TRAFFIC MONITORING
The present invention provides an optical fibre sensor for traffic monitoring, which comprises a former consisting of an elongate plate, and an optical fibre wound onto at least one surface of the elongate plate. The elongate plate is flexible in a direction transverse to the at least one surface su...
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| creator | HILL, DAVID, JOHN THOMAS, SEAN, DORMER |
| description | The present invention provides an optical fibre sensor for traffic monitoring, which comprises a former consisting of an elongate plate, and an optical fibre wound onto at least one surface of the elongate plate. The elongate plate is flexible in a direction transverse to the at least one surface such that passage of traffic over the optical fibre sensor is arranged to cause a variation in at least one predetermined property of an optical signal transmitted through the optical fibre sensor. The resulting sensor has a reduced depth which makes it easier to locate within the surface of a traffic route, has increased flexibility to enable it to confirm to the surface of the traffic route, and has good cross axis sensitivity rejection.
L'invention concerne une capteur à fibres optiques permettant de surveiller le trafic qui comprend un formeur constitué d'une plaque oblongue et une fibre optique enroulée sur au moins une surface de la plaque oblongue. Cette plaque oblongue est flexible dans une direction transversale à au moins une surface de sorte que le passage du trafic sur le capteur à fibres optiques est conçu pour provoquer une variation d'au moins une propriété prédéterminée d'un signal optique transmis via le capteur à fibres optiques. Le capteur ainsi obtenu présente une profondeur réduite qui facilite sa localisation à l'intérieur de la surface d'un chemin de trafic, présente une flexibilité accrue de façon qu'il puisse se conformer à la surface du chemin de trafic et présente un bon rejet de la sensibilité transaxiale. |
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L'invention concerne une capteur à fibres optiques permettant de surveiller le trafic qui comprend un formeur constitué d'une plaque oblongue et une fibre optique enroulée sur au moins une surface de la plaque oblongue. Cette plaque oblongue est flexible dans une direction transversale à au moins une surface de sorte que le passage du trafic sur le capteur à fibres optiques est conçu pour provoquer une variation d'au moins une propriété prédéterminée d'un signal optique transmis via le capteur à fibres optiques. Le capteur ainsi obtenu présente une profondeur réduite qui facilite sa localisation à l'intérieur de la surface d'un chemin de trafic, présente une flexibilité accrue de façon qu'il puisse se conformer à la surface du chemin de trafic et présente un bon rejet de la sensibilité transaxiale.</description><edition>7</edition><language>eng ; fre</language><subject>ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTIONOF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, ORTHE LIKE ; CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES ; FIXED CONSTRUCTIONS ; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT ; MEASURING ; MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION,OR SHOCK ; PHYSICS ; SIGNALLING ; TESTING ; TRAFFIC CONTROL SYSTEMS ; WEIGHING</subject><creationdate>2002</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=20020822&DB=EPODOC&CC=WO&NR=02065426A1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76289</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20020822&DB=EPODOC&CC=WO&NR=02065426A1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>HILL, DAVID, JOHN</creatorcontrib><creatorcontrib>THOMAS, SEAN, DORMER</creatorcontrib><title>TRAFFIC MONITORING</title><description>The present invention provides an optical fibre sensor for traffic monitoring, which comprises a former consisting of an elongate plate, and an optical fibre wound onto at least one surface of the elongate plate. The elongate plate is flexible in a direction transverse to the at least one surface such that passage of traffic over the optical fibre sensor is arranged to cause a variation in at least one predetermined property of an optical signal transmitted through the optical fibre sensor. The resulting sensor has a reduced depth which makes it easier to locate within the surface of a traffic route, has increased flexibility to enable it to confirm to the surface of the traffic route, and has good cross axis sensitivity rejection.
