Computer graphics processing and selective visual display system – Computer graphic processing system
Patent
1995-12-27
1999-12-28
Chauhan, Ulka J.
Computer graphics processing and selective visual display system
Computer graphic processing system
345509, 707500, 707514, G06F 1500
Patent
active
060088192
ABSTRACT:
An information retrieval device displays portions of a dynamically modifiable document requested by a user. The information retrieval device has a controller connected to a display screen, input selector switches, such as buttons, and memory, such as non-volatile flash memory. One or more documents, such as a newspaper or magazine, is stored in the memory. A receiver, such as a pager, modem, or FM radio receiver, is connected to and dynamically updates the memory. When the device is turned on, a first portion of a document is displayed on a display screen. When the user wants to see a different portion of the document, or a different document altogether, she presses one of the buttons. Upon detection that a button was enabled, an action is performed that changes the display on the display screen. The action performed can vary in complexity: it may simply cause the next page of the document to be displayed, or may execute a nested hypertext link to cause related information contained in the same or a different document to update only a portion of the display screen. The document is stored in the memory in a manner that allows the display screen to be refreshed directly from the memory. When an updated portion of a document is received by the receiver, that portion of memorv is updated.
REFERENCES:
patent: 5010499 (1991-04-01), Yee
patent: 5367621 (1994-11-01), Cohen et al.
patent: 5491785 (1996-02-01), Robson
patent: 5511160 (1996-04-01), Robson
patent: 5689648 (1997-11-01), Diaz et al.
May Gregory John
Robson Christopher John
Chauhan Ulka J.
Hewlett--Packard Company
Rose Curtis G.
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