BR7310089D0 - Um sistema de central telefonica - Google Patents

Um sistema de central telefonica

Info

Publication number
BR7310089D0
BR7310089D0 BR10089/73A BR1008973A BR7310089D0 BR 7310089 D0 BR7310089 D0 BR 7310089D0 BR 10089/73 A BR10089/73 A BR 10089/73A BR 1008973 A BR1008973 A BR 1008973A BR 7310089 D0 BR7310089 D0 BR 7310089D0
Authority
BR
Brazil
Prior art keywords
center system
telephone center
telephone
center
Prior art date
Application number
BR10089/73A
Other languages
English (en)
Portuguese (pt)
Inventor
Kuwabara Motosuke
Tsuruda Tadao
Moriyama Hiromi
Jin Katsuyuki
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
Publication of BR7310089D0 publication Critical patent/BR7310089D0/pt

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H04Q3/0004—Selecting arrangements using crossbar selectors in the switching stages

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Interface Circuits In Exchanges (AREA)
BR10089/73A 1972-12-25 1973-12-21 Um sistema de central telefonica BR7310089D0 (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP47129260A JPS4987208A (OSRAM) 1972-12-25 1972-12-25

Publications (1)

Publication Number Publication Date
BR7310089D0 true BR7310089D0 (pt) 1974-08-15

Family

ID=15005156

Family Applications (1)

Application Number Title Priority Date Filing Date
BR10089/73A BR7310089D0 (pt) 1972-12-25 1973-12-21 Um sistema de central telefonica

Country Status (5)

Country Link
US (1) US3941952A (OSRAM)
JP (1) JPS4987208A (OSRAM)
AU (1) AU473570B2 (OSRAM)
BR (1) BR7310089D0 (OSRAM)
CA (1) CA998153A (OSRAM)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53114602A (en) * 1977-03-17 1978-10-06 Fujitsu Ltd Off-normal control system

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL236109A (OSRAM) * 1958-02-14

Also Published As

Publication number Publication date
JPS4987208A (OSRAM) 1974-08-21
CA998153A (en) 1976-10-05
AU473570B2 (en) 1976-06-24
US3941952A (en) 1976-03-02
AU6393773A (en) 1975-07-03

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