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.)
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Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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Application filed by Philips Gloeilampenfabrieken NVfiledCriticalPhilips Gloeilampenfabrieken NV
Application grantedgrantedCritical
Publication of FR781235ApublicationCriticalpatent/FR781235A/fr
G04C13/00—Driving mechanisms for clocks by primary clocks
G04C13/02—Circuit arrangements; Electric clock installations
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Physics & Mathematics
(AREA)
General Physics & Mathematics
(AREA)
FR781235D1933-11-201934-11-14Procédé et dispositif destinés à la vérification et au réglage de la position zéro d'un outil enregistreur de vibrations
ExpiredFR781235A
(fr)
Procédé et dispositif pour corriger ou vérifier la position des gabarits constitutifs d'un appareil de montage servant à la fabrication de pièces interchangeables
Procédé et dispositif pour la préparation de films convenant à l'enregistrement mécanique d'une trace de vibrations pouvant être reproduite optiquement