AU475146B2 - Automatic telephone exchanges - Google Patents

Automatic telephone exchanges

Info

Publication number
AU475146B2
AU475146B2 AU55961/73A AU5596173A AU475146B2 AU 475146 B2 AU475146 B2 AU 475146B2 AU 55961/73 A AU55961/73 A AU 55961/73A AU 5596173 A AU5596173 A AU 5596173A AU 475146 B2 AU475146 B2 AU 475146B2
Authority
AU
Australia
Prior art keywords
automatic telephone
telephone exchanges
exchanges
automatic
telephone
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
AU55961/73A
Other versions
AU5596173A (en
Inventor
Frederick Jones James Leonard Charles Crumbly James Allison Carlisle Cecil
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.)
Plessey Handel und Investments AG
Original Assignee
Plessey Handel und Investments AG
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 Handel und Investments AG filed Critical Plessey Handel und Investments AG
Publication of AU5596173A publication Critical patent/AU5596173A/en
Application granted granted Critical
Publication of AU475146B2 publication Critical patent/AU475146B2/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H04Q3/42—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker
    • H04Q3/54—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker in which the logic circuitry controlling the exchange is centralised

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Telephonic Communication Services (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
AU55961/73A 1972-05-19 1973-05-21 Automatic telephone exchanges Expired AU475146B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB23685 1972-05-19
GB2368572A GB1393156A (en) 1972-05-19 1972-05-19 Automatic telephone exchanges

Publications (2)

Publication Number Publication Date
AU5596173A AU5596173A (en) 1974-11-21
AU475146B2 true AU475146B2 (en) 1976-08-12

Family

ID=10199627

Family Applications (1)

Application Number Title Priority Date Filing Date
AU55961/73A Expired AU475146B2 (en) 1972-05-19 1973-05-21 Automatic telephone exchanges

Country Status (4)

Country Link
AU (1) AU475146B2 (en)
BR (1) BR7303683D0 (en)
GB (1) GB1393156A (en)
ZA (1) ZA733090B (en)

Also Published As

Publication number Publication date
BR7303683D0 (en) 1974-07-11
AU5596173A (en) 1974-11-21
ZA733090B (en) 1974-04-24
GB1393156A (en) 1975-05-07

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