Touch Panel Character Deletion via Self-Service Selection
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Solution Overview
Problem
Conventional touch panel systems require repetitive operation of a dedicated deletion button to delete character strings, and users must manually move their finger to the button to correct erroneous inputs, which is inefficient and cumbersome.
Innovation Solution
An image processing apparatus with a touch panel interface that detects character areas in scanned images and allows users to select and modify input fields directly on the UI screen without the need for a dedicated deletion button, enabling simpler and more efficient deletion of character strings.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a dedicated deletion button is provided in the touch panel, then character deletion function is available, but user operation complexity increases and time consumption increases due to repetitive button operations
Solution Approach 1:
The system automatically detects character areas in scanned images and enables direct deletion of characters through touch operations on the character areas themselves, eliminating the need for manual navigation to a separate deletion button. The character areas serve themselves by being directly deletable through user touch input.
Solution Approach 2:
The deletion function is extracted from a separate dedicated button and integrated directly into the character area interaction. By removing the intermediate step of pressing a deletion button, the system allows direct deletion through touch on the character areas, simplifying the operation flow.
2Ease of operation
If a dedicated deletion button is provided, then deletion function is available, but device complexity increases due to additional UI elements
Solution Approach 1:
The touch panel interface is designed so that character areas serve multiple functions: they can be selected for processing, deleted directly through touch, and interacted with without requiring separate dedicated buttons. This multi-functionality reduces the overall complexity of the UI by eliminating redundant elements.
Solution Approach 2:
The deletion function is merged with the character area selection and interaction mechanisms. By combining the deletion capability into the existing character area touch interface, the system eliminates the need for separate deletion buttons and simplifies the overall UI structure.
3Reliability
If users must manually move finger to deletion button for each deletion, then precise control is maintained, but operation efficiency decreases due to repeated finger movements
Solution Approach 1:
The character areas automatically respond to touch operations for deletion without requiring the user to navigate to a separate deletion button. The system maintains precise control by directly associating touch input with the specific character areas, while significantly improving efficiency by eliminating repeated finger movements to a fixed button location.
Data Source
AI summary
An object is to implement deletion of an already-input character string in a UI screen by a simpler operation without using a dedicated deletion button. An input character string is deleted in a case where a user selects the same character string as the character string used for a touch input.