GB645866A - Telecommunication exchange equipment - Google Patents

Telecommunication exchange equipment

Info

Publication number
GB645866A
GB645866A GB32483/46A GB3248346A GB645866A GB 645866 A GB645866 A GB 645866A GB 32483/46 A GB32483/46 A GB 32483/46A GB 3248346 A GB3248346 A GB 3248346A GB 645866 A GB645866 A GB 645866A
Authority
GB
United Kingdom
Prior art keywords
series
exchange equipment
telecommunication exchange
nov
electronic means
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
GB32483/46A
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 GB645866A publication Critical patent/GB645866A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q11/00—Selecting arrangements for multiplex systems
    • H04Q11/04—Selecting arrangements for multiplex systems for time-division multiplexing
    • 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
    • H04Q3/526—Optical switching systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Telephonic Communication Services (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)

Abstract

645,866. Automatic exchange systems. STANDARD TELEPHONES & CABLES, Ltd. Nov. 1, 1946, No. 32483. Convention date, Nov. 14, 1945. Drawings to Specification. [Class 40 (iv)] A line finder comprises electronic means for connecting one of a first series of pulse channels to one of a second series of such channels and electronic means are provided to busy such a seized second channel against intrusion by another channel of the first series. The invention is described with reference to one of the systems described in Specification 644,571 which claims other features.
GB32483/46A 1945-11-14 1946-11-01 Telecommunication exchange equipment Expired GB645866A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US285307XA 1945-11-14 1945-11-14

Publications (1)

Publication Number Publication Date
GB645866A true GB645866A (en) 1950-11-08

Family

ID=21843961

Family Applications (1)

Application Number Title Priority Date Filing Date
GB32483/46A Expired GB645866A (en) 1945-11-14 1946-11-01 Telecommunication exchange equipment

Country Status (4)

Country Link
CH (1) CH285307A (en)
FR (1) FR931431A (en)
GB (1) GB645866A (en)
NL (1) NL69275C (en)

Also Published As

Publication number Publication date
FR931431A (en) 1948-02-23
NL69275C (en)
CH285307A (en) 1952-08-31

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