FR713117A - Dispositif pour la mesure directe des amortissements produits par les boucles et lescourants secondaires dans les câbles téléphoniques
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Dispositif pour la mesure directe des amortissements produits par les boucles et lescourants secondaires dans les câbles téléphoniques
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Felten and Guilleaume Carlswerk AG
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Felten and Guilleaume Carlswerk AG
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G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
G01R27/28—Measuring attenuation, gain, phase shift or derived characteristics of electric four pole networks, i.e. two-port networks; Measuring transient response
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FR713117D1930-03-241931-03-12Dispositif pour la mesure directe des amortissements produits par les boucles et lescourants secondaires dans les câbles téléphoniques
ExpiredFR713117A
(fr)