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.)
H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
H02K—DYNAMO-ELECTRIC MACHINES
H02K47/00—Dynamo-electric converters
H02K47/18—AC/AC converters
H02K47/22—Single-armature frequency converters with or without phase-number conversion
H02K47/26—Single-armature frequency converters with or without phase-number conversion operating as under- or over-synchronously running asynchronous induction machines, e.g. cascade arrangement of asynchronous and synchronous machines
Verfahren zur Hochfrequenztelephonie und -telegraphie auf Leitungen mit mehreren Fre-quenzen, die einem Hochfrequenzgenerator zur Erzeugung ungedaempfter Schwingungen entnommen werden