ELECTROACOUSTIC TRANSDUCER

PROBLEM TO BE SOLVED: To improve the acoustic characteristic by preventing a face rigidity of a diaphragm from being deteriorated and extending a flat frequency characteristic region. SOLUTION: A magnetic circuit is configured by a yoke 1, a permanent magnet and a plate, a dome type diaphragm 5 is o...

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1. Verfasser:	HIROSHIMA YUKIMI
Format:	Patent
Sprache:	eng
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	HIROSHIMA YUKIMI
description	PROBLEM TO BE SOLVED: To improve the acoustic characteristic by preventing a face rigidity of a diaphragm from being deteriorated and extending a flat frequency characteristic region. SOLUTION: A magnetic circuit is configured by a yoke 1, a permanent magnet and a plate, a dome type diaphragm 5 is outerfitted slidably to a center pole 1a of the yoke 1 and an equalizer mount shaft 6b of an equalizer 6 is inserted to an open hole 5d in the center of the diaphragm 5 and fixed to the center pole 1a and a cylindrical part 5a of the diaphragm 5 is skided freely to a gap of the magnetic circuit. A coil 10 is wound thereon to form integrally a cylindrical reinforcement section 5e at the inner ridge of the open hole 5d of the diaphragm 5 or a torus corrugation is formed integrally to the surrounding part of the open hole 5d to prevent deterioration in the face rigidity of the surrounding part of the open hole 5d.
format	Patent
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SOLUTION: A magnetic circuit is configured by a yoke 1, a permanent magnet and a plate, a dome type diaphragm 5 is outerfitted slidably to a center pole 1a of the yoke 1 and an equalizer mount shaft 6b of an equalizer 6 is inserted to an open hole 5d in the center of the diaphragm 5 and fixed to the center pole 1a and a cylindrical part 5a of the diaphragm 5 is skided freely to a gap of the magnetic circuit. A coil 10 is wound thereon to form integrally a cylindrical reinforcement section 5e at the inner ridge of the open hole 5d of the diaphragm 5 or a torus corrugation is formed integrally to the surrounding part of the open hole 5d to prevent deterioration in the face rigidity of the surrounding part of the open hole 5d.</description><edition>6</edition><language>eng</language><subject>DEAF-AID SETS ; ELECTRIC COMMUNICATION TECHNIQUE ; ELECTRICITY ; LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKEACOUSTIC ELECTROMECHANICAL TRANSDUCERS ; PUBLIC ADDRESS SYSTEMS</subject><creationdate>1997</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=19971202&DB=EPODOC&CC=JP&NR=H09312897A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19971202&DB=EPODOC&CC=JP&NR=H09312897A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>HIROSHIMA YUKIMI</creatorcontrib><title>ELECTROACOUSTIC TRANSDUCER</title><description>PROBLEM TO BE SOLVED: To improve the acoustic characteristic by preventing a face rigidity of a diaphragm from being deteriorated and extending a flat frequency characteristic region. SOLUTION: A magnetic circuit is configured by a yoke 1, a permanent magnet and a plate, a dome type diaphragm 5 is outerfitted slidably to a center pole 1a of the yoke 1 and an equalizer mount shaft 6b of an equalizer 6 is inserted to an open hole 5d in the center of the diaphragm 5 and fixed to the center pole 1a and a cylindrical part 5a of the diaphragm 5 is skided freely to a gap of the magnetic circuit. 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SOLUTION: A magnetic circuit is configured by a yoke 1, a permanent magnet and a plate, a dome type diaphragm 5 is outerfitted slidably to a center pole 1a of the yoke 1 and an equalizer mount shaft 6b of an equalizer 6 is inserted to an open hole 5d in the center of the diaphragm 5 and fixed to the center pole 1a and a cylindrical part 5a of the diaphragm 5 is skided freely to a gap of the magnetic circuit. A coil 10 is wound thereon to form integrally a cylindrical reinforcement section 5e at the inner ridge of the open hole 5d of the diaphragm 5 or a torus corrugation is formed integrally to the surrounding part of the open hole 5d to prevent deterioration in the face rigidity of the surrounding part of the open hole 5d.</abstract><edition>6</edition><oa>free_for_read</oa></addata></record>
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language	eng
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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	ELECTROACOUSTIC TRANSDUCER
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