F21K 2/00 Non-electric light sources using luminescence; Light sources using electrochemiluminescence
Introduced: September 1968
Last revised: January 2006
Classification Context
- Section:
- MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- Class:
- LIGHTING
- Subclass:
- NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
Scope Notes
Limiting references: Using a radioactive source to excite a material into luminescence Lamps in which a gas filling is excited to luminesce by an external electromagnetic field or by external corpuscular radiation Lamps in which a gas filling is excited to luminesce by radioactive material structurally associated with the lamp Lamps in which a screen or coating is excited to luminesce by radioactive material located inside the vessel | Application references: Lighting devices or systems thereof, being portable or specially adapted for transportation Non-portable lighting devices or systems thereof Functional features or details of lighting devices or systems thereof; Structural combinations of lighting devices with other articles, not otherwise provided for
Related Keywords
2 direct subcodes
Child Classifications
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