Flexible Stylus with Dockable Earpiece for Hands-Free Audio

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Solution Overview

Problem

Current computer peripherals lack a versatile solution that integrates a capacitive stylus with a dockable earpiece, providing both input functionality and hands-free audio capabilities while being easily storable and rechargeable.

Innovation Solution

A computer peripheral featuring a flexible stylus with a capacitive nib and an earpiece dock, allowing the earpiece to be removably docked for charging and use as a headset, with the stylus capable of being worn around the ear and used as a touch input device, featuring a non-circular shape for grip and a breakable power/data link for operational mode switching.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If a stylus and earpiece are integrated into a single device, then functionality and convenience are improved, but device complexity increases

Engineering Contradiction:
ImprovefunctionalityVSAvoiddevice complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The device is divided into separate functional modules: a stylus body for input functionality and a detachable earpiece module for audio functionality. This segmentation allows each component to be optimized independently while maintaining overall versatility, resolving the contradiction between functionality and complexity.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The stylus body serves multiple functions: it acts as a touch input device, a charging dock for the earpiece, and a structural support for the detachable earpiece module. This multi-functionality approach allows a single base device to support multiple use cases without proportionally increasing complexity.

Inventive Principle:
Principle #6Universality (Multi-functionality)

2Ease of operation

If the earpiece is made detachable and dockable, then ease of storage and charging is improved, but reliability of connection decreases

Engineering Contradiction:
Improveease of storageVSAvoidconnection reliability
Core Design Contradiction:
Ease of operationVSReliability

Solution Approach 1:

The earpiece dock is merged with the stylus body, creating an integrated charging and storage solution. When the earpiece is attached, it automatically docks with the stylus body for wireless charging and data transfer, ensuring reliable connection while maintaining ease of detachment for storage.

Inventive Principle:
Principle #5Merging (Combining)

3Adaptability or versatility

If the stylus is made flexible and wearable, then adaptability and convenience are improved, but manufacturing precision requirements increase

Engineering Contradiction:
ImprovewearabilityVSAvoidmanufacturing precision
Core Design Contradiction:
Adaptability or versatilityVSManufacturing precision

Solution Approach 1:

The stylus body incorporates flexible materials that allow it to be bent and worn around the ear while maintaining structural integrity and functional components. This flexibility enables adaptability and wearability without requiring extremely tight manufacturing tolerances, as the flexible materials can accommodate variations in shape and form.

Inventive Principle:
Principle #30Flexible shells and thin films

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 transition between stylus input and headset functionality, ensuring the earpiece remains functional while worn, with efficient power management and easy storage, enhancing user interaction and convenience.

Implementation Method 1

an inductive charger configured to wirelessly receive power via an inductive coupling with the host device and to use the power to charge the earpiece battery

Methodology Applied
Scientific EffectInductive coupling: Electromagnetic Induction

Implementation Method 2

one or more magnetically attractive elements configured to magnetically hold the computer peripheral to the host device

Methodology Applied
Scientific EffectMagnetic attraction: Magnetism

Data Source

PatentEP3721328B1Flexible carpenter's stylus with dockable earpiece
Publication Date: 2021.09.29 MICROSOFT TECHNOLOGY LICENSING LLC
  • EP3721328B1 patent drawingFigure 1A~1D
  • EP3721328B1 patent drawingFigure 2A
  • EP3721328B1 patent drawingFigure 2B

AI summary

A computer peripheral includes a stylus having a capacitive stylus nib and an earpiece dock. An earpiece is removably dockable at the earpiece dock. The earpiece includes a speaker, an earpiece battery, and a wireless radio configured to communicatively couple with a host device. The computer peripheral further includes a charger configured to receive power, and while the earpiece is docked, to use the power to charge the earpiece battery.