Work Machine Display Layout for Clear Turn Indicator Status
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Solution Overview
Problem
Operators of work machines have difficulty grasping the lighting state of direction indicators on existing display devices, as this information is not adequately displayed.
Innovation Solution
A control method and program for work machines that displays a pair of objects representing the lighting state of left and right direction indicators on the display screen, positioned at the edges of the display area with a non-display area in between, enhancing visibility and recognition.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Area of stationary object
If the display area is made smaller or more constrained, then the device can be more compact or integrated, but the visibility and recognition of direction indicator lighting state deteriorates
Solution Approach 1:
The patent positions display objects in the lateral dimension at extreme edges of the display area, utilizing the horizontal space effectively. By placing objects at the far left and right edges, the solution maximizes the use of available display width, ensuring visibility even when the overall display area is constrained. This dimensional positioning strategy allows compact display design while maintaining recognition of direction indicator status.
Solution Approach 2:
The patent applies distinct visual characteristics to different regions of the display by positioning objects at opposite edges. Each edge region serves a specific function (left edge for one direction indicator, right edge for the other), creating localized information zones. This local quality approach ensures that each direction indicator's lighting state is clearly distinguishable from the other, maintaining detection quality even in limited display space.
2Device complexity
If multiple objects are displayed in the center of the screen, then information is consolidated, but the recognition of direction indicator lighting state becomes difficult
Solution Approach 1:
The patent segments the display area into distinct lateral zones by positioning objects at extreme left and right edges. This segmentation separates the visual information for different direction indicators, preventing confusion that would arise from centralized placement. Each object occupies its own spatial zone, making it easier for operators to distinguish between left and right direction indicator states without information overload in the center.
Solution Approach 2:
The patent employs asymmetric positioning of display objects at opposite edges of the display area rather than symmetric central placement. This asymmetric distribution creates clear visual separation between direction indicator representations, enhancing the operator's ability to quickly identify which direction indicator is active. The asymmetric edge positioning prevents the visual confusion that would result from symmetric central clustering.
Data Source
AI summary
A control method of work machine includes causing a display screen Dp1 to be displayed on a display portion of a display device for a work machine including a pair of left and right direction indicators, causing a first object Ob1 corresponding to a lighting state of a direction indicator on a right side of the work machine to be displayed on the display screen Dp1, and causing a second object Ob2 corresponding to a lighting state of a direction indicator on a left side of the work machine to be displayed on the display screen Dp1. The first object Ob1 is disposed at a position opposed to a right side edge of a display area of the display portion on the display screen Dp1 with a non-display area therebetween. The second object Ob2 is disposed at a position opposed to a left side edge of a display area of the display portion on the display screen Dp1 with the non-display area therebetween.


