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 BE421348ApublicationCriticalpatent/BE421348A/xx
H03J9/00—Remote-control of tuned circuits; Combined remote-control of tuning and other functions, e.g. brightness, amplification
H03J9/002—Remote-control of tuned circuits; Combined remote-control of tuning and other functions, e.g. brightness, amplification comprising one or more tuning stages separated from the rest of a receiver