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Felten and Guilleaume Carlswerk AG
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Felten and Guilleaume Carlswerk AG
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Application filed by Felten and Guilleaume Carlswerk AGfiledCriticalFelten and Guilleaume Carlswerk AG
Application grantedgrantedCritical
Publication of FR713117ApublicationCriticalpatent/FR713117A/en
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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Physics & Mathematics
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General Physics & Mathematics
(AREA)
FR713117D1930-03-241931-03-12
Device for the direct measurement of damping produced by loops and secondary currents in telephone cables
ExpiredFR713117A
(en)