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US 2004/0167727 A1Published application
Method of constraints control for oscilloscope timebase subsection and display parameters
AssigneeTektronix, Inc.
InventorJohn J. Pickerd
Life of this patent
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Abstract
An apparatus and method for constraining temporal parameters associated with the acquisition and display of signals under test.
Claims20
Apparatus, comprising:
- a signal acquisition device, for sampling a signal under test (SUT) at a sample rate S to form thereby a stream of acquired samples;
- a memory, for storing sequences of said acquired samples as corresponding sample records, each sample record having associated with it a duration parameter;
- and
- a controller, for generating a display signal suitable for use by a display device and including waveform imagery visually cooperating with temporal segment delineators;
- said controller, in a first mode of operation, adapting a number of temporal segment delineators in response to said duration parameter.
2 more elements
A user interface adapted for use in a signal acquisition device, said signal acquisition device producing a display signal including a waveform layer and a grid layer, comprising:
- a first user manipulable region for enabling user selection of a temporal acquisition parameter to adapt thereby a waveform representing an acquired signal under test (SUT);
- and
- a second user manipulable region for enabling user selection of a temporal display parameter to adapt thereby a temporal portion of a display grid intended to be superimposed over said waveform.
An oscilloscope, comprising:
- signal acquisition circuitry for acquiring a plurality of samples of at least one signal under test (SUT) in response to at least one timebase control signal;
- signal display circuitry for displaying at least a portion of said acquired samples and a corresponding display grid;
- and
- a controller, for modifying said at least one timebase control in response to a first user command, and for modifying said display grid in response to a second user command;
- wherein:
- said display grid modification comprises at least one of modifying a number of temporal grid lines and selecting a time per temporal grid line.
3 more elements
Dependencies are inferred from the claim text.