Light display
OwnerTom Rowlandinventor
Life of this patent
Estimating the term…
Abstract
Equipment for producing projected visual light displays in which light from a light source is shone through a moving or rotating screen or fan and then and then through a transparent sheet onto a surface of which a substantial part of the transparent sheet is opaque and which opaque parts are distributed so that the transparent parts of the sheet are positioned in one or more separate areas, the light source is preferably elongated and shines through both sides of the fan.
Claims13
Equipment for generating a light display which equipment comprises sequentially (i) a light source for generating light, (ii) at least one rotatable fan and (iii) a partially transparent sheet in which a substantial part of the transparent sheet is opaque and which opaque parts are distributed so that the transparent parts of the sheet are positioned in one or more separate areas;
- light from the light source passing sequentially through the blades of the rotatable fan and the transparent sheet onto a display surface.
Dependencies are inferred from the claim text.