Wireless Headset with Retractable Earpieces for Mode Switching

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Solution Overview

Problem

Current wireless headsets primarily focus on wireless communication and lack versatility in usage states and control methods, limiting user convenience and functionality.

Innovation Solution

A wireless headset design featuring retractable earpieces with detachable sub-bodies and a controller that switches between wired and wireless sound output modes based on earpiece attachment, using sensing units to activate appropriate interfaces and adjust sound output accordingly.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If the headset uses fixed wired earpieces, then the structure is simple and reliable, but the adaptability and user convenience are limited

Engineering Contradiction:
Improveusage statesVSAvoidstructural characteristics
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The headset is divided into separable components: main body, sub-bodies, and earpieces. The earpieces can be detached from sub-bodies, and sub-bodies can be detached from the main body, creating multiple configurable states (wired/bilateral, wireless/unilateral, wireless/bilateral) without requiring a completely complex redesign of the entire system.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The headset transitions from a static fixed structure to a dynamic reconfigurable structure. The retractable cable allows the connection state to change between wired and wireless modes, and the detachable earpieces allow users to switch between bilateral and unilateral usage modes based on real-time needs.

Inventive Principle:
Principle #15Dynamics

2Adaptability or versatility

If the headset provides multiple usage modes, then the adaptability improves, but the control complexity increases

Engineering Contradiction:
Improveusage statesVSAvoidcontrol method
Core Design Contradiction:
Adaptability or versatilityVSEase of operation

Solution Approach 1:

The headset automatically detects the connection state of earpieces and sub-bodies through sensing units and autonomously switches between wired and wireless modes, or between bilateral and unilateral audio output. This self-service mechanism eliminates the need for manual mode selection by users, simplifying operation while providing multiple usage states.

Inventive Principle:
Principle #25Self-service

Solution Approach 2:

Sensing units provide real-time feedback on the connection status of earpieces and sub-bodies to the controller. Based on this feedback, the controller automatically adjusts the audio output mode (wired/wireless, bilateral/unilateral), creating a closed-loop control system that adapts to user needs without requiring explicit user input.

Inventive Principle:
Principle #23Feedback

3Ease of operation

If the earpieces are detachable, then the ease of operation and adaptability improve, but the reliability of connection may worsen

Engineering Contradiction:
Improveuser convenienceVSAvoidconnection stability
Core Design Contradiction:
Ease of operationVSReliability

Solution Approach 1:

The retractable cable acts as an intermediary mechanism between the main body and sub-bodies. It provides a physical connection that can be extended or retracted as needed, maintaining structural integrity while allowing easy attachment and detachment of components. This intermediary element bridges the gap between the need for easy operation and connection reliability.

Inventive Principle:
Principle #24Intermediary (Mediator)

Data Source

PatentEP3195609B1Wireless headset and method of contrlling the same
Publication Date: 2020.03.25 LG ELECTRONICS INC
  • EP3195609B1 patent drawingFigure 1~2
  • EP3195609B1 patent drawingFigure 3~5
  • EP3195609B1 patent drawingFigure 6~8

AI summary

Disclosed is a wireless headset including: a main body; sub-bodies detachably attached to both lateral ends of the main body by a retractable cable; earpieces detachably attached to the sub-bodies and configured to output a sound when supportedly installed in the sub-bodies; and a controller configured to output the sound wirelessly through the earpieces when the earpieces are separated from the sub-bodies.