Wireless Resonance Energy Link for Notebook PC Charging

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Solution Overview

Problem

There is a need for efficient wireless charging solutions for Personal Computer (PC) platforms and peripherals, particularly in scenarios where traditional wired charging is not feasible, due to the inefficiency of radiative wireless energy transfer methods and the importance of portability in modern computing environments.

Innovation Solution

The implementation of a Wireless Resonance Energy Link (WREL) technology that allows for wireless charging of peripheral devices, such as smartphones, from notebook PCs using a Quarter Torpid Coil (QTC) design, enabling charging in close proximity without the need for physical electrical conductors, with intelligent software for power management and real-time feedback.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Use of energy by moving object

If radiative wireless energy transfer is used, then wireless charging is achieved, but energy efficiency deteriorates due to power loss in free space

Engineering Contradiction:

Improvewireless charging capabilityVSAvoidpower radiated away in all directions

Core Design Contradiction:

Use of energy by moving objectVSLoss of energy

Solution Approach 1:

The patent changes the fundamental parameter of energy transfer from radiative (far-field) to non-radiative (near-field) wireless power transfer. This involves operating in the near-field region where evanescent electromagnetic waves can be coupled directly between transmitter and receiver, dramatically reducing energy loss to free space and improving overall energy efficiency.

Inventive Principle:

Principle #35Parameter changes

Solution Approach 2:

The patent introduces an intermediary coupling mechanism between the power source and device being charged. Instead of direct radiative transfer, the system uses near-field electromagnetic coupling as an intermediary, allowing energy to be transferred through a controlled field region rather than being radiated into uncontrolled free space.

Inventive Principle:

Principle #24Intermediary (Mediator)

2Reliability

If traditional wired charging is used, then reliable power transfer is achieved, but portability and convenience deteriorate due to physical connection requirements

Engineering Contradiction:

Improvepower transfer reliabilityVSAvoidportability and charging convenience

Core Design Contradiction:

ReliabilityVSEase of operation

Solution Approach 1:

The patent replaces the mechanical connection system (physical cables and connectors) with a non-mechanical electromagnetic field-based power transfer system. This substitution maintains reliable power transfer through controlled near-field coupling while eliminating the need for physical connections, thereby improving portability and ease of operation.

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

3Loss of energy

If non-radiative wireless power transfer is implemented, then energy efficiency is improved, but device compatibility and versatility worsen due to proximity requirements

Engineering Contradiction:

Improvepower transfer efficiencyVSAvoidcharging position flexibility

Core Design Contradiction:

Loss of energyVSAdaptability or versatility

Solution Approach 1:

The patent implements dynamic positioning and orientation capabilities that allow the system to adapt to different charging scenarios. The near-field coupling mechanism can dynamically adjust to maintain optimal energy transfer efficiency across a range of positions and orientations, improving versatility while maintaining energy efficiency.

Inventive Principle:

Principle #15Dynamics

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 multiple devices, including smartphones and other peripherals, by utilizing a wireless resonance energy link between a notebook PC and devices, providing positional flexibility and intelligent power control, thereby addressing the inefficiencies of traditional radiative transfer methods.

Implementation Method 1

Energy or power may be transferred wirelessly using a variety of known radiative, or far-field, and non-radiative, or near-field, techniques

Methodology Applied

Scientific EffectElectromagnetic induction: Electromagnetic Induction

Implementation Method 2

wireless resonance energy link

Methodology Applied

Scientific EffectResonance: Resonance

Data Source

PatentUS9853480B2Apparatus, systems and methods for wireless charging for PC platforms and peripherals

Publication Date: 2017.12.26 TAHOE RES LTD

AI summary

Disclosed is a wireless charging device for charging electronic devices placed within proximity of the transmitter of the wireless charging device. The wireless charging device includes an inductive coupler, a reflected power detector, a power source and a power control system. The inductive coupler is configured to charge at least one electronic device present in the charging area. The inductive coupler takes power form the power source. The inductive coupler is also capable of communicating with electronic devices being charged to exchange a set of information. In addition to notebook PCs, this solution can be extended to desktop and tablet PCs, slates and office furniture as pervasive means of wireless charging multiple devices.