In-Line Audio Controller With a Limitless Volume Wheel
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Solution Overview
Problem
Existing in-line controllers for headsets are difficult to operate single-handedly and require user interaction that is not intuitive, often necessitating visual confirmation, and they need a compact ergonomic design.
Innovation Solution
An in-line controller with an elongated housing featuring a rotatable volume control wheel that can turn freely 360 degrees, integrated with a magnetic encoder to provide position information, allowing single-handed operation without visual confirmation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If traditional button-based controls are used in the in-line controller, then the device structure is simple, but the user cannot easily identify the buttons and perform operations intuitively without visual confirmation
Solution Approach 1:
The patent employs a circumferential volume control wheel with a curved, rotational interface instead of flat buttons. This curved geometry provides tactile cues and intuitive directional control (rotating forward to increase volume, backward to decrease), enabling users to operate the controller intuitively without visual confirmation while maintaining a compact form factor.
2Ease of operation
If the in-line controller is made compact for ergonomic design, then it is less disturbing to the user, but the buttons become even harder to identify and operate
Solution Approach 1:
The circumferential volume control wheel utilizes a rotational curved surface that provides inherent tactile identification. The circular geometry with defined rotation directions allows users to easily identify and operate the control through touch alone, eliminating the need for visual confirmation even in a compact controller design.
3Ease of operation
If a limitless rotation volume control wheel is implemented, then single-handed operation becomes easy and intuitive, but the device complexity increases due to the encoder requirement
Solution Approach 1:
The patent replaces complex mechanical volume control mechanisms with an encoder-based detection system. The encoder electronically detects the rotational position and direction of the volume control wheel, providing precise control information without requiring complex mechanical linkages or switches, thus enabling intuitive single-handed operation with manageable device complexity.
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
The solution enables easy, ergonomic, and compact volume control with intuitive operation, enhancing user experience by allowing single-handed adjustment of audio device settings.
Implementation Method 1
The housing may house an encoder configured for providing a signal representative of position information of the volume control wheel
Data Source
AI summary
Disclosed herein are embodiments of an in-line controller for an audio device. The in-line controller can include an elongated housing having a first end and a second end, wherein the first end and the second end receive electrical wiring. The housing can include a first longitudinal section with a circumferential volume control wheel rotatable relative to the rest of the housing around a longitudinal axis of the housing, wherein the volume control wheel is configured to be rotated limitlessly. The housing can house an encoder configured for providing a signal representative of position information of the volume control wheel.