Separate display surfaces for EPG and program content
US9325965B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 20, 2011 |
| Grant date | Apr 26, 2016 |
| Priority date | — |
| Expiry date | Aug 12, 2032 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N2013/405
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
Disclosure is directed to providing an electronic program guide to one or more viewers in manner that does not interfere with others' viewing of other program service content. In one embodiment, altered 3D output signals are used such that one frequency of the output signal contains an EPG data image and a second frequency of the 3D output signal contains visual content from the broadcast service transmission. In another embodiment, an EPG is periodically inserted into video stream during predetermined frames, which are then captured and held by a synchronized headset. In another embodiment, an EPG image is output through the projector onto a projection surface.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.