Retrofittable Wireless Power Receiver Card for Consumer Devices
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Solution Overview
Problem
Current wireless charging solutions for consumer electronic devices are limited by their inability to seamlessly integrate with device user interfaces and mechanical design, and often require bulky and inconvenient wired charging methods.
Innovation Solution
A wireless charging system that includes a wireless power receiver with a secondary inductor and a reception circuit, capable of being integrated into consumer devices, allowing for inductive power reception and potentially incorporating near-field communication functionality, enabling wireless power transfer without the need for physical connections.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If wired charging with trailing cords is used, then reliable power transfer is achieved, but convenience and safety are reduced due to entanglement and damage risks
Solution Approach 1:
The patent replaces the mechanical wired connection system with a wireless electromagnetic field-based power transfer system. The wireless power receiver card uses inductive coupling to transfer power without physical contact, eliminating the trailing cord and connector assembly, thereby resolving the contradiction between charging convenience and connection reliability.
2Adaptability or versatility
If wireless power receiver is retrofitted on existing devices, then wireless charging functionality is added, but seamless integration with device UI and mechanical design is limited
Solution Approach 1:
The wireless power receiver card is designed as a universal standardized component that can be retrofitted into multiple device types. It incorporates multiple functional elements including power reception, NFC communication, and device interaction capabilities in a single integrated card, reducing overall integration complexity while maintaining versatility.
Solution Approach 2:
The wireless power receiver card is designed to nest within the device's existing mechanical structure, utilizing available spaces and integrating with existing components. The card can be inserted into a dedicated slot or compartment, allowing seamless integration without requiring complete device redesign.
3Ease of manufacture
If standardized wireless power port is integrated into devices, then ease of wireless charging integration is improved, but device design flexibility is reduced
Solution Approach 1:
The wireless charging system is segmented into separate functional modules: a standardized wireless power receiver card and a corresponding power port. This segmentation allows the port to be integrated using standard procedures while the card can be manufactured and tested independently, then assembled into the final device, maintaining design flexibility.
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
This solution provides a standardized method for integrating wireless charging into consumer devices, enhancing convenience and design by eliminating the need for wired connections and improving mechanical integration, while enabling efficient power transfer and potential additional communication features.
Implementation Method 1
a secondary inductor operable to couple inductively with a primary inductor connected to a power source via a driver
Data Source
AI summary
An electrical device includes a host charger power management integrated circuit wired to a battery, a wired power input comprising a first VOUT and GND pair of power connectors wired to a first pair of charging inputs of the host charger power management integrated circuit, a wireless power port for conductively connecting with a retrofittable wireless power receiver, said wireless power port comprising a second VOUT and GND pair of power connectors wired to a second pair of charging inputs of the host charger power management integrated circuit; and a power DISABLE connector for communicating a DISABLE signal to disable charging.