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The other night, while pouring myself a glass of water in almost complete darkness, I was awaiting the tone that the water makes while entering the glass to know when it was nearly full. This got me thinking about how deaf people are probably oblivious to the joys of pouring themselves glasses of water
in darkness, without getting wet hands.
I propose a device that listens for this tone, and stops the water flow upon hearing it. As it has the ability to stop the flow, I guess it may as well have the ability to start it, using a method not unlike hand driers that start automatically in toilets. This way it has the added bonus of not having to actually touch anything; sci-fi has pointed out we'll never again have to touch devices with our filthy hands to interface with them in the future (don't get me started on TV remotes)!
I realise that the key demographic I'm proposing is deaf people who want to pour glasses of water in darkness, this alone may not warrant the expense involved in manufacturing this contraption. Maybe somebody could recommend a more sane application for it. Anyone? Anyone?!
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useful in a pub during a powercut. |
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Hehe, true, but of course there would be a manual override. Maybe even a UPS! |
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I hadn't really considered other beverages, and can't guarantee it would work, you know, with the added dynamics of the beer froth and whatnot. More viscous (therefore more silently pouring) drinks like thick shakes would definitely be out of the question though. |
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Hmmmm. My Granny is registered blind and was offered a device that hooks over the side of a cup to let you know when it's full. She rejected the offer on the premise that she couldn't be bothered with newfangled stuff and continues to use her time-tested mehod of sticking her finger in the cup and stopping pouring when she scalds herself. |
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The beeping thingy wouldn't work for the deaf, of course. A flashing light perhaps, increasing in speed as the liquid rises. |
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Increasing the speed of light? |
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I suppose that could be an unforeseen side effect.. oh, you were talking about squeaks anno! |
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These are baked. They have 'em in bars and restaurants already. Giving em to the disabled isn't a bad idea. |
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Don't different-sized glasses make a different pitch "tone" ? |
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and the distance from tap to glass. |
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[Madcat] Are you sure they use the same method as the one I described? I think they work by already knowing the volume of the vessels that the liquid is intended for. Seeing though I'm not aware exactly how big the glass (or empty vegemite jar) I manage to find in the dark will be, that method isn't very helpful to me. |
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[DeathNinja] Yes they do, but the "almost full" pitch seems to be fairly close, unless you're dealing with vast size differences. Remember, we're just talking drinking vessels. |
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[po] That shouldn't really change the pitch should it? Another factor to take into consideration might be water pressure, but hopefully your friendly Automatic Glass Filling Tap installer would be able to configure it to suit your needs. |
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*sigh* When it comes down to it, this idea is absurd. squeaks Granny had the right idea, and a lot cheaper too. *shakes fist* You win this round, low tech! |
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when your hand gets wet , stop. |
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I've never dried my hands in the toilet. The last time
I tried that... |
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Surely, the practicality of your idea can't be holding
you back from being confident on half bakery? This
site is more of a collective brainstorming, and you
shouldn't be so unsure of yourself. |
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The pitch would follow a particular pattern for any
given vessel. Even if we're not talking about the
same absolute pitch, the relative pitch change would
be fairly predictable. Since the flow rate would be
generally known, one could extrapolate a sort-of
asymptotic relationship and predict the "full" pitch
for any particular cup. |
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//using a method not unlike hand driers that start automatically in toilets//
Just think amusing evil thoughts... |
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