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1. (WO2018051480) ELECTROACOUSTIC CONVERSION DEVICE
PCT Biblio. Data
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Pub. No.:
WO/2018/051480
International Application No.:
PCT/JP2016/077381
Publication Date:
22.03.2018
International Filing Date:
16.09.2016
IPC:
H04R 9/02
(2006.01) ,
H04R 7/22
(2006.01)
H
ELECTRICITY
04
ELECTRIC COMMUNICATION TECHNIQUE
R
LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
9
Transducers of moving-coil, moving-strip, or moving-wire type
02
Details
H
ELECTRICITY
04
ELECTRIC COMMUNICATION TECHNIQUE
R
LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
7
Diaphragms for electromechanical transducers; Cones
16
Mounting or tensioning of diaphragms or cones
18
at the periphery
22
Clamping rim of diaphragm or cone against seating
Applicants:
東京音響株式会社 TOKYO ONKYO CO., LTD.
[JP/JP]; 東京都千代田区有楽町一丁目12番1号 新有楽町ビル2階 Shin-Yurakucho Building 2F, 1-12-1 Yurakucho, Chiyoda-ku, Tokyo 1000006, JP
Inventors:
田中 賢太 TANAKA Kenta
; JP
Agent:
達野 大輔 TATSUNO Daisuke
; JP
松本 慶 MATSUMOTO Kei
; 東京都港区六本木1-9-10 アークヒルズ仙石山森タワー28F ベーカー&マッケンジー法律事務所(外国法共同事業) Baker & McKenzie, Ark Hills Sengokuyama Mori Tower 28F, 1-9-10 Roppongi, Minato-ku, Tokyo 1060032, JP
岡田 次弘 OKADA Tsugihiro
; 東京都港区六本木1-9-10 アークヒルズ仙石山森タワー28F ベーカー&マッケンジー法律事務所(外国法共同事業) Baker & McKenzie, Ark Hills Sengokuyama Mori Tower 28F, 1-9-10 Roppongi, Minato-ku, Tokyo 1060032, JP
松澤 由香 MATSUZAWA Yuka
; 東京都港区六本木1-9-10 アークヒルズ仙石山森タワー28F ベーカー&マッケンジー法律事務所(外国法共同事業) Baker & McKenzie, Ark Hills Sengokuyama Mori Tower 28F, 1-9-10 Roppongi, Minato-ku, Tokyo 1060032, JP
Priority Data:
Title
(EN)
ELECTROACOUSTIC CONVERSION DEVICE
(FR)
DISPOSITIF DE CONVERSION ÉLECTROACOUSTIQUE
(JA)
電気音響変換装置
Abstract:
(EN)
[Problem] With regard to an electroacoustic conversion device, to facilitate miniaturization and, in particular, thinning, and the stabilizing of characteristics. [Solution] A drive magnet 37 and a pole piece 39 are fixed in a yoke 35. Fixed to the yoke 35 is a ring-shaped flange part 45 which is thinner than the yoke 35, and which protrudes in the outer circumferential direction at the end of the yoke 35. At the outer circumferential edge of the flange part 45, an annular attachment section 45b is disposed in an extending manner, and an annular contact section 45c is disposed in an extending manner on the outside of the attachment section 45b. A vibration film 47 is attached to the attachment section 45b so as to cover the pole piece 39 and the flange part 45. A voice coil 49 is fixed to the vibration film 47, and the voice coil is inserted between the pole piece 39 and the yoke 35. The inner wall of a case body 53 comes into contact with the contact section 45c.
(FR)
Le problème décrit par la présente invention, qui concerne un dispositif de conversion électroacoustique, est de faciliter la miniaturisation et, en particulier, l'amincissement et la stabilisation de caractéristiques. À cet effet, un aimant d'entraînement (37) et une pièce polaire (39) sont fixés dans une culasse (35). Une partie de bride en forme d'anneau (45) plus mince que la culasse (35), et faisant saillie dans la direction circonférentielle externe à l'extrémité de la culasse, est fixée à la culasse. Au niveau du bord circonférentiel externe de la partie de bride (45), une section de fixation annulaire (45b) est disposée de manière à s'étendre, et une section de contact annulaire (45c) est disposée de manière à s'étendre sur l'extérieur de la section de fixation (45b). Un film de vibration (47) est fixé à la section de fixation (45b) de manière à recouvrir la pièce polaire (39) et la partie de bride (45). Une bobine acoustique (49) est fixée au film de vibration (47), et la bobine acoustique est insérée entre la pièce polaire (39) et la culasse (35). La paroi interne d'un corps de boîtier (53) vient en contact avec la section de contact (45c).
(JA)
【課題】 電気音響変換装置において、小型化、特に薄型化と特性の安定化を容易にする。 【解決手段】 ヨーク35内に駆動マグネット37とポールピース39を固定する。ヨーク35には、これより薄いリング状フランジ45であってヨーク35先端部にて外周方向へせり出すフランジ部45を固定する。フランジ部45の外周縁部には、環状の貼付部45bと、貼付部45b外側に環状の当接部45cを延設する。振動膜47をポールピース39とフランジ部45を塞ぐように貼付部45bに貼付ける。振動膜47にボイスコイル49を固定してポールピース39とヨーク35間に挿入する。ケース本体53内壁を当接部45cに当接する。
Designated States:
AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IR, IS, JP, KE, KG, KN, KP, KR, KW, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW
African Regional Intellectual Property Organization (ARIPO) (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Office (AM, AZ, BY, KG, KZ, RU, TJ, TM)
European Patent Office (EPO) (AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG)
Publication Language:
Japanese (
JA
)
Filing Language:
Japanese (
JA
)