Visible Power Indicator for Load Control User Feedback

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Solution Overview

Problem

Traditional load control devices lack the ability to provide advanced user interaction and visible feedback, limiting their functionality and usability with modern electrical loads that require complex control and feedback mechanisms.

Innovation Solution

A control device equipped with a visual indicator, such as a light bar, that illuminates to provide feedback on power delivery to electrical loads, using a control circuit to adjust intensity levels and transition states based on user input.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If traditional mechanical toggle switches are used for load control, then the device structure remains simple, but the user interaction capability and feedback provision are severely limited

Engineering Contradiction:
Improveuser interaction capabilityVSAvoiddevice structure
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The control device integrates multiple functions including touch-sensitive surface for gesture detection, visual indicator for feedback, and load control capabilities into a single universal interface, replacing traditional single-function mechanical switches

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

Solution Approach 2:

The visual indicator provides real-time feedback to users about the state of electrical loads and control device operations, enabling users to understand system status without additional devices or complex interactions

Inventive Principle:
Principle #23Feedback

2Loss of information

If traditional load control devices are used, then the device complexity remains low, but the ability to provide visible feedback to users is lacking

Engineering Contradiction:
Improveuser feedback informationVSAvoidcontrol circuit complexity
Core Design Contradiction:
Loss of informationVSDevice complexity

Solution Approach 1:

The visual indicator provides real-time feedback to users about the state of electrical loads and control device operations, enabling users to understand system status without additional devices or complex interactions

Inventive Principle:
Principle #23Feedback

Solution Approach 2:

The patent replaces mechanical feedback mechanisms (such as physical position indicators) with optical feedback through visual indicators, providing more informative and flexible user feedback

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

3Adaptability or versatility

If advanced electrical loads with multiple operating parameters are controlled, then the control functionality is enhanced, but the usability without visible feedback deteriorates

Engineering Contradiction:
Improvecontrol functionalityVSAvoiduser usability
Core Design Contradiction:
Adaptability or versatilityVSEase of operation

Solution Approach 1:

The visual indicator provides real-time feedback to users about the state of electrical loads and control device operations, enabling users to understand system status without additional devices or complex interactions

Inventive Principle:
Principle #23Feedback

Solution Approach 2:

The visual indicator uses different colors and illumination patterns to represent different operational states and parameters of electrical loads, making complex control states easily distinguishable and intuitive for users

Inventive Principle:
Principle #32Color 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

Enhances user interaction and provides clear feedback, expanding the capabilities of load control devices to manage complex electrical loads with improved usability and aesthetic appeal.

Implementation Method 1

The visual indicator may be illuminated by a plurality of light sources comprised in the control device

Methodology Applied
Scientific EffectLight emission: Light Emitting Diode

Data Source

PatentUS20250294661A1Control device having a visible indicator
Publication Date: 2025.09.18 LUTRON TECHNOLOGY COMPANY LLC
  • US20250294661A1 patent drawing
  • US20250294661A1 patent drawing
  • US20250294661A1 patent drawing

AI summary

A control device configured to control an amount of power delivered to an electrical load may provide feedback regarding the amount of power being delivered to the electrical load. The control device may include a visual indicator that is illuminated by a plurality of light sources. The control device may comprise a control circuit configured to determine the amount of power being delivered to the electrical load and control the light sources to illuminate a portion of the visual indicator to indicate the amount of power being delivered. Different sections of the illuminated portion of the visual indicator may be illuminated to different intensity levels and the intensity levels may be adjusted between different operational states.