Wireless Power Receiver Multi-Protocol Negotiation
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Solution Overview
Problem
Current wireless power systems face compatibility issues due to the use of different control channel protocols by various vendors, leading to interoperability challenges between devices from different manufacturers.
Innovation Solution
The implementation of a wireless power system that includes a processing module and transceivers capable of identifying and negotiating the control channel protocol, allowing devices to communicate and establish a compatible connection for efficient energy transfer, even if they use different protocols, by using standardized or proprietary protocols like Bluetooth, RFID, or NFC.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If different control channel protocols are used by various vendors, then each vendor can optimize their own system performance, but compatibility and interoperability between devices from different manufacturers deteriorate
Solution Approach 1:
The wireless power receive unit is designed with multi-protocol support, capable of identifying and operating with multiple different control channel protocols (Bluetooth, RFID, NFC, proprietary protocols). This allows a single receive unit to work with transmit units from different vendors, achieving universal compatibility while maintaining the ability to optimize for each protocol's specific performance characteristics
Solution Approach 2:
The system dynamically identifies the control channel protocol being used by the transmit unit and adapts its operation accordingly. The receive unit can switch between different protocols based on what is available, enabling flexible interoperability while allowing each vendor to optimize their specific protocol implementation
2Productivity
If a separate receive unit is used for wireless power transfer, then power transfer capability is achieved, but device complexity increases due to the need for an additional external component
Solution Approach 1:
The wireless power receive unit integrates multiple functions including control channel communication, power reception, and device control capabilities into a single unified device. This consolidation eliminates the need for separate external components while maintaining full wireless power transfer functionality and protocol compatibility
Solution Approach 2:
The receive unit serves multiple purposes: it communicates control signals, receives wireless power, and can control various device functions (display, audio, camera, etc.). This multi-functionality reduces the need for separate dedicated components, simplifying the overall system structure while achieving comprehensive power transfer capability
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 seamless communication and efficient wireless power transfer between devices from different vendors by identifying and configuring the appropriate control channel protocol, ensuring compatibility and reliability across different wireless power systems.
Implementation Method 1
The primary method of energy transfer is inductive coupling
Data Source
AI summary
A device includes an integrated power receive circuit, a battery charger, a battery, a processing module, one or more input/output modules, and one or more circuit modules. The integrated power receive circuit is operable to generate a DC voltage from a received magnetic field in accordance with a control signal. The battery charger is operable to convert the DC voltage into a battery charge voltage. The battery is coupled to the battery charger in a first mode and is coupled to supply power in a second mode. The processing module is operable to: generate the control signal based on desired electromagnetic properties of at least one of the received magnetic field and the integrated power receive circuit; process outbound data to produce processed outbound data; and process inbound data to produce processed inbound data.