Half a croissant, on a plate, with a sign in front of it saying '50c'
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Beeping Battery

Battery with clap-activated beeper
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I imagine that this would only be feasible (due to price) with a rechargeable battery. Anyhow, the basic idea is to have a battery that beeps when you clap. It is quite likely that such a battery would have less power than a standard battery due to needing room for the electronics, but it's rechargeable so that's fine.

The primary market for these would, of course, be for TV remotes.

Why clap-activated beeping isn't a standard feature (that can be disabled if need be) feature on all but the cheapest TV remotes is beyond me.

aguydude, Jan 24 2008

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       When I saw the title, I thought (hoped?) it would be a battery that beeped when it was almost flat; which would be useful. But a clap-n-beep, because of a lost TV remote? That's pretty lame, really. (Alternative solution: buy a cheap 'Whistler' key-ring, and tape it to your remote.)
neutrinos_shadow, Jan 24 2008
  

       The utility of the idea is inversely proportional to the number in use nearby, which is interestingly contrary to what you'd want for a successful product.   

       The problem with using these for a remote is that the remote is always between the cushions of the couch. On the other hand, this would be useful for finding your flashlight (or whatever) in the dark.
phoenix, Jan 24 2008
  

       phoneix: you may want to look into glow-in-the-dark flashlights.
DrCurry, Jan 24 2008
  

       // look into //   

       Would they glow on the outside, too ?   

       // inversely proportional to the number in use nearby //   

       Not if you can change the beeptone.
8th of 7, Jan 24 2008
  

       This is clever. Why make appliances that beep when batteries could do it for you!?
Jinbish, Jan 24 2008
  

       I'm wondering what happens during a standing ovation?
xandram, Jan 24 2008
  

       How big a hurry to find an effing TV remote control?, how big a home do you have that looking for said TV remote control could be an issue?, how anxious to find the remote control can a reasonably level headed person be (and still be level headed)?, how deep a sofa's crevices to prevent finding the damn thing on the first elbow deep dive? and how powerful a battery is warranted? are just some of the questions that undermine the utility of this lame product. Which is precisely the reason we'll be seeing it sold on TV in the wee hours of the morning. Order now and we'll include the Bridge Over the River Kwai whistling ring tone ... at no extra charge.
Arcana, Jan 24 2008
  

       "you may want to look into glow-in-the-dark flashlights"
I keep my flashlights in drawers, so a GITD version wouldn't do me much good. On the other hand, I usually have candles and matches nearby. I'm not sure that's any better.
  

       "Not if you can change the beeptone."
That improves things, but isn't indicated in the original idea. Anyway, I stand by the spirit of my assertion. Just watch a room full of people and one ringing cell phone.
phoenix, Jan 24 2008
  
      
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