JP2019530353A - 複数のドライブユニットを備えるラウドスピーカユニット - Google Patents
複数のドライブユニットを備えるラウドスピーカユニット Download PDFInfo
- Publication number
- JP2019530353A JP2019530353A JP2019516497A JP2019516497A JP2019530353A JP 2019530353 A JP2019530353 A JP 2019530353A JP 2019516497 A JP2019516497 A JP 2019516497A JP 2019516497 A JP2019516497 A JP 2019516497A JP 2019530353 A JP2019530353 A JP 2019530353A
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- JP
- Japan
- Prior art keywords
- magnets
- loudspeaker unit
- drive units
- loudspeaker
- voice coils
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/06—Loudspeakers
- H04R9/063—Loudspeakers using a plurality of acoustic drivers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/02—Details
- H04R9/025—Magnetic circuit
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/02—Details
- H04R9/04—Construction, mounting, or centering of coil
- H04R9/046—Construction
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F7/00—Magnets
- H01F7/02—Permanent magnets [PM]
- H01F7/0205—Magnetic circuits with PM in general
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F7/00—Magnets
- H01F7/02—Permanent magnets [PM]
- H01F7/0273—Magnetic circuits with PM for magnetic field generation
- H01F7/0289—Transducers, loudspeakers, moving coil arrangements
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/12—Stationary parts of the magnetic circuit
- H02K1/17—Stator cores with permanent magnets
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R13/00—Transducers having an acoustic diaphragm of magnetisable material directly co-acting with electromagnet
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2209/00—Details of transducers of the moving-coil, moving-strip, or moving-wire type covered by H04R9/00 but not provided for in any of its subgroups
- H04R2209/024—Manufacturing aspects of the magnetic circuit of loudspeaker or microphone transducers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2209/00—Details of transducers of the moving-coil, moving-strip, or moving-wire type covered by H04R9/00 but not provided for in any of its subgroups
- H04R2209/041—Voice coil arrangements comprising more than one voice coil unit on the same bobbin
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R7/00—Diaphragms for electromechanical transducers; Cones
- H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
- H04R7/04—Plane diaphragms
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/06—Loudspeakers
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Abstract
Description
Claims (12)
- 振動膜(2)と、前記振動膜(2)を駆動する複数のドライブユニット(5)とを備えるラウドスピーカユニットであって、
前記複数のドライブユニット(5)がそれぞれ、n個のボイスコイル(3)と、少なくともn+1個の磁石(4)とを有し、nが1以上の整数であり、
前記少なくともn+1個の磁石(4)が、軸線方向に磁化された磁石であって、前記少なくともn+1個の磁石(4)の内の隣接するものが、同様の極部が互いに対向するように軸線方向に積層されており、前記少なくともn+1個の磁石(4)が、前記積層で、磁石離間距離(dm)を空けて離間されており、前記磁石離間距離(dm)が、前記n個のボイスコイル(3)の前記積層の方向の幅(ws)と実質的に等しい、ラウドスピーカユニット。 - 前記n個のボイスコイル(3)が、前記振動膜(2)に機械的に固定されている、請求項1に記載のラウドスピーカユニット。
- 前記n個のボイスコイル(3)が、円筒形の支持部材(6)に取り付けられている、請求項1または2に記載のラウドスピーカユニット。
- 前記複数のドライブユニット(5)は並列構成に配置されている、請求項1〜3のいずれか一項に記載のラウドスピーカユニット。
- 前記少なくともn+1個の磁石(4)がネオジム磁石である、請求項1〜4のいずれか一項に記載のラウドスピーカユニット。
- 前記少なくともn+1個の磁石(4)が円筒形磁石である、請求項1〜5のいずれか一項に記載のラウドスピーカユニット。
- 前記少なくともn+1個の磁石(4)が、スペーサ(7)により、前記磁石離間距離(dm)で固定されている、請求項1〜6のいずれか一項に記載のラウドスピーカユニット。
- 前記少なくともn+1個の磁石(4)が、ラウドスピーカベースフレーム(8)に固定的に取り付けられている、請求項1〜7のいずれか一項に記載のラウドスピーカユニット。
- 前記複数のドライブユニット(5)がそれぞれ、n個のボイスコイル(3)と、少なくともn+1個の磁石(4)とを有し、nは2以上の整数であり、前記n個のボイスコイル(3)が、軸線方向に、磁石離間距離(ds)を空けて離間されており、前記磁石離間距離(ds)は、前記磁石(4)の前記積層の方向の幅(wm)と実質的に等しい、請求項1〜8のいずれか一項に記載のラウドスピーカユニット。
