Image handling apparatus and controller for selecting display mode
US5289168A · kind A · utility
28Cited by
7References
8Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jan 23, 1991 |
| Grant date | Feb 22, 1994 |
| Priority date | — |
| Expiry date | Jan 23, 2011 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F3/0485
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
Image handling apparatus comprises a store (22) for storing digital data defining an image; a monitor (30) connected to the store for displaying the image; a control system (1,2) for controlling the image display; and a digitizing tablet (5) defining an area corresponding to the area of the image displayed on the monitor (30) and a pen (31) moveable across the tablet (5). The control system (1,2) is responsive to movement of the pen (31) beyond the monitor display defining area of the tablet (5) to change the manner in which the image is displayed (e.g. scroll, zoom etc.)
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.