| 摘要 |
The invention relates to a lift installation and to a method of operating a lift installation with a shaft (10), in which at least one first lift car (20) and second lift car (30) are separately movable upwardly and downwardly for serving destination calls and with a control device (40), which determines a suitable lift car (20, 30) for serving the destination calls. The first lift car (20) is moved either synchronously in time with the second lift car (30), or displaced in time relative to the second lift car (30), in dependence on at least one operating parameter, but still within the time duration of a journey of the second lif t car (30).
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