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e-ILV

The e-ILV provides free access to all the terms and definitions contained in the international standard CIE S 017:2020 ILV: International Lighting Vocabulary, 2nd edition.

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For the complete set of terms and definitions CIE S 017:2020 can be purchased from the CIE Webshop. Members of a CIE National Committee or Associate National Committee have access to a 66,7 % discount on the purchase price of the standard.

17-31-148

light signal

Note 1 to entry: A light signal can be a reflected image of the light source, for example the use of heliographs.

Note 2 to entry: The term "light signal" is sometimes used for an object or apparatus that emits a light signal, but this usage is not recommended (see "signal light").

Note 3 to entry: This entry was numbered 845-11-02 in IEC 60050-845:1987.

Publication date: 2020-12
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