Legends TRIZ Cases

Printed adhesive and reflective patterns on a keypad light guide plate redistribute LED light, resolving nonuniformity caused by distance attenuation.

Isolating structures direct LED light to specific control symbology on keypads.

A single-sided circuit board illuminated switch assembly uses a light-guiding member to transmit LED light upward for operation.

A keypad waveguide with reflection patterns transmits light to illuminate key buttons uniformly, eliminating uneven lighting from direct LED placement.

A multi-device input switch routes communication signals between electronic devices using a dedicated control mechanism.

Audible indicators ensure fault notification reliability despite visual indicator limitations.

Recesses reflect light within the waveguide, reducing leakage and loss.

Nesting the lighting device inside the call button directs light through a side window, eliminating external protrusions that increase vandalism susceptibility.

A miniature switch module integrates a battery harness with a circuit board to enable compact assembly.

Segmented keyframe modules with metal support plates resolve the contradiction between portable form factors and reliable tactile feedback.

An optical light guide replaces mechanical indicators to eliminate binding parts and reduce manufacturing tolerance requirements.

Segmented planar light guide film eliminates dome-induced hotspots, delivering uniform illumination with lower energy consumption.

Segmented electronic modules prevent light leakage and expose live wires by using resilient connectors that swivel with the rocker for safe assembly.

A lightguide panel with a recessed perimeter region minimizes unintended light emission from input key subassemblies.

A frame with an integrally formed backlightable indicator region transmits light from an internal illumination assembly to a continuous outer surface.

A sintered composite component features isolated sections bridged by a removable holding device that creates distinct material portions.

A paddle assembly inverts to reconfigure the optical path within a floatable housing.

A membrane circuit board integrates a light-guiding spacer layer to guide illumination while providing structural separation between conductive layers.

A flexible carrier membrane positions keypad keys in a convex configuration to enable finish application.

Replacing mechanical contacts with an optical path blocked by a soft-iron rocker eliminates tuning complexity and contamination risks in coaxial RF switches.

A frameless button lens displays images across its entire curved surface using blast processing to eliminate glare.

A lighting insert integrates an electrical selector switch to enable user-driven color customization within compact installation devices.

A keycap structure integrates a light-transmissible circuit substrate to protect micro light-emitting elements within an accommodation space.

Integrating a structural light guide frame with micro features distributes light evenly across the keypad while reducing overall device thickness.

Forming character cavities in metal keycaps and filling them with optical material reduces light leakage and air pockets for clearer backlighting.

An electroluminescent lamp activates free-standing quantum dots to emit specific wavelengths, reducing power consumption while maintaining high luminance.

Segmented light guide with V-shaped notches distributes illumination uniformly across keys while reducing power dissipation and manufacturing costs.

A switch unit integrates an infrared presence detector and backlighting to locate the device in dark rooms.

Offset coil antenna center axis from operation knob line to enable flexible LED illumination through slider light guide paths.

Thin flexible bellows bridge key gaps to prevent light leakage without increasing device thickness.

Direct OLED placement eliminates bulky light guides, reducing keyboard thickness and energy consumption.

Electric door intercoms use fire-resistant labels without transparent windows to resist vandalism and maintain readability.

Segmented keycap passageways allow selective illumination of character sets, resolving the trade-off between multi-character versatility and readability.

A slope portion redirects reflected light away from the gap between panel and button portions, reducing light leakage that degrades aesthetic appeal.

A backlighting assembly uses a rigid frame and light guide film to direct side firing LED light toward keypad keys.

Light guiding sheet directs single emitter light to multiple key buttons, reducing power consumption and simplifying fabrication.

A light control system adjusts keyboard backlight color temperature and intensity using a sensor to match ambient illumination levels.

Transparent stalks transmit light while translucent bodies diffuse it, eliminating dark spots caused by internal components in handheld device keys.

A transparent protecting layer allows laser engraving on keycaps, eliminating extra protective layers and reducing thickness.

An integrated light guide supports the pivot axis within the button, allowing mold sliding for reduced thickness while providing nighttime illumination.

A push-type switch uses a movable seat to depress flexible conducting elements for electrical contact while an OLED module displays dynamic images.

Reflecting patterns on a light guide plate distribute single-LED light to key buttons, reducing power consumption while maintaining uniform illumination.

Refracting structures on the transmission plate redirect LED light to illuminate lateral button sides, addressing insufficient circumferential brightness.

A keypad structure uses a vibratory element to provide tactile feedback when dome switches are pressed.

Selective illumination of translucent layers indicates operating modes, reducing physical key clutter and manufacturing complexity.

Laser engraving on a rigid film prevents symbol dislocation and yellowing during subsequent plastic injection molding.

Segmented waveguides generate distinct background and patterned signals, resolving notification differentiation limits without increasing device complexity.