Photometric characteristics measurement device, especially for use with road surfaces, comprises an arrangement for generating insolation light beams and means for measurement and analysis of the reflected luminance
Device for measuring the photometric characteristics of a material (22) that comprises: an arrangement for creating N collimated and homogenous secondary light beams (IV), each beam of which insolates a given surface (20, 28) of the material with a given angle of incidence (gamma) relative to the no...
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| creator | CHASSAING PAUL GOYAT YANN GUILLARD YANNICK |
| description | Device for measuring the photometric characteristics of a material (22) that comprises: an arrangement for creating N collimated and homogenous secondary light beams (IV), each beam of which insolates a given surface (20, 28) of the material with a given angle of incidence (gamma) relative to the normal (eta) and at a second angle of incidence (approximatelyB) defined in a plane (P) of the insolation surface; a luminance sensor (24) for measuring the reflected luminance (V) from each insolated surface and; means for acquisition and processing of the luminance sensor signal.
L'invention concerne un dispositif de mesure de caractéristiques photométriques d'un matériau (22), qui comporte :- des moyens d'élaboration (16) d'un arrangement de N faisceaux lumineux secondaires collimatés et homogènes (IV), chacun desdits N faisceaux lumineux (IV) permettant d'insoler une surface déterminée (20, 28) dudit matériau (22) selon un premier angle d'incidence γ défini par rapport à la normale ( η ) à ladite surface à insoler (20, 28) et selon un second angle d'incidence ß défini dans un plan (P) de ladite surface à insoler (20, 28),- un capteur de luminance (24) pour capter la luminance réfléchie (V) par ladite surface insolée (20, 28), ledit capteur de luminance (24) étant écarté d'un angle d'observation a par rapport audit plan (P) de la surface à insoler (20, 28),- des moyens d'acquisition et de traitement (18) du signal transmis par ledit capteur de luminance (24). |
| format | Patent |
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L'invention concerne un dispositif de mesure de caractéristiques photométriques d'un matériau (22), qui comporte :- des moyens d'élaboration (16) d'un arrangement de N faisceaux lumineux secondaires collimatés et homogènes (IV), chacun desdits N faisceaux lumineux (IV) permettant d'insoler une surface déterminée (20, 28) dudit matériau (22) selon un premier angle d'incidence γ défini par rapport à la normale ( η ) à ladite surface à insoler (20, 28) et selon un second angle d'incidence ß défini dans un plan (P) de ladite surface à insoler (20, 28),- un capteur de luminance (24) pour capter la luminance réfléchie (V) par ladite surface insolée (20, 28), ledit capteur de luminance (24) étant écarté d'un angle d'observation a par rapport audit plan (P) de la surface à insoler (20, 28),- des moyens d'acquisition et de traitement (18) du signal transmis par ledit capteur de luminance (24).</description><edition>7</edition><language>eng ; fre</language><subject>INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES ; MEASURING ; PHYSICS ; TESTING</subject><creationdate>2003</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=20031219&DB=EPODOC&CC=FR&NR=2840990A1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25543,76293</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20031219&DB=EPODOC&CC=FR&NR=2840990A1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>CHASSAING PAUL</creatorcontrib><creatorcontrib>GOYAT YANN</creatorcontrib><creatorcontrib>GUILLARD YANNICK</creatorcontrib><title>Photometric characteristics measurement device, especially for use with road surfaces, comprises an arrangement for generating insolation light beams and means for measurement and analysis of the reflected luminance</title><description>Device for measuring the photometric characteristics of a material (22) that comprises: an arrangement for creating N collimated and homogenous secondary light beams (IV), each beam of which insolates a given surface (20, 28) of the material with a given angle of incidence (gamma) relative to the normal (eta) and at a second angle of incidence (approximatelyB) defined in a plane (P) of the insolation surface; a luminance sensor (24) for measuring the reflected luminance (V) from each insolated surface and; means for acquisition and processing of the luminance sensor signal.
