221209 ⎘
Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner with a number of separate pretuned tuning circuits or separate tuning elements selectively brought into circuit, e.g. for waveband selection, for television channel selection
Sub-classes:RADIO-FREQUENCY IMPEDANCE TUNER
#2Circuits, devices and methods related to impedance tuners
#3Capless impedance tuner
#4Positive logic digitally tunable capacitor
#5Printed reconfigurable electronic circuit
#6RFID reader with automatic tuning
#7Positive logic digitally tunable capacitor
#8Circuits for switched capacitor receiver front-ends
#9Electronic tuning system
#10Electronic tuning system
#11Harmonic suppression system
#12Devices and methods for reducing noise in digitally controlled oscillators
#13Configurable buffer for an integrated circuit
#14Configurable buffer for an integrated circuit
#15Method for operating control equipment of a resonance circuit and control equipment
#16System and method for reduced area tunable capacitors
#17Oscillator Comprising a Startup Control Device