Channel selector for electronic tuner having channel voltages st

Channel-selecting apparatus for multichannel receivers

Channel-selecting, presettable, rotary type tuning device

Circuit arrangement for the tank circuit of a high-frequency tra

Circuit arrangement for tuning and range or band switching of an

Circuit configuration for range changing in tuners

Circuit configuration for range switching in tuners

Circuit for tunable radio-frequency circuits

Coaxial cavity radio frequency tuning circuit having a toroidal-

Coil tuning apparatus

Combination VHF and UHF tuner arrangement

Combination VHF and UHF tuner arrangement

Combination VHF-UHF tuner for use in a television receiver

Combined 82-position UHF and VHF television tuner with memory fi

Combined 82-position UHF and VHF television tuner with memory fi

Combined transceiver and radio unit

Combined transceiver and radio unit

Compact electronic tuning device

Construction of preset plate for VHF tuner

Construction of tuning circuit in tuner