Folding User Interface With Segmented Physical Modules
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Solution Overview
Problem
Portable and handheld electronic devices often have cluttered and confusing user interfaces due to the need to incorporate multiple functions, with touch screens providing poor tactile feedback and limited responsiveness, making it difficult for users to intuitively access different features.
Innovation Solution
A double-hinged case design that allows users to fold the device to reveal one interface while hiding the others, with separate modules and a latching mechanism to maintain a flush profile and enable intuitive access to multiple physical interfaces, including a thumb keyboard, multifunction scroll wheel, and telephone controls.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If multiple separate physical interfaces are included on the device surface, then the quality of user experience and tactile feedback are improved, but the device size and surface area required increase
Solution Approach 1:
The device is divided into multiple separate physical interfaces, each dedicated to specific functions (QWERTY keyboard for email, scroll-wheel for music, directional-pad for games). This segmentation allows each interface to be optimized for its specific task while providing tactile feedback, resolving the contradiction by organizing multiple interfaces into distinct functional modules rather than attempting to integrate them into a single surface area.
Solution Approach 2:
The patent transitions from a two-dimensional touch screen interface to a three-dimensional structure with multiple physical interfaces at different levels and orientations. The scroll-wheel protrudes from the surface, the directional-pad is positioned at an angle, and the QWERTY keyboard occupies a separate plane. This dimensional change allows multiple interfaces to coexist without competing for the same surface area, improving tactile feedback while managing device footprint.
2Adaptability or versatility
If a touch screen is used for user interface, then the device can display multiple virtual interfaces, but tactile feedback is lost and user experience quality deteriorates
Solution Approach 1:
Instead of using a single touch screen to display multiple virtual interfaces, the patent segments the interface into multiple physical interfaces, each dedicated to a specific function. The QWERTY keyboard is separate from the scroll-wheel, which is separate from the directional-pad. This segmentation provides tactile feedback for each interface type while maintaining versatility through the combination of different physical interface types.
Solution Approach 2:
The patent introduces physical intermediaries (actual keyboards, wheels, and pads) between the user and the device functions, replacing the direct visual interaction required by touch screens. These physical intermediaries provide tactile feedback and improve ease of operation while the device software maintains adaptability by routing different functions to the appropriate physical interface based on the active application.
3Adaptability or versatility
If all different interface types are included on the device, then functional versatility is improved, but the interface becomes cluttered and confusing
Solution Approach 1:
Each physical interface is optimized for its specific local function: the QWERTY keyboard is designed for text input, the scroll-wheel for media control, and the directional-pad for game navigation. This local quality optimization allows each interface to be simple and intuitive for its designated task, while the overall device maintains high functional versatility through the combination of these specialized interfaces. The system manages complexity by matching interface type to function rather than providing all interface types for all functions.
Data Source
AI summary
An electronic device interface provides three different physical user interfaces. Users may fold or unfold the device to reveal one interface and hide the other two. A first module includes a first portion of a first interface. A second module includes a first portion of a second interface. A third module includes a second portions of the first and second interfaces. The second and third modules are folded together to hide the second interface and expose the first interface. The first and third modules are folded together to hide the first interface and expose the second interface. The third interface is exposed when the first and third modules and the second and third modules are folded together, hiding the first and second interfaces. The first modules can include a concave portion matching a convex portion of the third module to maintain a flush profile for the first and second interfaces.