Head-mounted visual display device for low-vision aid and its system
US8130263B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 28, 2010 |
| Grant date | Mar 6, 2012 |
| Priority date | — |
| Expiry date | Oct 30, 2030 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09G2380/08
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A head-mounted visual display device for low-vision aid, which features 2 models, they are analog signal model and digital signal model. Said analog device contains at least an analog video extractor, a video decoder, an ITU-R.656 decoder, a de-interlacing unit, an image processor, two YCbCr to RGB converter, two color enhancement units, two video D/A converter, a head mounted display, a signal voltage controller and a wireless communication module. Said digital device consists of a digital video signal extractor/capturer, a RGB to YCbCr converter, an image processor, two YCbCr to RGB converter, two color enforcement units, a head-mounted display, a signal voltage controller and a wireless communication module.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.