Half a croissant, on a plate, with a sign in front of it saying '50c'
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Keyless Immobiliser Door Lock System

Keyless Door Lock with Immobiliser Chip
(+2, -2)
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The immobiliser system in car locks can be applied to home doors. Instead of carrying keys, special rings with immobiliser chip can be used and when you touch the door handle with your special ring on your finger, the door unlocks. The advantages of this system are: 1) Rings can not be duplicated in regular key-makers as traditional keys, only producer can duplicate your ring since the code in your immobiliser chip is unique to you. 2) Traditional locksmith methods, which are also used by thiefs, can not open your door lock since there is no mechanical key system on your new immobiliser lock. 3) Since every person in the household has his own ring on his finger, the probability to lost the ring is lower than the probability to lost the keys in your bag or pocket. 4) Ring was worn on your finger and unless you wear out the ring outside your home, it is imposibble to get the ring stolen. 5) From engineering point of view, rings with immobliser chips can be easily manufactured. Those chips are very small in size (can easily fit in a very thin ring ), very durable (operates for many years), need no service and also very cheap in price. Keyless immobiliser door lock system is very reasonable and can be successfully applied to any door. 6) As a final word; this system is more realistic, more reliable, much more safer and clearly cheaper than both traditional mechanical key-lock systems, and new developing image-speech processing solutions.
mkalyon, Oct 13 2005


       \\cannot be lost as easy as keys\\. Easier to steal though.   

       And this definitely needs a better name. You haven't really invented the door. That was done by Pierre le'Door in 1878. And FYI, capital letters are your friends. Let them help you.   

       Welcome to the halfbakery. As first ideas go, it's considerably better than mine was.
hidden truths, Oct 13 2005

       Ah ye, Pierre le'Door, close cousin to Jean Batiste Ouindoux. And nice start [mkalyon]
PollyNo9, Oct 13 2005

       Perhaps the idea could be titled "Secret Decoder Ring Door Lock".
jurist, Oct 13 2005

       even cars with both a mechanical key and a chip embedded in the key can still be hacked
vmaldia, Oct 25 2006

       I'm not too keen on putting electrical appliances between myself and my house. For several months, I lived in a place with electronic key cards. I got locked out five times... three times more often than I've been locked out of the house I've lived in for 14 years, and only one time less often than I've been locked out of the car I've driven for four years.   

       What powers this new lock? what happens if the power goes out? What backup systems are in place? Will this lock be physically more rugged than current mechanical locks? what happens if you loose a ring? why not build the technology into existing keys, as the cars have done with their immobilisers? and lastly, is this system at all better than current mechanical, or electrical touchpad keyless entry schemes?   

       There's a lot of questions I need answered before I can decide whether to bun or bone this.
ye_river_xiv, Oct 26 2006

       I agree. I notice that most new cars do not have an exterior key lock on the passenger side. So if we get to the point where all of the exterior key holes are eliminated from cars, what happens if the battery goes dead or a cable clamp comes loose? Even if you have the car serviced regularly, there is no guarantee that you will never have a problem.
Jscotty, Oct 26 2006


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