Integrated Antenna System for Wireless Power and Data Transfer

Resolve Bottlenecks,
Find Innovative Solutions
Generate Solutions

Solution Overview

Problem

Consumer electronic devices face challenges in efficiently sharing power and communicating wirelessly between devices without the need for external ports or cables, especially in scenarios where battery levels differ significantly between devices.

Innovation Solution

The development of antenna systems within consumer electronic devices that enable wireless and inductive power transfer, as well as communication, using a frame-mounted power transfer antenna and low-power communication antennas, allowing for modular integration into various devices and enabling bidirectional power and data transfer over short distances.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If wireless and inductive power transfer is implemented between consumer electronic devices, then the need for external ports and cables is eliminated, but device complexity increases due to the integration of power transfer antennas and communication systems

Engineering Contradiction:
Improvewireless power transfer capabilityVSAvoidantenna system integration
Core Design Contradiction:
Ease of operationVSDevice complexity

Solution Approach 1:

The patent combines power transfer antenna and communication antenna into a single integrated antenna system that can perform both wireless power transfer and wireless communication functions. This merging reduces the need for separate external ports and cables while managing device complexity through functional integration.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The antenna system is designed to serve multiple functions: it can wirelessly transfer power between devices and simultaneously enable communication between devices. This multi-functionality eliminates the need for dedicated external ports for both power and data transfer, improving ease of operation.

Inventive Principle:
Principle #6Universality (Multi-functionality)

2Adaptability or versatility

If communication antennas are integrated into the antenna system, then communication capabilities are enabled over distances consistent with power transfer, but the device size increases

Engineering Contradiction:
Improvecommunication capabilityVSAvoiddevice size
Core Design Contradiction:
Adaptability or versatilityVSVolume of moving object

Solution Approach 1:

The patent integrates communication antennas within the same antenna system structure used for power transfer, allowing shared physical space and reducing overall device volume while maintaining both communication and power transfer capabilities.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The antenna system is configured to operate in the near field for both power transfer and communication, utilizing electromagnetic field characteristics that allow short-distance operation. This dimensional approach enables compact integration without requiring large antenna elements.

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

3Loss of energy

If the antenna system is designed for short-distance power transfer, then inductive coupling efficiency is improved, but the communication distance is limited to the same range

Engineering Contradiction:
Improveinductive coupling efficiencyVSAvoidcommunication distance
Core Design Contradiction:
Loss of energyVSLength of stationary object

Solution Approach 1:

The system uses periodic detection and establishment of communication couplings between antennas, allowing efficient inductive power transfer at short distances while maintaining communication capability within the same operational range. The periodic nature allows for optimized energy transfer at each coupling cycle.

Inventive Principle:
Principle #19Periodic action

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 wireless power transfer and communication between devices, reducing the need for external connections and allowing devices to operate independently with reduced size and increased convenience, while maintaining reliable communication and power distribution.

Implementation Method 1

the power transfer antenna is configured to enable at least one of wirelessly and inductively receive electrical power from another consumer electronic device and to wirelessly and inductively transmit electrical power to another consumer electronic device

Methodology Applied
Scientific EffectInductive coupling: Electromagnetic Induction

Implementation Method 2

the one or more communications antenna are configured to wirelessly transmit and receive communications with one or more other remote devices over distances consistent with those to achieve wireless and inductive electrical power transfer

Methodology Applied
Scientific EffectElectromagnetic radiation: Electromagnetic Induction

Data Source

PatentUS10965159B2Scalable antenna system
Publication Date: 2021.03.30 SONY GROUP CORP
  • US10965159B2 patent drawing
  • US10965159B2 patent drawing
  • US10965159B2 patent drawing

AI summary

Some embodiments providing antenna systems comprising: a frame; a power transfer antenna cooperated with the frame, wherein the power transfer antenna is configured to enable at least one of wirelessly and inductively receiving electrical power from another consumer electronic device and wirelessly and inductively transmitting electrical power to another consumer electronic device; one or more low power communications antennas cooperated with the frame and configured to wirelessly transmit and receive communications with one or more other remote consumer electronic devices; wherein the frame is configured to readily be positioned within and mounted with multiple different consumer electronic devices and provide the consumer electronic device within which it is mounted with wireless power transfer capabilities and communication capabilities with a separate consumer electronic device with which wireless power transfer is to occur.