Connected Exercise Device Strain Gauge Resistance Tracking

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Solution Overview

Problem

Existing resistance band exercise devices lack the ability to accurately measure and track resistance, repetitions, and user exertion, and do not allow connectivity with electronic devices for monitoring and community engagement.

Innovation Solution

A connected exercise device that uses strain gauges and wireless connectivity to measure resistance, track workouts, and connect with smart devices and cloud services, enabling precise tracking and community sharing.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Measurement precision

If resistance bands are used to provide variable resistance load, then physical workout is achieved, but accurate measurement of resistance and exertion cannot be provided

Engineering Contradiction:
Improveresistance measurement accuracyVSAvoidmeasurement system complexity
Core Design Contradiction:
Measurement precisionVSDevice complexity

Solution Approach 1:

The patent replaces manual mechanical measurement methods with electronic strain gauges and sensors that automatically detect and measure resistance forces. The strain gauges convert mechanical stress into electrical signals, enabling precise digital measurement of resistance during exercise without requiring manual intervention or complex mechanical measurement systems.

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

Solution Approach 2:

The patent introduces wireless communication modules and cloud-based platforms as intermediaries between the exercise device and external systems. These intermediaries enable data transmission, processing, and sharing without requiring direct physical connection between all components, simplifying the overall system architecture while maintaining measurement accuracy.

Inventive Principle:
Principle #24Intermediary (Mediator)

2Measurement precision

If manual tracking of repetitions and resistance is required, then device simplicity is maintained, but accurate monitoring and recording of exercise metrics is not achieved

Engineering Contradiction:
Improveexercise metric tracking accuracyVSAvoiduser operation simplicity
Core Design Contradiction:
Measurement precisionVSEase of operation

Solution Approach 1:

The patent implements self-service functionality where the device automatically performs measurement, data collection, and tracking of exercise metrics without requiring user intervention. The strain gauges continuously monitor resistance, the microcontroller automatically counts repetitions and calculates exercise data, and wireless modules autonomously transmit information to external devices, eliminating the need for manual tracking while maintaining high accuracy.

Inventive Principle:
Principle #25Self-service

Solution Approach 2:

The patent incorporates real-time feedback mechanisms where the device continuously monitors exercise parameters and provides immediate feedback to the user through displays or mobile applications. This feedback loop enables automatic adjustment and tracking of exercise metrics, improving measurement precision while keeping the user interface simple and intuitive.

Inventive Principle:
Principle #23Feedback

3Adaptability or versatility

If connectivity features are added to enable tracking and community engagement, then user engagement is improved, but device complexity increases

Engineering Contradiction:
Improveconnectivity and gamification capabilityVSAvoidsystem integration complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The patent implements multi-functionality by integrating multiple capabilities into a single device platform, including strain measurement, wireless communication, data cloud synchronization, social media integration, and gamification features. This universal approach allows the device to perform diverse functions without requiring separate systems, improving adaptability while managing complexity through unified architecture.

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

Solution Approach 2:

The patent uses cloud-based platforms and wireless communication modules as intermediaries to connect the exercise device with external services and communities. These intermediaries handle complex data transmission, processing, and integration tasks remotely, reducing the complexity burden on the device itself while enabling rich connectivity and gamification features.

Inventive Principle:
Principle #24Intermediary (Mediator)

4Measurement precision

If variable resistance bands are used, then exercise effectiveness is improved, but tracking of exact weight and power exerted is not possible

Engineering Contradiction:
Improveweight and power measurement accuracyVSAvoidresistance detection difficulty
Core Design Contradiction:
Measurement precisionVSDifficulty of detecting and measuring

Solution Approach 1:

The patent replaces mechanical resistance estimation methods with electronic strain gauge measurements that directly detect force and power. The strain gauges convert mechanical stress from resistance band tension into precise electrical signals, enabling accurate digital measurement of weight and power exerted during exercise without the difficulties of mechanical detection.

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

Solution Approach 2:

The patent utilizes the relationship between strain, force, and electrical resistance changes in strain gauges to measure mechanical parameters. By monitoring changes in electrical resistance caused by mechanical deformation, the system accurately determines the force and power exerted during exercise, transforming difficult-to-measure mechanical parameters into easy-to-measure electrical parameters.

Inventive Principle:
Principle #35Parameter changes

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

Provides accurate measurement and tracking of resistance and user exertion, allowing users to monitor progress and engage with a community, enhancing the exercise experience through interconnectivity and gamification.

Implementation Method 1

A connected exercise device that uses strain gauges and wireless connectivity to measure resistance

Methodology Applied
Scientific EffectStrain gauge: Piezoresistive Effect

Data Source

PatentUS20230398397A1Connected exercise device
Publication Date: 2023.12.14 GORILLA BOW LLC
  • US20230398397A1 patent drawing
  • US20230398397A1 patent drawing
  • US20230398397A1 patent drawing

AI summary

The connected exercise device includes a main body member that receives resistance bands attached thereto where the main body member is flexed during such use. The main body member includes a preferably tubular configuration for slidably receiving a force sensing member that is interconnected to the main body member. At least one strain gauge attached to the force sensing member, which provides a live real time output signal associated with the force sensed by the at least one strain gauge due to the flexing of the main body member. Electronic circuitry is configured and arranged for wirelessly transmitting the output signal to an external computing device for use by the user for enhanced understanding of use of the connected exercise device.