Mat Actuator Sliding Glass Doors

Their invention utilized a mat actuation system, which involved pressure-sensitive mats triggering the door’s opening mechanism.

In the 1960s, many stores had rubber mats in front of the sliding glass entry and exit doors. Stepping on these would activate the door causing it to slide open. These have gone away, replaced by motion sensors. I asked some millennials who had never even seen one of these gadgets.

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