Wireless Listening Device Multifunction Button and Charging Case
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Solution Overview
Problem
Existing wireless portable listening devices lack high-end acoustic performance and a pleasant user experience, and there is a need for improved solutions for storing and charging these devices.
Innovation Solution
The development of portable wireless listening devices with advanced features such as a device housing, acoustic port, multifunction input button, electronic circuit, battery, and a charging case that includes magnetic retention elements for secure storage and charging, enabling high-end acoustic performance and intuitive user interaction.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If wireless portable listening devices are made compact and portable, then ease of operation and portability are improved, but acoustic performance and user experience deteriorate
Solution Approach 1:
The patent implements nesting by placing the portable listening device inside a charging case that also serves as a storage container. The device fits within the case's internal cavity, and the case provides additional protective housing. This nested structure allows the compact device to maintain portability while the larger case provides space for high-performance acoustic components, battery, and electronic circuits, thereby resolving the contradiction between compact size and acoustic performance.
2Reliability
If more features and components are added to improve acoustic performance and user interaction, then acoustic performance and functionality are improved, but device complexity increases
Solution Approach 1:
The patent applies multi-functionality by designing the charging case to serve multiple purposes: it stores the portable listening device, charges the device's battery through integrated charging circuitry and electrical contacts, and provides protective housing. The case's internal cavity houses both the device and charging components, allowing a single structure to fulfill storage, power supply, and protection functions, thereby reducing overall system complexity while maintaining high acoustic performance.
3Reliability
If a charging case is designed to securely store and charge the device, then reliability and ease of operation are improved, but device complexity and manufacturing difficulty increase
Solution Approach 1:
The patent merges the storage function and charging function into a single integrated charging case structure. The case's internal cavity simultaneously provides secure storage space and houses the charging circuitry and electrical contacts. By combining these functions in one unified structure rather than separate components, the patent reduces manufacturing complexity while achieving reliable secure storage and charging capabilities.
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 solution provides users with enhanced acoustic performance, intuitive user interaction, and secure, efficient charging and storage of wireless listening devices, improving the overall user experience and device functionality.
Implementation Method 1
The charging case can include first and second retention elements, the first retention element positioned within the case body adjacent to the first pocket and aligned to magnetically couple with the retention magnet of one of the earphones
Data Source
AI summary
A portable listening device comprising: a device housing defining an internal cavity; an acoustic port formed through the device housing; an audio driver disposed within the device housing and aligned to emit sound through the acoustic port; a multifunction input button coupled to the device housing, the multifunction input button having a distal end and a proximate end, a centerline between the distal and proximate ends and an axis of rotation located between the center line and the proximate end; an electronic circuit disposed within the device housing that requires power to operate and is configured to detect activation of the button; and a battery disposed within the device housing and operable to provide power to the electronic circuit.