ACTIVE NOISE CONTROL SYSTEM
A speaker (10) includes a radiation surface (15). The radiation surface (15) has a first region (15a), a second region (15b), and a third region (15c) between the first region (15a) and the second region (15b). When an axis passing through the third region (15c) and extending away from the radiation...
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| creator | OTO, Kohei YAMAMOTO, Saori KOMOTO, Yusuke KAJIKAWA, Yoshinobu HIROSE, Shun OBAN, Ryohei |
| description | A speaker (10) includes a radiation surface (15). The radiation surface (15) has a first region (15a), a second region (15b), and a third region (15c) between the first region (15a) and the second region (15b). When an axis passing through the third region (15c) and extending away from the radiation surface (15) is defined as a reference axis (10X), the speaker (10) forms a first wavefront (16a) propagating from the first region so as to approach the reference axis (10X) and a second wavefront (16b) propagating from the second region (15b) so as to approach the reference axis (10X). |
| format | Patent |
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The radiation surface (15) has a first region (15a), a second region (15b), and a third region (15c) between the first region (15a) and the second region (15b). When an axis passing through the third region (15c) and extending away from the radiation surface (15) is defined as a reference axis (10X), the speaker (10) forms a first wavefront (16a) propagating from the first region so as to approach the reference axis (10X) and a second wavefront (16b) propagating from the second region (15b) so as to approach the reference axis (10X).</description><language>eng ; fre ; ger</language><subject>ACOUSTICS ; ACOUSTICS NOT OTHERWISE PROVIDED FOR ; DEAF-AID SETS ; ELECTRIC COMMUNICATION TECHNIQUE ; ELECTRICITY ; LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKEACOUSTIC ELECTROMECHANICAL TRANSDUCERS ; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING,NOISE OR OTHER ACOUSTIC WAVES IN GENERAL ; MUSICAL INSTRUMENTS ; PHYSICS ; PUBLIC ADDRESS SYSTEMS ; SOUND-PRODUCING DEVICES</subject><creationdate>2023</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=20230125&DB=EPODOC&CC=EP&NR=3975169A4$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25563,76318</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20230125&DB=EPODOC&CC=EP&NR=3975169A4$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>OTO, Kohei</creatorcontrib><creatorcontrib>YAMAMOTO, Saori</creatorcontrib><creatorcontrib>KOMOTO, Yusuke</creatorcontrib><creatorcontrib>KAJIKAWA, Yoshinobu</creatorcontrib><creatorcontrib>HIROSE, Shun</creatorcontrib><creatorcontrib>OBAN, Ryohei</creatorcontrib><title>ACTIVE NOISE CONTROL SYSTEM</title><description>A speaker (10) includes a radiation surface (15). The radiation surface (15) has a first region (15a), a second region (15b), and a third region (15c) between the first region (15a) and the second region (15b). When an axis passing through the third region (15c) and extending away from the radiation surface (15) is defined as a reference axis (10X), the speaker (10) forms a first wavefront (16a) propagating from the first region so as to approach the reference axis (10X) and a second wavefront (16b) propagating from the second region (15b) so as to approach the reference axis (10X).</description><subject>ACOUSTICS</subject><subject>ACOUSTICS NOT OTHERWISE PROVIDED FOR</subject><subject>DEAF-AID SETS</subject><subject>ELECTRIC COMMUNICATION TECHNIQUE</subject><subject>ELECTRICITY</subject><subject>LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKEACOUSTIC ELECTROMECHANICAL TRANSDUCERS</subject><subject>METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING,NOISE OR OTHER ACOUSTIC WAVES IN GENERAL</subject><subject>MUSICAL INSTRUMENTS</subject><subject>PHYSICS</subject><subject>PUBLIC ADDRESS SYSTEMS</subject><subject>SOUND-PRODUCING DEVICES</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2023</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZJB2dA7xDHNV8PP3DHZVcPb3Cwny91EIjgwOcfXlYWBNS8wpTuWF0twMCm6uIc4euqkF-fGpxQWJyal5qSXxrgHGluamhmaWjibGRCgBACGbIGA</recordid><startdate>20230125</startdate><enddate>20230125</enddate><creator>OTO, Kohei</creator><creator>YAMAMOTO, Saori</creator><creator>KOMOTO, Yusuke</creator><creator>KAJIKAWA, Yoshinobu</creator><creator>HIROSE, Shun</creator><creator>OBAN, Ryohei</creator><scope>EVB</scope></search><sort><creationdate>20230125</creationdate><title>ACTIVE NOISE CONTROL SYSTEM</title><author>OTO, Kohei ; YAMAMOTO, Saori ; KOMOTO, Yusuke ; KAJIKAWA, Yoshinobu ; HIROSE, Shun ; OBAN, Ryohei</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_EP3975169A43</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; fre ; ger</language><creationdate>2023</creationdate><topic>ACOUSTICS</topic><topic>ACOUSTICS NOT OTHERWISE PROVIDED FOR</topic><topic>DEAF-AID SETS</topic><topic>ELECTRIC COMMUNICATION TECHNIQUE</topic><topic>ELECTRICITY</topic><topic>LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKEACOUSTIC ELECTROMECHANICAL TRANSDUCERS</topic><topic>METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING,NOISE OR OTHER ACOUSTIC WAVES IN GENERAL</topic><topic>MUSICAL INSTRUMENTS</topic><topic>PHYSICS</topic><topic>PUBLIC ADDRESS SYSTEMS</topic><topic>SOUND-PRODUCING DEVICES</topic><toplevel>online_resources</toplevel><creatorcontrib>OTO, Kohei</creatorcontrib><creatorcontrib>YAMAMOTO, Saori</creatorcontrib><creatorcontrib>KOMOTO, Yusuke</creatorcontrib><creatorcontrib>KAJIKAWA, Yoshinobu</creatorcontrib><creatorcontrib>HIROSE, Shun</creatorcontrib><creatorcontrib>OBAN, Ryohei</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>OTO, Kohei</au><au>YAMAMOTO, Saori</au><au>KOMOTO, Yusuke</au><au>KAJIKAWA, Yoshinobu</au><au>HIROSE, Shun</au><au>OBAN, Ryohei</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>ACTIVE NOISE CONTROL SYSTEM</title><date>2023-01-25</date><risdate>2023</risdate><abstract>A speaker (10) includes a radiation surface (15). The radiation surface (15) has a first region (15a), a second region (15b), and a third region (15c) between the first region (15a) and the second region (15b). When an axis passing through the third region (15c) and extending away from the radiation surface (15) is defined as a reference axis (10X), the speaker (10) forms a first wavefront (16a) propagating from the first region so as to approach the reference axis (10X) and a second wavefront (16b) propagating from the second region (15b) so as to approach the reference axis (10X).</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | ACOUSTICS ACOUSTICS NOT OTHERWISE PROVIDED FOR DEAF-AID SETS ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKEACOUSTIC ELECTROMECHANICAL TRANSDUCERS METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING,NOISE OR OTHER ACOUSTIC WAVES IN GENERAL MUSICAL INSTRUMENTS PHYSICS PUBLIC ADDRESS SYSTEMS SOUND-PRODUCING DEVICES |
| title | ACTIVE NOISE CONTROL SYSTEM |
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