NL45199C - - Google Patents

Info

Publication number
NL45199C
NL45199C NL45199DA NL45199C NL 45199 C NL45199 C NL 45199C NL 45199D A NL45199D A NL 45199DA NL 45199 C NL45199 C NL 45199C
Authority
NL
Netherlands
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 NL45199C publication Critical patent/NL45199C/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)
NL45199D 1933-01-14 NL45199C (xx)

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
NL45199C true NL45199C (xx)

Family

ID=24614104

Family Applications (1)

Application Number Title Priority Date Filing Date
NL45199D NL45199C (xx) 1933-01-14

Country Status (6)

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

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 (xx) * 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
GB408903A (en) 1934-04-19
BE400782A (xx) 1934-02-28
DE971556C (de) 1959-02-19
US2034013A (en) 1936-03-17
FR766792A (fr) 1934-07-04

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