The term Automatic Door is used to describe any self opening door.  The mechanism used to open the door is not important, with several different approaches having been used.

Automatic doors can be found in almost all societies Tech Level D or above[1].

The sensors used to open the door can be as simple as a switch hidden as part of the floor that would open for anything that trips the sensor to sophisticated ones that not only scan for approaching individuals, but also verify their identity and if they have authorization to pass through the doors at that time.


  1. The few societies known to be above TL D that don't use automatic doors typically have strong cultural reasons for not using them.
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