Wireless Car Audio Transmitter for Battery-Powered Speaker Integration
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Solution Overview
Problem
The current car audio aftermarket systems face challenges in safely adding aftermarket audio equipment to electric and hybrid vehicles due to insufficient power supply and integration with existing vehicle systems, particularly those with integrated control options.
Innovation Solution
A wireless audio system comprising a transmitter unit connected to the vehicle's head unit and battery-powered speaker units, which wirelessly transmit audio signals, allowing for synchronized playback without requiring permanent vehicle modifications or direct power draw.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Use of energy by moving object
If battery-powered speaker units are used, then power supply sufficiency is improved, but device complexity increases
Solution Approach 1:
The audio system is divided into separate modular components: a transmitter unit that interfaces with the vehicle's head unit and battery-powered speaker units that operate independently. This segmentation allows each component to be optimized separately - the speaker units can use their own battery power sources without burdening the vehicle's electrical system, while the transmitter unit handles signal processing and wireless communication.
Solution Approach 2:
A transmitter unit serves as an intermediary between the vehicle's head unit and the battery-powered speaker units. The transmitter receives audio signals from the head unit, processes them wirelessly, and transmits them to the speaker units. This intermediary approach allows the system to integrate with existing vehicle audio systems without requiring direct power connections to high-power audio components.
2Ease of manufacture
If wireless transmission is used, then ease of installation is improved, but loss of information increases
Solution Approach 1:
The patent replaces traditional mechanical/wired audio transmission systems with wireless transmission technology. Instead of requiring physical audio cables to connect the head unit to audio components, the system uses wireless communication protocols to transmit audio signals. This substitution eliminates the need for complex wiring installations while maintaining audio signal integrity through modern wireless communication standards.
3Adaptability or versatility
If integration with head unit is required, then adaptability is improved, but device complexity increases
Solution Approach 1:
The transmitter unit is designed with universal compatibility to interface with various vehicle head units through standard audio connections. It can process different types of audio signals (analog and digital) and communicate with multiple types of battery-powered speaker units. This multi-functionality allows the system to adapt to different vehicle configurations without requiring custom integration solutions for each scenario.
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
Provides an enhanced audio experience with flexible, modular, and easily upgradeable audio systems that do not rely on vehicle power, supporting high-power audio equipment and allowing placement of speakers at convenient locations within wireless range.
Implementation Method 1
The transmitter unit may include wireless communication circuitry configured to wirelessly transmit at least a portion of the audio signals to one or more battery-powered speaker units
Implementation Method 2
one or more amplifiers to amplify the audio signals
Implementation Method 3
one or more speakers configured to produce sound based on the audio signals
Data Source
AI summary
A wireless audio device may include a transmitter unit configured to be installed in a vehicle and electronically coupled with a head unit in the vehicle. The transmitter unit may receive audio signals from the head unit and may be powered by the vehicle. The transmitter unit may include wireless communication circuitry to wirelessly transmit at least a portion of the audio signals to one or more battery-powered speaker units. At least one of the battery-powered speaker units may include additional wireless communication circuitry to receive the audio signals from the transmitter unit, one or more amplifiers to amplify the audio signals, and one or more speakers to produce sound based on the audio signals.