems

Publications (2)

Publication Number Publication Date
PT67351A PT67351A (en) 1977-12-01
PT67351B true PT67351B (en) 1979-04-26

Family

ID=10455943

Family Applications (1)

Application Number Title Priority Date Filing Date
PT67351A PT67351B (en) 1976-12-03 1977-11-30 Circuit arrangements for use in telephone exchange systems

Country Status (13)

Country Link
US (1) US4161630A (OSRAM)
JP (1) JPS53121407A (OSRAM)
AU (1) AU512399B2 (OSRAM)
BR (1) BR7708084A (OSRAM)
CA (1) CA1085498A (OSRAM)
DE (1) DE2753776C2 (OSRAM)
GB (1) GB1570086A (OSRAM)
IN (1) IN148583B (OSRAM)
NL (1) NL7713399A (OSRAM)
NZ (1) NZ185828A (OSRAM)
PT (1) PT67351B (OSRAM)
SE (1) SE436677B (OSRAM)
ZA (1) ZA777049B (OSRAM)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3418458A1 (de) * 1984-02-13 1985-11-21 Telefonbau Und Normalzeit Gmbh, 6000 Frankfurt Schaltungsanordnung fuer den kennzeichenaustausch zwischen als haupt- und unteranlagen zusammengeschalteten fernsprechvermittlungsanlagen
DE3405013C2 (de) * 1984-02-13 1986-01-09 Telefonbau Und Normalzeit Gmbh, 6000 Frankfurt Schaltungsanordnung für den Kennzeichenaustausch zwischen als Haupt- und Unteranlagen zusammengeschalteten Fernsprechvermittlungsanlagen
US4617427A (en) * 1985-02-13 1986-10-14 Northern Telecom Limited Square root circuit
JPH0464528A (ja) * 1990-07-03 1992-02-28 Ube Ind Ltd ロータリバルブ

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3671677A (en) * 1970-07-23 1972-06-20 Stromberg Carlson Corp Outgoing register sender system
JPS511012A (en) * 1974-06-22 1976-01-07 Fujitsu Ltd Mfc shingochukeisoshutsuhoshiki
US3941938A (en) * 1974-09-27 1976-03-02 Gte Automatic Electric (Canada) Limited Time shared TCMF and MF decoder
US4048450A (en) * 1974-10-25 1977-09-13 Bernard Jean Michel Trunk circuit traffic analyzer

Also Published As

Publication number Publication date
JPS53121407A (en) 1978-10-23
SE7713645L (sv) 1978-06-04
NZ185828A (en) 1980-10-24
BR7708084A (pt) 1978-09-05
AU3110777A (en) 1979-06-07
GB1570086A (en) 1980-06-25
ZA777049B (en) 1978-09-27
PT67351A (en) 1977-12-01
CA1085498A (en) 1980-09-09
JPS618637B2 (OSRAM) 1986-03-15
US4161630A (en) 1979-07-17
SE436677B (sv) 1985-01-14
AU512399B2 (en) 1980-10-09
DE2753776C2 (de) 1983-12-08
DE2753776A1 (de) 1978-06-08
NL7713399A (nl) 1978-06-06
IN148583B (OSRAM) 1981-04-04

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