GB1380091A - Network connectable telephone switching and intercommunication equipment - Google Patents

Network connectable telephone switching and intercommunication equipment

Info

Publication number
GB1380091A
GB1380091A GB2527372A GB2527372A GB1380091A GB 1380091 A GB1380091 A GB 1380091A GB 2527372 A GB2527372 A GB 2527372A GB 2527372 A GB2527372 A GB 2527372A GB 1380091 A GB1380091 A GB 1380091A
Authority
GB
United Kingdom
Prior art keywords
circuit
caller
call
key
cross
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
GB2527372A
Other languages
English (en)
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.)
Electronique Appliquee SA
Original Assignee
Electronique Appliquee SA
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 Electronique Appliquee SA filed Critical Electronique Appliquee SA
Publication of GB1380091A publication Critical patent/GB1380091A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M9/00—Arrangements for interconnection not involving centralised switching
    • H04M9/002—Arrangements for interconnection not involving centralised switching with subscriber controlled access to a line, i.e. key telephone systems
    • H04M9/005—Arrangements for interconnection not involving centralised switching with subscriber controlled access to a line, i.e. key telephone systems with subscriber controlled access to an exchange line

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Relay Systems (AREA)
GB2527372A 1971-05-28 1972-05-30 Network connectable telephone switching and intercommunication equipment Expired GB1380091A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR717119627A FR2139693B1 (enExample) 1971-05-28 1971-05-28

Publications (1)

Publication Number Publication Date
GB1380091A true GB1380091A (en) 1975-01-08

Family

ID=9077859

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2527372A Expired GB1380091A (en) 1971-05-28 1972-05-30 Network connectable telephone switching and intercommunication equipment

Country Status (11)

Country Link
AT (1) AT322001B (enExample)
BR (1) BR7203431D0 (enExample)
CA (1) CA968051A (enExample)
CH (1) CH566687A5 (enExample)
ES (1) ES403276A1 (enExample)
FR (1) FR2139693B1 (enExample)
GB (1) GB1380091A (enExample)
IT (1) IT958991B (enExample)
NL (1) NL7207111A (enExample)
SE (1) SE371354B (enExample)
ZA (1) ZA723620B (enExample)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7907134A (nl) * 1979-09-25 1981-03-27 Ericsson Telefon Mij Telefooninstallatie van de als sterpuntinstallatie aangeduide soort.

Also Published As

Publication number Publication date
CA968051A (en) 1975-05-20
DE2225815A1 (de) 1972-12-14
SE371354B (enExample) 1974-11-11
BR7203431D0 (pt) 1973-08-23
FR2139693A1 (enExample) 1973-01-12
FR2139693B1 (enExample) 1973-05-25
ZA723620B (en) 1973-02-28
ES403276A1 (es) 1975-04-16
NL7207111A (enExample) 1972-11-30
AT322001B (de) 1975-04-25
IT958991B (it) 1973-10-30
CH566687A5 (enExample) 1975-09-15
DE2225815B2 (de) 1976-03-11

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Legal Events

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