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Old 07-28-2019, 9:51pm   #1
Wathen1955
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Default Sony is crowdfunding a wearable 'air conditioner' (updated)

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Engadget Japan
Are you struggling to cope with the heat outdoors? Sony might have a solution, if not as soon as you might like. The company's First Flight program is crowdfunding a wearable 'air conditioner,' the Reon Pocket, that slips into a pouch in a special t-shirt. The stealthy device doesn't condition the air as such. Rather, it sits at the base of your neck and uses the Peltier effect (where heat is absorbed or emitted when you pass an electrical current across a junction) to either lower your temperature by 23F or raise it by 14F, all without bulk or noise. You could wear a stuffy business outfit on a hot day and avoid looking like you've just stepped out of a sauna.

You have to manually control the temperature through a mobile app, but Sony hopes to deliver an automatic mode through a future update. And no, you don't have to worry about charging it mid-day. Sony expects a full 24 hours out of a single charge, and two hours of charging through USB-C should be enough to help you brave unforgiving conditions.

Availability, as you might have surmised, is the real gotcha. The Reon Pocket was close to being fully funded as we wrote this, but it's only expected to ship in March 2020 -- and this is only for Japan. It'll be great for Tokyo 2020 attendees, but not people roasting here in summer 2019. At least the pricing isn't completely outlandish. The device starts at ¥12,760 (about $117), or just low enough that it could pay for itself by keeping your attire dry.

Update 7/28 2:30PM ET: Our Japanese colleagues have some extra details, including word that it's not quite as impressive as it sounds. Most notably, the actual battery life is less than two hours -- despite how Sony characterizes it, the 24-hour battery life is for the Bluetooth connection. You'll only be using this in short bursts, but that might be enough for a lunch meeting or a walk to work.
https://www.engadget.com/2019/07/28/...r-conditioner/
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Old 07-29-2019, 1:27am   #2
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Originally Posted by Wathen1955 View Post
Never heard of heat being absorbed through anything electrical, let alone any 'connection'....WTF?? power/current/voltage is dropped through any connection, and heat given off, but absorbed???

some sort of contacts/plates touching the lo neck/higher back location that stimulate the nerves into feeling cold....is best I can imagine.....

anyone??


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Old 07-29-2019, 12:36pm   #3
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Originally Posted by mrvette View Post
Never heard of heat being absorbed through anything electrical, let alone any 'connection'....WTF?? power/current/voltage is dropped through any connection, and heat given off, but absorbed???

some sort of contacts/plates touching the lo neck/higher back location that stimulate the nerves into feeling cold....is best I can imagine.....

anyone??


Quote:
Peltier effect, the cooling of one junction and the heating of the other when electric current is maintained in a circuit of material consisting of two dissimilar conductors; the effect is even stronger in circuits containing dissimilar semiconductors. In a circuit consisting of a battery joined by two pieces of copper wire to a length of bismuth wire, a temperature rise occurs at the junction where the current passes from copper to bismuth, and a temperature drop occurs at the junction where the current passes from bismuth to copper. This effect was discovered in 1834 by the French physicist Jean-Charles-Athanase Peltier.

https://www.britannica.com/science/Peltier-effect
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Old 07-29-2019, 7:04pm   #4
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My 2014 GMC pickup and my 2016 Yukon Denali have front seat coolers that utilize this method. Both work great.
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Old 07-30-2019, 6:59pm   #5
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https://www.cui.com/catalog/thermal-...eltier-devices
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