Apparatus for editing documents adapted to reduce a process time

Details Apparatus for editing documents adapted to reduce a process time Apparatus for editing documents adapted to reduce a process time

1991-05-21

1994-02-15

Harkcom, Gary V.

395144, G06F 1562

Patent

active

052874435

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 input from the input device, and a processing unit for renewing the image data stored in the display image storing unit in accordance with a process of redisplaying characters and a process of transmitting the image data.

REFERENCES:
patent: 4538183 (1985-08-01), Kanno et al.
patent: 5122953 (1992-06-01), Uekusa et al.
patent: 5150458 (1992-09-01), Masuzaki et al.
Microsoft Windows Write User's Guide, 1987, pp. 20-25.
A High Speed Display Method on Editing Documents, Kenji Mameda, Shuichiro Ono, Shigeru Yoshida, Noboru Kubo, Proceedings of 41st National Meeting (The second half of 1990), pp. 3-245, --3-246, Information Processing Society of Japan (IPS).

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