Dyson patents pollution-beating headphones to purify the air around you
These headphones are a breath of fresh air
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For all their smarts and specs, even thebest headphonesof 2020 can’t protect your lungs from air pollution – but that’s somethingDysoncould be seeking to change, judging from the brand’s latest patent.
As reported byBloomberg, the company has patented a pair ofover-ear headphonesthat double up as an air purifier, housing a filter inside the earcups and a mouthpiece that guides filtered air directly in front of the user’s mouth and nose.
Thepatent, which dates back to July 2018, has only just been made publicly available, and describes Dyson’s inventive solution to air pollution – something the brand says is “an increasing problem” and that “a variety of air pollutants have known or suspected harmful effects on human health”.
Disruptive solutions
According to the patent, both of the headphones' earcups contain a motor that’s connected to a 35-40mm propeller. This propeller spins at roughly 12,000 rpm, to draw 1.4 liters of air per second into the headphones and through a filter inside.
While the patent doesn’t specify which particles the filter would be able to block out, Dyson claims that its current air purifiers capture 99.97% of allergens and pollutants “as small as 0.3 microns”. For reference, a bacterium is usually about one micron, while pollen particles are 10 micronsor more.
This filtered air is then transported into each side of the mouthpiece, where it meets in the middle. Vents in the mouthpiece then jet this filtered air at 2.4 liters per second towards the wearer’s mouth.
While the patent doesn’t go into much detail about the kind of sound quality these cans could offer, it does describe a feedback microphone to allow for active noise cancellation. That could prove an important part of the design, particularly if the revolution of the propellers becomes loud.
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There’s no word either on whether these cans come with the built-in battery and Bluetooth connectivity that would make them pair ofwireless headphones.
As with any patent, there’s no guarantee that these air-filtering,noise-cancelling headphoneswill ever see the light of day. Dyson’s plans for a wearable air purifier were first reported in 2018, when the company told Bloomberg that it doesn’t discuss its products until they go into development:
“We’re constantly creating disruptive solutions to problems, which means we file a lot of patents,” a Dyson spokesman said in an email. “If and when a product is ready we’ll happily go through it but until then we don’t comment on our patents.”
In an age where many who live in big cities, particularly those affected by smog in places like like Beijing, Lahore, and New Delhi, are donning face masks for their daily commute to work, a wearable air filter that doubles up as a pair of noise-cancelling headphones could prove very popular indeed.
Olivia was previously TechRadar’s Senior Editor - Home Entertainment, covering everything from headphones to TVs. Based in London, she’s a popular music graduate who worked in the music industry before finding her calling in journalism. She’s previously been interviewed on BBC Radio 5 Live on the subject of multi-room audio, chaired panel discussions on diversity in music festival lineups, and her bylines include T3, Stereoboard, What to Watch, Top Ten Reviews, Creative Bloq, and Croco Magazine. Olivia now has a career in PR.
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