41–50 of 104 posts
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I've seen elevators that ignore short presses of buttons. You press the button, it lights up, you release, the light goes off and the elevator pretends it was never pressed. Any idea why this is being done?
If you're turning in a crammed elevator you could be momentarily pressing multiple buttons with your backpack. That would most definitely be annoying for everyone.
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> In Japan it's not uncommon to have someone exit the elevator and just as they exit, press the close button so the door will close immediately behind them. This is a "sorry I interrupted your time by having to stop the elevator" gesture. This wouldn't work in the USA because the light sensors would trigger the doors reopening. Sounds annoying. If I see an elevator stop at a floor then I'd like a chance to actually g…
You don't think that before doing this gesture, the individual would check if there were people waiting to get on the elevator?
Elevators are ridiculously configurable. I know there are the famous talks on firefighter mode etc., but is there any in-depth presentation, manual explaining the configuration options, or other documentation for all the ways an elevator can be set up? For example, I suspect all of these cheat codes can be enabled or disabled based on wishes by the building owner, and aside from parameters like how long the door stay…
“From the Pit to the Penthouse” gives a lot of insight. All from a hacker perspective, but fascinating and fun. https://www.youtube.com/watch?v=rOzrJjdZDRQ
Our building has a different scheme where you summon the elevator by telling it which floor you want to go, and there are no controls inside the elevator to set the destination. This supposedly enables better scheduling of elevators.
Simple example: the single elevator in a building is empty and heading up to the 10th floor to pick up people heading down. If there’s a button press “I want to go up” on floor 3 while the elevator passes floor 2, should the elevator stop at floor 3 to pick up passengers? Probably not, as the passengers might want to go to the 20th floor, and it would be unfair to those on the 10th floor for the elevator to go up to the 20th floor before picking them up.
(corollary: if you see an elevator going in the direction you want to go pass the floor you’re waiting on, that’s not necessarily a bug in the scheduler)
If, on the other hand, there’s a button press “bring me to the 10th floor”, the elevator could stop at floor 3, pick up passengers, drop them off at the 10th floor, pick up those waiting there and go down. That means those waiting on floor 10 have to wait a bit longer for the extra stop on floor 3, but efficiency in #persons/hour or #person-floors/hour goes up.
Earlier quoted context omitted.
If you're turning in a crammed elevator you could be momentarily pressing multiple buttons with your backpack. That would most definitely be annoying for everyone.
Did you merge two comments together?
Our building has a different scheme where you summon the elevator by telling it which floor you want to go, and there are no controls inside the elevator to set the destination. This supposedly enables better scheduling of elevators.
Not supposedly, for some definition of “better scheduling.”. Elevator scheduling is hard. It isn’t even clear what to optimize for. It certainly isn’t only #persons/hour or #person-floors/hour, as that could leave people stranded forever at some floors (example: why would an elevator ever make the long journey for the 10th floor to pick up passengers if it always has passengers waiting to move between doors 2 and 3?)…
I remember a long time ago encountering an elevator (in the US) where the physical buttons were the push on/push off type so you could cancel using another press, and they also popped back out once the desired floor was reached. Anyone else remember that type of control? It's probably from the 40s/50s. I haven't seen one since.
https://www.youtube.com/watch?v=4ZUUr2nHpAE
There's also the "push to call, pull to cancel" mentioned in a sibling comment --- observe how the buttons are shaped such that they imply you can pull on them:
Other things about Japanese elevators 99% the "close door" button works immediately. Vs say USA where 80% are not even connected and where some are connected but the door doesn't respond for 1-2 seconds? 95% there are no light sensors, only pressure sensors. I'm guessing in the USA those are mandatory that there is a light sensor that if interrupted, causes the doors to open. In Japan those mostly don't exist, there…
> In Japan it's not uncommon to have someone exit the elevator and just as they exit, press the close button so the door will close immediately behind them. This is a "sorry I interrupted your time by having to stop the elevator" gesture. This wouldn't work in the USA because the light sensors would trigger the doors reopening. Sounds annoying. If I see an elevator stop at a floor then I'd like a chance to actually g…
Not super useful if there were other people in the car. But useful if you were by yourself.
Earlier quoted context omitted.
You don't think that before doing this gesture, the individual would check if there were people waiting to get on the elevator?
Hardly seems like it'd save any time if they would.