Image filing system for protecting partial regions of image data

Details Image filing system for protecting partial regions of image data Image filing system for protecting partial regions of image data

1991-12-19

1993-08-10

Herndon, Heather R.

395145, G06F 1562

Patent

active

052356817

ABSTRACT:
A partial region of an image is set as being a secret region and an ID code is put to data concerning this secret region, the data then being stored in a memory, so that, unless an ID code which is input from a keyboard is coincident with the stored ID code, the image is selectively prevented from being displayed on a CRT display, printed by a printer, or subjected to additional writing, revision, cutting on the display screen. Thus, it is possible to restrict the visual output or revision of secret portions of images and therefore possible to individually control images which need to be kept secret and those which need not.

REFERENCES:
patent: 4621321 (1986-11-01), Boebert et al.
patent: 4713753 (1987-12-01), Boebert et al.
Zager and Chase, Using Microsoft WORD 2nd Edition, Que Corporation, 1987, pp. 36-49.
Zager and Chase, Using Microsoft WORD, 1987, pp. 11-12, 163-165.

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