Building Lifts TRIZ Cases
- Armrest Emergency Stop Using Optical Signal Interruption
An optical interrupter in the stairlift armrest replaces bulky stop buttons, adding fault detection and preventing unintended use.
- Multi-Stator Linear Induction Elevator for CM Noise Reduction
Parallel-controlled stators in a linear induction elevator cut common-mode noise and EMI while enabling quiet, self-propelled car movement.