GB1464539A - - Google Patents

Info

Publication number
GB1464539A
GB1464539A GB2794573A GB2794573A GB1464539A GB 1464539 A GB1464539 A GB 1464539A GB 2794573 A GB2794573 A GB 2794573A GB 2794573 A GB2794573 A GB 2794573A GB 1464539 A GB1464539 A GB 1464539A
Authority
GB
United Kingdom
Prior art keywords
digit
sub
call
exchange
calling
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
GB2794573A
Other languages
English (en)
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 GB2794573A priority Critical patent/GB1464539A/en
Publication of GB1464539A publication Critical patent/GB1464539A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04QSELECTING
    • H04Q3/00Selecting arrangements
    • H04Q3/0004Selecting arrangements using crossbar selectors in the switching stages

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Exchange Systems With Centralized Control (AREA)
GB2794573A 1974-06-10 1974-06-10 Expired GB1464539A (enExample)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2794573A GB1464539A (enExample) 1974-06-10 1974-06-10

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2794573A GB1464539A (enExample) 1974-06-10 1974-06-10

Publications (1)

Publication Number Publication Date
GB1464539A true GB1464539A (enExample) 1977-02-16

Family

ID=10267809

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2794573A Expired GB1464539A (enExample) 1974-06-10 1974-06-10

Country Status (1)

Country Link
GB (1) GB1464539A (enExample)

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GB1464539A (enExample)
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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee