221184 ⎘
Continuous tuning of more than one resonant circuit simultaneously, the tuning frequencies of the circuits having a substantially constant difference throughout the tuning range Arrangements for ensuring tracking with variable capacitors
BIMODAL EPR RESONATOR WITH AUTOMATIC ELECTRICALLY CONTROLLED INTER-MODE ISOLATION
#2Tracking filter for a television tuner
#3Automatically tuned tail filter
#4Radio frequency tuner
#5Integrated circuit television receiver arrangement
#6Wide-frequency-range television tuner
#7Television tuner which can obtain sufficient receiving sensitivity even when receiving FM broadcasting signal