Version: 2025.01
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CPC | COOPERATIVE PATENT CLASSIFICATION | |||
| G21H | OBTAINING ENERGY FROM RADIOACTIVE SOURCES; APPLICATIONS OF RADIATION FROM RADIOACTIVE SOURCES, NOT OTHERWISE PROVIDED FOR; UTILISING COSMIC RADIATION (measurement of nuclear or X-radiation G01T; fusion reactors G21B; nuclear reactors G21C; lamps in which a gas filling is excited to luminescence by external corpuscular radiation or by radioactive material structurally associated with the lamp H01J 65/04, H01J 65/06) [2018-08] WARNING
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G21H 1/00 | Arrangements for obtaining electrical energy from radioactive sources, e.g. from radioactive isotopes {, nuclear or atomic batteries} [2017-08] |
G21H 1/02 | . | Cells charged directly by beta radiation [2013-01] |
G21H 1/04 | . | Cells using secondary emission induced by alpha radiation, beta radiation, or gamma radiation [2018-05] |
G21H 1/06 | . | Cells wherein radiation is applied to the junction of different semiconductor materials [2013-01] |
G21H 1/08 | . | Cells in which radiation ionises a gas in the presence of a junction of two dissimilar metals, i.e. contact potential difference cells [2018-05] |
G21H 1/10 | . | Cells in which radiation heats a thermoelectric junction or a thermionic converter [2018-05] |
G21H 1/103 | . . | {Cells provided with thermo-electric generators} [2013-01] |
G21H 1/106 | . . | {Cells provided with thermionic generators} [2013-01] |
G21H 1/12 | . | Cells using conversion of the radiation into light combined with subsequent photoelectric conversion into electric energy [2013-01] |
G21H 3/00 | Arrangements for direct conversion of radiation energy from radioactive sources into forms of energy other than electric energy, e.g. {into} light {or mechanic energy} [2018-05] |
G21H 3/02 | . | in which material is excited to luminesce by the radiation (lamps in which a gas filling or screen or coating is excited to luminesce by radioactive material structurally associated with the lamp H01J 65/00) [2018-05] |
G21H 5/00 | Applications of radiation from radioactive sources or arrangements therefor, not otherwise provided for [2018-05] |
G21H 7/00 | Use of effects of cosmic radiation [2013-01] |