All electronic digital tuner system with memory
Apparatus for automatic adjustment of an inductor in a tuned cir
Automatic function setting and indication arrangement for a comm
Battery powered scanning receiver with synchronous power cycling
Channel indicator device
Channel selection apparatus
Channel selection apparatus provided with memory for digitalizin
Channel selector
Channel selector employing variable capacitance elements for tun
Channel-selecting apparatus for multichannel receivers
Circuit arrangement for tuning and range or band switching of an
Combination VHF-UHF tuner for use in a television receiver
Combined transceiver and radio unit
Combined transceiver and radio unit
Electronic channel selecting apparatus
Electronic channel selector
Electronic tuning control system for television
Electronic tuning system for radio receivers, with digital memor
Frequency indicator for receiving devices
Frequency selection and control