Transformers TRIZ Cases

A common mode choke impedes interference currents in an electrosurgical generator while providing leakage inductance for the resonant tank.

A multi-coil array produces a rotating magnetic field that maintains consistent inductive coupling with an electronic contact lens despite orientation changes.

A solid state relay integrates an oscillator and isolation transformer on a CMOS chip to generate drive signals for fast switching.

Parallel coreless micro-transformers enable bi-directional signal transmission between master and slave circuits in switching power supplies.

Laser melting forms smooth corners on the dielectric sheet to eliminate stress concentration and prevent crack formation in the surrounding resin.

Strategic permittivity variation in the insulating layers divides applied voltage, reducing electric field intensity at coil corners to prevent breakdown.

An electron-coupled transformer converts extracted high voltage DC into alternating current using electromagnetic induction through a virtual cathode.

A retractable power tap integrates a low voltage charging pad into its cover for hidden cord storage.

A flexible display device measures screen extension length using an induction coil and magnetic field generator to drive precise image size adjustments.

A multilayer electronic component positions inter-layer connection conductors at the periphery to preserve central magnetic core area.

A variable thickness magnetic layer reduces ferrite weight by 35% while maintaining uniform magnetic flux density across the charging region.

Asymmetric wire stacking in a common mode filter maintains equal inductances across broadband frequencies.

Magnet gaps in the ignition coil magnetic circuit optimize flux density, enabling high output at high rpm without increasing coil size.

A coil component uses a recessed electrode terminal to connect wire members via welding, enhancing mounting strength and reducing electric resistance.

A six-wire twisted cable configuration enhances coupling between windings in an isolation transformer.

A single structure multi-mode antenna uses switched inductor coils to dynamically tune resonant frequencies across multiple wireless power standards.

Polymeric foam and cellulosic layers absorb shrinking resin forces, preventing core distortion and maintaining magnetic flux integrity.

Core cover recesses allow filling resin contraction during thermal cycling.

Dual-sided coil windings on a ferrite core maintain continuous power supply during cornering, reducing device complexity.

An ultrasonic handpiece uses inductive coupling between primary and secondary coils to power interchangeable inserts without direct electrical connections.

Radial routing of split secondary windings eliminates axial length and electric field concentrations at the high voltage terminal.

Partition plates separate primary and secondary windings while embedded core legs adjust leakage inductance, reducing height and simplifying assembly.

Autotuning adjusts transmission frequency to maintain power transfer efficiency while eliminating manual battery replacement.

Rounded connector tip prevents foreign object adhesion and deformation during assembly.

Shifting twisted wire positions circumferentially balances stray capacitance between wires and the mount board, improving mode conversion characteristics.

Resin coating layer covers wound conductive wire to enhance dielectric strength, preventing insulation failure during thin-wire connection processes.

Self-supplying inductive current transformer transmits data via secondary winding modulation.

Magnetic material embeds semiconductor wiring structures to suppress high-frequency interference and enhance electrostatic discharge protection.

A wireless power reception coil relays electric power to an actual load while maintaining stability through a parallel auxiliary load circuit.

High-Q resonant coil antennas transfer energy wirelessly through electromagnetic field coupling, reducing environmental interference impact.

A cascaded current transformer configuration couples microinverter windings to measurement devices while maintaining high effective turns ratios.

A composite transformer uses interlocking insulation support racks to extend creepage distance vertically along the winding rack.

Directly patterning metal layers on a core insulating layer eliminates repetitive build-up steps, reducing manufacturing complexity and costs.

An electromagnetic shield in a second semiconductor chip counteracts magnetic fields from upper circuits, maintaining inductance without adding components.

Multilayer substrate integrates primary and secondary windings to eliminate separate bias supplies while maintaining signal integrity.

Segmenting resonance frequencies prevents induction heating of metal foreign materials while maintaining efficient power delivery to refrigerator loads.

Segmented magnetic circuits with dynamic excitation detect wide-range fault currents without saturation or blind zones.