CN103155595A - 扬声器用磁路及使用其的扬声器 - Google Patents
扬声器用磁路及使用其的扬声器 Download PDFInfo
- Publication number
- CN103155595A CN103155595A CN2011800489489A CN201180048948A CN103155595A CN 103155595 A CN103155595 A CN 103155595A CN 2011800489489 A CN2011800489489 A CN 2011800489489A CN 201180048948 A CN201180048948 A CN 201180048948A CN 103155595 A CN103155595 A CN 103155595A
- Authority
- CN
- China
- Prior art keywords
- binding magnet
- yoke
- magnetic
- loud speaker
- magnetic circuit
- 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.)
- Granted
Links
- 238000005452 bending Methods 0.000 claims description 6
- 238000001746 injection moulding Methods 0.000 claims description 5
- 230000004907 flux Effects 0.000 description 47
- 239000006247 magnetic powder Substances 0.000 description 31
- 229920005989 resin Polymers 0.000 description 24
- 239000011347 resin Substances 0.000 description 24
- 239000000696 magnetic material Substances 0.000 description 13
- 239000000463 material Substances 0.000 description 13
- 239000000126 substance Substances 0.000 description 9
- 230000002093 peripheral effect Effects 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 239000000428 dust Substances 0.000 description 5
- 239000002245 particle Substances 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 239000003963 antioxidant agent Substances 0.000 description 3
- 230000003078 antioxidant effect Effects 0.000 description 3
- 235000006708 antioxidants Nutrition 0.000 description 3
- 239000002131 composite material Substances 0.000 description 3
- 239000012141 concentrate Substances 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
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- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 230000003321 amplification Effects 0.000 description 2
- 239000007767 bonding agent Substances 0.000 description 2
- 230000002950 deficient Effects 0.000 description 2
- 150000002148 esters Chemical class 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- 239000003208 petroleum Substances 0.000 description 2
- 229920002725 thermoplastic elastomer Polymers 0.000 description 2
- 229920005992 thermoplastic resin Polymers 0.000 description 2
- 244000287680 Garcinia dulcis Species 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004734 Polyphenylene sulfide Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 239000004372 Polyvinyl alcohol Substances 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- 238000000748 compression moulding Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- ZZUFCTLCJUWOSV-UHFFFAOYSA-N furosemide Chemical compound C1=C(Cl)C(S(=O)(=O)N)=CC(C(O)=O)=C1NCC1=CC=CO1 ZZUFCTLCJUWOSV-UHFFFAOYSA-N 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 230000005415 magnetization Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229910001172 neodymium magnet Inorganic materials 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920000069 polyphenylene sulfide Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 229920002451 polyvinyl alcohol Polymers 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R3/00—Circuits for transducers, loudspeakers or microphones
-
- 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
Abstract
Description
Claims (13)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2010-230216 | 2010-10-13 | ||
JP2010230216 | 2010-10-13 | ||
PCT/JP2011/005696 WO2012049837A1 (ja) | 2010-10-13 | 2011-10-12 | スピーカ用磁気回路およびこれを用いたスピーカ |
Publications (2)
Publication Number | Publication Date |
---|---|
CN103155595A true CN103155595A (zh) | 2013-06-12 |
CN103155595B CN103155595B (zh) | 2016-02-10 |
Family
ID=45938078
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201180048948.9A Active CN103155595B (zh) | 2010-10-13 | 2011-10-12 | 扬声器用磁路及使用其的扬声器 |
Country Status (4)
Country | Link |
---|---|
US (1) | US8744116B2 (zh) |
JP (1) | JP5273315B2 (zh) |
CN (1) | CN103155595B (zh) |
WO (1) | WO2012049837A1 (zh) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101407837B1 (ko) * | 2010-04-05 | 2014-06-16 | 아이치 세이코우 가부시키가이샤 | 이방성 본드 자석의 제조 방법 및 그 제조 장치 |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2141595A (en) * | 1937-01-13 | 1938-12-27 | Cinaudagraph Corp | Magnet structure |
GB625591A (en) * | 1947-03-04 | 1949-06-30 | Paul Gustavus Adolphus Helmuth | Improvements in magnets |
CN2220710Y (zh) * | 1994-12-02 | 1996-02-21 | 陈正宗 | 一种径向磁场方向的径向磁体扬声器 |
JP2002084595A (ja) * | 2000-09-08 | 2002-03-22 | Alpine Electronics Inc | スピーカ |
EP1223789A2 (en) * | 2001-01-16 | 2002-07-17 | KH Technology | Magnet system for loudspeakers |
JP2003009284A (ja) * | 2001-06-22 | 2003-01-10 | Sony Corp | スピーカ装置 |
CN101600137A (zh) * | 2008-06-03 | 2009-12-09 | 星电株式会社 | 扬声器 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20090296979A1 (en) | 2008-06-02 | 2009-12-03 | Hosiden Corporation | Speaker |
-
2011
- 2011-10-12 WO PCT/JP2011/005696 patent/WO2012049837A1/ja active Application Filing
- 2011-10-12 US US13/823,762 patent/US8744116B2/en active Active
- 2011-10-12 CN CN201180048948.9A patent/CN103155595B/zh active Active
- 2011-10-12 JP JP2012538570A patent/JP5273315B2/ja not_active Expired - Fee Related
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2141595A (en) * | 1937-01-13 | 1938-12-27 | Cinaudagraph Corp | Magnet structure |
GB625591A (en) * | 1947-03-04 | 1949-06-30 | Paul Gustavus Adolphus Helmuth | Improvements in magnets |
US2581223A (en) * | 1947-03-04 | 1952-01-01 | Voigt Paul Gustavus Ad Helmuth | Permanent magnet system for loudspeakers |
CN2220710Y (zh) * | 1994-12-02 | 1996-02-21 | 陈正宗 | 一种径向磁场方向的径向磁体扬声器 |
JP2002084595A (ja) * | 2000-09-08 | 2002-03-22 | Alpine Electronics Inc | スピーカ |
EP1223789A2 (en) * | 2001-01-16 | 2002-07-17 | KH Technology | Magnet system for loudspeakers |
JP2003009284A (ja) * | 2001-06-22 | 2003-01-10 | Sony Corp | スピーカ装置 |
CN101600137A (zh) * | 2008-06-03 | 2009-12-09 | 星电株式会社 | 扬声器 |
Also Published As
Publication number | Publication date |
---|---|
JPWO2012049837A1 (ja) | 2014-02-24 |
JP5273315B2 (ja) | 2013-08-28 |
US8744116B2 (en) | 2014-06-03 |
WO2012049837A1 (ja) | 2012-04-19 |
US20130170676A1 (en) | 2013-07-04 |
CN103155595B (zh) | 2016-02-10 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C41 | Transfer of patent application or patent right or utility model | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20151106 Address after: Osaka Japan Applicant after: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT Co.,Ltd. Address before: Osaka Japan Applicant before: Matsushita Electric Industrial Co.,Ltd. |
|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right |
Effective date of registration: 20240418 Address after: Kanagawa Prefecture, Japan Patentee after: Panasonic Automotive Electronic Systems Co.,Ltd. Country or region after: Japan Address before: Osaka, Japan Patentee before: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT Co.,Ltd. Country or region before: Japan |