Dynamic Scroll Amount Control for Image Display Apparatus
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Solution Overview
Problem
Existing image display apparatuses lack improved operability in scroll operations, as the scroll indicator amount remains constant regardless of the image displayed, limiting user efficiency in scrolling through large images.
Innovation Solution
An image display apparatus that acquires a scroll-amount indicator value based on previous scroll operations and adjusts the scroll amount dynamically according to the direction and speed of the current scroll operation, increasing the scroll amount when the image has reached the scroll end to enhance user experience.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the scroll indicator amount is kept constant for all scroll operations, then the operation logic is simple and consistent, but the operability is reduced because the same scroll operation produces the same scroll amount regardless of the display context
Solution Approach 1:
The patent applies dynamics by making the scroll indicator amount variable rather than fixed. The scroll amount dynamically changes based on the scrolling direction (horizontal or vertical) and the aspect ratio of the displayed image, allowing the system to adapt to different display contexts and improve operability without requiring complex manual configuration
Solution Approach 2:
The patent changes the parameters that determine scroll amount from a simple fixed value to a calculated value based on multiple factors including scrolling direction and image aspect ratio. This parameter transformation enables the system to provide context-appropriate scroll amounts automatically, resolving the contradiction between simplicity and operability
2Productivity
If the scroll amount is increased when the image has been fully scrolled, then the navigation efficiency is improved, but the initial scroll speed appears reduced requiring larger scroll amounts later
Solution Approach 1:
The patent implements periodic action by changing the scroll indicator amount based on the scrolling phase. When scrolling reaches the end in a particular direction, the system periodically increases the scroll amount for subsequent operations in the opposite direction, creating an efficient navigation rhythm that alternates between careful initial scrolling and faster subsequent scrolling
Data Source
AI summary
An image display apparatus includes: a display device for displaying an image; an operation receiving device for receiving a scroll operation for scrolling the image displayed on the display device in a specific direction; a processor; and a memory for storing instructions. When executed, the instructions cause the processor to: acquire a scroll-amount indicator value, that indicates an amount by which the image being displayed on the display device is to be scrolled by the current scroll operation, based on a current scroll operation received by the operation receiving device and on a display of the image on the display device by at least one previous scroll operation which is received by the operation receiving device in advance of the current scroll operation; and control the display device to display the image scrolled according to the acquired scroll-amount indicator value.