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SIF Societe Independante de Telegraphie Sans Fil
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SIF Societe Independante de Telegraphie Sans Fil
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Application filed by SIF Societe Independante de Telegraphie Sans FilfiledCriticalSIF Societe Independante de Telegraphie Sans Fil
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Publication of FR871719ApublicationCriticalpatent/FR871719A/fr
H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
H03B21/00—Generation of oscillations by combining unmodulated signals of different frequencies
H03B21/01—Generation of oscillations by combining unmodulated signals of different frequencies by beating unmodulated signals of different frequencies
FR871719D1941-04-251941-04-25Systèmes électriques à variation continue de la fréquence
ExpiredFR871719A
(fr)