Method and system for displaying digital data with zoom capabili

Details Method and system for displaying digital data with zoom capabili Method and system for displaying digital data with zoom capabili

1994-06-30

1998-05-26

Brier, Jeffery

Computer graphics processing and selective visual display system

Display peripheral interface input device

Light pen for fluid matrix display panel

324121R, G09G 500

Patent

active

057573573

ABSTRACT:
A system and method for process instrumentation and control equipment. The system including a paperless, microprocessor-based, panelboard recorder having built-in data acquisition functions, a mechanism for archiving data, and a variety of display types. Memory space is conserved by deriving quantized data comprising signal samples received at a first rate and storing them for a first relatively short period in a fine quantized memory, and storing in a coarse memory, for a longer period of time, a subset of said signal samples recurring at a rate lower than the first set and having fewer quantized levels than the first set of samples. The operator can then determine whether coarse data obtained over a relatively long period or fine data obtained over a shorter period are displayed.

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patent: 5179639 (1993-01-01), Taaffe
patent: 5261031 (1993-11-01), Saito
patent: 5280422 (1994-01-01), Moe et al.
patent: 5311451 (1994-05-01), Barrett

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