[go: up one dir, main page]

GB747173A - Automatic switching system - Google Patents

Automatic switching system

Info

Publication number
GB747173A
GB747173A GB12348/51A GB1234851A GB747173A GB 747173 A GB747173 A GB 747173A GB 12348/51 A GB12348/51 A GB 12348/51A GB 1234851 A GB1234851 A GB 1234851A GB 747173 A GB747173 A GB 747173A
Authority
GB
United Kingdom
Prior art keywords
selectors
groups
incoming
final
group
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
GB12348/51A
Other languages
English (en)
Inventor
Roelof Maarten Marie Oberman
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.)
Nederlanden Staat
Original Assignee
Nederlanden Staat
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 Nederlanden Staat filed Critical Nederlanden Staat
Publication of GB747173A publication Critical patent/GB747173A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H04Q3/42—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Telephonic Communication Services (AREA)
  • Exchange Systems With Centralized Control (AREA)
GB12348/51A 1950-06-16 1951-05-25 Automatic switching system Expired GB747173A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL299889X 1950-06-16

Publications (1)

Publication Number Publication Date
GB747173A true GB747173A (en) 1956-03-28

Family

ID=19783209

Family Applications (1)

Application Number Title Priority Date Filing Date
GB12348/51A Expired GB747173A (en) 1950-06-16 1951-05-25 Automatic switching system

Country Status (6)

Country Link
BE (1) BE503597A (de)
CH (1) CH299889A (de)
DE (1) DE974596C (de)
FR (1) FR1050285A (de)
GB (1) GB747173A (de)
NL (2) NL154221B (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL267039A (de) * 1960-07-18
NL272353A (de) * 1960-12-21

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB191413524A (en) * 1914-06-03 1915-04-01 Western Electric Co Ltd Improvements in Automatic Switching Mechanisms and more particularly for use in connection with Telephone Systems.
GB191509345A (en) * 1915-06-25 1916-06-26 Relay Automatic Telephone Co L Improvements in Automatic and Semi-automatic Telephone Systems.
AT126861B (de) * 1927-07-30 1932-02-25 Gotthilf Ansgarius Betulander Einrichtung an selbsttätigen Fernsprechsystemen.
GB320366A (en) * 1928-07-10 1929-10-10 Gotthilf Ansgarius Betulander Improvements in automatic telephone systems
GB328314A (en) * 1928-12-20 1930-04-22 Standard Telephones Cables Ltd Improvements in or relating to telephone systems
FR726007A (fr) * 1930-10-27 1932-05-21 Ericsson Telefon Ab L M Perfectionnements aux bureaux centraux téléphoniques automatiques

Also Published As

Publication number Publication date
NL84720C (de)
FR1050285A (fr) 1954-01-06
BE503597A (de)
DE974596C (de) 1961-02-23
NL154221B (nl)
CH299889A (fr) 1954-06-30

Similar Documents

Publication Publication Date Title
GB409015A (en) Improvements in or relating to telephone systems
US3129293A (en) Automatic telecommunication switching systems
GB550235A (en) Improvements in telephone systems
GB737890A (en) Improvements in or relating to automatic telecommunication exchange
GB747173A (en) Automatic switching system
GB571520A (en) Improvements relating to electric selective signalling systems
US2568101A (en) Automatic all-relay telephone system
GB1017768A (en) Improvements in telephone switching systems
US3180940A (en) Routing connections in a communication system
US3452158A (en) Self-tapering electronic switching network system
GB560732A (en) Improvements in or relating to telephone or like systems employing crossbar switches
GB1050190A (de)
US1809882A (en) Telephone exchange system
US3524945A (en) Control for centrally controlled switching grids in telecommunication exchange systems
US3414681A (en) Speech contact network in a telephone system
US2573569A (en) Frame and trunk selection
US2773128A (en) Crossbar-switch connector system
US2741664A (en) Interconnecting of subscribers' lines in final selectors
US2346915A (en) Telephone system
US3576949A (en) Multistage switching network employing cascaded three-terminal crosspoints
US3626103A (en) Route selector arrangement with all-trunk availability
GB1181181A (en) Switching Network
US1974159A (en) Telephone system
US2416711A (en) Toll trunk selection
US1870621A (en) Automatic telephone system