FR1018011A - Perfectionnements aux systèmes de commutation électronique - Google Patents

Perfectionnements aux systèmes de commutation électronique

Info

Publication number
FR1018011A
FR1018011A FR1018011DA FR1018011A FR 1018011 A FR1018011 A FR 1018011A FR 1018011D A FR1018011D A FR 1018011DA FR 1018011 A FR1018011 A FR 1018011A
Authority
FR
France
Prior art keywords
electronic switching
switching systems
systems
electronic
switching
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
Other languages
English (en)
Inventor
Frank Scowen
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 filed Critical
Application granted granted Critical
Publication of FR1018011A publication Critical patent/FR1018011A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q11/00—Selecting arrangements for multiplex systems
    • H04Q11/02—Selecting arrangements for multiplex systems for frequency-division multiplexing
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/51—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used
    • H03K17/54—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements of vacuum tubes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J1/00—Frequency-division multiplex systems
    • H04J1/02—Details
    • H04J1/04—Frequency-transposition arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Signal Processing (AREA)
  • Telephonic Communication Services (AREA)
  • Devices For Supply Of Signal Current (AREA)
  • Interface Circuits In Exchanges (AREA)
FR1018011D 1949-03-29 1950-03-29 Perfectionnements aux systèmes de commutation électronique Expired FR1018011A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB300209X 1949-03-29

Publications (1)

Publication Number Publication Date
FR1018011A true FR1018011A (fr) 1952-12-24

Family

ID=10300973

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1018011D Expired FR1018011A (fr) 1949-03-29 1950-03-29 Perfectionnements aux systèmes de commutation électronique

Country Status (6)

Country Link
US (1) US2583711A (fr)
BE (2) BE494824A (fr)
CH (1) CH300209A (fr)
DE (1) DE931243C (fr)
FR (1) FR1018011A (fr)
GB (1) GB731912A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2182975A1 (fr) * 1972-05-04 1973-12-14 Litton Industries Inc

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE488995A (fr) * 1948-05-15
NL154348B (nl) * 1949-06-21 Minnesota Mining & Mfg Magnetisch registratiemedium.
NL163817B (nl) * 1949-10-26 Huels Chemische Werke Ag Werkwijze ter bereiding van preparaten die polybuteen-1 en een vulstof bevatten.
NL160049B (nl) * 1950-01-06 Inst Francais Du Petrole Inrichting voor het uitvoeren van werkzaamheden aan de kabel in een onder water gelegen aardolieput.
GB744291A (en) * 1950-01-16 1956-02-01 Standard Telephones Cables Ltd Improvements in or relating to electrical communication systems
NL87832C (fr) * 1950-05-17
USRE24679E (en) * 1951-02-02 1959-08-11 Automatic telephone systems
GB759693A (en) * 1951-02-16 1956-10-24 Gen Electric Co Ltd Improvements in or relating to automatic telephone systems
BE512899A (fr) * 1951-07-21
US2611025A (en) * 1951-08-01 1952-09-16 Gen Electric Selective signal transmission system
US2756329A (en) * 1951-09-10 1956-07-24 Underwood Corp Bi-stable device
US2747020A (en) * 1951-11-24 1956-05-22 Gen Electric Co Ltd Telecommunication systems embodying automatic exchanges
US2754503A (en) * 1951-12-21 1956-07-10 Little Inc A Digital reading apparatus
US3084287A (en) * 1958-11-13 1963-04-02 Atomic Energy Authority Uk Electrical circuits performing a switching function
US3073906A (en) * 1959-06-16 1963-01-15 Bell Telephone Labor Inc Line concentrating telephone system

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2471138A (en) * 1946-08-16 1949-05-24 Gen Electric Radio communication system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2182975A1 (fr) * 1972-05-04 1973-12-14 Litton Industries Inc

Also Published As

Publication number Publication date
CH300209A (fr) 1954-07-15
US2583711A (en) 1952-01-29
DE931243C (de) 1955-08-04
GB731912A (en) 1955-06-15
BE494825A (fr)
BE494824A (fr)

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