Intruder Detection System Using Radio Signals #DigInfo
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Uploaded by Diginfonews on Jul 11, 2011
DigInfo TV - http://diginfo.tv
5/7/2011
NICT
RAMIDS
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Top Comments
All Comments (29)
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I guess the problem in this system is to ensure that no space of the room remains in the shadow zone... coz things in shadow zone cant be detected...
The intensity level of signal should be as uniform as possible or else it will be difficult to decide the changes in environment ...
I liked the idea very much .... really nice one ..
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@nisbahmumtaz909 Oh, ok. Radioactive isotopes are moste used in smoke-detectors, though. But I see you point and I agree :)
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Something that uses one kind of material as one of its composite materials for a looooooooong time... suddenly is able to be substituted using another material, is a pretty big deal. That's what I'm trying to say.
It's a general whole-picture thing.
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@nisbahmumtaz909 how, what? How has that got anything to do with using RF-detectors instead of PIR-detectors in home security systems?
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Well, imagine a laptop being made of a different find of semiconductor.
Yeah, they would probably post that here too.
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@nisbahmumtaz909 just needed toi check, because thet probly has nothing to do with it. The isotopes used in home-elecronics are som small and weak, you could eat a couple of them without any huge problems. don't though. I'm just making a point :P
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@nisbahmumtaz909 What? why is that? Enviromental reasons?
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They always have to substitute machines for these jobs...
They don't trust humans for these jobs, I guess.
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JogBird 7 months ago 31
For those who are not very aware, listen here.
Most security systems using detection, if not all, rely on radioisotopes.
Although the dose used is relatively small, if there is a substitution for using radioactive elements, it will always be accepted.
THAT is the point of this video.
nisbahmumtaz909 7 months ago 11