Multi-touch Display Gesture Recognition for Interface Complexity
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Solution Overview
Problem
Conventional user interfaces for portable devices are complex, requiring users to memorize key sequences and menu hierarchies to access and manipulate data, leading to cumbersome interactions.
Innovation Solution
Implementing a multi-touch-sensitive display that detects user contacts and motions to perform operations on graphical objects, allowing intuitive interaction without the need for complex sequences or hierarchies, using processors to determine and execute operations based on detected inputs.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If conventional pushbuttons and menu systems are used to access device features, then device functionality is provided, but user interface complexity increases and ease of operation deteriorates
Solution Approach 1:
The patent replaces physical pushbuttons and mechanical menu navigation with a touch-sensitive display that detects finger contacts and motions. This substitution eliminates the need for complex key sequences and menu hierarchies, allowing users to directly manipulate graphical objects through intuitive touch gestures, thereby improving ease of operation while reducing interface complexity
Solution Approach 2:
The patent creates a visual copy of the device's functionality through graphical objects displayed on the touch screen. Users interact with these graphical representations (icons, buttons, sliders) that mirror real device functions, enabling direct manipulation without memorizing abstract menu structures or key sequences, thus simplifying the user interface
2Adaptability or versatility
If more pushbuttons are added to provide additional functions, then device functionality increases, but device complexity and ease of operation worsen
Solution Approach 1:
The touch-sensitive display serves multiple functions: it displays graphical objects, detects single and multi-finger contacts, recognizes various motion patterns (tap, swipe, pinch, rotate), and provides visual feedback. This single universal interface replaces numerous specialized pushbuttons while maintaining or expanding device functionality, thereby reducing interface complexity
Solution Approach 2:
The patent implements a dynamic interface where graphical objects and their behaviors can change based on context, user interactions, and detected gestures. The same touch display can present different layouts, objects, and interaction modes depending on the application state, providing versatility without requiring physical buttons for each function
3Ease of operation
If complex menu hierarchies are used to organize device features, then functionality is provided, but ease of operation and user understanding deteriorate
Solution Approach 1:
The patent segments device functionality into distinct graphical objects (icons, buttons, sliders) that are visually separated and organized on the touch display. Each graphical object represents a specific function or data element, allowing users to directly access and manipulate individual items without navigating through hierarchical menus, thereby improving ease of operation and maintaining clear user understanding
Solution Approach 2:
The patent transitions from one-dimensional linear menu structures to a two-dimensional graphical interface on the touch display. Functions and data are arranged spatially across the screen, allowing users to access any element directly through touch without sequential navigation, eliminating the need to memorize menu hierarchies while preserving comprehensive device functionality
Data Source
AI summary
A portable communication device with multi-touch input detects one or more multi-touch contacts and motions and performs one or more operations on an object based on the one or more multi-touch contacts and/or motions. The object has a resolution that is less than a pre-determined threshold when the operation is performed on the object, and the object has a resolution that is greater than the pre-determined threshold at other times.