Portable Speaker System with Adaptive Frequency Control for Vehicle Integration
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Solution Overview
Problem
Existing vehicle audio systems require separate, dedicated subwoofers and lack a portable wireless speaker solution that can seamlessly transition between vehicle and non-vehicle use without the need for additional purchases.
Innovation Solution
A speaker system comprising a housing with a subwoofer, mid-range, and high-frequency speakers, controlled by a controller that determines its location relative to a docking station, disabling or enabling speakers to provide low, mid, and high-frequency components accordingly, allowing the system to function as part of a vehicle audio system or a portable wireless speaker.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Power
If a vehicle audio system uses large subwoofers mounted in the rear portion of the vehicle, then low-frequency sound output is improved, but the system complexity and number of components increase
Solution Approach 1:
The portable speaker system is designed to serve dual purposes: it functions as a portable wireless speaker for external use and as an integrated subwoofer when docked in the vehicle. The speaker system includes a rechargeable battery and wireless communication capabilities for portable use, while also providing wireless audio reception and charging when docked in the vehicle, eliminating the need for separate dedicated subwoofers
Solution Approach 2:
The patent combines the functions of a portable wireless speaker and a vehicle subwoofer into a single integrated system. The speaker system merges audio playback, wireless communication, battery charging, and docking integration into one unified device, reducing the total number of components needed in the vehicle audio system
2Adaptability or versatility
If the speaker system disables certain speakers when docked in the vehicle, then the adaptability to vehicle audio system is improved, but the audio quality outside the vehicle may be compromised
Solution Approach 1:
The speaker system dynamically adjusts its operational configuration based on its location and usage context. The controller enables or disables specific speakers depending on whether the system is docked in the vehicle or used portably, optimizing performance for each mode while maintaining audio quality through adaptive speaker selection
Solution Approach 2:
Different speakers are activated based on the specific usage scenario: when docked in the vehicle, the system activates the subwoofer for low-frequency output while other speakers may be disabled, whereas when used portably, the system activates the appropriate combination of speakers to deliver full-range audio quality for external environments
Data Source
AI summary
A speaker assembly is provided with a housing, a first speaker and a second speaker both supported by the housing, and a controller. The controller is programmed to determine a location of the housing relative to a docking station. The controller is further programmed to disable the second speaker and control the first speaker to play a low-frequency component of an audio signal in response to the housing being located proximate to the docking station.