Wearables with bio-signal monitoring for a mixed reality and virtual reality environment

VR Wearable with BioSignals

Interaxon Inc., makers of the Muse wearable headbands are exploring new ways to leverage bio-signal sensors as a part of their future wearable offerings for mixed reality / Virtual Reality environments.

In the latest patent filing, “Wearable computing device with electrophysiological sensors”, the researchers describe a wearable computing device with bio-signal sensors and a feedback module as a platform offering for interactive mediated reality environment.

Related reading

Using biosignals in wearables for advanced health monitoring

What appears to be a gadget straight out of a Star Trek episode is actually a pretty cool device based on some solid existing neuroscience.

Electroencephalographs, galvanometers, and electrocardiographs are examples of devices that are used to measure and monitor bio-signals generated by humans. 

A human brain generates bio-signals such as electrical patterns, which may be measured/monitored using an electroencephalogram (“EEG”) which is exactly what the current Muse band monitors.

wearable with Biosignals for VR environment
Patent # 10,942,568

Measuring and analyzing bio-signals such as brainwave patterns can have a variety of practical applications. For example, brain-computer interfaces (“BCI”) allow users to control devices and computers using brainwave signals. 

In this instance, the wearable computing device may include a camera, a display, and a means to monitor bio-signals.

Brain activity may be measured through electroencephalography (“EEG”) techniques electrically, or through functional near-infrared spectroscopy (“fNIRS”) techniques measuring relative changes in hemoglobin concentration through the use of near-infrared light attenuation. 

A sensor employing pulse oximetry techniques may also be employed in wearable computing devices. The wearable computing device may include at least one sensor measuring eye activity using electrooculography (“EOG”) techniques.  

How it works

Using these sensors, the wearable system will be able to understand how you interact in a virtual reality/ mixed reality system.

The research points out that by monitoring facial expressions along with EEG to analyze and understand the user’s emotions, changes could be made to the avatar of the user in the mixed reality environment to show how the user is feeling during his/her interaction in the environment.

The key aspect of this technical research is how companies are beginning to think about capturing bio-signals from user interaction in a virtual reality/ mixed reality environment and using the feedback to make appropriate interactive decisions for the use case.

Adoption of mixed reality and virtual reality 

There are many large tech companies already investing millions in developing mixed reality and virtual reality platforms including Apple and Samsung. 

Recent Facebook patents also show how the tech company is investing heavily in the area of virtual reality and mixed reality.

On the other hand, smaller wearable health tech players are exploring how they can leverage their understanding of biosignals to facilitate new commercial use cases.

In this particular case, Toronto-based Muse headband makers are trying to evaluate potential use cases of EEG and other bio-signals in a mixed reality environment.

They are not alone.

 Recently Huami, makers of AmazFit smartwatches published research showing how they can change the scripts/scenes of a video game based on the heart rate of the player.

 If your gaming console evaluates that a particular sequence is too boring for you based on your heart rate information, it can change the entire sequence of the game in an attempt to boost up your adrenalin and your heart rate.

Although many patents never make it to the product stage, the area of wearable computing systems and brain-machine interfaces is gaining significant traction in recent years. 

Whether it is Elon Musk’s Neuralink or a simple wearable headband like Muse, that provides real-time brainwave feedback and teaches users to focus more and manage stress better, you can definitely expect new wearable products that are bound to surprise you.

The Interaxon patent was filed on Sept 13, 2019, and approved on March 9th, 2021.

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I am a technologist with years of experience with Apple and wearOS products, have a BS in Computer Science and an MBA specializing in emerging tech, and owned the popular site AppleToolBox. In my day job, I advise Fortune 500 companies with their digital transformation strategies and also consult with numerous digital health startups in an advisory capacity. I'm VERY interested in exploring the digital health and fitness-tech evolution and keeping a close eye on patents, FDA approvals, strategic partnerships, and developments happening in the wearables and digital health sector. When I'm not writing or presenting, I run with my Apple Watch Ultra or Samsung Galaxy Watch and closely monitor my HRV and other recovery metrics.


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