FR754017A - - Google Patents

Info

Publication number
FR754017A
FR754017A FR754017DA FR754017A FR 754017 A FR754017 A FR 754017A FR 754017D A FR754017D A FR 754017DA FR 754017 A FR754017 A FR 754017A
Authority
FR
France
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
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 date
Application granted granted Critical
Publication of FR754017A publication Critical patent/FR754017A/fr
Expired legal-status Critical Current

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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
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/04—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for rails

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Power Engineering (AREA)
  • Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
  • General Induction Heating (AREA)
FR754017D 1932-04-09 Expired FR754017A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US604172A US1893813A (en) 1932-04-09 1932-04-09 Oscillator

Publications (1)

Publication Number Publication Date
FR754017A true FR754017A (fr) 1933-10-30

Family

ID=24418483

Family Applications (1)

Application Number Title Priority Date Filing Date
FR754017D Expired FR754017A (fr) 1932-04-09

Country Status (4)

Country Link
US (1) US1893813A (fr)
BE (1) BE395554A (fr)
DE (1) DE749561C (fr)
FR (1) FR754017A (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1022272B (de) * 1956-12-19 1958-01-09 Telefunken Gmbh Selbstschwingende Mischstufe mit Triode fuer hohe Frequenzen, insbesondere fuer die Fernsehbaender auf dem Dezimeterwellen-Gebiet

Also Published As

Publication number Publication date
US1893813A (en) 1933-01-10
BE395554A (fr)
DE749561C (de) 1944-12-09

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