Hazard Detector Status Lighting With Gesture-Triggered Voice Details
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Solution Overview
Problem
Conventional hazard detection devices, such as smoke alarms and carbon monoxide detectors, often disrupt users with loud sounds for low battery alerts, especially at night, and require inconvenient button presses for testing, which can be inefficient and intrusive.
Innovation Solution
A hazard detector system that uses a processing system to select illumination states based on status, allowing users to input gestures to receive detailed auditory feedback, reducing noise pollution and enabling silent status checks through colored light patterns, with motion detection and light sensors to determine user presence and trigger status presentations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If conventional hazard detectors use audible alerts for status notifications, then users can be informed of device status, but users are disrupted especially during nighttime
Solution Approach 1:
The patent replaces the acoustic notification mechanism with an optical mechanism using LEDs. The LED ring displays different colors and patterns to indicate device status (battery level, operational state, hazards) without producing audible noise, thereby eliminating nighttime disruption while maintaining effective status communication.
Solution Approach 2:
The patent changes the notification parameter from acoustic intensity to optical characteristics (color, brightness, pattern). By using different LED colors (red, yellow, green) and patterns (steady, pulsing, rotating), the system conveys multiple status information without acoustic disruption, resolving the contradiction between notification effectiveness and user comfort.
2Ease of operation
If hazard detectors require button presses for testing, then device functionality can be verified, but operation becomes inconvenient when device is in inaccessible location
Solution Approach 1:
The patent replaces the mechanical button-press interface with a contactless gesture recognition system. The motion sensor detects specific hand wave patterns (e.g., multiple waves within a time window) to trigger test functions, allowing users to operate the device from a distance without needing to physically reach or touch buttons on ceiling-mounted or hard-to-access detectors.
Solution Approach 2:
The patent introduces motion sensors and gesture recognition algorithms as intermediaries between the user and the device testing function. The sensor detects motion patterns in the air space around the device and translates them into control commands, serving as a mediator that enables reliable functionality verification without direct physical contact.
3Loss of information
If hazard detectors provide detailed status information continuously, then users have complete awareness, but energy consumption increases
Solution Approach 1:
The patent implements periodic status updates rather than continuous display. The LED ring provides status information at specific intervals or when triggered by user gestures, rather than continuously consuming power. The system balances information provision with energy conservation by updating status displays periodically and using low-power sleep modes between updates.
Solution Approach 2:
The patent makes the status information display dynamic and on-demand rather than static and continuous. The LED ring adapts its activity level based on user interaction (gesture triggers) and system state (critical alerts vs. normal operation), providing detailed information when needed while minimizing energy consumption during normal operation.
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 system provides users with non-intrusive, silent status notifications through colored light patterns, allowing for efficient battery management and convenient status checks without disrupting users, ensuring continuous hazard detection and user awareness.
Implementation Method 1
a motion detection sensor that detects motion in an ambient environment of the hazard detector
Implementation Method 2
a light that comprises multiple lighting elements
Implementation Method 3
output a detail of the status via the speaker
Data Source
AI summary
In various embodiments, a hazard detector may be presented. The hazard detector may include at least one hazard detection sensor that detects a presence of at least one type of hazard. The hazard detector may include a speaker, a light, and a motion detection sensor that detects motion in an ambient environment of the hazard detector. A processing system of the hazard detector may be configured to select an illumination state based on a determined status. The processing system may cause the light to illuminate based on the selected illumination state. The processing system may determine a gesture has been performed in the ambient environment of the hazard detector following the light being illuminated based on the selected illumination state. The processing system may output a detail of the status via the speaker corresponding to the illumination state in response to determining the gesture has been performed.