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Cell Phones Powered By Conversations

Posted by CmdrTaco on from the yakkity-yak dept.

disco_tracy sent in a story about some fancy new power technology designed to tap energy from sound waves. Although the cell phone concept grabs the headline, they also talk about harvesting noise from traffic.

3 of 119 comments (clear)

  1. Hams have done it ... by EABinGA · · Score: 5, Interesting

    A ham operator has built a voice powered radio and has made several long distance contacts with it.

    Details are here

  2. Re:Bogus by Charliemopps · · Score: 2, Interesting

    You're completely misunderstanding how it works. A. The human voice produces a hell of a lot more power than a cellphone, you can disagree if you want but it's not even relevant because: B. Ambient noise. It's not just you powering the device, it's everything that makes noise around you. and then, don't forget: C. Energy over time. It's charging it all day long, even when you're not on the phone. They aren't talking about you literally powering the phone as you talk. They are talking about a device on the phone that helps recharge the battery as you talk. Just like breaks on electric cars recovering the breaking energy aren't going to power the car entirely, but they certainly will help make the battery last longer.

  3. Re:Bogus by complete+loony · · Score: 2, Interesting

    But could you use this trickle of energy to reduce or eliminate the battery drain when the phone is idle?

    --
    09F91102 no, 455FE104 nope, F190A1E8 uh-uh, 7A5F8A09 that's not it, C87294CE no. Ah! 452F6E403CDF10714E41DFAA257D313F.