425 results found displaying 10-12
    
Sam Cox
 USA
Cell Phone "I'm Driving" Button Printer Friendly Version
On my cell phone, I'd like a button to press while I'm driving (could be part of the car-based charger) that would inform the caller that I'm driving and will call back when possible. Perhaps double-click this button to inform that than "I'm pulling over now/soon to call you" and single-click to inform "I will call later when I get a chance." The responses could be pre-recorded by the phone's owner.
Reward: A free modified phone. 

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alexandrempinto
 Portugal
Kinetic Mouse Printer Friendly Version
There are kinetic wrist watches that need no battery. They just have an internal capacitor which is charged by the arm's movements. I have one such watch myself. :-)
My idea is to use the same principle for a wireless computer mouse. We move the mouse around all day long as we work. Those movements could charge the mouse's internal capacitor. This way the mouse would not need batteries! Clean, environmental-friendly energy for our moving pointer device!
How about that? ;-)
Reward: This product for free! 

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tanweerali
 USA
Cellphone rechargers through phone talks Printer Friendly Version
Sound is a form of energy. And phones use cell/battery to run. They store electrical energy. While we talk over the phone we give out sound energy. We can have a small device which converts sound energy to electrical energy and charges the cellphone batteries while we speak. It can even be charged in a theatre, pub, discos, traffic signals basically anywhere with a decibel level.

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