Volatile Material Diffuser Duty Cycles to Prevent Fragrance Habituation
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Solution Overview
Problem
Existing volatile material diffusers often lead to habituation as users become accustomed to the fragrance, resulting in reduced perception over time, as they emit volatile materials at a constant rate without varying intensity or sequence.
Innovation Solution
A method involving a volatile material diffuser with a programmable device that operates a diffusion element at varying duty cycles, including continuous activation and deactivation patterns, and optional interrupts to alter the emission rate and prevent habituation, using a heating device and wick system to control the release of volatile materials.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the diffusion element operates at a constant rate, then the device is simple and reliable, but the user becomes habituated to the fragrance and perception decreases over time
Solution Approach 1:
The patent implements periodic action by operating the diffusion element at varying duty cycles in alternating periods. The control circuit switches between a first duty cycle (lower emission rate) and a second duty cycle (higher emission rate), creating periodic variations in fragrance delivery that prevent user habituation while maintaining overall reliable operation
2Duration of action of stationary object
If the diffusion element is activated continuously, then fragrance availability is maintained, but habituation occurs and effectiveness decreases
Solution Approach 1:
The patent applies periodic action by implementing alternating duty cycles where the diffusion element operates at different activation rates. This creates periodic interruptions and intensifications in fragrance delivery, maintaining user perception and preventing habituation while ensuring continuous availability through the alternating pattern
3Adaptability or versatility
If the emission rate is increased to prevent habituation, then user perception is maintained, but energy consumption and material usage increase
Solution Approach 1:
The patent resolves this contradiction through periodic action by alternating between lower and higher duty cycles. During periods with lower duty cycles, energy consumption is reduced; during periods with higher duty cycles, user perception is maintained. This periodic variation optimizes the balance between energy efficiency and perceptual effectiveness
Solution Approach 2:
The patent applies parameter changes by varying the duty cycle parameter of the diffusion element over time. The control circuit changes the duty cycle between different operational states, allowing the system to adapt emission rates to prevent habituation while managing energy consumption through parameter modulation rather than constant high-power 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 method effectively reduces habituation by providing bursts of volatile material emission through varying duty cycles and interrupts, maintaining a consistent delivery rate and 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
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.