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Key Light

Added light for the visually impaired.

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Basic research (and common sense) reveals the visually impaired have problems where poor contrast and darkness are concerned. A small pocketable device that can house a key (in a similiar way a swiss knife houses a blade) also has an inbuilt light. When the key is flicked/pulled out, a simple connection is made and the light (situated on the front of the the device) switches on. The key can then be operated one handed, and aids the use of a doorkey in poorly lit/darkened area's, without the need for additional lights. The added bulk of the product also aids grip and twisting of the key for elderly/disabled users. The device need only be plastic, and run on a small watch battery or similiar.

—	kuupuuluu, Apr 10 2005

(??) Some alternatives. http://www.dorcy.com/keylight.htm
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This would also be useful for the alcohol impaired.

—	goldilox, Apr 10 2005

why is grandma trying to get of the house with the torch?

shh, we told her it was the key.

—	benfrost, Apr 10 2005

If the key were made of a clear material, this effect could be (more or less) achieved.

They do of course make conventional key covers that include a light, which is operated by squeezing it.

Of course, a key that lights itself up would be far better. There may be some problems with getting a material that will not snap off while in the keyhole, but metal isn't all that strong, so we should be able to come up with something.

—	ye_river_xiv, May 03 2007

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