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  2. Elevator - Wikipedia

    en.wikipedia.org/wiki/Elevator

    Inside the elevator there is no call button to push, or the buttons are there but they cannot be pushed—except door opening and alarm button—they only indicate stopping floors. The idea of destination control was originally conceived by Leo Port from Sydney in 1961, [ 67 ] but at that time elevator controllers were implemented in relays and ...

  3. Placebo button - Wikipedia

    en.wikipedia.org/wiki/Placebo_button

    A walk button in Bensonhurst, Brooklyn. Many walk buttons at pedestrian crossings were once functional in New York City, but now serve as placebo buttons. [7]In the United Kingdom and Hong Kong, pedestrian push-buttons on crossings using the Split Cycle Offset Optimisation Technique may or may not have any real effect on crossing timings, depending on their location and the time of day, and ...

  4. Talk:Idempotence - Wikipedia

    en.wikipedia.org/wiki/Talk:Idempotence

    > Elevator call buttons are idempotent, though many people think they are not. That cracked me up! who actually believes this daesotho 20:42, 21 Oct 2004 (UTC) What are you talking about? Dysprosia 23:32, 21 Oct 2004 (UTC) Obviously an old entry long ago deleted into history.

  5. Can condo president refuse to call for elevator repair on ...

    www.aol.com/condo-president-refuse-call-elevator...

    The counter argument would be that, even if the association were to call for repairs on evenings and weekends, that doesn’t mean those repairs will get made — I have seen situations where ...

  6. ‘Please hurry’: 911 audio captures panic, confusion after ...

    www.aol.com/please-hurry-911-audio-captures...

    The elevator was heading to the ninth floor, the caller says. And then, the elevator doors appear to open, and the woman tells someone to go to the stairs. The caller tells the dispatcher that ...

  7. Destination dispatch - Wikipedia

    en.wikipedia.org/wiki/Destination_dispatch

    A destination dispatch elevator, here using a Compass system from Otis.. Destination dispatch is an optimization technique used for multi-elevator installations, in which groups of passengers heading to the same destinations use the same elevators, thereby reducing waiting and travel times.

  8. Things Boomers Took for Granted That are Obsolete Now

    www.aol.com/things-boomers-took-granted-obsolete...

    Devices that rely on 3G, including old smartphones, some medical and security alarms, some car navigation and entertainment services, and old tablets and e-readers, stopped working by the end of 2022.

  9. Elevator Strikes - Wikipedia

    en.wikipedia.org/wiki/Elevator_Strikes

    The elevator strikes were instrumental to the automation of the elevator. As elevators were a dangerous machine that could only be comfortably operated by elevator operators, manufacturers began adding safety features and allowing the elevator to run on its own. [19] New features included emergency phones, emergency stop buttons, and alarms. [19]