GB656190A - Improvements in or relating to automatic telephone systems - Google Patents

Improvements in or relating to automatic telephone systems

Info

Publication number
GB656190A
GB656190A GB5086/48A GB508648A GB656190A GB 656190 A GB656190 A GB 656190A GB 5086/48 A GB5086/48 A GB 5086/48A GB 508648 A GB508648 A GB 508648A GB 656190 A GB656190 A GB 656190A
Authority
GB
United Kingdom
Prior art keywords
line
link
recorder
trunk
over
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
GB5086/48A
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.)
AT&T Corp
Original Assignee
Western Electric Co Inc
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
Priority claimed from US325510A external-priority patent/US2298205A/en
Application filed by Western Electric Co Inc filed Critical Western Electric Co Inc
Publication of GB656190A publication Critical patent/GB656190A/en
Expired legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B13/00—Soles; Sole-and-heel integral units
    • A43B13/28—Soles; Sole-and-heel integral units characterised by their attachment, also attachment of combined soles and heels
    • A43B13/32—Soles; Sole-and-heel integral units characterised by their attachment, also attachment of combined soles and heels by adhesives
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H04Q3/0004—Selecting arrangements using crossbar selectors in the switching stages
    • 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)
  • Monitoring And Testing Of Exchanges (AREA)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)
GB5086/48A 1940-03-16 1948-02-20 Improvements in or relating to automatic telephone systems Expired GB656190A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US656191XA 1940-03-16 1940-03-16
US325510A US2298205A (en) 1940-03-23 1940-03-23 Telephone system

Publications (1)

Publication Number Publication Date
GB656190A true GB656190A (en) 1951-08-15

Family

ID=26745789

Family Applications (2)

Application Number Title Priority Date Filing Date
GB5086/48A Expired GB656190A (en) 1940-03-16 1948-02-20 Improvements in or relating to automatic telephone systems
GB5087/48A Expired GB656191A (en) 1940-03-16 1948-02-20 Improvements in or relating to automatic telephone systems

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB5087/48A Expired GB656191A (en) 1940-03-16 1948-02-20 Improvements in or relating to automatic telephone systems

Country Status (2)

Country Link
FR (1) FR962012A (enrdf_load_stackoverflow)
GB (2) GB656190A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
GB656191A (en) 1951-08-15
FR962012A (enrdf_load_stackoverflow) 1950-05-27

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