GB761111A - Improvements in or relating to telephone systems - Google Patents

Improvements in or relating to telephone systems

Info

Publication number
GB761111A
GB761111A GB2052654A GB2052654A GB761111A GB 761111 A GB761111 A GB 761111A GB 2052654 A GB2052654 A GB 2052654A GB 2052654 A GB2052654 A GB 2052654A GB 761111 A GB761111 A GB 761111A
Authority
GB
United Kingdom
Prior art keywords
register
group
level relay
hunt
circuit
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
GB2052654A
Other languages
English (en)
Inventor
James Gordon Pearce
James Frederick Denby
Alan Heathcoate
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.)
Automatic Telephone and Electric Co Ltd
Original Assignee
Automatic Telephone and Electric Co Ltd
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 Automatic Telephone and Electric Co Ltd filed Critical Automatic Telephone and Electric Co Ltd
Priority to GB2052654A priority Critical patent/GB761111A/en
Priority to DEA20909A priority patent/DE972844C/de
Publication of GB761111A publication Critical patent/GB761111A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H04Q3/0008—Selecting arrangements using relay selectors in the switching stages
    • H04Q3/0012—Selecting arrangements using relay selectors in the switching stages in which the relays are arranged in a matrix configuration

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Exchange Systems With Centralized Control (AREA)
  • Quick-Acting Or Multi-Walled Pipe Joints (AREA)
GB2052654A 1953-08-07 1953-08-07 Improvements in or relating to telephone systems Expired GB761111A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB2052654A GB761111A (en) 1953-08-07 1953-08-07 Improvements in or relating to telephone systems
DEA20909A DE972844C (de) 1953-08-07 1954-08-07 Schaltungsanordnung fuer Fernsprechanlagen, insbesondere Selbstanschluss-Fernsprechanlagen

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2052654A GB761111A (en) 1953-08-07 1953-08-07 Improvements in or relating to telephone systems

Publications (1)

Publication Number Publication Date
GB761111A true GB761111A (en) 1956-11-07

Family

ID=10147329

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2052654A Expired GB761111A (en) 1953-08-07 1953-08-07 Improvements in or relating to telephone systems

Country Status (2)

Country Link
DE (1) DE972844C (de)
GB (1) GB761111A (de)

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1543893A (en) * 1923-03-31 1925-06-30 Western Electric Co Telephone system
US1877672A (en) * 1930-05-31 1932-09-13 Ericsson Telefon Ab L M Telephone plant
DE872964C (de) * 1942-10-08 1953-04-09 Normalzeit G M B H Schaltungsanordnung fuer Fernmeldeanlagen mit Waehlerbetrieb
DE829312C (de) * 1948-11-13 1952-01-24 Siemens & Halske A G Schaltungsanordnung fuer Fernmelde-, insbesondere Fernsprechanlagen mit Waehlerbetrieb und Stromstosswiederholern
GB683847A (en) * 1950-09-05 1952-12-03 Gen Electric Co Ltd Improvements in automatic telephone systems
DE927452C (de) * 1953-02-06 1955-05-09 Siemens Ag Schaltungsanordnung fuer Suchwaehler
DE938676C (de) * 1953-02-06 1956-02-02 Siemens Ag Schaltungsanordnung zur Anschaltung von mehreren Verbindungswegen gemeinsam zugeordneten Verzonungseinrichtungen ueber Suchwaehler an den Verbindungswegen individuell zugeordnete Zaheleinrichtungen

Also Published As

Publication number Publication date
DE972844C (de) 1959-10-08

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