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The battery for the central locking on my car is running low at the moment, and I have no idea how to change it!
This led me to think, why not install a Rechargeable power supply in the key, and a circuit in the ignition that powers it up.
Result... Never standing in the rain, waiting for the
bloody thing to work!
BMWs seem to do this
http://www.google.c...+ignition+bmw&meta=
[hippo, Nov 17 2004]
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Annotation:
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Yeah, sorry... that should read remote central locking! |
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some cars do this already |
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If there was ever a piezoelectric application, this one is it |
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[theircompetitor] I happen to think my piezoelectric chair idea is THE seminal work on the subject, but whatever. |
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I like the idea of a rechargeable supply, though. Why not have it charge through the car's alternator system when you're driving? |
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[hippo]: Tell us which cars do this already. Draw pictures. |
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So the remote locking mechanism would get charged through the key that is inside the ignition? |
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"When the battery goes dead, don't stand outside in the rain, just put the shiny key in the little slot thingy by the door knob and turn it"
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Unfortunately I can't quite reach my car door from inside my house! |
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[angel] Don't know anything about pictures, but it looks like BMWs do this (see link). It was some other kind of car I was thinking of though - possibly Land Rovers, but I can't find any reference to them recharging key batteries. |
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That's good enough for me. Certainly baked then. |
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That first anno of mine was responding to a question that has since been deleted!
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Also I have a BMW (well a BMW Mini) and i'm pretty sure it doesn't do this! |
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UnaBubba was right, some cars don't have key holes on the doors anymore. |
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Having working key fobs are now becoming a matter of societal concern. Most car owners do not know how to turn off their alarm without using the key fob. |
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Give me a minute to suppress my car alarm rant... |
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New smart keys already have integrated circuitry. With these keys, current DOES flow from the battery through the key. Incorporating the key, clicker, smartkeycircuitry, and battery is a logical extension, which should, in most cases, ensure that the battery needs changing less often than the brake pads. |
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In fact, I myself posted a similar idea, but deleted it, since it got only a lukewarm reception, and became a repository for car ads attempting to prove that it was baked. |
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"Too expensive..."
"would end up costing an extra $100"
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An extra $100... I can see that causing no end of problems when I buy my next Rolls Royce Phantom.
I'll already be paying $340,000 for the car, not to mention just over 7 grand for twinkly lights on the roof lining, 6 grand for slightly bigger wheels, another 6 grand to make the exhaust peek out a bit further and nearly 12 grand for an upgraded cd player.
Still if I can save $100 I'll probably just about be able to manage. |
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Why not simply incorporate the central locking for your car and house
into the chip implanted in your arm, which will recharge itself from your
body's natural electrical charge. |
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Cos when you buy a new car you'd need to replace your arm
I'm quite attached to mine. |
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