L'invention concerne une capteur à fibres optiques permettant de surveiller le trafic qui comprend un formeur constitué d'une plaque oblongue et une fibre optique enroulée sur au moins une surface de la plaque oblongue. Cette plaque oblongue est flexible dans une direction transversale à au moins une surface de sorte que le passage du trafic sur le capteur à fibres optiques est conçu pour provoquer une variation d'au moins une propriété prédéterminée d'un signal optique transmis via le capteur à fibres optiques. Le capteur ainsi obtenu présente une profondeur réduite qui facilite sa localisation à l'intérieur de la surface d'un chemin de trafic, présente une flexibilité accrue de façon qu'il puisse se conformer à la surface du chemin de trafic et présente un bon rejet de la sensibilité transaxiale.</description><subject>ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTIONOF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, ORTHE LIKE</subject><subject>CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES</subject><subject>FIXED CONSTRUCTIONS</subject><subject>INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT</subject><subject>MEASURING</subject><subject>MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION,OR SHOCK</subject><subject>PHYSICS</subject><subject>SIGNALLING</subject><subject>TESTING</subject><subject>TRAFFIC CONTROL SYSTEMS</subject><subject>WEIGHING</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2002</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZBAKCXJ0c_N0VvD19_MM8Q_y9HPnYWBNS8wpTuWF0twMim6uIc4euqkF-fGpxQWJyal5qSXx4f4GRgZmpiZGZo6GxsSoAQBIBh48</recordid><startdate>20020822</startdate><enddate>20020822</enddate><creator>HILL, DAVID, JOHN</creator><creator>THOMAS, SEAN, DORMER</creator><scope>EVB</scope></search><sort><creationdate>20020822</creationdate><title>TRAFFIC MONITORING</title><author>HILL, DAVID, JOHN ; THOMAS, SEAN, DORMER</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_WO02065426A13</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; fre</language><creationdate>2002</creationdate><topic>ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTIONOF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, ORTHE LIKE</topic><topic>CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES</topic><topic>FIXED CONSTRUCTIONS</topic><topic>INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT</topic><topic>MEASURING</topic><topic>MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION,OR SHOCK</topic><topic>PHYSICS</topic><topic>SIGNALLING</topic><topic>TESTING</topic><topic>TRAFFIC CONTROL SYSTEMS</topic><topic>WEIGHING</topic><toplevel>online_resources</toplevel><creatorcontrib>HILL, DAVID, JOHN</creatorcontrib><creatorcontrib>THOMAS, SEAN, DORMER</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>HILL, DAVID, JOHN</au><au>THOMAS, SEAN, DORMER</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>TRAFFIC MONITORING</title><date>2002-08-22</date><risdate>2002</risdate><abstract>The present invention provides an optical fibre sensor for traffic monitoring, which comprises a former consisting of an elongate plate, and an optical fibre wound onto at least one surface of the elongate plate. The elongate plate is flexible in a direction transverse to the at least one surface such that passage of traffic over the optical fibre sensor is arranged to cause a variation in at least one predetermined property of an optical signal transmitted through the optical fibre sensor. The resulting sensor has a reduced depth which makes it easier to locate within the surface of a traffic route, has increased flexibility to enable it to confirm to the surface of the traffic route, and has good cross axis sensitivity rejection.
L'invention concerne une capteur à fibres optiques permettant de surveiller le trafic qui comprend un formeur constitué d'une plaque oblongue et une fibre optique enroulée sur au moins une surface de la plaque oblongue. Cette plaque oblongue est flexible dans une direction transversale à au moins une surface de sorte que le passage du trafic sur le capteur à fibres optiques est conçu pour provoquer une variation d'au moins une propriété prédéterminée d'un signal optique transmis via le capteur à fibres optiques. Le capteur ainsi obtenu présente une profondeur réduite qui facilite sa localisation à l'intérieur de la surface d'un chemin de trafic, présente une flexibilité accrue de façon qu'il puisse se conformer à la surface du chemin de trafic et présente un bon rejet de la sensibilité transaxiale.</abstract><edition>7</edition><oa>free_for_read</oa></addata></record> |
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| subjects | ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTIONOF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, ORTHE LIKE CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES FIXED CONSTRUCTIONS INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT MEASURING MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION,OR SHOCK PHYSICS SIGNALLING TESTING TRAFFIC CONTROL SYSTEMS WEIGHING |
| title | TRAFFIC MONITORING |
| url | https://sfx.bib-bvb.de/sfx_tum?ctx_ver=Z39.88-2004&ctx_enc=info:ofi/enc:UTF-8&ctx_tim=2025-02-05T16%3A35%3A11IST&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=HILL,%20DAVID,%20JOHN&rft.date=2002-08-22&rft_id=info:doi/&rft_dat=%3Cepo_EVB%3EWO02065426A1%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 |