Electrical Apparatus TRIZ Cases

Merging multiple step-up circuits into one boost converter reduces device bulk while maintaining luminance for aeronautic imagers.

Segmented inductive series switch modules replace complex main controllers to simplify stair lamp installation and operation.

A lighting control device selects candidate colors from images and adjusts them for reproducible illumination.

A driver arrangement uses a division circuit to distribute control signals from a single output to multiple light sources.

A multiplexed comparator adjusts LED current sources to equalize illumination, eliminating specialized calibration equipment.

A surgical lighting system adapts the illuminated field size to match the operating area using spatially resolved luminance measurements.

An image sensor captures luminaire positions to create a lighting map, enabling automatic address assignment and resolving manual installation time.

A brightness-adjustable illumination driving system separates the control unit from the base to manage regulated DC voltage magnitude for light-emitting devices.

Sound-responsive LED lighting system adjusts brightness and animation patterns in real time based on detected audio input levels.

Switching between series and parallel current paths adapts to voltage changes, maintaining high efficiency across wide operating ranges.

Solid-state lighting units feature inter-unit communication modules and interlocking assemblies for flexible combination.

Inclined notches on flexible latching lugs guide the finishing plate into position, eliminating separate centering devices and reducing assembly complexity.

A pixel drive circuit uses a switch unit to route data signals to sub-pixel units in a time division manner.

Segmented data packets allow local generators to fill assigned slots, reducing bandwidth consumption and transmission time in lighting control systems.

Perforated sleeve design channels bypass flow through the conduit interior, shielding cables from turbulence and harsh environmental degradation.

Optimizing coupling between feedback and auxiliary windings maintains power factor above 0.90 and total harmonic distortion below 20% under variable loads.

A high-emissivity heat sink emits thermal energy from an AC-powered LED system through blackbody radiation.

A control circuit generates a PWM signal to regulate primary side switching frequency using secondary side feedback.

Solid LED matrix traffic lights use distinct patterns to convey stop, caution, and go signals, resolving color blind interpretation challenges.

A backlight adjustment system calculates outgoing light brightness to divide sources into closed areas with uniform illumination.

Driving unit adjusts currents for red, green, and blue sub-pixels using dedicated photo sensors to maintain balanced brightness.

A boosting circuit raises signal voltage from a gate driver to supply pixels with higher potential.

A lighting system synchronizes illumination levels with displayed images using a script-based controller.

Rotating the light pervious body eliminates sensor blind spots, enabling 360-degree object detection for safer night operations.

Controller adjusts LED drive currents using stored spectral data to produce uniform color output.

A chalcogen-containing switch layer enables rapid resistance state transitions in variable devices.

A driving circuit uses a switch and detecting unit to control LED groups sequentially based on voltage levels.

A light driver adjusts reference voltage to track rapid dimmer changes.

Direct current LED control eliminates pulsation artifacts by dynamically adjusting drive currents to maintain stable color location and brightness.

A display backlight uses multiple LED colors to match ambient light conditions.

A correlated electron material layer undergoes a rapid conductor-to-insulator transition via a Mott mechanism to switch impedance states.

A load-aware controller adjusts voltage in LED backlight circuits, suppressing electromagnetic interference and audible noise from phase-shifted PWM dimming.

Distinct gate electrode angles enable precise laser irradiation to correct short-circuit defects caused by electrostatic discharge during manufacturing.

A heat reflective adhesive tape uses a glass fabric carrier and metallic layer for cable protection.

A dimmer system uses isolated channel communication to synchronize zero crossings across multiple load channels.

Current mirror circuit duplicates reference currents from master to slave ICs, ensuring equal drive currents and eliminating luminance unevenness.

A reducing material layer between the anode and hole transport layer increases the effective work function of the anode.

A wall-mounted connection system uses a lower surface part and an upper internal part to house multiple connectors in a compact volume.

An elastic sealing body with a radial holding device simplifies assembly of single pipe seals for rigid plastic microducts.

A multi-function lighting device uses a full-bridge circuit to drive light sources via complementary PWM signals.

Semimetal atoms form conductive pathways in memory elements, reducing programming energy while preventing on-state retention failures.

A phase-cut detector monitors input voltage waveforms to trigger a protection circuit that blocks operation when dimmer angles exceed safe thresholds.

Narrowed sacrificial layers define smaller heaters in phase change memory devices, reducing power consumption and preventing voids during fabrication.

Sequential LED activation via scheduled timeslots prevents supply voltage instability and flickering when switching between different LED groups.

A delayed lighting circuit uses an energy storage component to maintain illumination after mains power loss.

Delay-based control circuit adjusts shunt switch timing to resolve slow current response and energy loss in LED drivers.

Controller groups luminaires by interface or port connections, eliminating manual input effort for large-scale lighting systems.

A control circuit measures headroom voltage across an LED current regulator to dynamically adjust input power.

PWM controller regulates LED current pulse amplitude by adjusting output capacitor voltage during the off-time, preventing flicker at low dimming levels.