Mirror-Symmetric Headset Housing for Balanced Left-Right Ear Adaptability
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Solution Overview
Problem
Wired headsets often become unbalanced when switched from one ear to the other due to the wire's position, causing discomfort and instability.
Innovation Solution
A wearable device with a detachable holding member that can be securely attached to the earphone housing in either a left or right ear configuration, featuring mirror-symmetric attachment positions and notches to guide the wire, ensuring the wire extends downwards in both orientations, thus maintaining balance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the wire extends from the earphone housing in a downwards direction at a fixed wire position, then the headset maintains balance when worn, but the headset cannot be adapted to both left and right ear use
Solution Approach 1:
The holding ring is divided into multiple notches positioned at different locations around its circumference. Each notch corresponds to a specific attachment position for the earphone housing, allowing the wire to extend downwards while accommodating both left and right ear configurations. This segmentation enables the headset to maintain balance (wire pointing down) while providing adaptability to different ears.
2Adaptability or versatility
If the holding ring is rotated 180° to switch from left ear to right ear use, then the headset can be adapted to the other ear, but the wire no longer points downwards causing unbalance
Solution Approach 1:
The notches are positioned asymmetrically around the holding ring circumference rather than being uniformly distributed. This asymmetric arrangement ensures that when the earphone housing is attached at different positions (for left or right ear), the wire consistently extends from a position that points downwards, maintaining headset balance regardless of which ear is being used.
3Adaptability or versatility
If multiple notches are provided around the holding ring for different attachment positions, then the headset can be adapted to left and right ear with wire pointing down, but the device complexity increases
Solution Approach 1:
The holding ring serves multiple functions: it provides structural support for the earphone housing, offers multiple attachment positions through its notches for left and right ear configuration, and ensures proper wire orientation (pointing downwards) for balance. By consolidating these functions into a single component, the solution achieves multi-position attachment capability without proportionally increasing device complexity.
Data Source
AI summary
A wired headset (1) comprising an earphone (2) with an earphone housing (12) a speaker and a wearing device (33) for attaching the earphone housing (12) to the head of the user. The earphone (2) further comprising a wire (3) for connecting the earphone (2) to external equipment, the wire (3) extending from the earphone housing (12) in an essentially downwards direction at a wire position (13) at the lower end of the earphone housing (12) during use. The earphone housing (12) is essentially mirror symmetric about a first plane (32), which is orthogonal to the first side (9), and which extends through the wire position (13) and the centre (8) of the earphone housing (12). The wearing device (33) extends from the earphone housing (12) at an attachment position (14), which lies at the upper end of the earphone housing (12). The attachment position can be a. first attachment position (14A) for holding the earphone housing (12) at the left ear or a second attachment position (14B) for holding the earphone (2) at the right ear, the positions (14A, 14B) being mirror symmetric about the first plane (32).