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We construct a pedestrian support system using visible-light communication with self-illuminated bollards. The system is designed for the requirements of people with weak eyesight and the elderly to notify them of danger and obstacles such as steps and signals. The luminescent color that the color temperature of 2000 K, that is orange, is suitable for communication. And we demonstrate prototype models...
A simplified curved structure of vibratory cantilevers has been designed and fabricated for precision improvement of triaxial tactile sensing. While the previously developed cantilever had two vibratory parts, the new one has one vibratory part and a compact hook with a small curvature radius. In tactile sensing simulation, the new structure has been expected to reduce the tactile estimation error...
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