Electromagnetic Wave System TRIZ Cases

Folding units with voids stack independent charging modules for multi-device use while conductive films shield electromagnetic interference.

A wireless power feeder drives a feeding coil at the receiving coil resonance frequency without forming a local resonance circuit.

Impedance converter transforms load impedance to prevent efficiency drops caused by high coupling degrees and increased coil distance.

Transmitters create localized energy pockets to charge multiple devices wirelessly, resolving inefficiencies from uniform signal broadcasting.

An intelligent wireless power charging system manages battery levels through automatic swapping and feedback control mechanisms.

An NFC power deriver extracts energy from ambient radio frequency signals to charge a local power supply, eliminating reliance on external mains connections.

A non-contact power supply control device detects living bodies near the ground-side coil to restrict energy transmission.

A power transmission circuit sweeps frequencies to measure current and voltage for selecting an optimal resonant frequency.

A battery system captures ambient electromagnetic waves and converts them into charging current for remote power replenishment.

A wireless charging system converts power energy into modulated radio waves for transmission.

A multi-layer shim assembly aligns wireless power coils and routes conductors through dedicated channels.

A drive controller adjusts duty cycle and frequency to manage wireless power transmission levels.

A circuit arrangement uses a controllable damping element to vary oscillator amplitude for inductive energy transfer.

A supplying-end coil drives power and detection signals via separate drivers to identify smart cards.

A processing module analyzes sinusoidal amplitude changes in the feedback signal to detect intruding metals during power transmission.

Integrated sensor module combines linear acceleration and rotational velocity measurements to resolve trade-offs in impact assessment accuracy.

A bidirectional wireless power transfer device uses a selector to switch between transmitter and receiver operations.

A wireless power transmission unit converts low DC voltage to high RF energy using resonant magnetic coupling between series and parallel antennas.

Dynamic frequency adjustment prevents unauthorized receivers from capturing oscillating fields, ensuring secure energy transfer.

Replacing copper wiring with aircraft cavity resonators reduces weight, fuel consumption, and maintenance burdens while improving data rates.

Printed circuit traces replace mechanical switches to control current flow, reducing manufacturing complexity while enabling remote wireless charging.

Antennas using higher order spherical modes transfer wireless power between arbitrary positions via phase difference control.

Transmission controller detects phase value changes in the transmission coil to reset the driver and adjust frequency, maintaining stable power supply.

A wireless power receiving apparatus uses a control unit to adjust switch duty ratios for dynamic resonance frequency tuning.

Transmitters adjust antenna distances to form energy pockets for targeted wireless power delivery.

A wireless power transfer system with multiple transmitters and dynamic frequency adjustment.

Piezoelectric transducers and solar arrays convert ambient vibration and light into electrical power, eliminating battery replacement needs.

A coil apparatus uses a control coil and variable capacitor to adjust resonance frequencies for stable power transmission.

Segmented Dickson charge-pump stages reduce backflow current to maintain output voltage during intermittent signal conditions.

A Class-E amplifier adjusts operating frequency and voltage to maintain resonance during inductive energy transfer.

A wireless power transmission system uses capacitively coupled electrodes to transfer energy efficiently.

Telemetry feedback adjusts detection thresholds to reduce false alarms during medical procedures.

A driver coil array and hexagonally packed transmitter mat establish magnetically coupled resonance to deliver power wirelessly.

Inductive coupling replaces mechanical connectors and T-pieces, eliminating wiring complexity and erosion in wet or aseptic industrial environments.

An electromagnetic induction system transmits electrical energy through a gap to eliminate periodic battery replacement in electronic locks.

Electromagnetic induction replaces slip rings to eliminate mechanical wear and electrical noise interference while charging inertial sensor assemblies.

A dynamic current limit system filters GSM pulses in wireless power circuits.

A battery cover generates electric power through wireless induction to charge internal batteries.

Electromagnetic parasitic power transfer supplies remote sensor nodes via RF coupling, eliminating battery replacement in hard-to-reach locations.

A vehicular system stops inductive power feeding during portable device communication to prevent electromagnetic noise.

Dual-stage resonant circuits pump current to create strong electromagnetic fields, overcoming weak coupling in implantable medical devices.

Solar panels convert light to electricity for wireless transmission via resonant coupling, eliminating wired charging constraints that restrict device mobility.

A wireless power resonator design uses a line width smaller than the spacing to a metal layer.

A wireless power feeder uses frequency sweeping to selectively energize multiple receivers via magnetic field resonance.

Segmented needle elements enable simultaneous multi-location delivery, eliminating frequent repositioning and reducing tissue damage.

Broadband antennas capture RF signals and convert them to DC voltage via rectifier circuits.

A wireless power feeder adjusts drive frequency via phase detection to maintain magnetic resonance between coils.

A wearable health monitor analyzes physiological data to generate personalized feedback for users.

Slots in the antenna element and a folded ground structure reduce volume while maintaining radiation efficiency.

Electromagnetic induction replaces wired connections to supply instantaneous power, reducing installation time and improving aesthetic appearance.