US Patent 11246406 Variable height platform system

A variable height platform system comprises a tabletop, a frame assembly for supporting the tabletop, a drive mechanism, a sensor, and a controller. The drive mechanism is configured to set a height of the frame assembly and the tabletop in an elevated position for use. The sensor is configured to sense position and movement of a user in a predetermined area including an area of the variable height platform system and an area proximate the variable height platform system. The controller is operatively connected to the sensor and drive mechanism. The controller is configured to operate the drive mechanism in response to the sensor sensing the position and movement of the user in the predetermined area.