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Induction (Wireless) Charging Earbuds

Postby tommyle » May 18th, 2017, 4:10 pm


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Hi everybody I'm wondering if my concept I attached for wireless charging earbuds is possible, once the tech gets small enough? The wearable wireless charger (bright red) would attach magnetically to the truly wireless earbuds when it needs juice. That way the experience is not interrupted for charging. Thoughts?

Re: Induction (Wireless) Charging Earbuds

Postby yo » May 18th, 2017, 6:43 pm

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Its conceivable doable. I think the interface on the wire part would likely be thicker and what does that battery box look like? The weight of the battery might be the biggest issue.It will be pulling the cables down putting force on the magnetic attachment to the earbuds. You might want to just mock up a little something real quick with magnets hot glued to an old pair of earbuds and some cable with a battery pack taped to it.

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With an Over-the-ear design this is a realistic concept from all perspectives.
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Re: Induction (Wireless) Charging Earbuds

Postby tommyle » May 19th, 2017, 7:23 am


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Yes will definitely mock something up. But I think the battery could be worn as a necklace, similar to Vi headphones image attached. This way the user can easily snap on the charger without fumbling to put on an over-the-ear piece. The way the cords are, it doesn't seem to pull down much.
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Conceptually feasible, the biggest risk I see is I can't say I have ever seen an inductive coil that is 3 dimensionally curved. The way inductive charging works I'm not sure if that shape would result in the magnetic field being directed all over the place. But I'm willing to believe it could be done, even if it involved flattening the mating surface.

With that said, if the design was more important than the wireless charging, you could easily achieve this with an Airpod-like approach where there were two small metal contacts on the outside of the headphone and your magnetic loop simply held the charge contacts in place.

Re: Induction (Wireless) Charging Earbuds

Postby yo » May 19th, 2017, 12:15 pm

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tommyle wrote:Yes will definitely mock something up. But I think the battery could be worn as a necklace, similar to Vi headphones image attached. This way the user can easily snap on the charger without fumbling to put on an over-the-ear piece. The way the cords are, it doesn't seem to pull down much.


OK, but you didn't show that... :-)

Also, those neck-worn wireless headphones are some of the top selling headphones in the US right now (is having that hideous u on your neck easier than having a cord to your phone?)... I think they are as dork-burger as a single ear bluetooth headset, but those sold a lot as well....

Re: Induction (Wireless) Charging Earbuds

Postby tommyle » June 30th, 2017, 12:58 pm


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I finally had time to make mock-ups to see if the battery would pull the earbuds out.
The earbuds stayed on when it had a wingtip or an over the ear hook feature.
So from there I made 3 battery charger (A-C) concepts and 3 earbud (1-3) concepts.
Any opinions on a winning configuration?

For example configuration 1/A or 1/C wouldn't work as the earbud would fall out, but 1/B could work.
Attachments
earbudconcept01.jpg
earbudconcept02.jpg
earbudconcept03.jpg
Last edited by tommyle on June 30th, 2017, 1:01 pm, edited 1 time in total.

Re: Induction (Wireless) Charging Earbuds

Postby tommyle » June 30th, 2017, 12:59 pm


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Battery charger
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batteryconcept01.jpg
batteryconcept02.jpg
batteryconcept03.jpg

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You have to choose a very specific target group here and do some research because what people want to wear is dependent on how they make choices on what they wear, the technological augmentation and interactions they prefer and also what sports means to them. If you focus on sports. You have to get the context clear first. If I look at people in my neighborhood, there are a lot of runners and some professional soccer players as well, almost nobody runs with headphones and if they do, it's the over the ear design which is quite easy to wear too and actually associated with sports. I like them, they look professional like you are dedicated. My own preference as a runner for wireless headphones is to leave all wires at home, also do the charging at home, and induction would be great just like you can do with smartwatches. It doesn't even need a terminal penetrating a coil. I would prefer to have each headphone completely wireless, hook to the ear, with enough battery built in. Even if it would look a bit clunky I would prefer that over anything that looks wired.

1/B is my preference so far. I'm sure in the future all electronics for a music player can be integrated into the device.
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