CH261237A - Dispositif changeur de fréquence avec tube multi-grilles. - Google Patents

Dispositif changeur de fréquence avec tube multi-grilles.

Info

Publication number
CH261237A
CH261237A CH261237DA CH261237A CH 261237 A CH261237 A CH 261237A CH 261237D A CH261237D A CH 261237DA CH 261237 A CH261237 A CH 261237A
Authority
CH
Switzerland
Prior art keywords
frequency changer
changer device
grid tube
grid
tube
Prior art date
Application number
Other languages
English (en)
French (fr)
Inventor
Gloeilampenfabrieken N Philips
Original Assignee
Philips Nv
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 by Philips Nv filed Critical Philips Nv
Publication of CH261237A publication Critical patent/CH261237A/fr

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
    • H03D7/10—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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Circuit Arrangements For Discharge Lamps (AREA)
  • General Induction Heating (AREA)
  • Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
CH261237D 1944-11-03 1946-09-12 Dispositif changeur de fréquence avec tube multi-grilles. CH261237A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE261237X 1944-11-03

Publications (1)

Publication Number Publication Date
CH261237A true CH261237A (fr) 1949-04-30

Family

ID=3866751

Family Applications (1)

Application Number Title Priority Date Filing Date
CH261237D CH261237A (fr) 1944-11-03 1946-09-12 Dispositif changeur de fréquence avec tube multi-grilles.

Country Status (6)

Country Link
US (1) US2577489A (de)
CH (1) CH261237A (de)
DE (1) DE807629C (de)
FR (1) FR936844A (de)
GB (1) GB623162A (de)
NL (1) NL66625C (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE497412A (de) * 1949-08-09
US2833990A (en) * 1955-11-21 1958-05-06 Collins Radio Co Controlled oscillator means utilizing gated-beam tubes

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR767812A (de) * 1933-01-31 1934-07-24
US2033986A (en) * 1933-12-08 1936-03-17 Rca Corp Frequency converter
NL46575C (de) * 1935-01-31
US2122283A (en) * 1937-03-09 1938-06-28 Rca Corp Frequency converter
US2141750A (en) * 1937-06-19 1938-12-27 Rca Corp Frequency converter
US2252584A (en) * 1939-05-09 1941-08-12 Philips Nv Mixing circuit in superheterodyne receivers
GB547737A (en) * 1941-02-07 1942-09-09 Standard Telephones Cables Ltd Improvements in or relating to radio receivers

Also Published As

Publication number Publication date
GB623162A (en) 1949-05-12
US2577489A (en) 1951-12-04
NL66625C (de)
DE807629C (de) 1951-07-02
FR936844A (fr) 1948-07-30

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