CA1130911A - Loudspeaker - Google Patents
LoudspeakerInfo
- Publication number
- CA1130911A CA1130911A CA333,645A CA333645A CA1130911A CA 1130911 A CA1130911 A CA 1130911A CA 333645 A CA333645 A CA 333645A CA 1130911 A CA1130911 A CA 1130911A
- Authority
- CA
- Canada
- Prior art keywords
- diaphragm
- loudspeaker according
- frame
- pole
- voice coil
- 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.)
- Expired
Links
- 230000008093 supporting effect Effects 0.000 claims abstract description 37
- 238000013016 damping Methods 0.000 claims description 15
- 210000000188 diaphragm Anatomy 0.000 description 44
- 239000000463 material Substances 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 230000008602 contraction Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229910052725 zinc Inorganic materials 0.000 description 2
- 239000011701 zinc Substances 0.000 description 2
- WWYNJERNGUHSAO-XUDSTZEESA-N (+)-Norgestrel Chemical compound O=C1CC[C@@H]2[C@H]3CC[C@](CC)([C@](CC4)(O)C#C)[C@@H]4[C@@H]3CCC2=C1 WWYNJERNGUHSAO-XUDSTZEESA-N 0.000 description 1
- PCLIRWBVOVZTOK-UHFFFAOYSA-M 2-(1-methylpyrrolidin-1-ium-1-yl)ethyl 2-hydroxy-2,2-diphenylacetate;iodide Chemical compound [I-].C=1C=CC=CC=1C(O)(C=1C=CC=CC=1)C(=O)OCC[N+]1(C)CCCC1 PCLIRWBVOVZTOK-UHFFFAOYSA-M 0.000 description 1
- NLZUEZXRPGMBCV-UHFFFAOYSA-N Butylhydroxytoluene Chemical compound CC1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 NLZUEZXRPGMBCV-UHFFFAOYSA-N 0.000 description 1
- 235000010627 Phaseolus vulgaris Nutrition 0.000 description 1
- 244000046052 Phaseolus vulgaris Species 0.000 description 1
- 241000024109 Spiris Species 0.000 description 1
- 239000011358 absorbing material Substances 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Classifications
-
- 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
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
- H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only
-
- 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
- H04R7/26—Damping by means acting directly on free portion of diaphragm or cone
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
- Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9881878A JPS5525285A (en) | 1978-08-14 | 1978-08-14 | Speaker |
| JP98818/78 | 1978-08-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1130911A true CA1130911A (en) | 1982-08-31 |
Family
ID=14229887
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA333,645A Expired CA1130911A (en) | 1978-08-14 | 1979-08-13 | Loudspeaker |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US4252211A (en, 2012) |
| JP (1) | JPS5525285A (en, 2012) |
| CA (1) | CA1130911A (en, 2012) |
| DE (1) | DE2932942A1 (en, 2012) |
| FR (1) | FR2433881A1 (en, 2012) |
| GB (1) | GB2028057B (en, 2012) |
| NL (1) | NL7906098A (en, 2012) |
Families Citing this family (41)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4426556A (en) | 1980-07-08 | 1984-01-17 | Matsushita Electric Industrial Co., Ltd. | Electrodynamic loudspeaker |
| JPS5791098A (en) | 1980-11-28 | 1982-06-07 | Hitachi Ltd | Dynamic type speaker |
| JPS5799099A (en) * | 1980-12-11 | 1982-06-19 | Sony Corp | Speaker |
| US5025474A (en) * | 1987-09-29 | 1991-06-18 | Matsushita Electric Industrial Co., Ltd. | Speaker system with image projection screen |
| DE3940615C1 (en) * | 1989-12-08 | 1991-02-21 | Leo Dipl.-Ing. 3300 Braunschweig De Kirchner | Double diaphragm moving coil loudspeaker - dynamically dampens resonant frequency by cross-coupling second coils of moving coils in opposite phase |
| DE19821855A1 (de) | 1998-05-15 | 1999-11-18 | Nokia Deutschland Gmbh | Plattenlautsprecher |
| DE19825866A1 (de) * | 1998-06-10 | 1999-12-16 | Nokia Deutschland Gmbh | Plattenlautsprecher |
| ID27400A (id) | 1998-06-22 | 2001-04-05 | Slab Technology Ltd | Pengeras suara |
| GB2347818A (en) * | 1999-03-10 | 2000-09-13 | Steff Lin | Flat type loud speaker |
| JP3512087B2 (ja) * | 1999-06-15 | 2004-03-29 | 日本電気株式会社 | パネルスピーカ |
| USD451087S1 (en) | 2000-09-28 | 2001-11-27 | Harman International Industries, Inc. | Speaker housing |
| FR2818487B1 (fr) * | 2000-12-14 | 2006-08-18 | Albert Jakoubovitch | Haut-parleurs a moteurs multiples |
| US6862361B2 (en) | 2001-04-05 | 2005-03-01 | Floyd John James | Audio speaker |
| US6708797B2 (en) * | 2001-04-23 | 2004-03-23 | Gilbarco Inc. | Display enclosure having thin speaker |
| FI20011303L (fi) * | 2001-06-19 | 2002-12-20 | Nokia Corp | Kaiutin |
| US20030142833A1 (en) * | 2002-01-31 | 2003-07-31 | Roy Kenneth P. | Architectural sound enhancement with test tone diagnostics |
