GB650875A - Telecommunication exchange - Google Patents

Telecommunication exchange

Info

Publication number
GB650875A
GB650875A GB4307/47A GB430747A GB650875A GB 650875 A GB650875 A GB 650875A GB 4307/47 A GB4307/47 A GB 4307/47A GB 430747 A GB430747 A GB 430747A GB 650875 A GB650875 A GB 650875A
Authority
GB
United Kingdom
Prior art keywords
feb
telecommunication exchange
electronic means
telecommunication
cables
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
GB4307/47A
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 GB650875A publication Critical patent/GB650875A/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
    • H04Q3/526—Optical switching systems
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Devices For Supply Of Signal Current (AREA)
  • Telephonic Communication Services (AREA)
  • Telephone Set Structure (AREA)

Abstract

650,875. Automatic exchange systems. STANDARD TELEPHONES & CABLES, Ltd. Feb. 14, 1947, No. 4307. Convention date, Feb. 19, 1946. Drawings to Specification. [Class 40 (iv)] A telecommunication exchange comprises electronic means responsive to selection signals on a particular channel for selecting another channel, which is called by electronically controlled ringing means, and electronic means for establishing two-way communication between the two channels. The description is identical with that of Specification 645,871, which claims other features.
GB4307/47A 1946-02-19 1947-02-14 Telecommunication exchange Expired GB650875A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US648758A US2492179A (en) 1946-02-19 1946-02-19 Ringing arrangement for electronic switching systems

Publications (1)

Publication Number Publication Date
GB650875A true GB650875A (en) 1951-03-07

Family

ID=24602098

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4307/47A Expired GB650875A (en) 1946-02-19 1947-02-14 Telecommunication exchange

Country Status (5)

Country Link
US (2) US2492179A (en)
CH (1) CH285635A (en)
DE (1) DE920912C (en)
ES (1) ES182240A1 (en)
GB (1) GB650875A (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR974379A (en) * 1947-10-27 1951-02-21
BE497954A (en) * 1949-09-06
US2773937A (en) * 1949-12-24 1956-12-11 Gen Dynamics Corp Electronic signaling and switching system
BE500226A (en) * 1949-12-24
US2857463A (en) * 1951-11-23 1958-10-21 Gen Dynamics Corp Telephone system
US2872518A (en) * 1951-11-23 1959-02-03 Gen Dynamics Corp Party line telephone system
US2889408A (en) * 1951-11-23 1959-06-02 Gen Dynamics Corp Telephone system
US2832832A (en) * 1952-12-17 1958-04-29 Gen Dynamics Corp Telephone system
US2944112A (en) * 1954-03-15 1960-07-05 Telephony
US3080547A (en) * 1958-11-03 1963-03-05 Motorola Inc Selective calling apparatus

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2214019A (en) * 1937-10-30 1940-09-10 Bell Telephone Labor Inc Electronic switching device
US2239825A (en) * 1938-04-22 1941-04-29 Associated Electric Lab Inc Telephone apparatus
US2257795A (en) * 1939-05-27 1941-10-07 Bell Telephone Labor Inc Electron discharge apparatus and circuits
US2241031A (en) * 1940-01-23 1941-05-06 Bell Telephone Labor Inc Telephone system
US2289503A (en) * 1940-05-01 1942-07-14 Bell Telephone Labor Inc Telephone system
US2387018A (en) * 1942-08-05 1945-10-16 Bell Lab Inc Communication system
US2379715A (en) * 1942-10-09 1945-07-03 Bell Telephone Labor Inc Communication system

Also Published As

Publication number Publication date
ES182240A1 (en) 1948-04-01
DE920912C (en) 1954-12-02
US2492179A (en) 1949-12-27
CH285635A (en) 1952-09-15
USRE23418E (en) 1951-10-16

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