Computer graphics processing and selective visual display system – Computer graphics processing – Graph generating
Reexamination Certificate
2011-02-15
2011-02-15
Johnson, M Good (Department: 2628)
Computer graphics processing and selective visual display system
Computer graphics processing
Graph generating
C345S440100, C702S066000, C702S067000, C702S068000
Reexamination Certificate
active
07889198
ABSTRACT:
A rectangle marker on a display of a signal analyzer simultaneously designates time and frequency intervals of data from a signal under test for analysis. The data of the signal under test is displayed as a graph having time and frequency axes. Sub-graphs show data designated by the rectangle marker as processed in the time domain, frequency domain and modulation domain. The resulting display provides an overview of the signal under test and simultaneously provides displays of measurements and analyzes for a designated portion of the data.
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Good Johnson M
Gray Francis I.
Nelson Michael A.
Tektronix Inc.
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