| US20030144847A1 (en) * | 2002-01-31 | 2003-07-31 | Roy Kenneth P. | Architectural sound enhancement with radiator response matching EQ |
| US7548854B2 (en) | 2002-01-31 | 2009-06-16 | Awi Licensing Company | Architectural sound enhancement with pre-filtered masking sound |
| US20030142814A1 (en) * | 2002-01-31 | 2003-07-31 | Roy Kenneth P. | Architectural sound enhancement with DTMF control |
| US6983819B2 (en) * | 2002-04-02 | 2006-01-10 | Awi Licensing Company | Entertainment sound panels |
| US20030198339A1 (en) * | 2002-04-19 | 2003-10-23 | Roy Kenneth P. | Enhanced sound processing system for use with sound radiators |
| USD483744S1 (en) | 2002-10-10 | 2003-12-16 | Harman International Industries, Incorporated | Portion of a speaker transducer housing |
| USD483743S1 (en) | 2002-10-10 | 2003-12-16 | Harman International Industries, Incorporated | Speaker transducer housing |
| US6929091B2 (en) * | 2002-10-28 | 2005-08-16 | Sound Advance Systems, Inc. | Planar diaphragm loudspeaker and related methods |
| GB2403091B (en) * | 2003-06-18 | 2006-08-09 | B & W Loudspeakers | Diaphragms for loudspeaker drive units |
| US20050175209A1 (en) * | 2004-02-09 | 2005-08-11 | Madison Fielding, Inc. | Integrated Speaker Device |
| US20080080734A1 (en) * | 2006-10-03 | 2008-04-03 | Forth Robert A | Sports audio player and two-way voice/data communication device |
| US20100172537A1 (en) * | 2008-12-31 | 2010-07-08 | Jack Blaine Campbell | Loudspeaker with rear surround support |
| KR101802723B1 (ko) * | 2013-05-08 | 2017-11-29 | 고어텍 인크 | 평판형 저음 스피커 및 이를 적용한 전자장치 |
| KR101707083B1 (ko) * | 2013-05-08 | 2017-02-15 | 고어텍 인크 | 평판형 저음 스피커 |
| KR101707085B1 (ko) * | 2013-05-08 | 2017-02-15 | 고어텍 인크 | 평판형 저음 스피커 |
| USD751155S1 (en) * | 2014-10-01 | 2016-03-08 | Traxxas Lp | Transducer mount |
| USD834111S1 (en) * | 2014-10-01 | 2018-11-20 | Traxxas Lp | Transducer mount |
| CN204425612U (zh) * | 2015-02-02 | 2015-06-24 | 瑞声光电科技(常州)有限公司 | 扬声器箱 |
| RU2612535C2 (ru) * | 2015-05-14 | 2017-03-09 | БОГУСЛАВСКИЙ Евгений | Громкоговоритель |
| USD832239S1 (en) * | 2017-02-17 | 2018-10-30 | Bose Corporation | Speaker |
| US11477572B2 (en) | 2018-10-01 | 2022-10-18 | Sony Corporation | Speaker drive unit, speaker apparatus, and speaker driving method |
| CN209767821U (zh) * | 2019-06-20 | 2019-12-10 | 苏州上声电子股份有限公司 | 一种多路输入驱动的扬声器 |
| CN110248297B (zh) * | 2019-07-15 | 2024-11-05 | 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 |
| USD924846S1 (en) * | 2019-09-09 | 2021-07-13 | Harman International Industries, Incorporated | Loudspeaker |
| CN111988711B (zh) * | 2020-08-31 | 2021-11-30 | 歌尔股份有限公司 | 扬声器单体和电子终端 |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB312756A (en) * | 1928-04-13 | 1929-06-06 | Cyril John Nesbitt Dufort | Improvements in and relating to electrically operated loud speakers |
| US2956538A (en) * | 1957-12-10 | 1960-10-18 | Gen Ultrasonics Company | Diaphragm vibration control |
| DE1092061B (de) * | 1959-02-16 | 1960-11-03 | Inst Rundfunktechnik G M B H | Anordnung zur Bedaempfung von Membranen |
| AT294942B (de) * | 1970-01-09 | 1971-12-10 | Akg Akustische Kino Geraete | Lautsprecher mit Konusmembran |
| AR192576A1 (es) * | 1971-06-16 | 1973-02-28 | Bertagni J | Un diafragma para altoparlantes planos para acentuar las bajas frecuencias y cambiar el timbre y el color de sonido |
| JPS5432904Y2 (en, 2012) * | 1973-11-19 | 1979-10-12 | ||
| JPS50130421A (en, 2012) * | 1974-02-28 | 1975-10-15 | ||
| JPS5379525A (en) * | 1976-12-23 | 1978-07-14 | Sony Corp | Compound diaphtagm for speakers |
| JPS5474417A (en) * | 1977-11-26 | 1979-06-14 | Sony Corp | Multi-point driving type speaker |
-
1978
- 1978-08-14 JP JP9881878A patent/JPS5525285A/ja active Granted
-
1979
- 1979-08-09 NL NL7906098A patent/NL7906098A/nl not_active Application Discontinuation
- 1979-08-10 US US06/065,626 patent/US4252211A/en not_active Expired - Lifetime
- 1979-08-13 GB GB7928053A patent/GB2028057B/en not_active Expired
- 1979-08-13 CA CA333,645A patent/CA1130911A/en not_active Expired
- 1979-08-14 DE DE19792932942 patent/DE2932942A1/de active Granted
- 1979-08-14 FR FR7920712A patent/FR2433881A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| NL7906098A (nl) | 1980-02-18 |
| DE2932942C2 (en, 2012) | 1989-06-15 |
| DE2932942A1 (de) | 1980-02-28 |
| GB2028057A (en) | 1980-02-27 |
| JPS6326598B2 (en, 2012) | 1988-05-30 |
| FR2433881A1 (fr) | 1980-03-14 |
| GB2028057B (en) | 1982-12-22 |
| JPS5525285A (en) | 1980-02-22 |
| US4252211A (en) | 1981-02-24 |
| FR2433881B1 (en, 2012) | 1984-08-24 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |