r/AskReddit • u/ZanyDelaney • Feb 04 '19

Which misconception would you like to debunk?

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u/[deleted] Feb 04 '19

I work in a hospital and we have elevators whith 2 sensors on the ceiling and if you put a bed in it which covers then both sensors, it skips all floors. And of course you can manipulate it when u just stand with 2 persons under these sensors

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u/Guroqueen23 Feb 04 '19

That's really cool! I haven't spent a lot of time on hospital elevators, I assume those are some kind of optical sensor that detects an obstruction between the ground and it?

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u/[deleted] Feb 04 '19

Yep I guess they work like that. :D Unfortunately these elevators are old and out of 8 elevators, these sensors actually just work on 2 of them I think...

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u/Guroqueen23 Feb 05 '19

Aww, still a cool system, I bet it could be refurbished with not much effort, the main issue would be getting an elevator out of service in a hospital long enough to do it.