Computer graphics processing and selective visual display system – Display driving control circuitry – Controlling the condition of display elements
Patent
1996-04-18
1998-06-09
Bayerl, Raymond J.
Computer graphics processing and selective visual display system
Display driving control circuitry
Controlling the condition of display elements
707908, G06F 1500, G06F 314
Patent
active
057642273
ABSTRACT:
A document display apparatus of the invention displays a document containing a plurality of pages in such a manner that one page lies on top of another, allowing easy and intuitive identification of the first page of the document. When a page turning command is entered through an input device, a designator specifies a page which should become the first page of the document based on page layering sequence information stored in a page data table memory and a page location calculator calculates new display locations of the individual pages so that pages to be shown behind a current page (or the page in the topmost layer) are successively displaced from the current page by an amount determined by preset page offset values (.DELTA.X, .DELTA.Y) except for the first page of which amount of displacement is increased by an additional page offset value (+.alpha.) in both the horizontal and vertical directions. An updating device updates information stored in the page data table memory in accordance with the newly calculated display locations and a display processor produces on-screen images of the individual pages based on the information stored in the page data table memory.
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Bayerl Raymond J.
Fuji 'Xerox Co., Ltd.
Vail Seth D.
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