GB613553A - Improvements in or relating to telephone systems - Google Patents

Improvements in or relating to telephone systems

Info

Publication number
GB613553A
GB613553A GB18010/46A GB1801046A GB613553A GB 613553 A GB613553 A GB 613553A GB 18010/46 A GB18010/46 A GB 18010/46A GB 1801046 A GB1801046 A GB 1801046A GB 613553 A GB613553 A GB 613553A
Authority
GB
United Kingdom
Prior art keywords
outlets
selector
group
switch
operates
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
GB18010/46A
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.)
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
Publication of GB613553A publication Critical patent/GB613553A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Structure Of Telephone Exchanges (AREA)
GB18010/46A 1941-07-10 1946-06-14 Improvements in or relating to telephone systems Expired GB613553A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL235881X 1941-07-10

Publications (1)

Publication Number Publication Date
GB613553A true GB613553A (en) 1948-11-30

Family

ID=19780275

Family Applications (1)

Application Number Title Priority Date Filing Date
GB18010/46A Expired GB613553A (en) 1941-07-10 1946-06-14 Improvements in or relating to telephone systems

Country Status (4)

Country Link
CH (1) CH235881A (enrdf_load_stackoverflow)
FR (1) FR883417A (enrdf_load_stackoverflow)
GB (1) GB613553A (enrdf_load_stackoverflow)
NL (1) NL62797C (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL164979B (nl) * 1951-10-27 Kureha Chemical Ind Co Ltd Druktoetsschakelpaneel met piezo-elektrische eenheids- elementen.

Also Published As

Publication number Publication date
NL62797C (enrdf_load_stackoverflow)
CH235881A (de) 1944-12-31
FR883417A (fr) 1943-07-05

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