This is a demo of a lighting control system controlled by a battery-less switch. The sensors in the switch are battery-less and activated by wireless energy transmitters.
[Demo] A Lighting Control System Using a Battery-less Switch Activated by Wireless Energy Transmitters
Prof. Sakaguchi and Dr. Yu Tao presented at IEICE Society Conference
Prof. Sakaguchi spoke at IEICE Society Conference on mmWave Application in 5G and Beyond and Dr. Yu Tao spoke on A Lighting Control System Using Battery-less Wireless Human Detection Sensor
Research of Wireless Grids was featured by BS フジ 様
Please check out the link for details.