Ring shaped wearable device having projector
US10372160B2 · kind B2 · utility
5Cited by
13References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 14, 2014 |
| Grant date | Aug 6, 2019 |
| Priority date | — |
| Expiry date | Nov 14, 2034 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03B17/54
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A wearable device, which comprises: a ring-shaped case having an opening part formed in the middle thereof; a projector mounted at one side of the case and outputting an image; a lens part adjusting the direction and the size of the image, which is projected from the projector, so as to project the image; and a control unit for adjusting the projector and the lens part according to an image signal, can deliver visual information to a user wearing the wearable device even without a separate display unit by outputting the image onto the hand of the user.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.