Protective Shell with Sliding Cursors for Touchscreen Devices
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Solution Overview
Problem
Touchscreen mobile terminals are unsuitable for use in harsh environments due to limited robustness and reliability, leading to sensitivity issues and incompatibility with gloves, which hampers intuitive interaction.
Innovation Solution
A protection device with a housing and cursors that simulate touch screen interactions through data communication, allowing analog input and haptic feedback, effectively replacing the touch screen for robust and intuitive operation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a protective shell is added to protect the touchscreen, then the robustness and protection of the device is improved, but the touchscreen sensitivity deteriorates
Solution Approach 1:
The patent introduces an intermediary system consisting of physical cursors and buttons on the protective shell that communicate with the electronic device through a data communication interface. This intermediary layer translates physical movements and presses into digital signals, allowing the protective shell to maintain touchscreen functionality without relying on direct touch through the shell material.
Solution Approach 2:
The patent replaces the mechanical touch detection system with an electronic data communication system. Instead of relying on physical touch through the protective shell, the system uses cursors and buttons that send digital signals through a data interface, substituting mechanical interaction with electronic communication.
2Reliability
If a protective shell is added to protect the touchscreen, then the robustness and protection of the device is improved, but the touchscreen becomes unusable with gloves
Solution Approach 1:
The physical cursors and buttons on the protective shell serve as an intermediary that can be operated with gloves. These mechanical elements provide tactile feedback and can be manipulated even when wearing protective gloves, maintaining versatility in harsh environments while the protective shell provides robustness.
3Reliability
If external buttons connected by wireless link are used, then the robust operation is improved, but the interaction capability is limited to binary inputs
Solution Approach 1:
The patent segments the control interface into multiple independent cursors (first cursor, second cursor) that can move along different axes, rather than using a single binary button. This segmentation allows for analog position detection in multiple dimensions, providing rich interaction capability while maintaining robust mechanical operation.
Solution Approach 2:
The patent implements dynamic cursor positions that can move continuously along axes rather than fixed binary states. The cursors can be positioned at various locations and the system detects their positions to provide analog control, enabling dynamic and nuanced interaction beyond simple on/off inputs.
Data Source
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AI summary
The present invention concerns a protection device (1) for a piece of electronic equipment (2) comprising a housing (20) having a female port (21), the device comprising: - A shell (10) suitable for receiving the housing (20) of the equipment (2), having a male port (11) matching the female port (21), such that when the shell (10) receives the housing (20), the male port (11) is engaged in the female port (21) of the equipment (2), - At least one slider (12, 13) that can be moved along an axis by a user to a setpoint position; - A position sensor sensing the position of said cursor (12, 13), configured to transmit a signal representative of said setpoint position to said male port (11).