Mobile Inductive Charging via Bluetooth Proximity Detection
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Solution Overview
Problem
Smaller mobile devices face challenges in charging due to size constraints, which limit the space for wired charging components and make them less likely to be removed from their housing for charging.
Innovation Solution
Inductive charging is enabled between a first mobile device connected to a power source and a second mobile device, using wireless communication protocols like Bluetooth, NFC, or BLE to transfer charging signals and energy, allowing for wireless power transfer without the need for physical connections.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If wired charging components are used in smaller mobile devices, then charging reliability is improved, but device size and complexity increase
Solution Approach 1:
The patent replaces the mechanical wired charging system with an inductive wireless charging system. The transmitting device generates an electromagnetic field that inductively couples with the receiving device to transfer power, eliminating the need for physical charging ports and cables in the smaller mobile device.
Solution Approach 2:
The patent enables the smaller mobile device to function as both a receiving device for wireless charging and a transmitting device to charge other devices. This multi-functionality allows the device to provide charging services to larger devices without requiring dedicated wired charging components.
2Ease of operation
If wired charging components are installed, then charging capability is improved, but ease of operation deteriorates due to devices being less likely to be removed from housing
Solution Approach 1:
The patent replaces mechanical connection-based charging with contactless inductive charging. Users simply place devices near each other to initiate charging, eliminating the need to physically connect cables or remove devices from housing, thereby improving ease of operation.
Solution Approach 2:
The patent implements automatic charging initiation through device proximity detection and wireless communication protocols. When devices are brought near each other, the system automatically negotiates and begins charging without requiring manual intervention, making the charging process more convenient.
3Ease of operation
If inductive charging is implemented, then ease of operation is improved, but energy efficiency may worsen due to wireless transmission losses
Solution Approach 1:
The patent implements bidirectional communication between transmitting and receiving devices to continuously monitor charging status, power transfer efficiency, and device conditions. This feedback mechanism allows the system to dynamically adjust transmission parameters to optimize energy efficiency while maintaining wireless charging convenience.
Solution Approach 2:
The patent enables dynamic adjustment of charging parameters including power transmission level, frequency, and coupling strength based on real-time device conditions. This dynamic optimization helps minimize energy losses during wireless transmission while adapting to changing operational requirements.
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 allows for efficient and automatic wireless charging of smaller mobile devices when they are in proximity to larger devices, overcoming size limitations and user convenience issues related to traditional wired charging.
Implementation Method 1
inductive charging is enabled between a first mobile device connected to a power source and a second mobile device, using wireless communication protocols like Bluetooth, NFC, or BLE to transfer charging signals and energy, allowing for wireless power transfer
Data Source
AI summary
Using inductive currents to wirelessly charge a device via a device connected to a power source. This inductive charging may result when a first mobile device recognizes a second mobile device via a wireless connection (e.g., Bluetooth, Bluetooth Low Energy (BLE), Near-Field Communication (NFC), or the like). An application stored on the first mobile device may recognize a second mobile device by transmitting an advertising packet when the first mobile device is connected to a power source. An advertising packet may be received by the second mobile device and the second mobile device may transmit a response to the advertising packet in order to generate a connection between the first and second mobile devices. The response may include data such as, connection strength, response time, connection preferences, and the like. Upon detection and connection, the second mobile device may be wirelessly charged by the first device via inductive charging.