Volatile Material Diffuser Duty Cycle Control
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Solution Overview
Problem
Users often become habituated to volatile materials dispensed by existing diffusers, leading to reduced perception of the fragrance over time, as these devices typically operate at a constant intensity or sequence, failing to effectively prevent habituation.
Innovation Solution
A volatile material diffuser with a programmable device that controls the heating element's duty cycle, varying the intensity and duration of volatile material emission over time, including periodic spikes in delivery rate to prevent habituation, using a microcontroller to manage the heating device's operation based on pre-set cycles and optional random interrupts.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the diffuser operates at a constant intensity, then the device is simple to control, but the user becomes habituated to the volatile material over time
Solution Approach 1:
The patent applies dynamics by transitioning from constant intensity operation to variable intensity operation. The microcontroller dynamically adjusts the heating element's duty cycle over time, creating changing emission patterns that prevent habituation while maintaining ease of use through automated control.
Solution Approach 2:
The patent implements periodic action through the microcontroller's programming that varies the heating element's operation over time. The system cycles through different duty cycles and emission intensities in a programmed sequence, creating periodic variations that prevent user habituation to the volatile material.
2Adaptability or versatility
If the diffuser uses a programmable microcontroller to vary duty cycles, then habituation is prevented, but the device complexity increases
Solution Approach 1:
The patent applies self-service by implementing automated control where the microcontroller manages the heating element's duty cycle variations without user intervention. The system autonomously programs and executes the habituation-prevention algorithm, eliminating the need for manual control mechanisms and justifying the added complexity through automated functionality.
Solution Approach 2:
The patent replaces mechanical or manual control systems with an electronic microcontroller-based programming system. Instead of mechanical switches or manual adjustments, the system uses software programming to control the heating element's duty cycle, achieving more sophisticated control with standard electronic components.
3Adaptability or versatility
If the diffuser intermittently increases emission intensity, then user perception of the fragrance is maintained, but energy consumption increases
Solution Approach 1:
The patent applies periodic action by implementing intermittent high-intensity emission cycles followed by lower-intensity periods. The microcontroller programs the heating element to operate at varying duty cycles, creating periodic bursts of high emission that maintain fragrance perception while allowing energy-saving low-emission periods between bursts.
Solution Approach 2:
The patent implements parameter changes by dynamically adjusting the heating element's duty cycle parameter over time. The system varies operational parameters such as heating duration, emission intensity, and frequency according to programmed sequences, creating optimal emission patterns that maintain fragrance perception while managing energy consumption through controlled parameter variation.
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 varying duty cycles and spike in delivery rates help maintain a fresh perception of the volatile material, reducing habituation by intermittently increasing the intensity and frequency of emission, thereby preventing user desensitization.
Implementation Method 1
some diffusers include a heating element for heating a volatile material to promote vaporization thereof
Implementation Method 2
Other diffusers employ a fan or blower to generate air flow to direct volatile material out of the diffuser into the surrounding environment
Implementation Method 3
In another type of diffuser, one or more volatile materials may be emitted from the diffuser using a bolus generator that delivers a pulse of air to eject a scent ring
Implementation Method 4
other diffusers utilize ultrasonic means to dispense the volatile materials therefrom
Data Source
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AI summary
A method of dispensing a volatile material includes the steps of providing power to a volatile material diffuser having a diffusion element and operating the diffusion element for a first period of time, wherein the diffusion element is continuously activated and deactivated during the period of time at a first duty cycle having a first on time and a first off time. Still further, the method includes the step of operating the diffusion element for a final period of time, wherein the diffusion element is continuously activated and deactivated during the final period of time at a final duty cycle having a final on time and a final off time. The first duty cycle is less than about 100% such that the first off time is greater than about 0 seconds and the final duty cycle is about 100% such that the final off time is about 0 seconds and wherein the final period of time begins after the first period of time has finished.