Dual-Sided Vibration Module for Compact Stereoscopic Vehicle Sound
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Solution Overview
Problem
Vehicle sound apparatuses face limitations in producing realistic or stereoscopic sound due to spatial constraints and the number of speakers that can be installed, particularly with coil-type speakers.
Innovation Solution
A vibration generating module comprising a vibration member with connected vibration apparatuses on opposite surfaces, which can improve sound characteristics and reduce volume and thickness, allowing for enhanced sound pressure and stereoscopic sound production.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the number of speakers is increased to output stereoscopic sound, then sound characteristics are improved, but device volume and complexity increase
Solution Approach 1:
The patent combines two vibration apparatuses into a single integrated structure that operates on opposite surfaces of one vibration member. This merging approach allows the system to achieve stereoscopic sound output typically requiring multiple separate speakers, while reducing the overall device volume and simplifying the structural configuration.
Solution Approach 2:
The invention transitions from a conventional single-sided speaker arrangement to a dual-sided configuration where vibration apparatuses are positioned on opposite surfaces of the vibration member. This dimensional change enables stereoscopic sound production within a more compact form factor by utilizing three-dimensional space more efficiently.
2Power
If coil-type speakers are used, then sound output is achieved, but spatial constraints and device thickness increase
Solution Approach 1:
The patent replaces traditional coil-type speaker mechanisms with a vibration apparatus configuration that directly actuates the vibration member. This substitution eliminates the need for bulky coil assemblies, voice coils, and associated magnetic structures, thereby significantly reducing device thickness while maintaining effective sound output capability.
Solution Approach 2:
The invention employs thin vibration members that can be effectively actuated by the vibration apparatuses on their surfaces. These thin film-like structures replace the thick rigid structures required by coil-type speakers, enabling compact and thin device design without compromising sound production efficiency.
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 module enhances sound characteristics and sound pressure while simplifying the structure, achieving a lightweight and compact design with improved sound reproduction capabilities.
Implementation Method 1
a vibration generating module may comprise a vibration member, a pad portion on a first surface of the vibration member, a first vibration apparatus on the first surface of the vibration member and connected to the pad portion, and a second vibration apparatus on a second surface opposite to the first surface of the vibration member and connected to the pad portion
Data Source
AI summary
A vibration generating module, a sound apparatus comprising the same, and a vehicular apparatus are provided. The vibration generating module comprises a vibration member; a pad portion on a first surface of the vibration member; a first vibration apparatus on the first surface of the vibration member and connected to the pad portion; and a second vibration apparatus on a second surface opposite to the first surface of the vibration member and connected to the pad portion. Accordingly, the vibration generating module, the sound apparatus comprising the same and the vehicular apparatus may have improved sound characteristics and/or improved sound pressure characteristics.