Multi-mode Transmitter for Wireless Power via 3D Energy Pockets
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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 are wasteful due to energy attenuation with distance, and often hazardous or interfere with other devices.
Innovation Solution
A transmitter that creates a three-dimensional pocket of energy using RF signal waves, allowing receivers to capture and convert this energy into electricity for charging devices without physical connection, using algorithms to direct and control the waveform for efficient energy transfer.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If electromagnetic signals are transmitted over distance for wireless power transmission, then wireless power transmission is enabled, but energy is attenuated proportional to the square of the distance causing inefficiency and waste
Solution Approach 1:
The patent creates localized three-dimensional pockets of electromagnetic energy at specific spatial locations where receivers are positioned. Instead of broadcasting energy uniformly in all directions, the system concentrates energy locally at target positions using phase and amplitude control of multiple antenna elements, thereby enabling wireless power transmission while minimizing energy loss to attenuation.
Solution Approach 2:
The patent transitions from traditional two-dimensional planar antenna arrays to three-dimensional volumetric energy pockets. By utilizing three-dimensional spatial positioning of antenna elements and creating volumetric pockets of energy rather than planar wavefronts, the system achieves more efficient energy concentration and transmission to receivers located at various positions in three-dimensional space.
2Power
If high transmission power is used to overcome energy attenuation over distance, then received signal power is sufficient, but energy waste increases and hazards to living tissue and interference with other devices occur
Solution Approach 1:
The system transmits electromagnetic energy at low power levels over extended periods, concentrating energy locally at receiver positions through coherent combining of signals from multiple antenna elements. This approach delivers sufficient power to receivers while maintaining low instantaneous transmission power levels that avoid hazards to living tissue and interference with other electronic devices.
Solution Approach 2:
The patent employs continuous low-power transmission with periodic modulation and coherent signal combining at the receiver. By transmitting continuously at low power and using constructive interference to accumulate energy at the receiver, the system achieves sufficient received power without the hazards associated with high-power pulsed transmission.
3Ease of operation
If traditional wireless power transmission is used, then power can be transmitted wirelessly, but the system is cumbersome requiring direct connection to power sources and frequent recharging
Solution Approach 1:
The patent replaces mechanical connection systems (physical plugs and sockets requiring direct connection to power sources) with electromagnetic field-based wireless energy transfer. Receivers embedded in electronic devices capture energy from three-dimensional electromagnetic pockets without any physical connection, eliminating the need for plugging and unplugging chargers and enabling continuous operation.
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 safe wireless power transmission to multiple devices, reducing energy waste and eliminating the need for direct connection, while adapting to device movement and location changes.
Implementation Method 1
A transmitter that creates a three-dimensional pocket of energy using RF signal waves, allowing receivers to capture and convert this energy into electricity
Data Source
AI summary
An apparatus for wireless power transmission is provided. The apparatus comprises a transmitter comprising a first antenna element and a second antenna element. The transmitter is configured to emit a first signal by the first antenna element and a second signal by the second antenna element. The first signal comprises a plurality of wireless power waves establishing a pocket of energy. The second signal is different from the first signal. The second signal provides Wi-Fi access.