Apparatus for editing documents adapted to reduce a process time of refreshing the documents
US5287443A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | May 21, 1991 |
| Grant date | Feb 15, 1994 |
| Priority date | — |
| Expiry date | May 21, 2011 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F40/103
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
An apparatus for editing documents input from an input device, capable of reducing a process time of renewing the documents to be displayed on a display device and capable of increasing a displaying speed of the renewed documents during an editing process includes a document storing unit for storing document data, a text-layout information storing unit for storing text-layout information separately in accordance with a preceding time and a succeeding time with respect to an editing operation, the text-layout information indicating positions of the document data on the display device at a time when the document data are displaying, a display image storing unit for storing image data, the image data being used for displaying the document data stored in the document storing unit on the display device in accordance with the text-layout information in the preceding time stored in the text-layout information storing unit, an editing unit for producing the text-layout information in the succeeding time from the text-layout information in the preceding time stored in the text-layout information storing unit and the document data stored in the storing unit in accordance with an indication i…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.