Luminaire, and luminaire control method
In a luminaire, a diffusing unit diffuses the light, which has been emitted from a light source unit, according to light transmissibility. A position information obtaining unit obtains position information which at least indicates the position of a person. A luminance obtaining unit obtains the lumi...
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| creator | ISHIWATA, TOMOKO KOGA, SHOTA HIGASHI, HIROKUNI |
| description | In a luminaire, a diffusing unit diffuses the light, which has been emitted from a light source unit, according to light transmissibility. A position information obtaining unit obtains position information which at least indicates the position of a person. A luminance obtaining unit obtains the luminance of a luminous part at the position specified in the position information. A calculating unit calculates, according to the light transmissibility and the luminance of the luminous part, a luminance uniformity ratio which indicates the uniformity in the luminance distribution in the luminous part at the position specified in the position information. According to the luminance and the luminance uniformity ratio, a control unit varies the light transmissibility and varies the light output of the light source unit. |
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A position information obtaining unit obtains position information which at least indicates the position of a person. A luminance obtaining unit obtains the luminance of a luminous part at the position specified in the position information. A calculating unit calculates, according to the light transmissibility and the luminance of the luminous part, a luminance uniformity ratio which indicates the uniformity in the luminance distribution in the luminous part at the position specified in the position information. According to the luminance and the luminance uniformity ratio, a control unit varies the light transmissibility and varies the light output of the light source unit.</description><language>eng ; fre ; ger</language><subject>BLASTING ; COLORIMETRY ; ELECTRIC HEATING ; ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR ; ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ; ELECTRICITY ; FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMSTHEREOF ; HEATING ; LIGHTING ; MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT,POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRA-RED,VISIBLE OR ULTRA-VIOLET LIGHT ; MEASURING ; MECHANICAL ENGINEERING ; PHYSICS ; RADIATION PYROMETRY ; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHERARTICLES, NOT OTHERWISE PROVIDED FOR ; TESTING ; WEAPONS</subject><creationdate>2014</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20140917&DB=EPODOC&CC=EP&NR=2779792A1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25562,76317</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20140917&DB=EPODOC&CC=EP&NR=2779792A1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>ISHIWATA, TOMOKO</creatorcontrib><creatorcontrib>KOGA, SHOTA</creatorcontrib><creatorcontrib>HIGASHI, HIROKUNI</creatorcontrib><title>Luminaire, and luminaire control method</title><description>In a luminaire, a diffusing unit diffuses the light, which has been emitted from a light source unit, according to light transmissibility. 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| subjects | BLASTING COLORIMETRY ELECTRIC HEATING ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ELECTRICITY FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMSTHEREOF HEATING LIGHTING MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT,POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRA-RED,VISIBLE OR ULTRA-VIOLET LIGHT MEASURING MECHANICAL ENGINEERING PHYSICS RADIATION PYROMETRY STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHERARTICLES, NOT OTHERWISE PROVIDED FOR TESTING WEAPONS |
| title | Luminaire, and luminaire control method |
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