Document processing method and system using multiwindow
US4829294A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jun 23, 1987 |
| Grant date | May 9, 1989 |
| Priority date | — |
| Expiry date | Jun 23, 2007 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F40/174
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
In a document processing method using a multiwindow including a display device having a display screen on which a plurality of windows are established, a virtual screen memory in which a plurality of virtual screens each corresponding to programs are generated to output results of data processing by programs, a memory unit for storing therein a window control table defining corresponding relationships between the virtual screens and the windows, and a control device for referencing the window control table and for outputting contents of each virtual screen in a window associated with the virtual screen on the display screen, copy source attribute data including an identifier of a second window established in the display screen and data defining a second partial region in the second window is memorized in correspondence with a first partial region on the vertical screen so that, in response to a command inputted by an operator while painting to the first partial region displayed in the first window, the display contents of the second partial region of the second window are copied into the first partial region of the first window based on the copy source attribute data stored on the …
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.