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Publication of BE454148ApublicationCriticalpatent/BE454148A/fr
G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
G01R23/00—Arrangements for measuring frequencies; Arrangements for analysing frequency spectra
G01R23/02—Arrangements for measuring frequency, e.g. pulse repetition rate; Arrangements for measuring period of current or voltage
G01R23/12—Arrangements for measuring frequency, e.g. pulse repetition rate; Arrangements for measuring period of current or voltage by converting frequency into phase shift
G—PHYSICS
G04—HOROLOGY
G04F—TIME-INTERVAL MEASURING
G04F10/00—Apparatus for measuring unknown time intervals by electric means
G04F10/06—Apparatus for measuring unknown time intervals by electric means by measuring phase
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Physics & Mathematics
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General Physics & Mathematics
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BE454148A1943-02-041944-01-28Procédé et dispositif de mesure des phases
BE454148A
(fr)