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GB794814A - Improvements in or relating to co-ordinate switches for use in telecommunication exchange system - Google Patents

Improvements in or relating to co-ordinate switches for use in telecommunication exchange system

Info

Publication number
GB794814A
GB794814A GB228556A GB228556A GB794814A GB 794814 A GB794814 A GB 794814A GB 228556 A GB228556 A GB 228556A GB 228556 A GB228556 A GB 228556A GB 794814 A GB794814 A GB 794814A
Authority
GB
United Kingdom
Prior art keywords
relating
exchange system
telecommunication exchange
ordinate
switches
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
GB228556A
Inventor
Frederick Harry Bray
Ronald George Knight
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 GB228556A priority Critical patent/GB794814A/en
Publication of GB794814A publication Critical patent/GB794814A/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
    • H04Q3/52—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker using static devices in switching stages, e.g. electronic switching arrangements
    • H04Q3/525—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker using static devices in switching stages, e.g. electronic switching arrangements using tubes in the switching stages

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Structure Of Telephone Exchanges (AREA)
  • Amplifiers (AREA)
  • Navigation (AREA)

Abstract

794,814. Automatic exchange equipment. STANDARD TELEPHONES & CABLES, Ltd. Sept. 30, 1955 [Oct. 5, 1954], No. 2285/56. Divided out of 794,812 and addition to 734,345, [Group XL (c)]. Drawings to Specification. Class 40 (4). The description is identical with part of that of Specification 794,812, the claims being directed to the co-ordinate multi-switch comprising cold cathode tubes used in the system of that Specification. Specification 756,322 also is referred to.
GB228556A 1954-10-05 1954-10-05 Improvements in or relating to co-ordinate switches for use in telecommunication exchange system Expired GB794814A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB228556A GB794814A (en) 1954-10-05 1954-10-05 Improvements in or relating to co-ordinate switches for use in telecommunication exchange system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB228556A GB794814A (en) 1954-10-05 1954-10-05 Improvements in or relating to co-ordinate switches for use in telecommunication exchange system

Publications (1)

Publication Number Publication Date
GB794814A true GB794814A (en) 1958-05-14

Family

ID=9736869

Family Applications (1)

Application Number Title Priority Date Filing Date
GB228556A Expired GB794814A (en) 1954-10-05 1954-10-05 Improvements in or relating to co-ordinate switches for use in telecommunication exchange system

Country Status (1)

Country Link
GB (1) GB794814A (en)

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