Hitoshi Tada

Dielectric filter, dielectric duplexer, and communication apparatus

Dielectric filter having an inner conductor with two open-circuited inner ends

Coaxial dielectric resonator apparatus having a plurality of side recesses located on a mount substrate

Dielectric resonator apparatus including means for adjusting the degree of coupling

Dielectric resonator apparatus comprising a plurality of one-half wavelength dielectric coaxial resonators having open-circuit gaps at ends thereof

Antenna duplexer having transmit and receive portion formed in a single dielectric block

Dielectric resonator, dielectric filter, dielectric duplexer and communication device

Dielectric block filter having first and second resonator arrays coupled together

Band elimination filter and duplexer

Dielectric filter, dielectric duplexer, and communication equipment