Word: operatorless
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Dates: during 1950-1959
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Talking Elevator. At Manhattan's 99 Park Avenue, a 26-story office building, Westinghouse installed its first "phantom voice" for operatorless elevators, which calls out messages recorded on magnetic tape. The "voice" can announce, among other things, "This car up," "Going Down" and the floor number. It also doubles as a warning device. If a passenger forgets to press his floor button as soon as he steps into the elevator, the voice reminds him: "Press your floor button, please." The passenger who holds open the doors gets a quick command: "Release the doors, please." Cost of the voice...
...elevator trend to robot machines is growing. Otis Elevator Co. is building 30 operatorless elevators for Prudential's 41-story Chicago offices, and robot elevators now account for 75% of Otis' sales, v. only...
Westinghouse's engineers, given free rein, also brought forth an operatorless elevator,* which promises to revolutionize city office-building transportation. Each car not only operates itself electrically (it will not stop at a floor where no one has rung), but coordinates its operation with every other car in the system, so that no two stop at the same floor...
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