h a l f b a k e r yOutside the bag the box came in.
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Simply have a rechargeable battery built in to the light bulb that is bypassed when there is power and trickle charges if required.
Then if there is a power-cut, have a little switch on the base of the bulb that switches it over to the built in battery.
Obviously, you'd only have a couple in your
house - extra features would be to glow red with a mechanical voice declaring 'Switching to auxiliary power!'
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[xaviergisz, Jan 22 2016]
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This is how emergency lighting works, except that the battery is built into the fitting, rather than the bulb. |
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there are actually emergency lights now
that are a glow in the dark coating on the
inside of the bulb. when the lights go out,
the bulbs are fully charged from use, and
are ready to be unscrewed and used as
portable torches. |
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Probably quite bakeable with an LED/LED cluster and small battery and regulator. Wouldn't even have to modify the existing fitting at all. Just use red LED's. or red flashing LED's. |
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I appreciate that this idea is hardly revolutionary, but the fact is that my house experiences many power cuts and i'd like a simple solution to it; a smoke detector that has a little light on it doesn't help me much - i like the glow-in-the-dark bulbs idea, except that i actually want the light to go off when i switch it off, and only light up when there is a power cut... |
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