Dynamic Input Area Adjustment for Touch Panel Selection Accuracy
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Solution Overview
Problem
Conventional display technologies face challenges in improving operability for operators selecting instruction acceptance images from a multitude of options, particularly when the operator quickly changes the coordinate position, requiring additional memory and special mechanisms to effectively highlight and accept instructions.
Innovation Solution
A display device with a speed detector that enlarges the input area for instruction acceptance images based on the speed of coordinate position change, allowing operators to accurately input instructions without additional memory or mechanisms by dynamically adjusting the input area and display patterns according to the detected speed.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If the operator quickly changes the coordinate position to select instruction acceptance images, then the selection speed is improved, but the accuracy of instruction input is worsened
Solution Approach 1:
The patent applies dynamics by making the input area size variable rather than fixed. The input area dynamically adjusts its size based on the detected speed of coordinate position changes - when movement is fast, the input area enlarges to maintain accuracy; when movement is slow, the input area remains small for precision. This dynamic adaptation resolves the contradiction between selection speed and input accuracy.
Solution Approach 2:
The patent changes the parameter of input area size according to the speed parameter of coordinate position changes. By detecting the speed at which the operator moves the coordinate position and adjusting the input area size accordingly, the system maintains both fast selection and accurate input. The input area expands when speed increases and contracts when speed decreases, resolving the trade-off between productivity and precision.
2Measurement precision
If the input area is enlarged to improve accuracy of instruction input, then the accuracy is improved, but the device complexity is worsened
Solution Approach 1:
The system performs self-service by automatically detecting the speed of coordinate position changes and autonomously adjusting the input area size without requiring additional manual controls or complex mechanisms. The speed detector and input area controller work together to automatically adapt the input area, eliminating the need for extra memory or special mechanisms, thus improving accuracy while keeping device complexity low.
Solution Approach 2:
The display section serves multiple functions: it displays instruction acceptance images, detects coordinate position changes, determines speed of change, and controls input area size. By making the display section multi-functional, the patent avoids adding separate dedicated components for speed detection and input area control, thereby improving accuracy without significantly increasing device complexity.
3Reliability
If additional memory and special mechanisms are added to highlight and accept instructions during rapid coordinate changes, then the reliability is improved, but the device complexity is worsened
Solution Approach 1:
The system uses self-service by leveraging the existing display section and coordinate position detection capabilities to automatically adjust the input area size based on detected speed. No additional memory or special mechanisms are required - the system reuses existing components to achieve reliable instruction acceptance during rapid coordinate changes, thus improving reliability without increasing device complexity.
Solution Approach 2:
The patent applies dynamics by making the input area size variable rather than fixed. The input area dynamically adjusts its size based on the detected speed of coordinate position changes - when movement is fast, the input area enlarges to maintain accuracy; when movement is slow, the input area remains small for precision. This dynamic adaptation resolves the contradiction between selection speed and input accuracy.
Data Source
AI summary
When a display position for any of a plurality of images is designated using a touch panel, an instruction accepting section enlarges, for a predetermined period of time, an area for accepting the input of an instruction associated with any of the image of the plurality of images that is displayed in the designated display position, in accordance with speed of change that is detected by a speed detector at the time of the designation.