Piezoelectric Scent Module Design for VR and AR Olfactory Rendering
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Solution Overview
Problem
There is a lack of a common device capable of rendering scents in augmented and/or virtual reality environments, limiting the integration of scent technology in these settings.
Innovation Solution
A device, referred to as an OVR system, is provided that includes a piezoelectric vibration device to generate scents in response to user interactions within VR or AR environments, utilizing detachable scent modules and a microcontroller to control airflow and scent delivery, with features like piezoelectric elements and aerosol generators to produce precise scent outputs.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a device is integrated into VR/AR headset systems to render scents, then the capability to provide olfactory stimuli in virtual reality environments is improved, but the device complexity increases
Solution Approach 1:
The system divides the scent delivery function into separate modular components: a companion device with aerosol generator and multiple detachable scent modules. Each module contains a specific scent compound and can be independently attached to or removed from the headset, allowing flexible configuration without requiring a complex integrated design.
Solution Approach 2:
The patent introduces a companion device as an intermediary between the VR/AR headset and the scent delivery mechanism. This companion device handles the complex aerosol generation and scent module management, while the headset itself remains relatively simple, just providing the interface for user interaction and visual feedback.
2Adaptability or versatility
If multiple detachable scent modules with different scents are used, then the versatility of scent rendering is improved, but the device complexity increases
Solution Approach 1:
The scent delivery system is segmented into multiple detachable modules, each containing a different scent compound. Users can attach different modules to change the scent output, enabling versatility without requiring a complex internal switching mechanism within a single integrated unit.
Solution Approach 2:
The system allows dynamic reconfiguration by enabling users to attach and detach different scent modules based on the virtual reality experience requirements. The companion device dynamically adapts to which module is attached and adjusts aerosol generation accordingly, providing flexible scent variety on demand.
3Measurement precision
If piezoelectric vibration devices are used to generate aerosols, then the precision of scent delivery is improved, but the device complexity increases
Solution Approach 1:
The patent replaces traditional mechanical aerosol generation methods (such as ultrasonic transducers or pneumatic systems) with piezoelectric vibration devices. The piezoelectric elements convert electrical signals directly into mechanical vibrations that atomize the scent compound, providing precise control over aerosol generation with simpler mechanics.
Solution Approach 2:
The companion device controls the piezoelectric vibration parameters (frequency and amplitude) to precisely regulate aerosol generation. By adjusting these electrical parameters, the system can control the amount and characteristics of scent delivered without complex mechanical adjustments, improving precision while maintaining simplicity.
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
Enables accurate and varied scent rendering in VR and AR environments, enhancing user experience by providing realistic scent stimuli in response to user interactions.
Implementation Method 1
A piezoelectric element is attached to an end of the tube. The piezoelectric element is adapted to receive an electrical signal that causes the piezoelectric element to vibrate and induce a wave along a length of the tube that forces a medium through the at least one aperture
Implementation Method 2
the piezoelectric element to vibrate and induce a wave along a length of the tube that forces a medium through the at least one aperture
Data Source
AI summary
A device or system is provided that provides olfactory stimuli, and includes a piezoelectric vibration device that is used to produce scents corresponding to actions performed in a VR or AR environment, or other application. In some implementations, a user interacts with one or more game elements within a game program being executed by a game engine, and responsive to the interaction, the game engine may communicate a series of commands that cause a piezoelectric device of the device to generate scents to be experienced by the user.