| IPC 7 English version |
| F21K-F21K00700 |
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| SECTION F – MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING |
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| F 21 | LIGHTING (electric aspects or elements, see section H, e.g. electric light sources H01J, H01K, H05B) |
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| F 21 K | LIGHT SOURCES NOT OTHERWISE PROVIDED FOR |
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2/ | 00 | Light sources using luminescence (luminescent materials C09K 11/00; selection of luminescent materials for light screens F21V 9/16; using excitation by radioactivity G21H 3/02, H01J 65/06, H01J 65/08; transforming the wavelength of the light of gas- or vapour-discharge lamps by luminescence H01J 61/42; electroluminescent light sources H05B 33/00) [2,7] |
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2/ | 04 | . | using triboluminescence; using thermoluminescence |
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2/ | 06 | . | using chemiluminescence [3] |
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2/ | 08 | . | . | activated by an electric field, i.e. electrochemiluminescence [3] |
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5/ | 00 | Light sources using charges of combustible material, e.g. illuminating flash devices (explosive or thermic compositions C06B; fireworks F42B 4/00; photographic flash units G03B 15/03) [3,5] |
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5/ | 04 | . | Plural charges, e.g. associated for sequential ignition (F21K 5/06, F21K 5/12 take precedence) [5] |
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5/ | 06 | . | Charge containment [5] |
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5/ | 08 | . | . | Charge held in non-disrupting container, e.g. photo-flash bulb [5] |
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5/ | 10 | . | . | . | bearing a coating [5] |
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5/ | 12 | . | Charge ignition [5] |
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5/ | 14 | . | . | percussive [5] |
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5/ | 16 | . | . | electrical (circuit arrangements H05B 43/02) [5] |
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5/ | 18 | . | . | . | Electrically-ignited primers [5] |
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5/ | 20 | . | Charge feeding means [5] |
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5/ | 22 | . | Protective light shields [5] |
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7/ | 00 | Other light sources |
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