Height adjustable support surface and system for encouraging human movement and promoting wellness

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Solution Overview

Problem

Conventional height-adjustable sit-stand desks lack intelligence and fail to adapt to user changes and environmental conditions, leading to inconsistent use and reduced health benefits due to lack of biometric data integration and adaptive operation.

Innovation Solution

A power-assisted sit-stand workstation with an electronic controller that uses user-profile information, biometric sensors, and environmental data to create a custom height-adjustment schedule, adapting to user fatigue and fitness levels, and encouraging regular use through sounds, lights, and feedback mechanisms.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If conventional height-adjustable sit-stand desks are used, then basic height adjustment functionality is provided, but they lack intelligence and fail to adapt to user changes and environmental conditions

Engineering Contradiction:
Improveadaptability to user changesVSAvoiddevice complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The patent incorporates biometric sensors that continuously monitor user physiological data (heart rate, stress levels, fatigue) and provide feedback to the control system. This feedback loop enables the desk to automatically adjust height and posture recommendations based on real-time user state, transforming a static device into an adaptive system that responds to user needs without requiring complex manual programming.

Inventive Principle:
Principle #23Feedback

Solution Approach 2:

The system performs self-adjustment by automatically modifying desk height and providing posture guidance based on sensor data and pre-programmed algorithms. The desk serves itself by making intelligent decisions about when and how to adjust, eliminating the need for constant user intervention while maintaining adaptability through embedded intelligence.

Inventive Principle:
Principle #25Self-service

2Reliability

If biometric sensors and adaptive control systems are added to create intelligent operation, then user adherence and personalized operation improve, but device complexity increases

Engineering Contradiction:
Improveuser adherenceVSAvoiddevice complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The control system serves multiple functions: it processes biometric sensor data, manages height adjustment, provides posture recommendations, and adapts to user preferences. By consolidating these diverse functions into a single integrated controller, the patent reduces overall system complexity while maintaining advanced adaptability and reliability through multi-functional intelligence.

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

3Productivity

If the workstation provides automated height-adjustment schedules with user-profile information, then productivity and health benefits improve, but ease of operation may be reduced due to automation

Engineering Contradiction:
ImproveproductivityVSAvoidease of operation
Core Design Contradiction:
ProductivityVSEase of operation

Solution Approach 1:

The system performs preliminary actions by pre-programming height-adjustment schedules and posture recommendations based on user profiles before the user needs them. This allows the desk to proactively manage ergonomic adjustments and productivity optimization, reducing the cognitive load on users while maintaining ease of operation through automated decision-making.

Inventive Principle:
Principle #10Preliminary action

Data Source

PatentUS10802473B2Height adjustable support surface and system for encouraging human movement and promoting wellness
Publication Date: 2020.10.13 STEELCASE INC
  • US10802473B2 patent drawing
  • US10802473B2 patent drawing
  • US10802473B2 patent drawing

AI summary

A height adjustable table assembly system comprising a worktop, a frame, a height adjustment subassembly integrated into the table assembly and adapted to cause worktop elevation adjustment, a user interface and a processor programmed to perform the steps of, while the worktop is at a current elevation position, upon sensing a quick multiple activation of the interface, controlling the height adjustment subassembly to move the worktop to a stored elevation position and upon sensing a prolonged activation of the interface, controlling the height adjustment subassembly to change worktop elevation while the prolonged activation persists.