Data-handling and display system capable of supporting multiple application programs and output devices
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United States of America Patent
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-
May 18, 1993
Grant Date -
N/A
app pub date -
Dec 6, 1989
filing date -
Dec 6, 1989
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An interface system that facilitates user interaction with a plurality of document-management programs, each of which may require different data formats, and convenient output of data generated by such programs to recording or display devices. The invention includes a 'front end', which accepts user commands and channels them to a designated application program; and a 'back end', which converts output data into a form compatible with a selected output device or display, and which can simultaneously drive display of data from a plurality of application programs. The system operates using a common set of raster-image instructions; output and display data from an application program are converted into this common set of instructions before being provided to a selected output or display device. The system can store multiple display lists in segregated memory partitions, and then combine the lists according to a user-defined 'mapping' procedure to produce a single, integrated display.
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Cited Art Landscape
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