Marine Loudspeaker Angular Offset Mounting for Rear Sound Projection
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Solution Overview
Problem
Existing loudspeaker systems for marine and vehicle applications lack effective directionality and durability in harsh outdoor environments, and do not adequately address the need for improved sound projection and multicolor lighting integration.
Innovation Solution
A marine-grade loudspeaker configuration featuring a coaxial speaker with an angular offset from the horizontal plane, mounted on a rotatable clamp for adjustable directionality, and incorporating salt and spray protection, along with multicolor lighting elements, to enhance sound projection and aesthetic appeal.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a conventional loudspeaker is mounted horizontally, then the installation is simple, but the sound directionality is poor and cannot effectively project sound to rear vehicle positions
Solution Approach 1:
The loudspeaker is mounted at an asymmetric angle (e.g., 45 degrees) relative to the vehicle structure rather than horizontally, creating directional sound projection toward rear positions. This angular offset asymmetrically directs acoustic energy to specific zones, resolving the contradiction between simple installation and effective sound directionality.
Solution Approach 2:
The mounting configuration transitions from a two-dimensional horizontal plane to a three-dimensional angular orientation. By introducing a vertical component to the mounting angle, the system achieves directional control in multiple spatial dimensions, enabling rearward sound projection while maintaining installation feasibility.
2Reliability
If a marine-grade loudspeaker is used, then durability in harsh environments is improved, but the device complexity increases
Solution Approach 1:
The loudspeaker housing employs composite material construction combining corrosion-resistant metals (e.g., stainless steel, aluminum) with weather-proof polymers. This composite approach achieves marine-grade durability through material properties rather than complex structural designs, maintaining simplicity while ensuring reliability in salt and spray environments.
Solution Approach 2:
The enclosure utilizes sealed, flexible-gasketed construction with thin-film protective coatings that provide environmental sealing without adding structural complexity. These flexible sealing elements protect internal components from moisture and corrosion while maintaining a simple overall device architecture.
3Illumination intensity
If multicolor lighting elements are integrated, then aesthetic appeal is improved, but the device complexity increases
Solution Approach 1:
The multicolor lighting elements (LEDs) are merged directly into the loudspeaker housing structure, combining aesthetic illumination with the existing device form factor. This integration approach adds lighting functionality without requiring separate mounting systems or complex control architectures, thereby improving aesthetics while limiting complexity growth.
Data Source
AI summary
The present disclosure relates to loudspeaker systems and configurations. In one embodiment, a loudspeaker includes a housing, a mount coupled to the housing, and a coaxial speaker fixed with the housing, wherein coaxial speaker is fixed with an angular offset from a horizontal plane of the housing. The coaxial speaker may be fixed with an angular offset from a horizontal plane of the housing to project sound to position behind a marine vehicle, such as a desired rider position. The loudspeaker may also include at least one multicolor element and connections to receive audio data and lighting control signals for the multicolor element.