Internally illuminated sign
AssigneeHolophane Corporation
InventorsGregory J. Subisak, Douglas Scott Hammond
Life of this patent
Estimating the term…
Abstract
An internally illuminated sign in which a luminaire mounted on the border or periphery of the sign uniformly illuminates the face and/or faces of the sign thereby eliminating any necessity for providing human access to the interior of the sign for maintenance and relamping.
Claims2
In a sign having at least two spatially separated faces adapted to be illuminated from light radiated into the interior of said sign between said spatially separated faces, said at least two spatially separated faces including at least one translucent face, the improvement comprising:
- a luminaire mountable on the periphery of said sign having means for providing light in the region between said spatially separated faces, means for eliminating bright spots on said at least one translucent faces adjacent said luminaire, said elimination means comprising a perforated metal panel.
In a sign having at least two spatially separated faces adapted to be illuminated from light radiated into the interior of said sign between said spatially separated faces, said at least two spatially separated faces including at least one translucent face, the improvement comprising:
- a luminaire mountable on the periphery of said sign having means for providing light in the region between said spatially separated faces, means for eliminating bright spots on said at least one translucent faces adjacent said luminaire, said elimination means comprising a pair of spatially separated perforated metal panels disposed parallel to said at least one translucent face.
Dependencies are inferred from the claim text.