Segmented Touch Interface for Handheld Usability
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Solution Overview
Problem
There is a need for a user-friendly interface on small handheld computer units that can efficiently manage a large amount of information, provide simple text input, and offer easy access to navigation and management functions, especially for inexperienced users.
Innovation Solution
A touch-sensitive interface divided into a menu area and a display area, where the menu area presents predefined functions for application management, keyboard access, and task/file management, allowing activation through gestures and providing intuitive navigation and text input options within a small, 2-3 inch touch-sensitive area.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Weight of moving object
If the handheld computer unit is made small to be portable, then portability is improved, but the user interface becomes harder to use and less friendly
Solution Approach 1:
The touch-sensitive area is segmented into a menu area (first region) and a display area (second region). The menu area contains representations of predefined functions that can be activated through gestures. This segmentation allows the interface to provide comprehensive functionality in a compact form factor, maintaining ease of operation despite the small size of the handheld device.
2Quantity of substance
If more information is displayed on the screen to manage large amounts of data, then information management capability is improved, but the interface complexity increases
Solution Approach 1:
The interface is divided into distinct functional regions: a menu area for accessing predefined functions and a display area for showing information. This segmentation organizes the interface in a intuitive manner, allowing users to manage large amounts of information without being overwhelmed by complexity, as each region serves a specific purpose.
Solution Approach 2:
The menu area provides universal access to multiple predefined functions (application management, keyboard access, task/file management) through a consistent gesture-based interface. This multi-functionality allows the system to handle diverse information management tasks without requiring separate complex interfaces for each function.
3Adaptability or versatility
If traditional navigation methods are used on a small device, then compatibility with existing systems is improved, but accessibility and ease of use deteriorate
Solution Approach 1:
The interface uses dynamic gesture-based activation of functions. Users can activate predefined functions by performing gestures with their finger or other object on the menu area, where the activation occurs when the movement starts within the function representation and moves toward the display area. This dynamic interaction method improves accessibility and ease of use compared to static traditional navigation methods on small devices.
4Area of moving object
If the touch-sensitive area is made very small to fit in a handheld device, then device compactness is improved, but the precision of touch input decreases
Solution Approach 1:
The touch-sensitive area is segmented into a menu area and a display area, with the menu area containing distinct representations of predefined functions. This segmentation allows users to accurately target specific functions even on a small device, as each function has a dedicated representation area, thereby maintaining touch input precision despite the compact size.
Data Source
AI summary
The present invention relates to a user interface for a mobile handheld computer unit, which computer unit comprises a touch sensitive area (1), which is divided into a menu area (2) and a display area (3). The computer unit is adapted to run several applications simultaneously and to present an active application on top of any other application on the display area (3). The menu area (2) is adapted to present a representation of a first (21), a second (22) and a third predefined (23) function. The first function (21) is a general application dependent function, the second function (22) is a keyboard function, and the third function (23) is a task and file manager. Any one of these three functions can be activated when the touch sensitive area (1) detects a movement of an object with its starting point within the representation of the function on the menu area (2) and with a direction from the menu area (2) to the display area (3).