Device and method for displaying caption window
US8284309B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Dec 28, 2009 |
| Grant date | Oct 9, 2012 |
| Priority date | — |
| Expiry date | Dec 19, 2030 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N21/436
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A device and method for displaying a caption window is provided. The method receives a first window-defining command by a TV controller, with the first window-defining command including a first window size and first caption content. A first caption data according to the first caption content is generated and stored into a system memory. a first portion of the first caption data stored in the system memory is accessed and displayed. A first offset stored in an offset register is updated to a second offset after a predetermined period. A second portion of the first caption data is accessed and displayed according to the second offset and the first window size.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.