Optical Wireless Power Beam Supervision for Flexible Safety Response
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Solution Overview
Problem
Current wireless power transmission systems for portable devices are limited in range, efficiency, and safety, particularly in dynamic environments, as they often shut down in response to non-critical situations, leading to energy loss and inefficiency, and lack comprehensive safety features for public use.
Innovation Solution
The development of a dynamic wireless power transmission system that reacts to changing environments and situations by adjusting system parameters, detecting non-critical events, and implementing flexible responses to maintain continuous operation and safety, including misuse and abuse scenarios, using a combination of sensors and algorithms to manage energy usage and adapt to various conditions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the system shuts down in response to critical events to ensure safety, then safety is improved, but productivity and energy efficiency deteriorate due to unnecessary shutdowns in non-critical situations
Solution Approach 1:
The patent segments the safety response system into multiple hierarchical levels: critical event detection (immediate shutdown), non-critical event detection (flexible responses), and routine monitoring. This segmentation allows the system to apply appropriate response strategies to different event types, preventing unnecessary shutdowns while maintaining safety for truly critical events.
Solution Approach 2:
The system dynamically adjusts its response based on the nature and severity of detected events. Rather than a static shutdown threshold, the system evaluates event characteristics and selects from multiple response options (shutdown, power reduction, beam deflection, alert generation), enabling continuous operation during non-critical situations while ensuring safety during critical events.
2Power
If the system uses high-power lasers to provide adequate power over long ranges, then power transmission capability is improved, but safety risks worsen due to potential exposure to hazardous radiation
Solution Approach 1:
The patent introduces multiple intermediary safety mechanisms between the high-power laser and potential targets: real-time beam monitoring systems, automated beam deflection devices, and controlled shutdown mechanisms. These intermediaries enable the system to transmit high power when needed while providing layers of protection against radiation exposure risks.
Solution Approach 2:
The system implements comprehensive feedback loops that continuously monitor beam parameters, environmental conditions, and safety sensor data. This feedback enables real-time adjustments to power levels and beam direction, allowing high-power operation under controlled conditions while automatically reducing power or deflecting the beam when safety thresholds are approached.
3Reliability
If the system implements comprehensive safety monitoring for all events, then safety coverage is improved, but device complexity worsens due to multiple sensors and response mechanisms
Solution Approach 1:
The patent applies different monitoring and response strategies to different spatial and operational zones. Critical safety parameters receive intensive monitoring with immediate shutdown responses, while non-critical parameters use lighter monitoring with flexible responses. This local differentiation provides comprehensive safety coverage without uniformly complexifying the entire system.
Solution Approach 2:
The system incorporates automated self-diagnosis and self-response capabilities that reduce the need for complex external monitoring. Sensors detect events and automatically trigger appropriate responses without requiring complex centralized control, simplifying the overall system architecture while maintaining comprehensive safety coverage.
4Speed
If the system responds immediately to critical events, then response time is improved, but energy efficiency worsens due to shutdowns during non-critical situations
Solution Approach 1:
The patent applies partial action by responding with the minimum necessary intervention for each event type. For non-critical events, the system uses partial responses (alerts, logging, or minor adjustments) rather than full shutdowns. For critical events, immediate full shutdown is applied. This differentiated approach maintains fast response times for safety-critical situations while preserving energy efficiency during routine operations.
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
The system ensures efficient and safe operation in diverse environments, preventing unnecessary shutdowns, reducing the risk of unwanted situations, and complying with regulatory standards, enabling the use of high-power lasers for public wireless charging without exposing users to hazardous radiation.
Implementation Method 1
a transmitter comprising a laser beam generator, the transmitter adapted to transmit the wireless power to at least one receiver configured to convert the laser beam into electrical power
Data Source
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AI summary
A safety supervision system for wireless power transmission, comprising a transmitter having an optical beam generator with safe states for transmitting power to receivers that convert the beam into electrical power. The system control unit stores previously known signatures categorized by predetermined parameters associated with one or more unwanted situations, stores data from sensors, compares this stored data to the signatures, and executes one or more responses based on this comparison. The system may comprise transmitter and/or receiver malfunction detection systems adapted to monitor the transmitter and receiver control units and to cause the optical beam generator to switch to a safe state upon detection of a transmitter or receiver control unit malfunction, and may further comprise a hazard detection system preventing human exposure to beam intensity above a predefined safe level.