RF Wireless Charging System for Portable Terminals
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Solution Overview
Problem
Conventional wireless charging technologies for portable terminals lack user-friendliness, requiring manual intervention and not specifying a convenient method for charging these devices.
Innovation Solution
A method and system using Radio Frequency (RF) for wirelessly charging portable terminals, which detects and selects devices within a predetermined area, requests necessary information, and transmits charging RF signals based on received requirements, allowing automatic and efficient battery charging.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If conventional wireless charging technology is used, then wireless charging capability is provided, but user-friendliness and convenience are insufficient
Solution Approach 1:
The portable terminal automatically performs charging without user intervention by detecting its own battery level, selecting appropriate charging parameters, and initiating the wireless charging process autonomously when entering the charging area
Solution Approach 2:
The system pre-configures charging parameters and automatically prepares the charging environment before the user needs it, detecting the terminal's entry into the charging area and initiating charging procedures in advance
2Productivity
If manual intervention is required for wireless charging, then charging control is possible, but convenience and speed are reduced
Solution Approach 1:
The portable terminal autonomously monitors its battery level, determines when charging is needed, and initiates the charging process without requiring user action, eliminating the time loss associated with manual intervention
3Ease of operation
If wireless charging is provided without specifying a method, then charging capability is available, but user convenience is not optimized
Solution Approach 1:
The system continuously monitors battery level, charging status, and terminal position, using this feedback to automatically adjust charging parameters and maintain optimal charging conditions throughout the process
Solution Approach 2:
The system pre-establishes charging protocols and parameters based on detected terminal characteristics and battery requirements, ensuring reliable charging from the outset without requiring user configuration
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 convenient and efficient wireless charging of portable terminals by automating the charging process, ensuring timely and fast battery replenishment without user intervention, particularly when the battery level falls below a predetermined threshold.
Implementation Method 1
transmits a predetermined RF for charging to the selected portable terminal
Data Source
AI summary
A method for wirelessly charging a portable terminal using a Radio Frequency (RF) is provided. A charging system detects one or more portable terminals within a predetermined area, and preferably requests information needed for charging to the one or more portable terminals via short-range communication, receives the information in response needed for charging from each of the one or more portable terminals. A portable terminal to be wirelessly charged from among the one or more portable terminals is selected, based on the received information needed for charging, and the charging system transmits a predetermined RF for charging to the selected portable terminal.