Methods and apparatus for 3D shutter glasses synchronization
US9426453B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 2, 2012 |
| Grant date | Aug 23, 2016 |
| Priority date | — |
| Expiry date | Dec 23, 2033 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N2213/008
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
Methods and apparatus for signaling timing of refreshes of stereographic displays are provided. In some embodiments, light emitting elements are used to signal the start of a display refresh and to signal when the light emitting elements of the display have attained a stable optical state following the display refresh. In some embodiments, light emitting elements used to signal timing of display refreshes include light emitting elements defining a display area of the display.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.