BE400782A - - Google Patents

Info

Publication number
BE400782A
BE400782A BE400782DA BE400782A BE 400782 A BE400782 A BE 400782A BE 400782D A BE400782D A BE 400782DA BE 400782 A BE400782 A BE 400782A
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.)
Filing date
Publication date
Application filed filed Critical
Publication of BE400782A publication Critical patent/BE400782A/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B15/00—Suppression or limitation of noise or interference
    • H04B15/02—Reducing interference from electric apparatus by means located at or near the interfering apparatus
    • H04B15/04—Reducing interference from electric apparatus by means located at or near the interfering apparatus the interference being caused by substantially sinusoidal oscillations, e.g. in a receiver or in a tape-recorder
    • H04B15/06—Reducing interference from electric apparatus by means located at or near the interfering apparatus the interference being caused by substantially sinusoidal oscillations, e.g. in a receiver or in a tape-recorder by local oscillators of receivers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D7/00—Transference of modulation from one carrier to another, e.g. frequency-changing
    • H03D7/06—Transference of modulation from one carrier to another, e.g. frequency-changing by means of discharge tubes having more than two electrodes
    • H03D7/10—Transference of modulation from one carrier to another, e.g. frequency-changing by means of discharge tubes having more than two electrodes the signals to be mixed being applied between different pairs of electrodes

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
  • Geophysics And Detection Of Objects (AREA)
BE400782D 1933-01-14 1934-01-09 BE400782A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US651755A US2034013A (en) 1933-01-14 1933-01-14 Oscillator modulator

Publications (1)

Publication Number Publication Date
BE400782A true BE400782A (fr) 1934-02-28

Family

ID=24614104

Family Applications (1)

Application Number Title Priority Date Filing Date
BE400782D BE400782A (fr) 1933-01-14 1934-01-09

Country Status (6)

Country Link
US (1) US2034013A (fr)
BE (1) BE400782A (fr)
DE (1) DE971556C (fr)
FR (1) FR766792A (fr)
GB (1) GB408903A (fr)
NL (1) NL45199C (fr)

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1558437A (en) * 1913-10-29 1925-10-20 Gen Electric Electrical discharge apparatus
US1199180A (en) * 1915-10-09 1916-09-26 Western Electric Co System for the transmission of intelligence.
AT87745B (de) * 1916-05-31 1922-03-27 Siemens Ag Kathodenstrahlenrelais.
FR505897A (fr) * 1916-06-21 1920-08-09 Siemens Ag Tube à vide avec fil incandescent et électrode auxiliaire servant à la commande du courant des électrons
DE383449C (de) * 1919-08-14 1923-11-08 John Scott Taggart Empfangsanordnung fuer drahtlose Wellen unter Verwendung einer Roehre mit zwei Gittern und zwei mit je einem der Gitter verbundenen Steuerkreisen
FR40726E (fr) * 1927-06-04 1932-08-22 Tube électronique et ses divers schémas de montage
BE352800A (fr) * 1927-07-13
FR655738A (fr) * 1927-10-22 1929-04-23 Perfectionnements aux dispositifs de changement de fréquence à tubes électroniques à plusieurs électrodes
FR648810A (fr) * 1927-10-22 1928-12-14 Tube électronique et ses divers schémas de montage
FR670731A (fr) * 1929-03-04 1929-12-04 Radio Sonore Et Hippolyte Shap Procédé et montages pour mise en oeuvre de la méthode de réception par modulation
FR704534A (fr) * 1930-01-17 1931-05-21 Thomson Houston Comp Francaise Perfectionnements aux lampes spéclales oscillatrices changeuses de fréquence
DE655254C (de) * 1930-02-21 1938-01-12 L L Von Kramolin UEberlagerungsempfaenger mit einer Zwischenfrequenzbildung in einer Mehrgitterroehre
FR709196A (fr) * 1930-04-11 1931-08-04 Dispositif de poste à combinaisons multiples
FR726537A (fr) * 1931-01-22 1932-05-30 Radiotechnique Nouveaux modes de couplage des circuits dans les dispositifs destinés à changer lafréquence des signaux radioélectriques
DE744143C (de) * 1932-06-05 1944-01-26 Telefunken Gmbh UEberlagerungsempfaenger mit einer Mehrgitter-Mischroehre
DE653317C (de) * 1932-07-24 1937-11-20 Telefunken Gmbh Elektronenroehre mit Kathode, Anode und mindestens vier Gitterelektroden
FR684772A (fr) * 1932-07-24 1930-07-01 Perfectionnement aux appareils récepteurs radioélectriques
DE667683C (de) * 1932-10-16 1938-11-18 Telefunken Gmbh Elektronenroehre mit mindestens drei zwischen einer aeussersten Elektrode und der Kathode angeordneten Gittern

Also Published As

Publication number Publication date
NL45199C (fr)
GB408903A (en) 1934-04-19
DE971556C (de) 1959-02-19
US2034013A (en) 1936-03-17
FR766792A (fr) 1934-07-04

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