L'invention concerne un dispositif de mesure de caractéristiques photométriques d'un matériau (22), qui comporte :- des moyens d'élaboration (16) d'un arrangement de N faisceaux lumineux secondaires collimatés et homogènes (IV), chacun desdits N faisceaux lumineux (IV) permettant d'insoler une surface déterminée (20, 28) dudit matériau (22) selon un premier angle d'incidence γ défini par rapport à la normale ( η ) à ladite surface à insoler (20, 28) et selon un second angle d'incidence ß défini dans un plan (P) de ladite surface à insoler (20, 28),- un capteur de luminance (24) pour capter la luminance réfléchie (V) par ladite surface insolée (20, 28), ledit capteur de luminance (24) étant écarté d'un angle d'observation a par rapport audit plan (P) de la surface à insoler (20, 28),- des moyens d'acquisition et de traitement (18) du signal transmis par ledit capteur de luminance (24).</description><subject>INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES</subject><subject>MEASURING</subject><subject>PHYSICS</subject><subject>TESTING</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2003</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNqNj71OBDEMhLehQMA7-AEO6fgpuBIhTpQI0Z9MdrKxlDgrOwu6J-V1yAIFJZUteWb8zenw-ZxqqwXNJFBIbBwaTLxJcCpgXwwF2mjEuwRsCD4jCOd8pFiNFgd9SEtklUfq6sgBvqFQy9xj4MRKbMY6_eSspgkK4yY6kajX3NeqlGVKjd7AZTWN63f1b_1fjvXCyvno4lQjtQQyxIzOPVJeiihrwPlwEjk7Ln7n2UD7x9eHp0vM9dA7dEpFO-xfru9ut7vd9v7q5h-SLwgVas8</recordid><startdate>20031219</startdate><enddate>20031219</enddate><creator>CHASSAING PAUL</creator><creator>GOYAT YANN</creator><creator>GUILLARD YANNICK</creator><scope>EVB</scope></search><sort><creationdate>20031219</creationdate><title>Photometric characteristics measurement device, especially for use with road surfaces, comprises an arrangement for generating insolation light beams and means for measurement and analysis of the reflected luminance</title><author>CHASSAING PAUL ; GOYAT YANN ; GUILLARD YANNICK</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_FR2840990A13</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; fre</language><creationdate>2003</creationdate><topic>INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES</topic><topic>MEASURING</topic><topic>PHYSICS</topic><topic>TESTING</topic><toplevel>online_resources</toplevel><creatorcontrib>CHASSAING PAUL</creatorcontrib><creatorcontrib>GOYAT YANN</creatorcontrib><creatorcontrib>GUILLARD YANNICK</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>CHASSAING PAUL</au><au>GOYAT YANN</au><au>GUILLARD YANNICK</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Photometric characteristics measurement device, especially for use with road surfaces, comprises an arrangement for generating insolation light beams and means for measurement and analysis of the reflected luminance</title><date>2003-12-19</date><risdate>2003</risdate><abstract>Device for measuring the photometric characteristics of a material (22) that comprises: an arrangement for creating N collimated and homogenous secondary light beams (IV), each beam of which insolates a given surface (20, 28) of the material with a given angle of incidence (gamma) relative to the normal (eta) and at a second angle of incidence (approximatelyB) defined in a plane (P) of the insolation surface; a luminance sensor (24) for measuring the reflected luminance (V) from each insolated surface and; means for acquisition and processing of the luminance sensor signal.
L'invention concerne un dispositif de mesure de caractéristiques photométriques d'un matériau (22), qui comporte :- des moyens d'élaboration (16) d'un arrangement de N faisceaux lumineux secondaires collimatés et homogènes (IV), chacun desdits N faisceaux lumineux (IV) permettant d'insoler une surface déterminée (20, 28) dudit matériau (22) selon un premier angle d'incidence γ défini par rapport à la normale ( η ) à ladite surface à insoler (20, 28) et selon un second angle d'incidence ß défini dans un plan (P) de ladite surface à insoler (20, 28),- un capteur de luminance (24) pour capter la luminance réfléchie (V) par ladite surface insolée (20, 28), ledit capteur de luminance (24) étant écarté d'un angle d'observation a par rapport audit plan (P) de la surface à insoler (20, 28),- des moyens d'acquisition et de traitement (18) du signal transmis par ledit capteur de luminance (24).</abstract><edition>7</edition><oa>free_for_read</oa></addata></record> |
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| subjects | INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MEASURING PHYSICS TESTING |
| title | Photometric characteristics measurement device, especially for use with road surfaces, comprises an arrangement for generating insolation light beams and means for measurement and analysis of the reflected luminance |
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