Loop Antennas With Ferromagnetic Core TRIZ Cases

A plated magnetic body antenna uses a flexible printed circuit substrate to relay thin conductive wires.

Spinel ferrite core with tuned metal ratios boosts magnetic permeability in compact antennas.

A metal frame antenna segment connects to a conductive coil to provide inductance for wireless communication.

An auxiliary loop conductor generates in-phase magnetic flux to extend communication range.

Segmenting the support structure isolates the antenna from electronic components, reducing magnetic field disturbance while maintaining assembly stability.

A Li-Zn-Mn-Cu ferrite material achieves high normalized impedance through controlled composition and cobalt additives.

A surface-mounted coil uses a flexible shielding layer to block electric field interference.

A multilayer coil component embeds high-hardness insulating grains between conductor layers to enhance winding density and inductance.

A planar three-axis antenna uses foil-type cores inserted in coil apertures to achieve orthogonal reception sensitivity.

Edge-mounted coil conductors with normal winding axes reduce circuit board coupling to eliminate null points.

A battery monitoring system uses loop antennas and a magnetic core to transmit voltage data wirelessly.

Stacked sheets with common linear conductor patterns reduce DC resistance through parallel connections, enhancing heat dissipation and operation performance.

A series-connected coil antenna uses a booster portion to enhance magnetic coupling, resolving weak signal issues in compact electronic devices.

Dedicated wireways in a collar-mountable bobbin antenna prevent interference and fluid damage, ensuring reliable downhole measurements.

A flexible magnetic core antenna integrates dual coils to enable simultaneous transmission and reception capabilities.

A directional resistivity tool uses collocated z-mode and x-mode antennae to acquire electromagnetic measurements.

A split insulating base supports orthogonal windings around a ferrite core to reduce capacitive coupling.

Segmenting the antenna into a feeding coil and resonance coil resolves impedance trade-offs between transmission and reception performance.

Ferrite-particle dielectric cores generate electromagnetic precursors with algebraic attenuation to overcome signal loss in compact free-space security systems.

A movable shunt adjusts inductance in the magnetic field generator circuit to maintain consistent warning zones despite environmental variations.

Segmented ferromagnetic components and a resin intermediary block eddy currents in metal exteriors, maintaining sensitivity for radio controlled timepieces.

Preliminary anti-action compensates for dielectric de-tuning effects during solid encapsulation to maintain antenna performance.

Asymmetric coil winding tilts radiation toward the leading end, resolving interference between trailing-end RFID and cellular antennas.

An NFC antenna overlaps a hole in a metal body to allow electromagnetic radiation, resolving signal shielding caused by continuous metal casings.

Segmented receiver coils suppress axially flowing currents, enabling accurate resistivity measurements in non-conductive hydrocarbon-bearing formations.

A laminated magnetic antenna core uses thin metal strips bonded with resin to enhance structural integrity and thermal resistance.

A composite RF tag uses a resin layer to surround the magnetic antenna and IC.

A Z-shaped dual ring winding type NFC antenna uses a ferrite core and orthogonal coils to generate vertical magnetic field components.

Segmented coil antennas with non-perpendicular winding axes resolve coupling trade-offs for compact near-field communication devices.

Metal sidewalls serve as common ground planes to handle multiple frequency bands while minimizing interference between antennas.

A ferrite sheet mediates magnetic coupling between feed and coil antennas, preventing resonance frequency separation caused by high mutual inductance.

Segmented coil conductors prevent magnetic flux cancellation, maintaining stable communication reliability at varying angles.

An antenna coil links magnetic flux through a small opening in a metallic member to enable stable near-field communication.

A compact steerable antenna system combines electric dipoles and magnetic loops to steer electromagnetic beams electronically.

Nesting an NFC loop antenna inside a wireless charging coil minimizes mutual interference while maintaining optimal R and Q values for both functions.

An antenna coil positioned within a cover opening avoids overlap with the magnetic shielding layer.

Embedding a 3D antenna with ferrite substances into a flexible circuit board shell increases signal power while compressing device volume.