Tablet User Interface Hand Proximity Switching
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Solution Overview
Problem
Existing tablet devices face challenges in maintaining continuity of input operation when users need to manipulate menus during pen-based or touch-based input, leading to decreased work efficiency due to the need to alternate hands for input and interface management.
Innovation Solution
A tablet with proximity sensors and a controller that automatically switches the user interface placement based on hand proximity, allowing users to input with one hand while managing the interface with the other, enhancing continuity and efficiency by displaying the interface on the opposite side of the display area depending on the active hand.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the user manipulates the menu during writing or drawing through pen-based input, then the user can access interface functions, but the continuity of writing or drawing work is interrupted and work efficiency deteriorates
Solution Approach 1:
The display area is segmented into multiple regions: a first display region for pen-based input content and a second display region for menu manipulation. This spatial segmentation allows the user to simultaneously access interface functions in one region while maintaining input work in another region, eliminating the need to switch hands or interrupt the input flow.
Solution Approach 2:
The solution transitions from a single-dimensional interaction model (where menu access requires hand switching) to a two-dimensional interaction model. By arranging the display in multiple regions across the screen space, the user can perform menu manipulation and pen input simultaneously in different spatial zones, adding a spatial dimension to the interaction paradigm.
2Ease of operation
If the user switches hands to manipulate the menu, then the interface can be controlled, but the continuity of input operation is broken
Solution Approach 1:
The display is divided into distinct functional regions: a first region dedicated to pen-based input and a second region for menu interaction. This segmentation enables the user to maintain pen input in one region while using the other hand to manipulate menus in the second region, preserving input continuity without hand switching.
Solution Approach 2:
The multi-region display arrangement acts as an intermediary that facilitates simultaneous hand usage. By providing separate spatial zones for different input modalities, the system mediates between the need for menu control and input continuity, allowing both hands to work independently without conflict.
3Area of stationary object
If the display area is fully utilized for writing or drawing, then the input space is maximized, but no space remains for menu manipulation
Solution Approach 1:
The display area is segmented into multiple functional regions including a first display region for pen-based input and a second display region for menu manipulation. This segmentation allows the system to provide both extensive writing space and accessible menu interfaces simultaneously, resolving the conflict between maximizing input area and maintaining menu accessibility.
Solution Approach 2:
By utilizing the two-dimensional display space more efficiently through regional division, the system accommodates both large-area input needs and menu interaction requirements. The spatial arrangement allows menu elements to be positioned in specific regions without significantly reducing the overall writing area, as both functions occupy different zones of the same display plane.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
This solution ensures continuous input operation and improved work efficiency by allowing users to manage the user interface without interrupting their primary input task, regardless of whether they are using their left or right hand for input.
Implementation Method 1
at least two proximity sensors for sensing approach of the right hand and the left hand are provided to the bezel
Data Source
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AI summary
A tablet may include a display to display information and to receive information, and a controller to control the display to display a user interface on the left of a display area of the display in a right-hand user mode in which the information is input using a right hand and to control the display to display the user interface on the right of the display area in a left-hand user mode in which the information is input using a left hand.