TUNABLE COUPLER WITH COUPLING EXTENSION

SUPERCONDUCTING RESONANT CIRCUIT AND MEASUREMENT METHOD

TUNABLE CAVITY FILTER

RESONATOR AND FREQUENCY-TUNABLE RESONATOR

A TUNABLE WAVEGUIDE RESONATOR

Tunable coupler with coupling extension

Microwave metadevice comprising a substrate having thereon a resonator loop with at least one gap and at least one electrochemical transistor disposed therein

Parametric device comprising optical materials spatiotemporally varying permittivity

Filtering device

Reflective microstrip tuning circuit

Dual-band resonator and dual-band bandpass filter using same

Filter assemblies, tuning elements and method of tuning a filter

Filtering device

Magnetoinductive waveguide

Tunable resonant circuit comprising a RF resonator geometry disposed on an active material layer such that resonance changes when photon energy is applied

Resonant cavity resonance analyzer

Filter assemblies, tuning elements and method of tuning a filter

Tunable dual-band resonator

Acoustic-wave device with active calibration mechanism

Acoustic-wave device with active calibration mechanism

Filtering device and filtering assembly having an electrically conducting strip structure

Tunable dual-band band-pass filter

Counter electrode device, system and method for varying the permittivity of a liquid crystal device

Electricity feeding structure

Metamaterial resonator based device

Tunable filter comprising a microstrip patch having symmetrical slots, asymmetrical feed lines and a plurality of diodes

Tunable resonator device and method of making same

Tunable optical metamaterial

Tunable optical metamaterial

Frequency-tunable microwave-frequency wave filter with a dielectric resonator including at least one element that rotates

Active manipulation of electromagnetic wave propagation in metamaterials

Voltage tunable filters

Tunable cavity resonator having a post and variable capacitive coupling

Variable resonator, tunable bandwidth filter, and electric circuit device

Variable resonator, variable bandwidth filter, and electric circuit device

Switchable band-pass filter

Tunable bandpass filter

Wideband frequency tunable ring resonator

Variable filter and communication apparatus

Resonator systems and methods for tuning resonator systems

Variable resonator, tunable filter, and electric circuit device

Method of tuning resonance wavelength of ring resonator

Tuning bandwidth and center frequencies in a bandpass filter

Tunable bandpass filter

Variable resonator and variable filter

TUNABLE BANDPASS FILTER

Signal selecting device

Frequency tunable oscillator

Variable resonator, tunable bandwidth filter, and electric circuit device

Variable resonator, tunable filter, and electric circuit device

Variable resonator, variable bandwidth filter, and electric circuit device

Tunable superconducting resonator and methods of tuning thereof

Tunable microwave arrangements

Tunable superconducting resonator and methods of tuning thereof

Millimeter wave resonator apparatuses and methods

Bandpass filter using triangular patch resonators

Electrochemically tunable, solid-state metamaterial-based devices

Low power photonic control of microwave power using bulk illumination and RF resonance

Fixed and varactor-tuned bandstop filters with spurious suppression