Electrical Apparatus TRIZ Cases

A programmable driver uses a feed-forward loop to regulate output current in solid state light sources.

A control circuit calculates boundary voltage values using measured signals from gas discharge lamps after a predefined time interval.

An occupancy sensor emits a verbal notification before changing load states to elicit occupant feedback.

A dimmer control circuit provides compensation current greater than the holding current to prevent flickering during power transitions.

A light adapter adjusts fixture color to a target by varying source intensity based on individual and combined color gamuts.

A module divides LED channels into groups to detect minimum voltage and feed back signals for constant current regulation.

A color-mixing lighting control method calculates corrected light intensity values to maintain consistent brightness across multiple emission colors.

A control system overlays virtual interface elements onto a captured room image to pair display items with physical lighting sources.

A rotating cone aperture refracts light through test lenses to capture off-axis optical profiles for head-mounted displays.

Central power unit converts AC to high voltage DC for series-connected LED fixtures, reducing line losses and eliminating individual drivers.

A grommet turning portion elongates during insertion to accommodate wire harness mounting.

An asymmetric lapping amount at the cover inclination portion drains water by gravity, eliminating packing costs while maintaining waterproofing reliability.

Adjusting ammonia and argon flow ratios during deposition controls crystalline state resistance, reducing reset currents in phase change memory.

A dimmer switch circuit uses a variable phase shift network to control triac firing angles across a broad illumination range.

Solid-state light emitters generate dynamic lighting scenarios by determining reference control parameters for specific illumination states.

Switching type PTC limits current in LED circuit cells, preventing excessive surface temperatures when multiple adjacent LEDs short circuit simultaneously.

Encoding color selection in power pulses simplifies multi-color LED wiring, reducing failure points from excess connections.

Doped lanthanum manganite films achieve reversible resistive switching with linear voltage-conductance relationships for neuromorphic computing.

Sensor nodes process drone motor audio through bandpass filtering and fast Fourier transformation to match stored acoustic signatures against unknown threats.

Segmenting scan drivers across opposite panel sides minimizes layout area, enabling central placement and compact device design.

UV air treatment ceiling units use pathogen sensors to trigger periodic UV lamp cycles, reducing energy consumption while maintaining effective mitigation.

Repositioning auxiliary electrode to partition wall side surface enables high aperture ratio and effective voltage drop inhibition.

An automatic system adjusts speech signals using interactive voice response tests to identify user-specific hearing loss patterns.

A resettable over-current protection circuit uses a self-locking module to disconnect power during faults.

A noise generator produces a composite test signal by combining broadband noise and random impulses to approximate real-world audio characteristics.

A light emitting device directs UV-C radiation downward and upward using distinct peak wavelengths to sanitize surfaces and air.

Symmetrical material bridges on both end faces prevent asymmetrical deformation during clamping, ensuring reliable sealing across varying cable diameters.

Segmenting storage capacitance into two series components resolves layout limits while maintaining threshold voltage stability.

A hinged wall box nozzle pivots inward to simplify production and storage logistics.

Dynamic optical pulse power adjustment improves detection accuracy while maintaining eye safety and reducing energy consumption.

Modular smart bulbs with back-office servers enable emergency alerts and luminance maintenance while reducing device complexity.

Analog backup circuits synchronize with the ignition switch during microprocessor failure to prevent battery exhaustion and signal abnormal states.

A built-in electric power panel unit embeds into wall structures to achieve a coplanar front surface finish.

Transverse heater electrodes draw current through a phase change element to isolate DC and RF thermal paths, reducing power consumption and ON resistance.

A voltage sensing device analyzes timing changes in existing communication signals to determine operating voltage levels without additional hardware.

An MCU processes phase-cut and analog signals to resolve the trade-off between control simplicity and multi-method compatibility.

A notification appliance uses a control circuit to adjust pulse waveform characteristics and current amplitudes for LED drive signals.

Segmented power supply portions eliminate auxiliary wiring complexity while maintaining brightness uniformity across the organic EL panel.

Laser irradiation melts frit between substrates to prevent deformation and optical interference from inconsistent spacing.

A ballast module detects phase differences between outgoing and incoming currents to identify acoustic resonance conditions in HID lamps.

A power supply device detects LED lamp mounting states to enable safe voltage adjustments during replacement operations.

A lighting assembly uses individually controllable light sources and person recognition means to adjust emission based on observer line of sight.

A controller distributes power between high and low correlated color temperature LEDs to maintain user-selected lighting settings.

A recessed low voltage mounting bracket uses a rotating face plate to secure wiring bundles in new or old construction.

Longitudinal wires on four faces enable easy direction changes by cutting between transverse wires while maintaining rigidity.

A laminated film combines a base film with ultraviolet ray absorbents and a cured resin layer to provide surface protection.

A discharge lamp lighting device uses voltage detection to adjust electric power supply for precise brightness control.

Pre-assembled cable harness bundles specific-length wires to component mounting positions in modular house building elements.

Pixel circuit switching elements increase OFF resistance to reduce leakage current, preventing image quality degradation in flat panel displays.

Merging multiple actual value signals onto one input pin reduces device complexity and production costs while maintaining signal evaluation accuracy.