Wireless Charging Unit With Perpendicular Coupler Antenna

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Solution Overview

Problem

The integration of electrodes and coupler antennas in thinner devices is physically limited by space constraints and generates interference with wireless charging and connectivity, affecting efficiency.

Innovation Solution

A wireless charging unit with an integrated coupler antenna, utilizing a conductive chassis as a passive device electrode and a dielectric insert with a conductive plate as an active electrode, along with high-frequency filters to separate charging and data signals, allowing for efficient capacitive wireless charging and data transfer without added thickness or interference.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Length of moving object

If electrodes and coupler antennas are integrated into thinner devices, then device thickness is reduced, but space constraints and interference are generated affecting wireless charging and connectivity efficiency

Engineering Contradiction:
Improvedevice thicknessVSAvoidwireless charging and connectivity efficiency
Core Design Contradiction:
Length of moving objectVSReliability

Solution Approach 1:

The patent positions the coupler antenna perpendicular to the electrodes in the thickness direction, utilizing the third dimension (Z-axis) to separate the functional planes. This spatial arrangement allows both components to coexist in thin devices without significant interference, as the antenna operates in a different dimensional plane from the charging electrodes.

Inventive Principle:
Principle #17Another dimension (Dimensionality change)

Solution Approach 2:

The patent applies different material properties and structural characteristics to different regions: the coupler antenna uses conductive materials optimized for wireless connectivity, while the electrodes use materials optimized for capacitive charging. The perpendicular positioning creates distinct local zones with specialized properties that minimize mutual interference while maintaining各自的功能性能.

Inventive Principle:
Principle #3Local quality

2Adaptability or versatility

If coupler antennas and electrodes are integrated in the device, then wireless charging and connectivity functions are combined, but interference is generated affecting efficiency

Engineering Contradiction:
Improveintegration of wireless charging and connectivity functionsVSAvoidinterference affecting efficiency
Core Design Contradiction:
Adaptability or versatilityVSLoss of energy

Solution Approach 1:

By orienting the coupler antenna perpendicular to the electrode planes, the patent creates separate operational dimensions for data and power transmission. This spatial separation reduces electromagnetic coupling and interference between the two functions, allowing both to operate simultaneously with minimal energy loss.

Inventive Principle:
Principle #17Another dimension (Dimensionality change)

Solution Approach 2:

The patent introduces filtering circuits as intermediary components between the antenna and communication module, and between the electrodes and charging circuitry. These filters act as mediators that prevent interference signals from one subsystem from affecting the other, ensuring efficient operation of both integrated functions.

Inventive Principle:
Principle #24Intermediary (Mediator)

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 enables flexible positioning and high efficiency in wireless charging and connectivity, minimizing interference and maintaining charging power transfer while processing data signals effectively.

Implementation Method 1

a filter unit coupling the coupler antenna to the wireless communication module, the filter unit including a capacitor configured to provide an impedance to the data signal and the charging power, respectively

Methodology Applied
Scientific EffectImpedance: Electrical Impedance Tomography

Implementation Method 2

the filter unit including a capacitor configured to provide an impedance to the data signal and the charging power, respectively

Methodology Applied
Scientific EffectCapacitance: Capacitance

Data Source

PatentUS10084338B2Wireless charging unit and coupler based docking combo for a wireless device
Publication Date: 2018.09.25 INTEL CORP
  • US10084338B2 patent drawing
  • US10084338B2 patent drawing
  • US10084338B2 patent drawing

AI summary

Described herein are techniques related to one or more systems, apparatuses, methods, etc. for implementing a wireless charging and a wireless connectivity combo in a device.