Electrical Apparatus TRIZ Cases

A light emitting device driving module uses a controller to manage on-off states of series-connected emitters.

Switching circuits modulate partial LED strings to smooth current waveforms and reduce total harmonic distortion.

Integrating visible and invisible light emitters resolves the contradiction between precise screen pointing and convenient multi-user operation.

A shunt switch in the rectifier circuit reduces input voltage to drive LED loads.

A control circuit applies non-uniform power pulses to an LED array, creating variable intensity levels within each cycle.

A modular sensor device with a removable control module enables easy swapping of lighting and temperature functions without requiring electrical expertise.

A DIAC oscillator circuit controls an LED driver using rectified line power without a separate supply.

A liquid-proof fitting structure uses a concave buffer space between wall surfaces to suppress water entry forces.

Nitrogen doping in tungsten oxynitride reduces forming voltage and improves resistance ratio, addressing high energy barriers in standard metal oxide RRAM.

Lateral heat dissipation through a confining material enables unipolar switching in amorphous carbon memory, reducing power consumption and improving endurance.

Optical pulses modulate switching barriers in solid electrolyte memristors, reducing power consumption during electroforming.

A transistor-based voltage divider generates an adaptive reference voltage for LED control circuits.

An installation housing integrates an insulating body between the wall and cover element to secure mechanical components.

A lighting module integrates a resistor circuit and NFC control interface to set output resistance via wireless signals.

Embed identification tags in lighting design data to generate detectable signals within emitted light beams, enabling traceability of unauthorized distribution.

Light mixing chamber replaces heavy lead glass crystals with reflective particles to create dynamic sparkling effect via time-dependent anisotropic luminance.

A display device manufacturing method uses sacrificial layers to pattern pixel electrodes without fine metal masks.

A time-delayed dimming sequence warns occupants of impending light cutoff, preventing abrupt transitions while maintaining energy efficiency.

A hybrid LED driving circuit applies pulse width modulation at low currents and pulse amplitude modulation at high currents to adjust grayscale levels.

Segmented LED channels controlled by a media gateway synchronize with video content, resolving the trade-off between immersive lighting and system complexity.

A lighting device uses a secondary power supply to execute a pre-installation connectivity test routine via its wireless transceiver unit.

A light source device uses an optical sensor to monitor emitter output for precise color balance control.

A delay module shifts LED current activation to allow inductor current to reach steady state, reducing output ripple voltage during short PWM on-times.

An incandescent bulb emulator converts input voltage to drive an LED load while matching the linear current curve of a simulated incandescent bulb.

Integrates USB ports into LED grow light fixtures to eliminate separate wiring infrastructure, reducing installation labor and costs.

A current control system selects the light source with the highest forward voltage as a reference to equalize currents across parallel-connected components.

A gaming console uses a controller to manage lights inside a connecting tube based on user inputs.

Flexible printed circuits enable daisy-chained LED segments to reduce wiring complexity while maintaining dynamic control capability.

A controller identifies installed diffusers and adjusts LED driver parameters to maintain consistent optical output.

Optical encoding eliminates sequential manual coding steps, reducing assembly time and error rates for decorative LED light strings.

A wireless lighting control system uses an accelerometer sensor to detect three-dimensional motion for directing multiple light installations.

A mounting aid with a receiving area directs foam to fix flush-mounted boxes in masonry recesses.

A self-excited TRIAC dimming circuit integrates a power factor controller and an isolation transformer to stabilize driving voltage.

Segmented high power supply voltage trunk wiring lines connect via a curved portion conductive layer to maintain stable electrical potential.

A light-actuated LED driver circuit switches modules between series and parallel connections to handle varying input voltages.

Crimped bushings with segmented contact sections join the support ring to the electrical socket base.

Electronic database search determines optimal control gear and luminaire combinations, eliminating manual calibration errors from manufacturing tolerances.

A phase dimmer drives a PWM controller to switch LED strings between series and parallel modes.

Visual light communication encodes luminaire positions into modulated optical signals, eliminating manual barcode scanning and reducing installation time.

A light emitting diode module integrates the light-adjusting unit and conductive trace directly on the circuit board.

A light absorption filter uses a squarine dye and radical-generating compound to decolorize under ultraviolet irradiation.

A single-stage converter detects input current frequency to select appropriate feedback loops for stable LED driving.

A stick handling training board uses embedded sensors to track puck movement and display real-time performance metrics.

A stacked display device uses an insulating resin layer between adjacent light-emitting layers to enable precise pixel alignment without shadow masks.

A coupling mechanism modifies original control signals with scaling factors to generate effective drive signals for light-emitting elements.

Dynamic voltage adjustment reduces unnecessary power consumption by calculating driving voltage from peak luminance.

A computing device monitors photosensors using joint probability distributions to detect and locate faulty units within a lighting network.

A modular LED illumination system adjusts luminance and color temperature using independent control units.

Specific aromatic emitters replace toxic mercury lamps, enabling portable solid-state UV devices with reduced operating voltage.

A resonant LED converter adjusts half-bridge switching frequency and duty cycle to maintain stable power delivery across varying load conditions.