Railway Lighting TRIZ Cases

A compartmented curved profile with a flexible LED strip and closing band creates seamless gangway lighting with lower cost and cleaner appearance.

ETA-based interior brightness adjustment helps vehicle occupants adapt to outside light faster while limiting receptor overload.

ETA-based interior brightness adjustment helps vehicle occupants adapt to outside light faster while limiting unnecessary energy use.

A modular light profile on the door closing edge guides and scatters LED light for clear passenger visibility with less soiling risk.

A dual-source cabin lamp keeps low-level light on from a storage battery during power loss, improving railcar evacuation safety without extra wiring.

Visible light from interior LEDs cuts wiring and radio leakage while reliably controlling seats and displays inside vehicles.

A one-piece snap-fit mounting plate secures vehicle wall light sources quickly without tools, even when the mounting area is not visible.

Motorized latch control with weight sensing and cabin lighting enables touch-free stowage bin access while blocking opening during restricted flight periods.

Flexible wired modules and a shared translucent diffuser simplify long vehicle lighting assemblies while protecting electronics and maintaining uniform illumination.

A compound curvature display surface projects pre-distorted media to create undistorted views from multiple vantage points.

A rail vehicle signaling device generates light distribution patterns through exterior glazing for clear door status visibility.

A tramcar power system combines a fuel cell, super capacitor, and power battery to deliver high acceleration and extended mileage.

Segmented control modules reduce wiring complexity and installation space for rail vehicle lighting.

Coupled acoustic and optical warning systems trigger front lights during siren activation, resolving auditory perception blockage from headphones.

Replacing heavy metallic cups with an elliptical light guide post reduces weight while maintaining high illumination intensity.

An optical lens directs light from parallel LED columns through sequentially shortened paths to achieve bilateral distribution.

A rail vehicle projection device displays visual signals on the roadway to indicate safe areas for pedestrians and cyclists.

A seat illumination system uses a light projector and reflector unit to generate diffuse sunlight-like lighting for passengers.

Embedded sensors detect locking mechanism position to trigger color-coded illumination, eliminating manual inspection delays.

Rail vehicle emergency lighting system reduces LED luminosity via electronic ballast to maintain uniform illumination.

Snap-fitting case and cover modules enable rapid assembly of interchangeable lens bodies for customizable light distribution patterns.

A rail vehicle lamp emits light that reflects off the interior ceiling to signal occupancy levels through a window.

Ceiling film projection surface prevents crew obstruction while reducing display weight.

Adhesive-filled cavities in a shared fastening profile secure vehicle components to sandwich panels, resolving insufficient load-bearing capacity.

A railway compartment lighting system uses light and presence sensors to adjust illumination intensity based on occupancy and ambient conditions.

A heat releasing plate and vibrator generate airflow through machine vibration to dissipate heat from the light emitting device package.

A pre-assembled mounting unit consolidates supply lines and devices onto a single girder structure.

Infrared heating system guides radiation through waveguides to illuminate passenger compartments, reducing energy consumption from thermal inertia.

Gear oil replaces phosphites with dithiophosphate salts to eliminate odorous mercaptans while maintaining thermal stability.

A recessed LED strip in the door frame provides clear visual status signals while maintaining a smooth outer surface and protecting components from damage.

An inclined light source combined with a parabolic reflector and aspherical lens achieves high collimation while minimizing the volume of the optical assembly.

Photovoltaic light strips extend along railway vehicle sides to outline the full profile, reducing pedestrian collision risk in poor visibility.

Protruding inner walls in intermediate covers conceal gaps between lamp segments to accommodate rail vehicle body length tolerances.

A door leaf signaling assembly uses a locking key to mount lighting means within a translucent seal.

An arcuated seat support structure creates luggage storage space beneath rail vehicle seats, resolving floor area constraints while simplifying cleaning access.

Motor-driven actuators replace manual latches to prevent passenger access during turbulence, reducing hygiene contamination.

Centralized control manages distributed UV-C lighting devices for autonomous vehicle interior sanitation.

A movable auxiliary device shifts position via an actuator to avoid obstruction by open doors, ensuring reliable lighting and detection.