Elongated Active Element Feed TRIZ Cases

Textile antennas woven into flexible wearable bands expand antenna space, reduce interference, and preserve signal quality during movement.

A smaller radial waveguide and adjusted terminal spacing enable microwave power combining without transmission mismatching.

Embedding conductive threads or liquid metal antennas in wearable bands improves flexibility, comfort, and signal durability under tight space limits.

An L-shaped feeding and parasitic antenna arrangement enables vertical polarization in a low-height wireless device without extra noise countermeasures.

Capacitive coupling and a tunable matching structure let a compact UHF RFID tag work on metal without ferrite, spacers, or resonant cavities.

A planar antenna with an embedded absorbent element senses fluid dielectric properties by resonant frequency shift while preserving accuracy.

Conductive vias raise antennas above the circuit to cut coupling, lower connection resistance, and preserve compact wide-band RF layouts.

Segmented metal-frame antenna sections maintain resonant frequency and radiation efficiency when hand contact would otherwise detune the frame.

An orthogonal open feed loop lets a monopole wire-plate antenna connect directly to differential RF transmitters without a balun, cutting size and losses.

A multiple antenna module positions a second antenna perpendicular to a first antenna on a printed circuit board.

Stacked conductive strips and vias form mesh patterns that reduce signal losses in compact millimeter-wave antennas.

Selective loading on parasitic elements shapes directional beams and nulls, reducing device complexity compared to adjustable reactance components.

Distributed electrically small scatterers with tunable reactance elements shape VLF electromagnetic wave propagation across the ocean surface.

A radio frequency identification tag uses a tilted antenna to adjust radiation gain direction for reliable communication.

Open-loop resonators between linear elements cancel mutual coupling, reducing transmission losses and improving image quality.

Orthogonal wiring electrodes on a substrate form three-dimensional loops, resolving directional variability in RFID radiation patterns.

A quasi-static antenna design uses non-symmetric enclosing surfaces to optimize charge distribution geometry and radiation resistance.

Integrates a ferrite-loaded sleeve monopole with a stacked shorted annular ring patch antenna to enable dual-band operation in mobile devices.

Grounded connection bars reduce electromagnetic induction between monopole antennas, improving isolation by 2-3 dB without increasing transverse area.

A modular antenna system dynamically adjusts reactance to switch radiating modes.

A diagonally-driven antenna system positions elements at ground plane corners to achieve low correlation across multiple frequency bands.

Grounding a non-feed element at a predetermined distance from feed points decreases correlation and balances efficiency in the 700 MHz band.

Segmenting radiation units eliminates loop currents that degrade VHF gain in conventional flat antennas.

Metallized through-holes enable mode switching in a compact patch antenna, resolving structural damage risks during reconfiguration.

Nested metal wire, insulation layer, and grounding tube in a compact antenna eliminate adapter blocks to reduce power loss.

A dynamic metasurface aperture emits arbitrary radiation patterns to capture temporal variations from human motion.

Raised decoupling modules with conductive vias isolate antennas, reducing electromagnetic coupling while maintaining device compactness.

Segmented parasitic elements reduce ground current loss and dielectric loss, enhancing gain in millimeter-wave antennas.

A loop antenna assembly extracts balanced and unbalanced currents to enhance signal diversity in compact wireless devices.

Orthogonal electric field radiators with controlled electrical delay improve radiation efficiency and axial ratio in compact antennas.

A differential planar aperture antenna uses grounded coplanar waveguides to feed a cross-shaped patch within an H-shaped cavity.

A mobile communication device places antenna and sensing elements on opposite substrate surfaces with overlapping projections to reduce mutual interference.

Spatially variable dielectric loading in a sleeve monopole antenna transforms electromagnetic energy to stabilize input impedance across broadband frequencies.