FR647889A - Nouveau système changeur de fréquence - Google Patents

Nouveau système changeur de fréquence

Info

Publication number
FR647889A
FR647889A FR647889DA FR647889A FR 647889 A FR647889 A FR 647889A FR 647889D A FR647889D A FR 647889DA FR 647889 A FR647889 A FR 647889A
Authority
FR
France
Prior art keywords
new frequency
frequency changer
changer system
new
frequency
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)
French (fr)
Inventor
Richard Deschepper
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 FR647889A publication Critical patent/FR647889A/fr
Expired legal-status Critical Current

Links

Classifications

    • 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
    • H03D7/08—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 the same two electrodes

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
FR647889D 1928-03-09 1928-01-16 Nouveau système changeur de fréquence Expired FR647889A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR35568T 1928-03-09

Publications (1)

Publication Number Publication Date
FR647889A true FR647889A (fr) 1928-12-03

Family

ID=8672429

Family Applications (2)

Application Number Title Priority Date Filing Date
FR647889D Expired FR647889A (fr) 1928-03-09 1928-01-16 Nouveau système changeur de fréquence
FR35568D Expired FR35568E (fr) 1928-03-09 1928-03-09 Nouveau système changeur de fréquence

Family Applications After (1)

Application Number Title Priority Date Filing Date
FR35568D Expired FR35568E (fr) 1928-03-09 1928-03-09 Nouveau système changeur de fréquence

Country Status (2)

Country Link
BE (1) BE350351A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FR (2) FR647889A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Also Published As

Publication number Publication date
BE350351A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FR35568E (fr) 1930-03-26

Similar Documents

Publication Publication Date Title
FR667520A (fr) Séparateur de benzol
FR647889A (fr) Nouveau système changeur de fréquence
FR723546A (fr) Système oscillateur
FR37104E (fr) Système de transmission
FR664604A (fr) Système de verrouillage
FR663799A (fr) Système de remontoir pour montres
FR655334A (fr) Nouveau système de pare-boue
FR650759A (fr) Nouveau système de ferme
FR607648A (fr) Nouveau système de construction
FR661323A (fr) Nouveau système de foyer-économiseur de chaudière
FR614452A (fr) Nouveau système de reliure
FR655017A (fr) Support pour récepteur micro-téléphonique
FR663623A (fr) Système de baratte-malaxeuse
FR660682A (fr) Système de corset-ceinture
FR651267A (fr) Classeur
FR691362A (fr) Nouveau système des phonographes
FR661679A (fr) Enregistreur-minute
FR577516A (fr) Nouveau système de peigne passe-ruban
FR596772A (fr) Nouveau système de construction
FR666491A (fr) Changeur de fréquence à automatisme intégral
FR616558A (fr) Nouveau système de béton armé
FR591694A (fr) Dispositif changeur de fréquence
FR662158A (fr) Système de condenseur
FR634218A (fr) Nouveau système de serrure
FR656700A (fr) Nouveau système de paratonnerre