Computing devices such as personal computers, laptops, tablets, cellulars, and countless types of Internet-of-Thing devices are increasingly prevalent in numerous aspects of modern life. Also they have a lot of different multimedia features. All the world delays in expecting of inexpensive wearable “like-glass” computers.
Hypothetically this one computer will includes cellular- and interaction-means. One of important means is sound reproductor. But classical cellular’s speaker – is very big or loud, and small earphone is unpleasant to carry all of the day. Therefore, a bone conduction has come to help in this problem. There are exist a lot of devices based on “bone-conduction” principle.
One of the first Google’s glasses (US8553910) includes vibration transducer (marked by 182 at picture) in the role of bone-condction speaker.