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Fides Gesellschaft fuer die Verwaltung und Verwertung von Gewerblichen Schutzrechten mbH
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Fides Gesellschaft fuer die Verwaltung und Verwertung von Gewerblichen Schutzrechten mbH
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Application filed by Fides Gesellschaft fuer die Verwaltung und Verwertung von Gewerblichen Schutzrechten mbHfiledCriticalFides Gesellschaft fuer die Verwaltung und Verwertung von Gewerblichen Schutzrechten mbH
Application grantedgrantedCritical
Publication of FR881382ApublicationCriticalpatent/FR881382A/fr
H03J3/24—Continuous tuning of more than one resonant circuit simultaneously, the circuits being tuned to substantially the same frequency, e.g. for single-knob tuning
H—ELECTRICITY
H01—ELECTRIC ELEMENTS
H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
H01F21/00—Variable inductances or transformers of the signal type
H01F21/02—Variable inductances or transformers of the signal type continuously variable, e.g. variometers
H01F21/10—Variable inductances or transformers of the signal type continuously variable, e.g. variometers by means of a movable shield
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Engineering & Computer Science
(AREA)
Power Engineering
(AREA)
FR881382D1943-04-221942-04-21Dispositif de réglage, en particulier pour variomètres
ExpiredFR881382A
(fr)