Video display apparatus and video display method
US7212218B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 1, 2003 |
| Grant date | May 1, 2007 |
| Priority date | — |
| Expiry date | Mar 7, 2024 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N7/0122
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
When the combination of the image signal and contents each having various aspect ratios is displayed on the display with various aspect ratios, an image display device that generates a proper display screen with simple operation or automatically is provided. The image display device of the present invention has a display screen expanding part for expanding a display screen of input image signal in at least one direction of the horizontal direction and the vertical direction based on an expansion ratio; a selecting part for automatically setting the above-mentioned expansion ratio of the above-mentioned display screen expanding part in at least one direction of the horizontal direction and the vertical direction based on information on an aspect ratio of a display, information on an aspect ratio of an image signal, and information on an aspect ratio of contents as an effective section of the above-mentioned image signal; and the above-mentioned display for displaying the display screen of the above-mentioned image signal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.