Headset Charging Dock With Wireless Alignment and Contact-Free Power
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Solution Overview
Problem
Existing communication devices, such as headsets, require periodic charging, and there is a need for a universal charging solution that can accommodate multiple devices of different types in office and home environments, while avoiding the issues of exposed electrical contacts and electrostatic discharge.
Innovation Solution
A headset charging dock with a wireless charging interface integrated into the mechanical support, allowing headsets to be hung by their headband and charged wirelessly, using a charging transmit antenna assembly and receive antenna assembly for efficient power transfer, along with magnetic alignment for correct docking and thermal management.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional wired charging with exposed electrical contacts is used, then charging functionality is achieved, but safety risks increase due to electrostatic discharge and contact exposure
Solution Approach 1:
The patent replaces the mechanical contact-based charging system with a wireless electromagnetic induction system. The charging dock contains a transmit antenna assembly that generates an electromagnetic field, which induces current in the receive antenna assembly of the headset, enabling power transfer without physical electrical contacts. This substitution eliminates exposed contacts and electrostatic discharge risks while maintaining charging functionality.
2Adaptability or versatility
If a universal charging solution is implemented to accommodate multiple device types, then adaptability improves, but device complexity increases
Solution Approach 1:
The patent implements a universal charging dock design with a mechanical support structure that can accommodate multiple headset types through adjustable positioning. The wireless charging interface uses standard electromagnetic induction protocols that are compatible with various headset models. The support structure includes positioning features that adapt to different headset sizes and shapes, allowing a single dock to serve multiple device types without requiring complex device-specific mechanisms.
3Volume of moving object
If wireless charging interface is integrated into the mechanical support, then space efficiency improves, but manufacturing complexity increases
Solution Approach 1:
The patent integrates the wireless charging function directly into the mechanical support structure of the charging dock. The transmit antenna assembly is incorporated within the support structure, combining the mechanical holding function and wireless power transfer function into a single integrated unit. This merging eliminates the need for separate charging components, reducing the overall footprint while the modular design of the antenna assembly keeps manufacturing complexity manageable through standardized components.
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 universal, efficient, and safe charging of various headset types, eliminating the need for exposed contacts and electrostatic discharge risks, while providing a compact and versatile solution for different environments.
Implementation Method 1
a charging setup of a headset, the charging setup comprising: a wireless charging interface disposed on a headband of the headset and configured to enable a wireless charging of the headset
Implementation Method 2
along with magnetic alignment for correct docking and thermal management
Data Source
AI summary
A headset charging dock includes a headset mechanical support configured to hang a first headset by a headband of the first headset; and a wireless charging interface for the first headset, the wireless charging interface integrated in the headset mechanical support.