FR980020A - Dispositif variateur de fréquence - Google Patents

Dispositif variateur de fréquence

Info

Publication number
FR980020A
FR980020A FR980020DA FR980020A FR 980020 A FR980020 A FR 980020A FR 980020D A FR980020D A FR 980020DA FR 980020 A FR980020 A FR 980020A
Authority
FR
France
Prior art keywords
inverter device
frequency inverter
frequency
inverter
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)
Inventor
Francis-Leon Bompard
Marcel-Marie-Pierre Jasienski
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 FR980020A publication Critical patent/FR980020A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H3/00—Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators
    • H03H3/007—Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators for the manufacture of electromechanical resonators or networks
    • H03H3/02—Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators for the manufacture of electromechanical resonators or networks for the manufacture of piezoelectric or electrostrictive resonators or networks
    • H03H3/04—Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators for the manufacture of electromechanical resonators or networks for the manufacture of piezoelectric or electrostrictive resonators or networks for obtaining desired frequency or temperature coefficient
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D3/00—Demodulation of angle-, frequency- or phase- modulated oscillations
    • H03D3/02—Demodulation of angle-, frequency- or phase- modulated oscillations by detecting phase difference between two signals obtained from input signal
    • H03D3/06—Demodulation of angle-, frequency- or phase- modulated oscillations by detecting phase difference between two signals obtained from input signal by combining signals additively or in product demodulators
    • H03D3/16—Demodulation of angle-, frequency- or phase- modulated oscillations by detecting phase difference between two signals obtained from input signal by combining signals additively or in product demodulators by means of electromechanical resonators

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Power Engineering (AREA)
FR980020D 1942-12-16 1942-12-16 Dispositif variateur de fréquence Expired FR980020A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR980020T 1942-12-16

Publications (1)

Publication Number Publication Date
FR980020A true FR980020A (fr) 1951-05-07

Family

ID=9521659

Family Applications (1)

Application Number Title Priority Date Filing Date
FR980020D Expired FR980020A (fr) 1942-12-16 1942-12-16 Dispositif variateur de fréquence

Country Status (1)

Country Link
FR (1) FR980020A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1218555B (de) * 1962-08-13 1966-06-08 Siemens Ag Modulator, vorzugsweise zur Umwandlung von Gleichspannung in Wechselspannung

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1218555B (de) * 1962-08-13 1966-06-08 Siemens Ag Modulator, vorzugsweise zur Umwandlung von Gleichspannung in Wechselspannung

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