GB1549006A - Telephone systems - Google Patents

Telephone systems

Info

Publication number
GB1549006A
GB1549006A GB29224/76A GB2922476A GB1549006A GB 1549006 A GB1549006 A GB 1549006A GB 29224/76 A GB29224/76 A GB 29224/76A GB 2922476 A GB2922476 A GB 2922476A GB 1549006 A GB1549006 A GB 1549006A
Authority
GB
United Kingdom
Prior art keywords
telephone systems
telephone
systems
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
GB29224/76A
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.)
Siemens Corp
Original Assignee
Siemens Corp
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 Siemens Corp filed Critical Siemens Corp
Publication of GB1549006A publication Critical patent/GB1549006A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/38—Graded-service arrangements, i.e. some subscribers prevented from establishing certain connections
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H04Q3/58—Arrangements providing connection between main exchange and sub-exchange or satellite
    • H04Q3/62—Arrangements providing connection between main exchange and sub-exchange or satellite for connecting to private branch exchanges
    • H04Q3/625—Arrangements in the private branch exchange

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Astronomy & Astrophysics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Meter Arrangements (AREA)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)
GB29224/76A 1975-09-15 1976-07-14 Telephone systems Expired GB1549006A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2541092A DE2541092C3 (de) 1975-09-15 1975-09-15 Schaltungsanordnung zur Zuteilung einer Berechtigungsart in Nebenstellenanlagen

Publications (1)

Publication Number Publication Date
GB1549006A true GB1549006A (en) 1979-08-01

Family

ID=5956525

Family Applications (1)

Application Number Title Priority Date Filing Date
GB29224/76A Expired GB1549006A (en) 1975-09-15 1976-07-14 Telephone systems

Country Status (9)

Country Link
JP (1) JPS5235909A (enrdf_load_stackoverflow)
AT (1) AT346914B (enrdf_load_stackoverflow)
BE (1) BE846230A (enrdf_load_stackoverflow)
CH (1) CH607487A5 (enrdf_load_stackoverflow)
DE (1) DE2541092C3 (enrdf_load_stackoverflow)
FR (1) FR2324173A1 (enrdf_load_stackoverflow)
GB (1) GB1549006A (enrdf_load_stackoverflow)
IT (1) IT1072760B (enrdf_load_stackoverflow)
SE (1) SE421367B (enrdf_load_stackoverflow)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2832850C2 (de) * 1978-07-26 1986-05-28 Siemens AG, 1000 Berlin und 8000 München Schaltungsanordnung für Fernmeldevermittlungsanlagen, insbesondere Fernsprechvermittlungsanlagen, mit Berechtigungsbewertung
JPS589630Y2 (ja) * 1979-08-22 1983-02-22 日本鋼管株式会社 残土改良機
DE3409134A1 (de) * 1984-03-09 1985-09-12 Deutsche Telephonwerke Und Kabelindustrie Ag, 1000 Berlin Verfahren und schaltungsanordnung fuer leitungssaetze fuer sperreinrichtungen

Also Published As

Publication number Publication date
FR2324173A1 (fr) 1977-04-08
SE421367B (sv) 1981-12-14
DE2541092C3 (de) 1979-11-22
JPS5235909A (en) 1977-03-18
IT1072760B (it) 1985-04-10
FR2324173B1 (enrdf_load_stackoverflow) 1981-09-04
DE2541092A1 (de) 1977-03-17
SE7610179L (sv) 1977-03-16
ATA592076A (de) 1978-04-15
JPS5739112B2 (enrdf_load_stackoverflow) 1982-08-19
DE2541092B2 (de) 1977-11-03
AT346914B (de) 1978-12-11
BE846230A (fr) 1977-03-15
CH607487A5 (enrdf_load_stackoverflow) 1978-12-29

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee