Removable Wireless Power Receiver for Mobile Portability

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Solution Overview

Problem

Conventional mobile device charging methods require devices to be tethered to a power source, limiting their portability during the charging process.

Innovation Solution

Development of removably attachable wireless power reception apparatuses with integrated antennas and electronic circuitry that convert RF power to DC power, allowing portable electronic devices to receive and store power wirelessly, maintaining portability during charging.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If conventional battery charging methods are used, then the device can be recharged, but the device becomes tethered to the wall and portability is lost

Engineering Contradiction:
Improvecharging capabilityVSAvoidportability
Core Design Contradiction:
ReliabilityVSEase of operation

Solution Approach 1:

The patent replaces the mechanical connection system (physical charging cable and port) with a wireless electromagnetic field-based power transfer system. The portable device includes a wireless power receiver that converts RF power to DC power without requiring physical connection to a power source, thereby eliminating the mechanical tethering while maintaining charging capability.

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

Solution Approach 2:

The patent introduces an intermediary wireless power receiver component that acts as a mediator between the RF power source and the device battery. This receiver converts RF power to DC power and provides it to the battery through a power interface port, enabling wireless power transfer while maintaining portability.

Inventive Principle:
Principle #24Intermediary (Mediator)

2Ease of operation

If a wireless power reception apparatus is added to maintain portability, then portability is maintained, but device complexity increases

Engineering Contradiction:
ImproveportabilityVSAvoiddevice structure
Core Design Contradiction:
Ease of operationVSDevice complexity

Solution Approach 1:

The patent segments the wireless power reception system into a separate removably attachable apparatus that can be detached when not needed. This allows the core device to remain simple while the wireless charging functionality is available as a separate module, reducing the complexity burden on the main device structure.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The wireless power reception apparatus is designed to be universally compatible and can serve multiple functions: wireless power reception, power conversion from RF to DC, and direct battery charging through a power interface port. This multi-functionality consolidates several operations into a single component, managing complexity through functional integration.

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

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 continuous portability of mobile devices while charging, as they can receive power from wireless charging systems without being physically connected to a power source, enhancing convenience and usability.

Implementation Method 1

The wireless power receiver is disposed within the housing and is configured to convert the received RF power to DC power

Methodology Applied
Scientific EffectElectromagnetic energy conversion: Electromagnetic Induction

Data Source

PatentUS10079494B2Removably attachable portable device apparatus with integrated wireless power receiving facilities
Publication Date: 2018.09.18 OSSIA INC
  • US10079494B2 patent drawing
  • US10079494B2 patent drawing
  • US10079494B2 patent drawing

AI summary

Embodiments of the present disclosure describe removably attachable portable device apparatuses with integrated wireless power receiving facilities (also referred to as wireless power reception apparatuses herein). In some embodiments, a wireless power reception apparatus for a portable electronic device is described. The wireless power reception apparatus can include a housing, one or more antennas, and a wireless power receiver. The housing is configured to be removably attachable to the portable electronic device. The one or more antennas are situated on or within the housing and are configured to receive wireless power from a wireless charging (or wireless power transmission) system. The wireless power receiver is disposed within the housing and is configured to process the wireless power received via the one or more antennas and provide the received power to the portable electronic device via a power interface port.