Sliding Cover Magnetic Positioning for Smooth Mobile Phone Operation
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Solution Overview
Problem
Conventional slidable mobile phones experience a rough operation feel due to repelling forces between magnetic elements, making it difficult to smoothly transition the sliding cover, and existing pointing devices often interfere with call functions, leading to inconvenient operation and abandonment of directional press detection as an input method.
Innovation Solution
Incorporating a positioning device with magnetic elements on the main body and sliding cover that attract each other to stabilize the relative positions, allowing for a smoother sliding action and preventing call interruptions when using a pointing device that detects pressed direction.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If repelling magnetic elements are used to provide positioning force, then the positioning function is achieved, but the sliding operation feel becomes rough and difficult
Solution Approach 1:
The patent converts the harmful repelling force between magnetic elements into a beneficial attracting force. By inverting the magnetic polarity arrangement, the magnetic elements that originally repelled each other now attract, providing the same positioning function while eliminating the rough sliding sensation. This allows the sliding cover to move smoothly while still achieving stable positioning at desired positions.
2Adaptability or versatility
If a pointing device detecting pressed direction is added, then the browsing and control function is improved, but the call function is interrupted when the sliding cover moves
Solution Approach 1:
The patent introduces magnetic attracting force as an intermediary mechanism to decouple the pointing device operation from the sliding cover movement. The magnetic force stabilizes the sliding cover position, preventing it from moving unintentionally when the user presses the pointing device. This intermediary magnetic interaction allows the pointing device to function reliably during calls without triggering unwanted sliding cover movement that would interrupt the call.
3Device complexity
If conventional keys providing only downward press function are used, then the structure is simple, but the browsing and rapid operation capability is insufficient
Solution Approach 1:
The patent enhances the conventional key structure by adding directional press detection capability to the existing downward press function. The keys are modified to detect not only vertical pressing but also diagonal pressing directions, enabling browsing functions while maintaining the original simple key layout. This multi-functional enhancement allows users to perform both calling operations and browsing operations using the same key structure without increasing overall device complexity.
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
The magnetic attraction enhances the smoothness of the sliding mechanism, improving the operation feel and allowing for uninterrupted use of directional press detection pointing devices during calls.
Implementation Method 1
the magnetic elements are provided on the main body and the sliding cover, respectively. When the first combining component and the second combining component relatively slide to move the sliding cover to an opening position, the magnetic elements are corresponding and attracted each other to retain relative positions of the first combining component and the second combining component stably and stationarily.
Data Source
AI summary
A slidable mobile phone includes a main body, a sliding cover and a positioning device. The main body includes a first combining component and an upper casing. The sliding cover includes a second combining component and a lower casing. A first sliding part is provided on the first combining component, and a second sliding part and a pointing device by detecting the pressed direction are provided on the second combining component. The second sliding part is connected to and relatively slides along the first sliding part, and the pointing device by detecting the pressed direction is used for controlling the slidable mobile phone. The positioning device includes two magnetic elements which are provided on the first combining component and the second combining component, respectively.