Virtual Smell Interface Using Electrical Olfactory Stimulation
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Solution Overview
Problem
Existing virtual environment systems fail to provide a realistic olfactory experience, with previous attempts being cumbersome, limited in scent variety, and not responsive to the virtual environment, lacking convenience and comfort.
Innovation Solution
A system comprising an olfactory stimulation delivery device with electrodes that deliver electrical stimuli to the user's olfactory bulb, responsive to the virtual environment, providing simulated smells through non-invasive electromagnetic pulses.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If chemical scent delivery systems are used, then olfactory simulation is achieved, but the system becomes cumbersome and limited in scent variety
Solution Approach 1:
The patent replaces chemical scent delivery mechanisms with an electrical stimulation system. Instead of using physical capsules containing chemicals that are dispensed mechanically, the invention uses electrodes to deliver electrical pulses directly to the olfactory bulb, eliminating the need for chemical materials and mechanical dispensing mechanisms while achieving olfactory simulation.
Solution Approach 2:
The patent creates a synthetic olfactory experience by copying the function of natural smell perception through electrical stimulation. Rather than delivering actual chemical scents, the system replicates the olfactory sensation by stimulating the olfactory bulb in a way that produces perceived smell sensations, effectively copying the sensory experience without the physical chemicals.
2Reliability
If chemical scent delivery systems are used, then olfactory simulation is achieved, but response delay and lingering effects occur
Solution Approach 1:
The patent employs periodic electrical pulse stimulation to the olfactory bulb, where stimulation is applied in controlled time intervals synchronized with virtual environment events. This periodic action allows precise temporal control over when olfactory stimulation occurs, enabling immediate response to virtual environment changes without the delays and lingering effects of chemical diffusion.
Solution Approach 2:
By replacing chemical delivery with electrical stimulation, the system eliminates the time required for chemical dispensing, diffusion, and perception. Electrical signals can be delivered instantaneously to the olfactory bulb, achieving immediate olfactory response synchronized with virtual environment events without the temporal lag inherent in chemical systems.
3Ease of operation
If non-invasive electrical stimulation is used, then comfort and convenience are improved, but stimulation precision must be maintained
Solution Approach 1:
The patent employs electrodes positioned at specific locations on the user's face (such as near the nose or on the forehead) to deliver electrical stimulation to the olfactory bulb. By localizing the stimulation to specific anatomical regions, the system achieves precise olfactory activation while maintaining a comfortable and convenient wearable format that does not require invasive procedures.
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 the realism of virtual environments by allowing users to experience simulated smells in a convenient, comfortable, and responsive manner, improving the overall sensory immersion.
Implementation Method 1
one or more electrodes in the form of one or more non-invasive electrical stimulus emitters that are positionable to deliver an electrical stimulus to, near, or through an external surface of the user
Data Source
AI summary
A smell simulation system includes an olfactory stimulation system comprising an olfactory stimulation delivery device containing an olfactory stimulator. The olfactory stimulation delivery device is adapted to position the olfactory stimulator on or in proximity to the user so that the olfactory stimulator can provide an electrical stimulus to the user that generates an olfactory effect. A connection system is adapted to connect the olfactory stimulation system to a virtual environment, wherein the olfactory stimulation system provides an olfactory stimulation to the user in response to an interaction with the virtual environment.