Display apparatus having a scroll feature
US7477235B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Feb 24, 2006 |
| Grant date | Jan 13, 2009 |
| Priority date | — |
| Expiry date | May 12, 2026 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09G2360/12
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A display apparatus includes a display memory for storing an image of a first area forming a portion of an entire image; a display section including a display screen having a display area usable for displaying at least a partial image of the first area; a case for exposing the display screen; a scroll unit operable to move a display screen area appearing on the display screen over the image in accordance with a movement of the case; and a controller operable to provide a virtual memory area for storing an image of a second area having a size greater than the size of the first area in the image when the scroll unit moves the display screen area beyond the first area.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.