Mobile Terminal Touch Interface Playback Speed Control
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Solution Overview
Problem
Current touch interfaces on mobile devices lack the ability to provide diverse and intuitive user manipulations, limiting user experience and convenience in controlling applications and multimedia content.
Innovation Solution
A mobile terminal with a sensing unit that recognizes various touch operations such as dragging, pressure application, and multi-touch, allowing the control unit to adjust playback speed or application responses based on the strength and type of touch inputs, enabling more intuitive and versatile user interactions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a traditional touch interface is used, then the device structure remains simple, but the user manipulation diversity and intuitiveness are limited
Solution Approach 1:
The patent implements dynamic touch interface responses by detecting the temporal sequence and characteristics of multiple touch operations. The system dynamically adjusts its behavior based on whether a second touch occurs before or after a first touch operation completes, enabling versatile user manipulations such as speed adjustment during video playback without requiring complex hardware modifications
Solution Approach 2:
The touch interface is designed to perform multiple functions through a single unified interaction mechanism. The same touch screen and sensing unit handle both basic navigation and advanced control operations like speed adjustment, making the interface versatile while maintaining relatively simple device structure
2Ease of operation
If multiple touch operations are recognized, then user control convenience is improved, but the sensing and processing complexity increases
Solution Approach 1:
The system performs preliminary recognition of the first touch operation and establishes its temporal reference point before processing the second touch operation. This preliminary action enables the sensing unit to efficiently determine the sequence relationship between touches and trigger appropriate responses like speed adjustment, improving user control convenience while managing sensing complexity through structured processing
Solution Approach 2:
The touch interface system automatically recognizes and processes multiple touch operations without requiring additional hardware assistance. The sensing unit itself performs the complex task of distinguishing between different touch sequences and triggering appropriate application-level responses, such as adjusting video playback speed based on touch timing, thereby improving ease of operation while keeping the sensing unit design relatively self-contained
3Ease of operation
If touch pressure strength is used to control playback speed, then user interaction intuitiveness is improved, but the precision of speed control may be compromised
Solution Approach 1:
The system dynamically adjusts playback speed based on the temporal dynamics of touch operations rather than static pressure measurements. By detecting whether a second touch occurs before or after a first touch completes, the system creates dynamic speed control levels that are intuitive for users while maintaining acceptable precision through temporal sequencing rather than pressure magnitude
Solution Approach 2:
The patent changes the control parameter from touch pressure magnitude to touch temporal sequence. This parameter change allows the system to achieve intuitive speed control through natural touch timing patterns while avoiding the precision issues associated with pressure sensing, as temporal sequencing provides discrete, well-defined control states
Data Source
AI summary
A mobile terminal including a wireless communication unit configured to provide wireless communication; a touch screen; and a controller configured to display a video screen on the touch screen; in response to a touch and drag on the touch screen with a first finger and without an additional touch pressure applied with the first finger at an end of the touch and drag, display another video screen on the touch screen; in response to the touch and drag on the touch screen with the first finger and with the additional touch pressure applied with the first finger at the end of the touch and drag, control a playback speed of a video on the video screen to correspond to a strength of the additional touch pressure applied with the first finger; and in response to the touch and drag on the touch screen with the first finger and with the additional touch pressure applied with a second finger at the end of the touch and drag with the first finger, control the playback speed of the video on the video screen to correspond to a strength of the additional touch pressure applied with the second finger.