BE494825A - - Google Patents

Info

Publication number
BE494825A
BE494825A BE494825DA BE494825A BE 494825 A BE494825 A BE 494825A BE 494825D A BE494825D A BE 494825DA BE 494825 A BE494825 A BE 494825A
Authority
BE
Belgium
Application number
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.)
Publication of BE494825A publication Critical patent/BE494825A/xx

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)
  • Interface Circuits In Exchanges (AREA)
  • Devices For Supply Of Signal Current (AREA)
BE494825D 1949-03-29 BE494825A (en:Method)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
BE494825A true BE494825A (en:Method)

Family

ID=10300973

Family Applications (2)

Application Number Title Priority Date Filing Date
BE494825D BE494825A (en:Method) 1949-03-29
BE494824D BE494824A (en:Method) 1949-03-29

Family Applications After (1)

Application Number Title Priority Date Filing Date
BE494824D BE494824A (en:Method) 1949-03-29

Country Status (6)

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

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL159378C (en:Method) * 1948-05-15
NL216340A (en:Method) * 1949-06-21
NL163817B (nl) * 1949-10-26 Huels Chemische Werke Ag Werkwijze ter bereiding van preparaten die polybuteen-1 en een vulstof bevatten.
BE502518A (en:Method) * 1950-01-06
GB744291A (en) * 1950-01-16 1956-02-01 Standard Telephones Cables Ltd Improvements in or relating to electrical communication systems
NL161193B (nl) * 1950-05-17 Martin Marietta Corp Werkwijze voor de bereiding van in water onoplosbare mono-azokleurstoffen, waarbij als diazocomponent een 2-amino-5,6-dihalogeenbenzothiazool wordt gebruikt, werkwijze voor het aanverven van synthetische vezels en aldus verkregen textielvezels.
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 (en:Method) * 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
US3809815A (en) * 1972-05-04 1974-05-07 Litton Systems Inc Communication system utilizing frequency division multiplexing to link a plurality of stations each containing a switchable synthesizer

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

Also Published As

Publication number Publication date
GB731912A (en) 1955-06-15
FR1018011A (fr) 1952-12-24
DE931243C (de) 1955-08-04
CH300209A (fr) 1954-07-15
US2583711A (en) 1952-01-29
BE494824A (en:Method)

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