Waveform Marker Positioning with Dynamic Speed Adjustment
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Solution Overview
Problem
Existing measuring apparatuses face difficulties in smoothly adjusting the position of a waveform marker due to the need to change moving speeds manually, leading to challenges in precise positioning and distinguishing between multiple peak points.
Innovation Solution
A configuration that allows for continuous switching between rough and fine adjustments of the waveform marker by varying its movement speed based on the operator's input, using an index system to specify movement variations, enabling easy separation of peak points by adjusting the display range and zone marker width.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If the moving speed of the waveform marker is changed by key input section, then the waveform marker can be positioned more precisely, but the operation becomes more complex and less smooth
Solution Approach 1:
The patent applies dynamics by making the moving speed of the waveform marker variable rather than fixed. The control section dynamically adjusts the moving speed based on the marker's position: when the marker is far from the target point, a higher speed is used for rapid approach; when near the target point, the speed automatically decreases for precise positioning. This dynamic speed adjustment eliminates the need for manual key input to change speeds, maintaining operational smoothness while achieving precise positioning.
Solution Approach 2:
The system implements feedback by continuously monitoring the position of the waveform marker relative to the target point and automatically adjusting the moving speed accordingly. The control section receives feedback about the marker's current position and uses this information to modulate the speed of movement, creating a self-regulating system that balances speed and precision without requiring operator intervention.
2Adaptability or versatility
If multiple peak points are present in a zone, then the marker may be displayed at an incorrect peak point, but increasing the zone width improves the search range
Solution Approach 1:
The patent applies segmentation by dividing the search process into multiple stages with different zone widths. Instead of using a single fixed zone width, the system segments the search into an initial broad search phase with a larger zone width to locate potential peak regions, followed by a refinement phase with a smaller zone width to precisely identify the correct peak point. This segmented approach maintains both broad search capability and precise identification accuracy.
Data Source
AI summary
There is provided a technique for smoothly performing position (movement) adjustment of a waveform marker by making switching between rough adjustment and fine adjustment in a series of marker operations possible with a single means and continuously. A display control section displays a measured waveform on the two-dimensional coordinates, which have a first axis and a second axis perpendicular to the first axis, on the display section. A waveform marker is movable by a marker operation corresponding to a direction parallel to the first axis. The display control section has a detecting section, which detects the marker operation corresponding to a direction parallel to the second axis, and changes either setting of the waveform marker or the display range of the measured waveform according to the detection result of the detecting section.