Replaceable Conductive Marker Tip for Paper-Like Stylus Writing
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Solution Overview
Problem
Conventional pen-styluses lack the ability to provide a high-quality writing experience akin to using a pen or pencil on paper, and their compatibility with digitizers is often limited, leading to inconsistent performance and precision issues.
Innovation Solution
A removable marker tip for an active pen-stylus equipped with an antenna and insulator that mimics the sensations of writing on paper by translating physical forces into electronic signals, ensuring compatibility and enhanced precision.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If an antenna is integrated into the marker tip to enable active pen-stylus functionality, then communication capability is improved, but the writing sensation quality deteriorates because the antenna material does not replicate paper texture
Solution Approach 1:
The marker tip is constructed as a composite structure combining a conductive antenna element with a consumable insulating material. The antenna provides electromagnetic communication functionality while the insulating material (such as polymer or rubber) provides the tactile paper-like writing sensation, resolving the contradiction between communication capability and writing comfort
Solution Approach 2:
The marker tip is divided into functionally independent segments: a conductive antenna portion for signal transmission and a separate consumable insulating portion for tactile interaction. This segmentation allows each component to optimize its specific function without compromising the other
2Ease of operation
If a consumable insulating material is added to provide paper-like writing sensation, then writing comfort is improved, but the structural complexity increases
Solution Approach 1:
The antenna and insulating material are merged into a single integrated marker tip component that attaches to the pen-stylus body. This combining approach provides paper-like writing sensation while minimizing structural complexity by avoiding separate replaceable parts
3Duration of action of stationary object
If the marker tip is made replaceable to extend usability, then durability is improved, but the manufacturing precision requirements increase
Solution Approach 1:
The insulating portion of the marker tip is designed as a consumable component that wears during use and can be replaced. This disposable approach extends the overall usability duration of the pen-stylus system while allowing for standardized, easier-to-manufacture replaceable parts
Data Source
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AI summary
Embodiments of the invention provide a removable marker tip configured for application with an active pen-stylus. The removable marker tip comprises an antenna and an insulator and is designed to be held onto the pen-stylus' writing shaft by a set of crush ribs fitted into a posterior recess on the removable marker tip. The removable marker tip is designed to be a consumable part to improve the paper feeling received by users of the pen-stylus as they draw on the display of a tablet device. The removable marker tip is further designed to be hand-removable by users of the pen-stylus.