Interactive Scale Proximity Detection and Feedback

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Solution Overview

Problem

Current weight scales are basic, providing limited functionality and a cold, clinical user experience due to their hard materials and lack of interactive features, making them intimidating and difficult to use accurately.

Innovation Solution

An interactive scale with motion detection, visual and audio indicators, trend tracking, and wireless communication, featuring a display, load cells, proximity sensor, light sensor, microcontroller, and wireless transceiver to guide users and track weight changes over time, providing reminders and feedback.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Device complexity

If basic weight measurement functionality is provided, then the scale structure remains simple, but user experience becomes cold and clinical

Engineering Contradiction:
Improvescale structureVSAvoiduser experience
Core Design Contradiction:
Device complexityVSEase of operation

Solution Approach 1:

The patent implements feedback mechanisms including visual indicators (LED lights) that illuminate to guide users onto the scale, audio indicators that provide verbal feedback, and a display that shows weight measurements. These feedback elements transform the cold, clinical experience into an interactive and engaging user experience while maintaining relatively simple scale structure.

Inventive Principle:
Principle #23Feedback

2Loss of information

If a display is placed on top of the scale, then weight information is visible, but users must bend to read it

Engineering Contradiction:
Improveweight information visibilityVSAvoidreading convenience
Core Design Contradiction:
Loss of informationVSEase of operation

Solution Approach 1:

The patent positions the display on the front face of the scale rather than on top, changing the spatial dimension from vertical (top surface) to horizontal (front surface). This allows users to read the display at eye level without bending, while the weight information remains clearly visible through the display.

Inventive Principle:
Principle #17Another dimension (Dimensionality change)

3Ease of operation

If motion detection and interactive features are added, then user interaction is enhanced, but device complexity increases

Engineering Contradiction:
Improveuser interactionVSAvoidscale functionality
Core Design Contradiction:
Ease of operationVSDevice complexity

Solution Approach 1:

The patent replaces complex mechanical interaction systems with electronic and optical systems. Motion detection is achieved through optical sensors rather than mechanical switches, and user interaction is facilitated through electronic displays and audio indicators rather than mechanical feedback mechanisms. This substitution enhances user interaction while keeping the overall device complexity manageable.

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

Transforms the user experience by making the scale more intuitive and engaging, allowing for accurate weight tracking and trend analysis, enhancing user interaction and perception, and providing valuable feedback on weight changes.

Implementation Method 1

The scale may provide motion sensing ability. For example, when the scale detects motion within a certain distance, the scale may become active or wakes up.

Methodology Applied
Scientific EffectProximity detection: Radar

Implementation Method 2

The scale may provide detection of ambient light to determine if the room is dark or light

Methodology Applied
Scientific EffectLight detection: Photoelectric Effect

Implementation Method 3

The scale may provide a display, load cells, proximity sensor, light sensor, microcontroller, wireless transceiver, audio indicator(s) and/or visual indicator(s)

Methodology Applied
Scientific EffectWeight measurement: Gravitation

Data Source

PatentUS9766117B2Interactive scale with proximity detector
Publication Date: 2017.09.19 UNIV HOUSTON SYST
  • US9766117B2 patent drawing
  • US9766117B2 patent drawing
  • US9766117B2 patent drawing

AI summary

An interactive scale may provide a display, load cells, proximity sensor, light sensor, microcontroller, wireless transceiver, audio indicator(s) and/or visual indicator(s). The interactive scale may provide a variety of features, including proximity detection, detection of lighting conditions, wireless data communication, data tracking, and visual/audio indicator(s) that aid in utilizing the scale.