Loudspeaker apparatus

Loudspeaker apparatus

A plurality of heat conduction bodies (13) comprising a metallic material are located with a space held between each other, and attached with a connection with at least one of a voice coil bobbin (7) comprising an insulating material and a voice coil (6). Further, one end of each heat conduction bod...

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1. Verfasser: KUDO, YOSHIMI
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
DEAF-AID SETS
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKEACOUSTIC ELECTROMECHANICAL TRANSDUCERS
PUBLIC ADDRESS SYSTEMS
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creator KUDO, YOSHIMI
description A plurality of heat conduction bodies (13) comprising a metallic material are located with a space held between each other, and attached with a connection with at least one of a voice coil bobbin (7) comprising an insulating material and a voice coil (6). Further, one end of each heat conduction body is connected to a center cap (12) comprising a metallic material. When the voice coil generates heat, the heat can be radiated by transmitting it to the center cap through the heat conduction body. Additionally, the heat conduction body with a shape of band is attached with a space held between each other, and the voice coil bobbin is formed with an insulating material, so that an eddy current caused by a magnetic field in a magnetic gap (5) can be restrained from occurring.
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Further, one end of each heat conduction body is connected to a center cap (12) comprising a metallic material. When the voice coil generates heat, the heat can be radiated by transmitting it to the center cap through the heat conduction body. Additionally, the heat conduction body with a shape of band is attached with a space held between each other, and the voice coil bobbin is formed with an insulating material, so that an eddy current caused by a magnetic field in a magnetic gap (5) can be restrained from occurring.</description><edition>7</edition><language>eng ; fre ; ger</language><subject>DEAF-AID SETS ; ELECTRIC COMMUNICATION TECHNIQUE ; ELECTRICITY ; LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKEACOUSTIC ELECTROMECHANICAL TRANSDUCERS ; PUBLIC ADDRESS SYSTEMS</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&amp;date=20030702&amp;DB=EPODOC&amp;CC=EP&amp;NR=1324633A2$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25543,76293</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&amp;date=20030702&amp;DB=EPODOC&amp;CC=EP&amp;NR=1324633A2$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>KUDO, YOSHIMI</creatorcontrib><title>Loudspeaker apparatus</title><description>A plurality of heat conduction bodies (13) comprising a metallic material are located with a space held between each other, and attached with a connection with at least one of a voice coil bobbin (7) comprising an insulating material and a voice coil (6). 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Further, one end of each heat conduction body is connected to a center cap (12) comprising a metallic material. When the voice coil generates heat, the heat can be radiated by transmitting it to the center cap through the heat conduction body. Additionally, the heat conduction body with a shape of band is attached with a space held between each other, and the voice coil bobbin is formed with an insulating material, so that an eddy current caused by a magnetic field in a magnetic gap (5) can be restrained from occurring.</abstract><edition>7</edition><oa>free_for_read</oa></addata></record>
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language eng ; fre ; ger
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subjects DEAF-AID SETS
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKEACOUSTIC ELECTROMECHANICAL TRANSDUCERS
PUBLIC ADDRESS SYSTEMS
title Loudspeaker apparatus
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