Using Electrical Means TRIZ Cases

See how a grill leveling mechanism monitors motor current during surface contact to auto-calibr

See how magnetic field rotation sensing between pivoting grill plates measures food thickness t

A spring-loaded plunger senses capsule position without barcodes or labels, enabling reliable control of brewing speed, flow, and liquid conditions.

Motor current sensing detects platen contact and separation points to auto-calibrate grill gap settings and reduce manual leveling work.

A stacked electrode and shield-controlled sensing mode distinguishes conductive and dielectric bodies for more accurate compact proximity detection.

Three magnetic sensors use intersection and zero-cross signal correction to improve rotation shaft angle estimation accuracy.

Magnetic sensors and alternating-polarity magnets replace contamination-prone optical tracking to improve rotating LIDAR position accuracy.

A sealed air-filled cavity mechanically isolates a Hall sensor from vibration and deformation, preserving distance measurement accuracy.

A chassis-mounted radar measures both road and axle distances, improving suspension height sensing when dirt or water disrupts one signal.

Sensors track hand position and wheel angle so steering wheel touchscreen controls and indicators shift for better ergonomic access.

Counts sensor-to-control timing lag and compensates motor position data to improve responsiveness and stability in each control cycle.

Multiple magnetic detection elements with facing and reversed orientations keep switch operation detection accurate even if a sensor fails.

Bending a flexible board with preconnected planar coils creates a 3D coil with lower contact resistance, lower loss, and simpler sensor manufacturing.

A sealed air layer mechanically uncouples the Hall sensor from tire loads and vibration, enabling accurate tread thickness measurement.

A magneto resistive sensor tracks brake pad distance wirelessly, avoiding wheel removal, wire harnesses, and consumable wear sensors.

Different shield-line resistances let capacitance sensing pinpoint which electrostatic detector interconnect has failed.

Magnetic sensing through a nonmagnetic drive-over layer measures tire tread depth from steel-belt field changes for automatic wear monitoring.

Selective electromagnet activation and magnetic field sensing determine rearview mirror orientation across three axes while compensating ambient fields.

Magnetic sensors and opposed magnets replace optical rotation tracking in LiDAR, resisting contamination while preserving azimuth accuracy.

Inductive PCB coils track angular displacement through eddy-current changes, avoiding dust, moisture, and lubricant errors in protective devices.

Magnetoresistive angle and incremental sensing preserve multi-turn shaft position through power loss without re-initialization.

An integrated sensor housing doubles as the motor cover to cut installation space, reduce parts, simplify assembly, and maintain sealing.

Capacitance changes from a sliding graphene flake enable stable, accurate displacement sensing in a compact MEMS-friendly layout.

Multiple magnetic force sensors, including one reversed sensor, let a vehicle switch detect sensor faults and keep operation sensing reliable.

Opposite-polarity dual coils on a PCB cancel interference and cornering effects, reducing offset error in rotary inductive sensing.

Varying magnet widths within adjacent polarity groups creates a smooth long-period sinusoidal signal for accurate absolute position detection.

Magnetic field sensors and demodulation extract rotor position without extra sensors, cutting measurement chain complexity and space.

A two-sided PCB places coils and processing separately, using slotted shielding layers to block EMI without sacrificing coil area or signal quality.

By placing the sensing element outside the joint holder, this chassis design preserves strength while simplifying manufacture and lowering cost.

Plastic-bonded magnet material is molded directly onto the rotating body to cut assembly steps, cost, and shaft positioning error.

A bulging transmission electrode boosts mutual capacitance change, improving proximity sensor sensitivity and detection distance.

Sinusoidal and cosinusoidal inductive coils nested with a toothed rotor target improve motor angle accuracy while saving axial space.

By detecting coil spring rotation through an integrated bearing-supported member, this case improves displacement accuracy and durability with fewer parts.

Non-quadrature sensor outputs generate three phased logic signals for brushless motor control with a simpler, lower-cost circuit.

Progressive rotor lamination cutouts create variable reluctance for accurate position sensing while reducing axial motor length and magnet-related errors.

A leg-spring-preloaded two-piece sensor wheel removes ball screw backlash to deliver precise steering position feedback.

A magnetic drive-over sensor measures tire tread depth through a nonmagnetic layer, replacing manual checks with automatic wear monitoring.

A hill-shaped rotor identifier lets one stator sensor calibrate swivel core position, cutting sensor count, cost, and angle drift.

Two magnetic sensing points cancel external field interference, enabling more accurate tire wear measurement from an embedded tread magnet.

Dual annular magnetic tracks and 90° phase-shifted signals enable high-resolution absolute angle measurement at both stopped and rotating motor states.

An electromagnet and trailer magnetometer isolate hitch-angle signals from stray magnetic fields for accurate, low-wear towing measurement.

Two orthogonal magnetic sensors generate 120° phase signals for motor angle control, reducing sensor count and installation effort.

Soft magnetic bodies guide flux from alternating magnets to raise flux density difference, improving sensor sensitivity at lower cost.

A screw-based mount adjusts the axial gap in a rotation sensor, simplifying setup while maintaining precise detection and secure fixation.

A permanent magnet saturates steel in the tire to stabilize interference, letting a sacrificial magnet track tread wear accurately.

A sacrificial tread magnet and a nearby permanent magnet isolate steel-induced interference, enabling more reliable tire tread depth sensing.

Paired magnetic parts guide flux through the magnetic sensor to reduce arctan distortion and improve rotation angle detection accuracy.

A rotary encoder and conduit-guided cutter measure and cut ductile cord from bulk reels accurately, reducing waste and rework.

A link circuit capacitor captures carrier-frequency feedback to determine motor currents without multiple sensors, cutting cost and installation space.

Plastic-bonded magnet material molded onto a rotating body removes cups and adhesives, improving shaft position accuracy and assembly simplicity.

Brush angle sensing and regulation matches inclined vehicle surfaces, improving transition-region cleaning while preventing unwanted swinging.

An angled transverse magnet and differential sensor extend linear displacement range while preserving accuracy and stray-field immunity.

Domain-wall memory and opposing magnets preserve multi-turn position data through power outages for accurate absolute angular or linear measurement.