A New concept of air purifier using water curtain Unlike many people think that an air purifier alone can clean out fine dust perfectly, appropriate ventilation is needed for clean air. Sun Shower is a new concept of air purifier that ventilates and purifies at the same time by using the principle o...

Ampathy is a vibration speaker for the cultural communications of hearing impaired people People who have auditory disorders were isolated from communications with others. They were excluded from social cultural activities such as listening to music or watching a movie. They cannot hear sounds, b...