Portable Charging Case Audio Streaming and Wireless Pairing
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Solution Overview
Problem
Existing audio systems lack a convenient method to stream audio data to wireless audio devices while charging them simultaneously, and there is no integrated solution for managing multiple wireless connections and audio streams efficiently.
Innovation Solution
A portable charging case with circuitry and charging interfaces that can establish wireless connections with multiple wireless audio devices, automatically stream audio data from internal memory or external sources, and manage identification information for pairing, using protocols like Bluetooth Low Energy for efficient power consumption.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If a portable charging case charges multiple wireless audio devices simultaneously, then the convenience and productivity are improved, but the device complexity and energy consumption increase
Solution Approach 1:
The charging case divides its charging capability into separate independent charging interfaces, each capable of charging one wireless audio device at a time. This segmentation allows multiple devices to be charged simultaneously without requiring a single complex charging system to handle all devices at once, thereby improving productivity while managing device complexity through modular design
Solution Approach 2:
The charging case is designed with universal charging interfaces that can charge different types of wireless audio devices (headphones, earbuds, etc.) through the same charging mechanism. This multi-functionality allows a single charging case to serve multiple purposes and charge multiple device types simultaneously, improving productivity without proportionally increasing system complexity
2Adaptability or versatility
If audio data is streamed wirelessly to multiple devices simultaneously, then the versatility and productivity are improved, but the energy consumption and device complexity increase
Solution Approach 1:
The charging case dynamically manages wireless audio streaming by establishing independent wireless connections with multiple audio devices and controlling audio data transmission based on real-time connection status and power availability. This dynamic approach allows the system to adapt to different device combinations and power states, improving versatility while optimizing energy consumption by only streaming to connected devices
Solution Approach 2:
The system changes operational parameters such as wireless transmission power levels and audio streaming rates based on the number of connected devices and available power in the charging case battery. By adjusting these parameters dynamically, the system maintains high device compatibility and audio quality while managing power consumption efficiently across multiple simultaneous connections
3Ease of operation
If automatic pairing and connection management is implemented, then the ease of operation is improved, but the device complexity increases
Solution Approach 1:
The charging case implements automatic pairing and connection management that operates autonomously without requiring user intervention. The system automatically detects wireless audio devices, establishes connections, and manages audio streaming based on pre-stored pairing information and real-time device status. This self-service capability dramatically improves ease of operation while the complexity is contained within the charging case's control system
Solution Approach 2:
The charging case performs preliminary pairing actions in advance by storing identification information of compatible wireless audio devices before actual use. When a device is placed in the charging case or comes into range, the system automatically retrieves stored pairing data and establishes connections without requiring users to go through manual pairing procedures each time, thereby improving operational convenience
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
Enables simultaneous charging and audio streaming to multiple wireless audio devices, with automatic pairing and efficient power management, allowing seamless integration with various audio sources and devices.
Implementation Method 1
a first charging interface configured to establish a first power transfer connection with a first wireless audio device
Implementation Method 2
circuitry arranged to wirelessly transmit, from the portable charging case to the first wireless audio device, a first audio data stream
Data Source
AI summary
The present disclosure relates to audio systems for streaming audio data to wireless audio devices from a portable charging case. The portable charging case is arranged to wirelessly charge first and second wireless audio devices as well as stream audio data to the first and second wireless audio devices. The portable charging case can store audio files/audio data within an internal memory, or receive audio data from an external source, e.g., a cable arranged to transmit digital or analog audio data. The portable charging case is further arranged to automatically start streaming audio data to the first and/or second wireless audio devices when a cable is connected to the portable charging case.