Half a croissant, on a plate, with a sign in front of it saying '50c'
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High frequency inductive trousers

Charge as you sit.
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A pair of trousers has an HF induction coil woven into the seat, which picks up power from a corresponding coil integrated into an office chair. The frequency of operation would be about 5 KHz. The connections from the coil in the trousers run to either a waistband clip or a special pocket with a connector.

If you clip your cellphone onto the belt clip and sit on a PowerChair, your cellphone (security blanket, lifeline, best buddy) is automatically trickle charged as you work. No cables, no flat batteries.

You could also integrate this into car seats or armchairs.

8th of 7, Nov 28 2002

Power Spots http://www.halfbake.../idea/Power_20Spots
Same idea, less specific. [phoenix, Oct 04 2004, last modified Oct 05 2004]

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       Excellent idea - you could also have chargers on public transport, for the civic good. Might be more practical as a belt, though, since you will at some point have to put your trousers in the laundry.   

       Plan B - how about a piezoelectric trouser seat charger? Recharge your mobile with butt-clenches! The image of an office full of workers squeezing up and relaxing down, amuses me greatly.
friendlyfire, Nov 28 2002
  

       // since you will at some point have to put your trousers in the laundry. //   

       I will ? Never have yet ...
8th of 7, Nov 28 2002
  

       I can't comment, beyond the fact that I seem to be bleeding profusely from the region of my trouser turnups, and I can't hear myself think for the yowling.
8th of 7, Nov 28 2002
  

       wouldn't you eventually irradiate your ass?
urbanmatador, Apr 10 2003
  

       Now you too can have a hot ass!
egbert, Apr 11 2003
  

       Great idea, except you'll have to fend off the EM field opponents. There seems to be a large number of them using cell phones...
dougp01, Aug 23 2005
  
      
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