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Koninklijke Philips NV
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Philips Gloeilampenfabrieken NV
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Application filed by Philips Gloeilampenfabrieken NVfiledCriticalPhilips Gloeilampenfabrieken NV
Application grantedgrantedCritical
Publication of FR644407ApublicationCriticalpatent/FR644407A/fr
G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
G05F1/00—Automatic systems in which deviations of an electric quantity from one or more predetermined values are detected at the output of the system and fed back to a device within the system to restore the detected quantity to its predetermined value or values, i.e. retroactive systems
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Engineering & Computer Science
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Physics & Mathematics
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Electromagnetism
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General Physics & Mathematics
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Radar, Positioning & Navigation
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Automation & Control Theory
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FR644407D1927-05-111927-11-23Dispositif électrique de réglage
ExpiredFR644407A
(fr)