Indirect illumination definition

Indirect illumination means a source of illumination directed toward a sign so that the beam of light falls upon the exterior surface of the sign.
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Indirect illumination means a light source not seen directly.
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Indirect illumination means the light source is separate from the sign face or cabinet and is directed so as to shine on the sign.
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Examples of Indirect illumination in a sentence

  • Indirect illumination, floodlighting, or internal illumination shall be the only allowable means of illumination of signs.

  • Indirect illumination is up- dated incrementally and the result of each update is immedi- ately delivered to the user.

  • Indirect illumination does not include lighting which is primarily used for purposes other than sign illumination, e.g., parking lot lights or lights inside a building which may silhouette a window sign but which are primarily installed to serve as inside illumination.

  • Indirect illumination of signs, canopies and buildings is permitted provided it complies with the regulations in §§ 152.110 through 152.122, below.

  • Indirect illumination is when light has been reflected or re- fracted by other objects or particles before reaching its desti- nation.


More Definitions of Indirect illumination

Indirect illumination means a sign that is affected by a source of light not contained within the sign itself.
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Indirect illumination means illumination which reflects light from a source intentionally directed upon a sign, or an externally illuminated sign;
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Indirect illumination means illumination which is cast on a sign from a source outside the sign
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Indirect illumination means illumination only by means of light cast upon an opaque surface from a concealed source.
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Indirect illumination means a source of external illumination located a distance away from the sign, which lights the sign, but which is itself not visible to persons viewing the sign from any normal position of view.
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Indirect illumination means the lighting of a sign by reflected light;
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Indirect illumination means illumination of a sign by means of light cast upon it from a concealed source outside the sign itselfReserved.
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