Capacitive Touch Lighting Control With Gesture Feedback
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Solution Overview
Problem
Traditional load control devices are limited in their ability to respond to advanced user interactions and provide visual feedback, making them inadequate for controlling complex electrical loads with features like varying intensities and colors.
Innovation Solution
A control device configured for a lighting control system, featuring a user input device with a touch-sensitive surface, a control circuit that generates control data for adjusting power levels, and a communication circuit for transmitting control signals. The device includes visual indicators like a light bar for providing feedback and can map touch inputs to absolute or relative power adjustments.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If traditional mechanical toggle switch or button is used, then device complexity is low, but control functionality and user interaction capability are limited
Solution Approach 1:
The patent replaces traditional mechanical toggle switches and buttons with a capacitive touch-sensitive surface that detects user inputs through electrical field changes. This substitution enables advanced control functionalities (gesture recognition, multi-touch, visual feedback) while maintaining a sleek, button-free appearance, directly resolving the contradiction between control functionality and device complexity.
Solution Approach 2:
The control device integrates multiple functions into a single unit: the touch-sensitive surface serves as both the display interface and control input mechanism, visual indicators provide feedback, and the device can control multiple electrical loads with various features (intensity, color, presets). This multi-functionality approach enables comprehensive control capabilities without proportionally increasing device complexity.
2Loss of information
If traditional load control device is used, then ease of manufacture is high, but ability to provide visual feedback and enhance user experience is limited
Solution Approach 1:
The patent incorporates visual indicators (such as LEDs or light-emitting elements) within or near the touch-sensitive surface that provide real-time feedback to users about device state, control recognition, and electrical load status. This feedback mechanism reduces information loss and enhances user experience by making the device's operation transparent and intuitive, while the integration into the touch interface minimizes the added complexity.
3Adaptability or versatility
If simple button actuation is used, then ease of operation is high, but number and types of control operations are limited
Solution Approach 1:
The patent implements a dynamic touch-sensitive surface that can detect and respond to various types of user interactions including single touches, multi-touch, gestures (swipes, taps, holds), and different touch pressures. The system dynamically interprets these diverse inputs to execute corresponding control operations (adjusting intensity, changing color, selecting presets), providing both versatility and intuitive ease of operation through natural hand movements.
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 control device enables advanced control of lighting loads, allowing users to adjust power levels and colors through intuitive touch inputs, and provides visual feedback to enhance user experience and navigation.
Implementation Method 1
The user input device may be configured to detect a first user input and a second user input and may include a touch sensitive surface
Data Source
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AI summary
A control device may be configured to control one or more electrical loads in a load control system. The control device may be a wall-mounted device such as dimmer switch, a remote control device, or a retrofit remote control device. The control device may include a gesture-based user interface for applying advanced control over the one or more electrical loads. The types of control may include absolute and relative control, intensity and color control, preset, zone, or operational mode selection, etc. Feedback may be provided on the control device regarding a status of the one or more electrical loads or the control device.