Soft Key Multi-Window Control for Extended Mobile Displays
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Solution Overview
Problem
Current mobile terminals lack an efficient method to utilize extended screen ratios, particularly in executing a multi-window mode using soft keys for convenient content control.
Innovation Solution
A mobile terminal with a sensing unit and a display unit that outputs soft keys, allowing users to select buttons through touch inputs to execute a multi-window mode, where second content is overlaid or displayed alongside first content, with the controller determining the size and type of content based on input signals, enabling control of previous screens, home screens, and activated content lists.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Area of stationary object
If an extended screen ratio (18:9) is used to provide additional display area, then the area of the display unit increases, but the ease of operation deteriorates due to lack of efficient control methods for utilizing the extra region
Solution Approach 1:
The soft key is designed to perform multiple functions: it can display different buttons (first, second, third buttons) depending on the operational context, serve as a virtual physical key for multi-window mode activation, and adapt its functionality based on the current screen state. This multi-functionality allows the limited soft key region to control various aspects of the extended screen interface efficiently.
Solution Approach 2:
The soft key acts as an intermediary control element between the user and the extended display area. By introducing the soft key with its multiple buttons as a mediator, users can indirectly control the multi-window mode and content display without needing direct access to every part of the extended screen, thus maintaining ease of operation despite the larger display area.
2Adaptability or versatility
If a multi-window mode is executed to output second content on first content, then the functionality increases, but the device complexity increases due to additional control mechanisms
Solution Approach 1:
The soft key's first button is designed with universal functionality: it can activate multi-window mode, control previous screens, and manage content layers depending on the current state. This state-dependent universality allows the system to provide complex multi-window functionality while using a simple, consistent control interface rather than requiring multiple specialized controls for different functions.
Solution Approach 2:
The soft key interface provides self-service by automatically adapting its button functionality based on the current operational state. The system determines which function to assign to each button based on context, eliminating the need for users to manually configure or understand complex control mechanisms. The interface serves itself by dynamically reconfiguring based on state, reducing perceived complexity for the user.
Data Source
AI summary
The present invention relates to a mobile terminal ad a method of controlling therefor. More particularly, the mobile terminal includes a sensing unit, a display unit configured to output a soft key including at least one button, and a controller, the controller configured to sense a first input signal for selecting the soft key in a state that first content is outputted on the display unit, wherein the first input signal corresponds to a touch input signal for dragging a touch from a first point to a second point and wherein the first point corresponds to the button, the controller configured to execute a multi-window mode based on the first input signal, wherein the multi-window mode corresponds to a mode for outputting second content on the first content.