Disclosed is an integral intelligent desktop device comprising: a desktop portion; a display unit connected with the desktop portions with a surface of the desktop portion forming a desktop of the integral intelligent desktop device with a surface of the display unit together; a projection unit performing a projection display of displayed content of the display unit; a process unit electrically connected with the display unit and the projection unit, wherein the projection unit is built in the display unit, and the display unit is movable and/or rotatable relative to the desktop portion.

A smart lectern system is provided. The smart lectern system comprises a smart lectern comprising a base, a mast extending from the base and a touchscreen panel attached to the mast wherein the touchscreen panel generates a touch communication. A hub is provided wherein the hub receives the touch communication and transmits a touch command to an output driver.

An apparatus drives and guides movement of a display assembly that includes a display unit. At least one track extends along at least one side of the display assembly and defines a path along which the display assembly is driven. A plurality of pins extend from the display assembly to the at least one track. At least one constant force spring has at one end a coiled part that is rotatably coupled to the display assembly, and an opposing end fastened to a fixed mounting location, and an uncoiled part extending between the coiled part and the opposing end. The at least one constant force spring is configured to drive the display assembly from a lowered position to a raised position while the plurality of pins travels along the at least one track and guide movement of the display assembly.