Loop Antennas With Ferromagnetic Core TRIZ Cases

Vertical stacking separates NFC and MST antennas, reducing electromagnetic interference while maintaining payment performance.

A compact antenna device uses a nested magnetic core to concentrate flux and improve coupling efficiency.

A flexible PCB antenna module integrates magnetic sheets with coil antennas to form a compact unit.

A receiving antenna embeds a parallel wound coil within a soft magnetic layer to enhance electromagnetic energy focusing.

Segmented magnetic pieces in solenoid antennas reduce noise from magnetostriction while maintaining high permeability.

A surface-mounted NFC antenna uses a dielectric layer to separate orthogonal coils and minimize back-coupling effects.

Segmenting the magnetic circuit into parallel cells reduces air gap reluctance to improve wireless power transfer efficiency over larger distances.

Resin multilayer substrate housing a sintered magnetic substance resolves temperature conflicts during manufacturing while enhancing antenna permeability.

An accommodation groove formed by varying line width nests connection patterns, minimizing mounting space while maintaining antenna performance.

A helical coil antenna embedded within a self-contained breathing apparatus tank wall enables magneto-inductive communication.

A metal casing antenna uses a cutout filled with an insulated conductor to enable magnetic coupling.

Segmenting the magnetic core into spaced pieces mitigates demagnetizing fields from nearby metals, expanding coverage while maintaining compactness.

Non-metallic heat pipes in magnetic cores dissipate heat without inducing losses, enabling high power density.

Foam compressed between the wound body and case absorbs impact loads, preventing magnetic core breakage in LF-band systems.

A rectangular antenna coil folded along a side face utilizes inductive coupling to maintain communication performance.

An antenna module uses overlapping spiral wiring and a magnetic part to extend the magnetic field for improved communication.

A ring-shaped antenna with vertical radiation patterns enables near-field magnetic induction communication in wireless earphones.

Stacked soft magnetic inserts in a tilted coil antenna boost measurement accuracy while reducing manufacturing complexity compared to continuous band designs.

A flexible soft magnetic core embeds continuous ferromagnetic wires in a polymeric medium to maintain structural integrity under mechanical stress.

A multiplexed transmitter system uses a shared conductive loop to derive formation resistivity distributions.

Separate receiving and transmitting antennas in a wireless detonator resolve positional inefficiencies and limited frequency selection.

A guided surface waveguide probe synthesizes a wave front at a complex Brewster angle to excite electric fields coupling into a guided mode.

Segmented magnetic loop antenna portions maintain optimal orientation for wireless audio reception in hearing instruments.

Portal antenna uses elongate radiators to distort electromagnetic fields for reliable RFID reading.

Multiple toroidal antennas transmit sensor data through electromagnetic coupling, maintaining mechanical strength while overcoming power constraints.

Segmented slit conductor surfaces enable magnetic coupling between feeder coils and radiating elements, resolving shielding degradation in metal casings.

A vertical ferrite antenna design integrates pre-fabricated connection members to stabilize magnetic flux within the coil structure.

Series-connected coils generate opposing magnetic flux guided perpendicular to housing surfaces.

A helically wound threadlike antenna member around an RFIC module improves magnetic field coupling for wireless communication.

Segmented ferrite cores with interlocking ends simplify assembly and reduce manufacturing costs for long antennas.

Series connecting the secondary coil with a capacitor increases magnetic flux density while simplifying manufacturing complexity.

A thin-film transistor connects to a magnetic field antenna for wireless signal transmission and device control.

Booster coil resonates with reader waves to power stacked game chips, solving signal attenuation from electromagnetic scattering.

Segmented diagonal antennas generate perpendicular fields to resolve misalignment issues with off-center smartphone NFC coils.

Segmented magnetic cores with spherical joints eliminate air gaps and adhesive bonding to reduce leakage in bent vehicle antennae.

A loop-type directional coupler uses electronic coupling-factor matching to adjust signal magnitude and phase across frequencies.

Micro-slots segment the metal back cover into a spiral metal coil filled with insulating material to eliminate signal coupling and reverse vortex currents.

Solid ferrite rod eliminates air gaps to boost ELF-VHF transmission efficiency.

A conductive member forms a loop-shaped current path with a capacitor crossing a gap to enhance magnetic coupling efficiency.

A loop antenna uses a magnetically coupled open-ended conductor around its ground contact to integrate multiple radio systems.

A solenoid-shaped antenna coil integrates layered substrate patterns around a magnetic body to enable reliable data transmission.

A rod tag positions its chip at the core end using friction from stabilizing material during encapsulation.

An insulated resonator coupled to a conductive element amplifies induced current without expanding the antenna area required for compact electronic devices.

A non-stationary magnetic field emitter uses a wound ferrite core to generate an intense homogeneous field.

Segmenting the ferrite core into discrete rods with independent windings resolves cross-talk between elements while maintaining high transmission efficiency.

Segmenting the magnetic sheet reduces geomagnetic sensor interference while expanding recognition regions for near-field communication and electronic payment.

An NFC antenna module with an overlapping radiation sheet increases recognition distance while reducing manufacturing costs.

Series voltage boost circuit increases near-field antenna electric field strength to extend communication range and robustness.

A spiral antenna wiring combines a linear part and a meandering bent part to generate magnetic fields in multiple directions.