Electrical Apparatus TRIZ Cases

A PWM pulsed LED circuit uses a capacitor, NMOS, diode, and choke to replace HID flash units with compact, longer-life high-brightness lighting.

When one fixture fails, adjacent lights raise brightness via wireless fault signals to keep zone illumination near the target level.

A three-layer wiring and local driver layout shortens pixel signal paths to support high-resolution XR displays with lower area and power.

A transistor clamps driver-module voltage so blue and infrared LEDs can run together with lower power use, fewer false alarms, and no storage capacitor.

Filtered PWM and feedback current control stabilize endoscope LED drive at high shutter speeds, preventing overcurrent damage.

A lookup table links ambient temperature to power thresholds so displays can sustain brightness while preventing component overheating.

A 10-transistor, 2-capacitor N-type pixel circuit preserves threshold compensation while improving integration, response time, and afterimage.

Basic emergency lighting gains sensor-based adaptation, with integrated control improving sensor accuracy and optimizing brightness and battery use.

Individual pixel-based supply calibration corrects light module projection defects across temperatures without changing optical components.

Pixel-level forward-voltage sensing estimates temperature and adjusts drive current to prevent color and intensity variation across micro-LED arrays.

Wireless control gear remotely shuts off radar sensor power and adjusts sensitivity, reducing false detection without opening the luminaire.

An orientation sensor directs illumination outside a defined restriction zone, preserving environmental lighting while limiting visibility to observers.

Preconfigured lighting templates are adjusted to room attributes and device lists, cutting manual setup time while preserving flexible scene effects.

Planned and observed bus electrical parameters are matched across power states to localize lighting devices without manual commissioning.

Rapid dithering between PWM and hybrid LED driving cuts visible flash during color changes while preserving color consistency and power efficiency.

Dynamic voltage during PWM cycles drives high-forward-voltage microLED outliers, reducing dark spots and limiting heat loss.

An added control-bus supply measures existing current before output and adjusts its limit to prevent standard-limit overload.

An integrated Zener-diode circuit derives low-voltage DC for luminaire logic, reducing LED driver complexity and cost.

Replacing separate ballasts and wireless add-ons, the integrated unit simplifies LED installation and remote lighting control.

Reducing transistor and capacitor complexity preserves threshold voltage compensation for ultra-high-resolution display pixels.

Separate power controllers alternate two light sources so building lighting stays continuous while cumulative use and thermal damage are reduced.

Selective full- or half-wave rectification combines AC/DC control inputs, reducing internal channels and controller pins in lighting converters.

Small movements can trigger false lighting shutoff; adaptive PIR thresholds update from signal behavior to maintain presence indication amid noise.

Primary-side voltage sensing and VCO signaling cross the isolation barrier, reducing driver complexity while preserving isolated LED control.

A non-transmitting filter base with clockwise and counterclockwise spiral apertures reduces moiré from sensor misalignment and improves image clarity.

A rendered bias-lighting boundary softens contrast between video and virtual background in HMDs, reducing eye strain while preserving image quality.

RGB laser elements project coded light points onto buildings, replacing wired LED strips for flexible, year-round architectural lighting.

A storage capacitor reuses switching energy in light-emitting devices while actuator control steadies camera images during zoom and autofocus.

A local real-time counter synchronized to scheduled turn-on time replaces virtual-midnight estimates for precise LED dimming.

An LED driver selection circuit validates electronic commands and overrides DIP switch settings when wireless programming is valid.

A temperature sensor regulates illumination around crop-sample thresholds to support frequent, consistent constituent measurements.

Voltage-drop feedback sets the LED driver supply to a minimum at start-up, limiting dissipation and stabilizing operation.

Live-wire voltage detection synchronizes multiple dimmers, helping match control capacity to large loads in KNX systems.

Stacked organic compound layers and a hole-transporting layer limit luminance degradation while supporting controllable emission colors.

An MCU, R2R network, and DC-DC converter regulate LED voltage continuously, reducing harsh PWM fluctuations and eye strain.

Moisture content of 1.8% or less, controlled chromaticity, and low reflectivity help suppress oblique tint unevenness in organic EL displays.

Fixed-brightness indicators lose visibility as lighting changes; image processing enables automatic adjustment without a dedicated light sensor.

During TRIAC dimming voltage drops, the existing output capacitor powers the current controller, removing an external capacitor and stabilizing LED operation.

A single switch bypasses the converter for high-frequency power and creates a 1.5 mm safety creepage gap for installers.

Multiple control switches share one packaging block, reducing backlight board space while preserving individual LED control.

Row switches, current adjustment circuits, and current mirrors let one driver control anti-parallel LED pixels and standard matrices.

Twisted linear filaments around a central stalk distribute light in all directions while preserving a decorative LED bulb structure.

Series-connected LEDs use parallel switches and ordered duty-ratio control to prevent light turn-off during voltage drops.

Multiple attached light sources disperse illumination from different angles, reducing shadows and repositioning in tight work areas.

A microcontroller switches visible and infrared LEDs by payload commands, balancing visible signaling with covert illumination.

An LED power supply selects preset PWM frequencies to balance camera-related flicker, high-pitched noise, and dimming grayscale range.

Fluorinated repeating units in a crosslinkable photosensitive resin improve liquid repellency for patterned display banks.

Segmented snap-fit lamp bodies let users replace a failed LED module instead of the full light string, while polar plates separate pins.