Legends TRIZ Cases
- Keypad Light Guide Plate Uniformity via Printed Patterns
Printed adhesive and reflective patterns on a keypad light guide plate redistribute LED light, resolving nonuniformity caused by distance attenuation.
- Illuminated Panel Optical Isolation for Cross-Illumination
Isolating structures direct LED light to specific control symbology on keypads.
- Single-sided PCB Illuminated Switch Assembly
A single-sided circuit board illuminated switch assembly uses a light-guiding member to transmit LED light upward for operation.
- Keypad Waveguide Illumination Uniformity
A keypad waveguide with reflection patterns transmits light to illuminate key buttons uniformly, eliminating uneven lighting from direct LED placement.
- Multi-Device Input Switch with Adaptive Backlight
A multi-device input switch routes communication signals between electronic devices using a dedicated control mechanism.
- Circuit Interrupter Audible Fault Notification
Audible indicators ensure fault notification reliability despite visual indicator limitations.
- Waveguide Member Recesses for Keypad Illumination
Recesses reflect light within the waveguide, reducing leakage and loss.