Wireless Power Transmitter Network for Energy Pocket Formation

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Solution Overview

Problem

Current wireless power transmission methods are inefficient and cumbersome, requiring direct connection to power sources, frequent recharging, and often wasteful in energy transmission, with directional methods needing precise device location and being susceptible to interference and attenuation.

Innovation Solution

A system that uses transmitters to create three-dimensional pockets of energy through controlled RF signal waves, allowing receivers to harvest power wirelessly by locating and communicating with devices in a wireless power network, enabling simultaneous and efficient charging of multiple devices without physical connection.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If electromagnetic signals are transmitted over large distances to charge devices wirelessly, then wireless charging capability is improved, but energy transmission efficiency deteriorates due to signal attenuation proportional to the square of the distance

Engineering Contradiction:
Improvewireless charging capabilityVSAvoidenergy transmission efficiency
Core Design Contradiction:
Ease of operationVSLoss of energy

Solution Approach 1:

The system segments the wireless power transmission task by introducing multiple transmitter nodes that work cooperatively. Instead of relying on a single transmitter to cover large distances with high power (which causes energy loss), the network divides the transmission responsibility across multiple nodes, each operating at lower power levels while maintaining overall transmission efficiency through coordinated communication and signal combining.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The patent introduces intermediary components including relay nodes and signal processing units that mediate between the power source and the receiving device. These intermediaries receive, process, amplify, and forward power signals through optimized paths, reducing the direct transmission distance and associated energy losses while enabling wireless charging over practical distances.

Inventive Principle:
Principle #24Intermediary (Mediator)

2Length of stationary object

If transmitted power is boosted to increase received signal power over useful distances, then wireless transmission range is improved, but energy wastage and interference with electronic devices worsens

Engineering Contradiction:
Improvetransmission rangeVSAvoidenergy wastage
Core Design Contradiction:
Length of stationary objectVSLoss of energy

Solution Approach 1:

The system implements local quality optimization by having each transmitter node transmit power at appropriate local power levels based on its specific distance to the receiver and channel conditions. The network dynamically adjusts transmission parameters locally at each node rather than using a uniform high-power transmission approach, thereby extending range while minimizing energy wastage and interference in any given location.

Inventive Principle:
Principle #3Local quality

Solution Approach 2:

The patent employs dynamic power adjustment where transmission power levels are continuously adapted based on real-time feedback about receiver position, channel conditions, and power requirements. This dynamic control allows the system to extend transmission range when needed while reducing power when the receiver is close or conditions are favorable, thus avoiding energy wastage and interference.

Inventive Principle:
Principle #15Dynamics

3Loss of energy

If directional power transmission is used to enhance transmission efficiency, then energy transmission efficiency is improved, but device location precision requirements and susceptibility to interference worsens

Engineering Contradiction:
Improvetransmission efficiencyVSAvoiddevice location precision
Core Design Contradiction:
Loss of energyVSMeasurement precision

Solution Approach 1:

The system merges multiple transmission paths and signals from different transmitter nodes to achieve both efficiency and robustness. By combining signals from multiple directions and sources, the network maintains high transmission efficiency through coordinated beamforming while reducing susceptibility to interference and eliminating the need for extremely precise single-path alignment, thereby relaxing location precision requirements.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The patent implements feedback mechanisms where receivers continuously report their position, received signal quality, and power needs to the network. Transmitters use this feedback to dynamically adjust their transmission directions, power levels, and timing, achieving efficient directional transmission adaptively without requiring预先 precise knowledge of receiver location, thus reducing the burden of measurement precision while maintaining efficiency.

Inventive Principle:
Principle #23Feedback

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 efficient and convenient wireless power delivery to multiple devices by creating focused energy pockets, reducing energy wastage and interference, and allowing charging without the need for precise device positioning.

Implementation Method 1

transmitting a power transmission signal comprising a plurality of electromagnetic signals

Methodology Applied
Scientific EffectElectromagnetic radiation: Electromagnetic Induction

Implementation Method 2

the plurality of electromagnetic signals interfere constructively to form a pocket of energy

Methodology Applied
Scientific EffectConstructive interference: Interference

Data Source

PatentUS9866279B2Systems and methods for selecting which power transmitter should deliver wireless power to a receiving device in a wireless power delivery network
Publication Date: 2018.01.09 ENERGOUS CORP
  • US9866279B2 patent drawing
  • US9866279B2 patent drawing
  • US9866279B2 patent drawing

AI summary

The embodiments described herein include a transmitter that transmits a power transmission signal (e.g., radio frequency (RF) signal waves) to create a three-dimensional pocket of energy. At least one receiver can be connected to or integrated into electronic devices and receive power from the pocket of energy. A wireless power network may include a plurality of wireless power transmitters each with an embedded wireless power transmitter manager, including a wireless power manager application. The wireless power network may include a plurality of client devices with wireless power receivers. Wireless power receivers may include a power receiver application configured to communicate with the wireless power manager application. The wireless power manager application may include a device database where information about the wireless power network may be stored.