A phased array antenna arrangement steers radiofrequency signals using phase shifters to reject 2.4 GHz interference and improve signal-to-noise ratio.
A portable DGPS navigation apparatus combines a receiver assembly and antenna unit into a single handheld device.
A phased array antenna switches among line-of-sight, over-the-horizon, and aerial-vehicle communication modes using beam control.
Segmented radiating elements with adjustable parasitic blocks resolve isolation conflicts in compact metal housings.
A loop antenna and ground substrate form a unified radiating structure that maintains a constant polarized wave ratio.
A nested antenna radiator structure supports simultaneous multi-band radio frequency transmission in compact wearable electronics.
Embedding filters within the multilayer substrate reduces wiring length and suppresses energy loss while maintaining signal isolation for compact MIMO systems.
Sandwiching a slotline between dielectric layers increases the effective dielectric constant to confine electromagnetic fields.
Laminating conductive lines across multiple layers on a flexible circuit board reduces antenna width while maintaining signal integrity near metal covers.
Iterative optimization designs array antennas reducing radar cross sections while maintaining antenna performance.
A combined antenna device merges a coupled feed antenna with a millimeter wave phased array to reduce overall footprint.
Nested spiral elements reduce resistance and maintain inductance to resolve chip size constraints while improving high-frequency signal intensity.
Segmenting the feed into two pads improves return loss and polarization isolation while maintaining simple coplanar fabrication.
Diffusers convert evanescent waves to propagating signals for antenna transmission.
An antenna extending from a hinge into a front frame frees arm installation volume for other components.
A serpentine chip seal ring increases reactance to mitigate magnetic coupling with on-chip loop antennas.
An elliptical waveguide structure transmits RF signals with low attenuation and high mechanical flexibility.
A circular patch antenna couples a cylindrical matching element to support dual frequency bands.
A wideband array antenna unit uses transforming means to apply frequency-dependent time delays between elements for precise pattern control.
Segmented antenna arrays enable focused beam scanning to resolve angular coverage versus power consumption trade-offs in UAV radar systems.
A planar directional antenna uses a concave parabolic metal layer to focus electromagnetic signals through coupling effects.
Adjustable ground points control signal radiation from terminal antenna slot ends, preventing rapid attenuation when the metal housing is covered by a hand.
Shorted split ring resonators in composite microstrip antennas resolve multi-band size constraints.
A near-isotropic antenna uses a regular polyhedron to capture electromagnetic signals from all directions simultaneously.
Adjustable shorting pin positions resolve space-limited bandwidth trade-offs, maintaining consistent antenna performance during structural state changes.