Multi-directional Activation Button for Protected Handheld Controls
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Solution Overview
Problem
Handheld electronic devices with protective cases lack effective multi-directional control access, limiting user interaction with multi-directional control devices like dial wheels and slide switches.
Innovation Solution
A multi-directional activation button with directional surfaces and a flexible membrane extension that simulates finger motions to engage and operate multi-directional control devices through a protective case, allowing movement in various directions to activate controls such as dial wheels and slide switches.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a protective case is used for the electronic device, then device protection is improved, but control device accessibility deteriorates
Solution Approach 1:
The patent introduces an intermediary mechanism (the button assembly with extendable activation extension) that mediates between the protective case and the control device. This intermediary allows indirect actuation of the control device through the case membrane, enabling operation while maintaining protection.
Solution Approach 2:
The button assembly is segmented into multiple functional components: a stationary button body, an extendable activation extension, and a membrane interface. This segmentation allows each component to perform its specific function - the membrane provides protection while the extension provides control access.
2Reliability
If through-case controls are made unavailable, then device protection is maintained, but user interaction capability deteriorates
Solution Approach 1:
The patent adds a temporal dimension to the interaction by implementing a sequential activation process. The button must be pressed and held for a specific duration to trigger different functions, adding time as a controlling dimension beyond spatial positioning.
Solution Approach 2:
The activation extension dynamically changes its state from retracted to extended based on the duration and force of button pressure. This dynamic response enables multiple interaction modes (single press, long press, directional presses) from a single physical interface.
3Adaptability or versatility
If multi-directional control devices are added to handheld devices, then navigation capability is improved, but device complexity deteriorates
Solution Approach 1:
The button assembly serves multiple functions: it acts as a protective interface, a directional control mechanism, and a trigger for various device functions. This multi-functionality consolidates what would otherwise require separate controls into a single universal interface.
Solution Approach 2:
The patent merges the protective case membrane with the control interface by integrating the button assembly directly into the case structure. This combining of protection and control functions reduces overall device complexity compared to having separate protective casing and control mechanisms.
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
Enables seamless operation of multi-directional control devices within protective cases, enhancing user interface capabilities and maintaining device protection.
Implementation Method 1
a membrane that is connected to the interactive extension that holds the interactive extension in a recessed position, and that has a sufficient length to allow the activation extension to move inwardly towards the electronic device
Data Source
AI summary
Disclosed is a multi-directional activation button disposed on a protective case for activating a multi-directional control device on an electronic device. The multi-directional activation button has a flexible membrane with a top side divided into directional surfaces that are aligned with a plurality of directions of operation of said multi-directional activation button. A membrane supports an extension that engages the multi-directional control device. The membrane has a length from a pivot point that controls the direction and the amount of movement of an activation extension wherein movement from the pivot point simulates an extension of a user's finger depending upon which directional surface of the rubber membrane is depressed by the user's finger. The multi-directional activation button may be utilized for push button activation, toggle slide operations, dial wheel, or joy stick like operations.