Priority date (The priority date 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 date listed.)
Publication of BE467947ApublicationCriticalpatent/BE467947A/xx
H03C3/10—Angle modulation by means of variable impedance
H03C3/24—Angle modulation by means of variable impedance by means of a variable resistive element, e.g. tube
H03C3/26—Angle modulation by means of variable impedance by means of a variable resistive element, e.g. tube comprising two elements controlled in push-pull by modulating signal