GB324983A - Improvements in or relating to automatic or semi-automatic telephone systems - Google Patents

Improvements in or relating to automatic or semi-automatic telephone systems

Info

Publication number
GB324983A
GB324983A GB3264928A GB3264928A GB324983A GB 324983 A GB324983 A GB 324983A GB 3264928 A GB3264928 A GB 3264928A GB 3264928 A GB3264928 A GB 3264928A GB 324983 A GB324983 A GB 324983A
Authority
GB
United Kingdom
Prior art keywords
automatic
relating
semi
telephone systems
penultimate
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
GB3264928A
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 GB3264928A priority Critical patent/GB324983A/en
Priority to FR673266D priority patent/FR673266A/en
Publication of GB324983A publication Critical patent/GB324983A/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)
  • Brushes (AREA)

Abstract

324,983. Standard Telephones &. Cables, Ltd., and Wright, E. P. G. Nov. 8, 1928. Drawings to Specification. Automatic exchange systems. - In a system using single-motion switches associated with common control circuits, the feed-bridge is located in the penultimate switch. The digits for the final switch pass metallically thereto from the calling line via a bye-pass connecting the control circuits of the penultimate and final stages. The system described is the same as in Specification 324,982. Specification 317,521 also is referred to.
GB3264928A 1928-11-08 1928-11-08 Improvements in or relating to automatic or semi-automatic telephone systems Expired GB324983A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB3264928A GB324983A (en) 1928-11-08 1928-11-08 Improvements in or relating to automatic or semi-automatic telephone systems
FR673266D FR673266A (en) 1928-11-08 1929-04-13 Switching arrangements applicable to automatic or semi-automatic central office telephone systems

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3264928A GB324983A (en) 1928-11-08 1928-11-08 Improvements in or relating to automatic or semi-automatic telephone systems

Publications (1)

Publication Number Publication Date
GB324983A true GB324983A (en) 1930-02-10

Family

ID=10341912

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3264928A Expired GB324983A (en) 1928-11-08 1928-11-08 Improvements in or relating to automatic or semi-automatic telephone systems

Country Status (2)

Country Link
FR (1) FR673266A (en)
GB (1) GB324983A (en)

Also Published As

Publication number Publication date
FR673266A (en) 1930-01-13

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