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GB2156182B - Telephone exchange - Google Patents

Telephone exchange

Info

Publication number
GB2156182B
GB2156182B GB08406721A GB8406721A GB2156182B GB 2156182 B GB2156182 B GB 2156182B GB 08406721 A GB08406721 A GB 08406721A GB 8406721 A GB8406721 A GB 8406721A GB 2156182 B GB2156182 B GB 2156182B
Authority
GB
United Kingdom
Prior art keywords
telephone exchange
telephone
exchange
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
GB08406721A
Other versions
GB8406721D0 (en
GB2156182A (en
Inventor
Christopher David Pratt
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.)
STC PLC
Original Assignee
Standard Telephone and Cables PLC
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 Standard Telephone and Cables PLC filed Critical Standard Telephone and Cables PLC
Priority to GB08406721A priority Critical patent/GB2156182B/en
Publication of GB8406721D0 publication Critical patent/GB8406721D0/en
Publication of GB2156182A publication Critical patent/GB2156182A/en
Application granted granted Critical
Publication of GB2156182B publication Critical patent/GB2156182B/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q11/00—Selecting arrangements for multiplex systems
    • H04Q11/04—Selecting arrangements for multiplex systems for time-division multiplexing

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Exchange Systems With Centralized Control (AREA)
GB08406721A 1984-03-15 1984-03-15 Telephone exchange Expired GB2156182B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB08406721A GB2156182B (en) 1984-03-15 1984-03-15 Telephone exchange

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB08406721A GB2156182B (en) 1984-03-15 1984-03-15 Telephone exchange

Publications (3)

Publication Number Publication Date
GB8406721D0 GB8406721D0 (en) 1984-04-18
GB2156182A GB2156182A (en) 1985-10-02
GB2156182B true GB2156182B (en) 1987-05-28

Family

ID=10558108

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08406721A Expired GB2156182B (en) 1984-03-15 1984-03-15 Telephone exchange

Country Status (1)

Country Link
GB (1) GB2156182B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2200015A (en) * 1987-01-13 1988-07-20 Stc Plc Pabx
GR900100888A (en) * 1990-12-31 1992-11-23 Nikolaos Filippakopoulos Automatic telephone selector
GB2290675A (en) * 1994-06-22 1996-01-03 Engineering Support Limited Sy Telecommunications system

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2035754A (en) * 1978-11-29 1980-06-18 Post Office Provision of auxiliary services in telecommunications exchanges
GB2114398A (en) * 1982-01-25 1983-08-17 British Telecomm Improvements in or relating to electronic telephone exchanges

Also Published As

Publication number Publication date
GB8406721D0 (en) 1984-04-18
GB2156182A (en) 1985-10-02

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Legal Events

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