- 前記n個のボイスコイル(3)の、互いに対向するものが、巻き回し方向が逆である、請求項9に記載のラウドスピーカユニット。
- 前記複数のドライブユニット(5)それぞれの、前記n個のボイスコイル(3)が、並列回路接続で、互いに電気的に接続されている、請求項1〜10のいずれか1項に記載のラウドスピーカユニット。
- 前記複数のドライブユニット(5)それぞれの、前記n個のボイスコイル(3)が、並列および直列の合成回路接続で、互いに電気的に接続されている、請求項1〜10のいずれか1項に記載のラウドスピーカユニット。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL2017514A NL2017514B1 (en) | 2016-09-22 | 2016-09-22 | Loudspeaker unit with multiple drive units |
NL2017514 | 2016-09-22 | ||
PCT/NL2017/050627 WO2018056814A1 (en) | 2016-09-22 | 2017-09-21 | Loudspeaker unit with multiple drive units |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2019530353A true JP2019530353A (ja) | 2019-10-17 |
JP7074408B2 JP7074408B2 (ja) | 2022-05-24 |
Family
ID=57042975
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2019516497A Active JP7074408B2 (ja) | 2016-09-22 | 2017-09-21 | 複数のドライブユニットを備えるラウドスピーカユニット |
Country Status (7)
Country | Link |
---|---|
US (1) | US10893367B2 (ja) |
EP (1) | EP3516885B1 (ja) |
JP (1) | JP7074408B2 (ja) |
KR (3) | KR20220146675A (ja) |
CN (1) | CN109937582B (ja) |
NL (1) | NL2017514B1 (ja) |
WO (1) | WO2018056814A1 (ja) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DK180111B1 (en) * | 2018-10-04 | 2020-05-06 | Upper Level Aps | A magnetic system for an electromechanical transducer |
WO2020207608A1 (en) | 2019-04-11 | 2020-10-15 | Mayht Holding B.V. | Linear motor magnet assembly and loudspeaker unit |
CN110248297A (zh) * | 2019-07-15 | 2019-09-17 | 苏州茹声电子有限公司 | 一种多路输入驱动的小型扬声器及中高音扬声器 |
WO2022029005A1 (en) | 2020-08-03 | 2022-02-10 | Mayht Holding B.V. | Speaker unit |
CN112468941A (zh) * | 2020-11-30 | 2021-03-09 | 瑞声新能源发展(常州)有限公司科教城分公司 | 发声装置 |
KR20230129833A (ko) | 2022-03-02 | 2023-09-11 | 김상연 | 높은 책상과 낮은 침대 |
WO2024073298A1 (en) | 2022-09-29 | 2024-04-04 | Sonos, Inc. | Suspension system for loudspeaker |
WO2024073566A1 (en) | 2022-09-29 | 2024-04-04 | Sonos, Inc. | Suspension system for loudspeaker |
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-
2016
- 2016-09-22 NL NL2017514A patent/NL2017514B1/en not_active IP Right Cessation
-
2017
- 2017-09-21 JP JP2019516497A patent/JP7074408B2/ja active Active
- 2017-09-21 KR KR1020227035924A patent/KR20220146675A/ko not_active Application Discontinuation
- 2017-09-21 KR KR1020227007379A patent/KR102456817B1/ko active IP Right Grant
- 2017-09-21 KR KR1020197008461A patent/KR20190053196A/ko not_active IP Right Cessation
- 2017-09-21 US US16/335,690 patent/US10893367B2/en active Active
- 2017-09-21 WO PCT/NL2017/050627 patent/WO2018056814A1/en active Search and Examination
- 2017-09-21 CN CN201780065624.3A patent/CN109937582B/zh active Active
- 2017-09-21 EP EP17787040.9A patent/EP3516885B1/en active Active
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JPS5484932U (ja) * | 1977-11-26 | 1979-06-15 | ||
JPH09322294A (ja) * | 1996-05-27 | 1997-12-12 | Sony Corp | トリプルコイルスピーカ |
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Also Published As
Publication number | Publication date |
---|---|
EP3516885B1 (en) | 2020-06-17 |
JP7074408B2 (ja) | 2022-05-24 |
KR20220146675A (ko) | 2022-11-01 |
CN109937582B (zh) | 2021-07-09 |
EP3516885A1 (en) | 2019-07-31 |
WO2018056814A8 (en) | 2018-11-01 |
WO2018056814A1 (en) | 2018-03-29 |
US20200037078A1 (en) | 2020-01-30 |
KR20190053196A (ko) | 2019-05-17 |
CN109937582A (zh) | 2019-06-25 |
US10893367B2 (en) | 2021-01-12 |
KR20220035270A (ko) | 2022-03-21 |
KR102456817B1 (ko) | 2022-10-21 |
NL2017514B1 (en) | 2018-03-29 |
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