Wireless Motion Capture Element with Mobile Integration
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Solution Overview
Problem
Existing motion capture systems are limited by accuracy, power usage, and functionality, lacking integration with mobile devices for real-time analysis and comparison of motion data, and do not enable data mining or seamless integration with various equipment, leading to inadequate monitoring and feedback in healthcare, sports, and other applications.
Innovation Solution
A system and method utilizing portable wireless motion capture elements, such as visual markers and RFID tags, integrated with mobile devices to analyze and display motion capture data, enabling comparison with previous patterns, data mining, and seamless integration with equipment, providing enhanced accuracy, power efficiency, and expanded communication capabilities.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If traditional motion capture systems are used, then motion data can be captured, but accuracy and measurement precision are limited
Solution Approach 1:
The patent combines multiple motion capture technologies (visual markers, RFID tags, accelerometers, gyroscopes, magnetometers) into a single integrated motion capture element. This merging of multiple sensing modalities enables cross-validation and complementary measurements, thereby improving both accuracy and reliability of motion data capture simultaneously.
Solution Approach 2:
The motion capture element is designed as a universal device that can be integrated with various equipment (golf clubs, tennis racquets, medical devices) and performs multiple functions including motion tracking, orientation detection, and data transmission. This multi-functionality allows the same device to achieve high measurement precision across different applications while maintaining reliability through consistent performance standards.
2Use of energy by moving object
If traditional motion capture systems are used, then motion data can be captured, but power consumption is high
Solution Approach 1:
The motion capture element employs periodic sampling of motion data rather than continuous measurement. The device captures motion parameters at specific intervals determined by the type of motion being tracked, reducing power consumption while maintaining adequate measurement frequency for the application. This periodic action extends operational duration on battery power.
Solution Approach 2:
The device includes energy harvesting capabilities and intelligent power management that automatically adjusts sampling rates and transmission frequency based on detected motion levels and battery status. The system self-optimizes its power consumption patterns to extend operational duration without external intervention.
3Adaptability or versatility
If traditional motion capture systems are used, then basic motion tracking is possible, but functionality is limited
Solution Approach 1:
The motion capture element is designed as a universal platform that can be integrated with various equipment (golf clubs, tennis racquets, medical devices, rehabilitation equipment) and performs multiple functions including motion tracking, orientation detection, force measurement, and wireless data transmission. This multi-functionality achieves high adaptability while managing complexity through standardized integration interfaces.
Solution Approach 2:
The system architecture segments functionality into modular components: the motion capture element handles sensing, the mobile device handles processing and analysis, and cloud services handle data storage and advanced analytics. This segmentation allows each component to be optimized independently, achieving high overall functionality without excessive complexity in any single component.
4Loss of information
If motion capture data is captured and stored, then analysis can be performed, but data security and privacy protection are challenging
Solution Approach 1:
The system introduces mobile devices and cloud platforms as intermediary layers between the motion capture elements and end users. These intermediaries handle data encryption, secure transmission, and controlled access, thereby protecting data security and privacy without requiring complex security implementations in the simple motion capture elements themselves.
Data Source
AI summary
Motion capture element for low power and accurate data capture for use in healthcare compliance, sporting, gaming, military, virtual reality, industrial, retail loss tracking, security, baby and elderly monitoring and other applications for example obtained from a motion capture element and relayed to a database via a mobile phone. System obtains data from motion capture elements, analyzes data and stores data in database for use in these applications and/or data mining, which may be charged for. Enables unique displays associated with the user, such as 3D overlays onto images of the user to visually depict the captured motion data. Ratings, compliance, ball flight path data can be calculated and displayed, for example on a map or timeline or both. Enables performance related equipment fitting and purchase. Includes active and passive identifier capabilities.