Source : Free On-Line Dictionary of Computing

beamer
     
        1.  A video projector that can be connected
        to a computer instead of, or as well as, a {monitor}, and used
        for making presentations.
     
        [Examples?  Proper term?]
     
        2. A personal video station (PVS) that adds video to standard
        telephone lines at no additional cost.
     
        (1999-10-24)