HORN
PROBLEM TO BE SOLVED: To provide a horn which can ensure high sound pressure by increasing the suction force of a fixed core without increasing a current value passing through an exciting coil.SOLUTION: A horn comprises a moving core 7 fixed to a diaphragm, a fixed core 9 which is coaxial with the m...
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| creator | IWAMOTO HIDEYUKI IMAI NOBUYUKI NAGASE YUICHI TAKAKUSAKI RYUICHI |
| description | PROBLEM TO BE SOLVED: To provide a horn which can ensure high sound pressure by increasing the suction force of a fixed core without increasing a current value passing through an exciting coil.SOLUTION: A horn comprises a moving core 7 fixed to a diaphragm, a fixed core 9 which is coaxial with the moving core 7 and disposed so as to form a predetermined air gap G, an exciting coil 15 which forms a coil flux F (a first flux) capable of sucking the moving core 7 toward the fixed core 9 side, and a magnet 10 which forms a magnet flux Mg (a second flux)in a direction of the coil flux F between the moving core 7 and the fixed core 9. |
| format | Patent |
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ACOUSTICS NOT OTHERWISE PROVIDED FOR ; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING,NOISE OR OTHER ACOUSTIC WAVES IN GENERAL ; MUSICAL INSTRUMENTS ; PHYSICS ; SOUND-PRODUCING DEVICES</subject><creationdate>2012</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=20120405&DB=EPODOC&CC=JP&NR=2012068382A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76289</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20120405&DB=EPODOC&CC=JP&NR=2012068382A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>IWAMOTO HIDEYUKI</creatorcontrib><creatorcontrib>IMAI NOBUYUKI</creatorcontrib><creatorcontrib>NAGASE YUICHI</creatorcontrib><creatorcontrib>TAKAKUSAKI RYUICHI</creatorcontrib><title>HORN</title><description>PROBLEM TO BE SOLVED: To provide a horn which can ensure high sound pressure by increasing the suction force of a fixed core without increasing a current value passing through an exciting coil.SOLUTION: A horn comprises a moving core 7 fixed to a diaphragm, a fixed core 9 which is coaxial with the moving core 7 and disposed so as to form a predetermined air gap G, an exciting coil 15 which forms a coil flux F (a first flux) capable of sucking the moving core 7 toward the fixed core 9 side, and a magnet 10 which forms a magnet flux Mg (a second flux)in a direction of the coil flux F between the moving core 7 and the fixed core 9.</description><subject>ACOUSTICS</subject><subject>ACOUSTICS NOT OTHERWISE PROVIDED FOR</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>SOUND-PRODUCING DEVICES</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2012</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZGDx8A_y42FgTUvMKU7lhdLcDEpuriHOHrqpBfnxqcUFicmpeakl8V4BRgaGRgZmFsYWRo7GRCkCAOmTGpY</recordid><startdate>20120405</startdate><enddate>20120405</enddate><creator>IWAMOTO HIDEYUKI</creator><creator>IMAI NOBUYUKI</creator><creator>NAGASE YUICHI</creator><creator>TAKAKUSAKI RYUICHI</creator><scope>EVB</scope></search><sort><creationdate>20120405</creationdate><title>HORN</title><author>IWAMOTO HIDEYUKI ; 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| subjects | ACOUSTICS ACOUSTICS NOT OTHERWISE PROVIDED FOR METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING,NOISE OR OTHER ACOUSTIC WAVES IN GENERAL MUSICAL INSTRUMENTS PHYSICS SOUND-PRODUCING DEVICES |
| title | HORN |
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