Gas Discharge Tube Patents (Class 84/DIG13)
  • Patent number: 4158982
    Abstract: A light show apparatus for projecting an image upon a viewing surface in response to a variable sound source such as music or the like including illumination means directed through a light transmitting surface having a plurality of moveable particles disposed thereon wherein the illumination means is varied and the like transmitting surface is vibrated by vibrating means, simultaneously, to produce an ever-changing display of light projected upon the viewing surface by projection means.
    Type: Grant
    Filed: July 11, 1977
    Date of Patent: June 26, 1979
    Inventor: Philip E. Chusid