Exercise Bar With Integrated Sensor For Real-Time Feedback

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Solution Overview

Problem

Conventional exercise devices lack real-time feedback and display capabilities, providing unsatisfactory sensory feedback to exercisers during their workouts.

Innovation Solution

An improved exercise bar equipped with a sensor to measure strain and a processor to communicate exercise information wirelessly, allowing for real-time feedback and data display on a remote client device.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Loss of information

If conventional exercise devices are used, then the device structure remains simple, but real-time feedback and sensory feedback capabilities are lacking

Engineering Contradiction:
Improveexercise feedback informationVSAvoidexercise bar structure
Core Design Contradiction:
Loss of informationVSDevice complexity

Solution Approach 1:

The sensor and processor are nested within the handle tube structure. The sensor is disposed on the center shaft which is fitted through the longitudinal interior bore of the handle tube, and the processor is disposed in the interior of the exercise bar, creating a compact integrated system that adds feedback functionality without significantly increasing external dimensions

Inventive Principle:
Principle #7Nested doll (Nesting)

Solution Approach 2:

The sensor acts as an intermediary element that converts mechanical strain during exercise into electrical signals that can be processed and transmitted. This intermediary conversion enables the transition from mechanical exercise data to actionable feedback information without requiring complex direct measurement systems

Inventive Principle:
Principle #24Intermediary (Mediator)

2Measurement precision

If no sensor is added to the exercise bar, then the device remains simple, but exercise information cannot be captured or measured

Engineering Contradiction:
Improvestrain measurement capabilityVSAvoidsensor integration
Core Design Contradiction:
Measurement precisionVSDevice complexity

Solution Approach 1:

The sensor is disposed on the center shaft which naturally experiences strain during exercise performance. The sensor leverages the self-service principle by utilizing the inherent mechanical stress and deformation of the center shaft during use to generate measurement data without requiring external measurement apparatus

Inventive Principle:
Principle #25Self-service

Solution Approach 2:

The patent replaces complex mechanical strain measurement systems with an electronic sensor that converts mechanical strain into electrical signals. This substitution simplifies the measurement process while improving precision, as the sensor can accurately detect and transmit strain data without requiring complex mechanical linkages or gauges

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

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 exercise bar provides stable variable resistance and real-time feedback, enhancing exercise performance and allowing users to review historical data for improved training regimens.

Implementation Method 1

a sensor disposed on a mounting section of the outer surface of the center shaft between the first end portion and second end portion of the center shaft

Methodology Applied
Scientific EffectStrain gauge measurement: Piezoresistive Effect

Data Source

PatentEP4412736B1Exercise bar for providing sensory feedback
Publication Date: 2025.04.23 JAQUISH BIOMEDICAL CORP
  • EP4412736B1 patent drawingFigure 1
  • EP4412736B1 patent drawingFigure 2A
  • EP4412736B1 patent drawingFigure 2B

AI summary

An exercise bar is provided. The exercise bar includes a handle tube with a longitudinal interior bore. The handle tube has a first end and a second end. A center shaft has an outer surface. The center shaft is fitted through the longitudinal interior bore exposing a first end portion of the center shaft at the first end of the handle tube and exposing a second end portion of the center shaft at the second end of the handle tube. A sensor is disposed on a mounting section of the outer surface of the center shaft between the first and second portion of the center shaft. A processor is disposed in an interior of the exercise bar. The sensor is in electronic communication with the processor in the exercise bar.