STREETLAMP
PROBLEM TO BE SOLVED: To prevent light pollution, such as delays in the ear emergence, occurring in plants by night illuminating light by a streetlamp placed in a spot adjacent to a vegetated zone. SOLUTION: This streetlamp has a single light source type, in which a light source of green light with...
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| creator | IWATANI KIYOSHI KANEISHI ATSUSHI YAMAMOTO HARUHIKO |
| description | PROBLEM TO BE SOLVED: To prevent light pollution, such as delays in the ear emergence, occurring in plants by night illuminating light by a streetlamp placed in a spot adjacent to a vegetated zone. SOLUTION: This streetlamp has a single light source type, in which a light source of green light with wavelengths of 500 to 580 nm as a luminous body of the streetlamp, or a multiplex light source type, in which the light source of green and a light source of light including a wavelength region, except the green, such as a white light source, are combined. In the case of the multiplex light source type, the white light source or the like employs an LED with high directivity, the green light source irradiates a range including a vegetated area, and the white light source or the like will not irradiate the vegetated area. COPYRIGHT: (C)2008,JPO&INPIT |
| format | Patent |
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SOLUTION: This streetlamp has a single light source type, in which a light source of green light with wavelengths of 500 to 580 nm as a luminous body of the streetlamp, or a multiplex light source type, in which the light source of green and a light source of light including a wavelength region, except the green, such as a white light source, are combined. In the case of the multiplex light source type, the white light source or the like employs an LED with high directivity, the green light source irradiates a range including a vegetated area, and the white light source or the like will not irradiate the vegetated area. 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SOLUTION: This streetlamp has a single light source type, in which a light source of green light with wavelengths of 500 to 580 nm as a luminous body of the streetlamp, or a multiplex light source type, in which the light source of green and a light source of light including a wavelength region, except the green, such as a white light source, are combined. In the case of the multiplex light source type, the white light source or the like employs an LED with high directivity, the green light source irradiates a range including a vegetated area, and the white light source or the like will not irradiate the vegetated area. COPYRIGHT: (C)2008,JPO&INPIT</abstract><oa>free_for_read</oa></addata></record> |
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| language | eng |
| recordid | cdi_epo_espacenet_JP2008226567A |
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| subjects | BLASTING HEATING INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21Sand F21V, RELATING TO THEFORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THELIGHT EMITTED LIGHTING MECHANICAL ENGINEERING NON-PORTABLE LIGHTING DEVICES SYSTEMS THEREOF VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLEEXTERIORS WEAPONS |
| title | STREETLAMP |
| url | https://sfx.bib-bvb.de/sfx_tum?ctx_ver=Z39.88-2004&ctx_enc=info:ofi/enc:UTF-8&ctx_tim=2025-02-12T21%3A03%3A28IST&url_ver=Z39.88-2004&url_ctx_fmt=infofi/fmt:kev:mtx:ctx&rfr_id=info:sid/primo.exlibrisgroup.com:primo3-Article-epo_EVB&rft_val_fmt=info:ofi/fmt:kev:mtx:patent&rft.genre=patent&rft.au=IWATANI%20KIYOSHI&rft.date=2008-09-25&rft_id=info:doi/&rft_dat=%3Cepo_EVB%3EJP2008226567A%3C/epo_EVB%3E%3Curl%3E%3C/url%3E&disable_directlink=true&sfx.directlink=off&sfx.report_link=0&rft_id=info:oai/&rft_id=info:pmid/&rfr_iscdi=true |