Shelter Module Sliding Door Tactile Feedback Mechanism
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Solution Overview
Problem
Conventional webcam sliding covers lack tactile feedback and durability while being thin, failing to effectively prevent privacy exposure from remote hacking.
Innovation Solution
A shelter module with a sliding door and limiting slot design that provides tactile feedback through an interfering portion and tactile bumps on the hiding side of the sliding door and bottom side of the limiting slot, allowing for increased length without thickness, enhancing durability and abrasion tolerance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Volume of moving object
If the sliding cover is made thin to meet the trend of thin electronic products, then the thickness is reduced, but the tactile sense of snap-engagement and durability are compromised
Solution Approach 1:
The patent transitions the tactile feedback mechanism from the lateral side to the bottom side of the sliding cover, utilizing the thickness dimension differently. By placing the interfering portion on the bottom surface rather than the lateral surface, the design achieves tactile feedback without requiring a thick lateral profile, thus maintaining thin overall dimensions while ensuring durability through sufficient material thickness at the interaction point.
Solution Approach 2:
The sliding cover employs local quality by having different thickness characteristics in different regions. The interfering portion on the bottom side has sufficient thickness to provide durable tactile engagement, while the overall cover remains thin to meet aesthetic and space requirements. This localized thickness variation allows the cover to satisfy both thin profile requirements and durability needs.
2Volume of moving object
If the interfering portion and tactile bumps are disposed on the lateral side of the sliding door and groove-ward side of the limiting slot, then the thickness can be reduced, but the length is limited which reduces abrasion tolerance
Solution Approach 1:
The patent relocates the interfering portion from the lateral side to the bottom side of the sliding door, and the tactile bumps from the groove-ward side to the bottom side of the limiting slot. This dimensional repositioning allows the interfering portion and tactile bumps to be disposed on surfaces that do not constrain the length dimension, enabling longer contact surfaces that improve abrasion tolerance while maintaining thin overall thickness.
3Ease of operation
If a tactile feedback mechanism is added to provide snap-engagement sensation, then the user experience is improved, but the structure becomes more complex and may increase thickness
Solution Approach 1:
The sliding door assembly provides its own tactile feedback mechanism through the self-contained interaction between the interfering portion and tactile bumps. The structure is self-sufficient, requiring no additional external components or mechanisms to provide snap-engagement sensation. The interfering portion itself serves as both the operational element and the tactile feedback source, eliminating the need for separate feedback mechanisms.
Solution Approach 2:
The patent merges the functional element (interfering portion) with the feedback element (tactile bump interaction) into a single integrated structure. The interfering portion serves dual purposes: it provides the mechanical constraint for positioning and simultaneously generates tactile feedback when interacting with the bumps. This merging eliminates the need for separate feedback components, reducing overall structural complexity.
Data Source
AI summary
A shelter module includes a casing and a sliding door. The casing has an outer surface and a limiting slot. The limiting slot sinks inward from the outer surface. The limiting slot has a bottom side, a through hole and a first tactile bump. The through hole is disposed on the bottom side. The first tactile bump protrudes from the bottom side. The sliding door slides between an open position and a closed position in the limiting slot to expose or hide the through hole. The sliding door has a hiding side facing the bottom side. The sliding door has its thickness reduced from the hiding side to form a relief recess and an interfering portion adjacent to the relief recess. As soon as the sliding door slides from the open position to the closed position, the interfering portion slides past the first tactile bump to generate a tactile feedback.