DE3023291C2 - - Google Patents

Info

Publication number
DE3023291C2
DE3023291C2 DE3023291A DE3023291A DE3023291C2 DE 3023291 C2 DE3023291 C2 DE 3023291C2 DE 3023291 A DE3023291 A DE 3023291A DE 3023291 A DE3023291 A DE 3023291A DE 3023291 C2 DE3023291 C2 DE 3023291C2
Authority
DE
Germany
Prior art keywords
frequency
voice coil
membrane
loudspeaker
peripheral edge
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
Application number
DE3023291A
Other languages
German (de)
English (en)
Other versions
DE3023291A1 (de
Inventor
Marshall D. Los Angeles Calif. Us Buck
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
CERWIN-VEGA Inc LOS ANGELES CALIF US
Original Assignee
CERWIN-VEGA Inc LOS ANGELES CALIF US
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by CERWIN-VEGA Inc LOS ANGELES CALIF US filed Critical CERWIN-VEGA Inc LOS ANGELES CALIF US
Publication of DE3023291A1 publication Critical patent/DE3023291A1/de
Application granted granted Critical
Publication of DE3023291C2 publication Critical patent/DE3023291C2/de
Granted legal-status Critical Current

Links

Classifications

    • 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 
    • H04R1/24—Structural combinations of separate transducers or of two parts of the same transducer and responsive respectively to two or more frequency ranges

Landscapes

  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
DE19803023291 1979-07-16 1980-06-21 Akustisches filter fuer ein koaxiales lautsprechersystem Granted DE3023291A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/057,821 US4283606A (en) 1979-07-16 1979-07-16 Coaxial loudspeaker system

Publications (2)

Publication Number Publication Date
DE3023291A1 DE3023291A1 (de) 1981-02-12
DE3023291C2 true DE3023291C2 (US07860544-20101228-C00003.png) 1989-04-06

Family

ID=22012952

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19803023291 Granted DE3023291A1 (de) 1979-07-16 1980-06-21 Akustisches filter fuer ein koaxiales lautsprechersystem

Country Status (7)

Country Link
US (1) US4283606A (US07860544-20101228-C00003.png)
JP (1) JPS5927558B2 (US07860544-20101228-C00003.png)
AU (1) AU532718B2 (US07860544-20101228-C00003.png)
CA (1) CA1144273A (US07860544-20101228-C00003.png)
DE (1) DE3023291A1 (US07860544-20101228-C00003.png)
FR (1) FR2462078B1 (US07860544-20101228-C00003.png)
GB (1) GB2054323B (US07860544-20101228-C00003.png)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19728329A1 (de) * 1997-07-03 1999-02-04 Wolfgang Seikritt Lautsprecheranordnung
DE10230409C1 (de) * 2002-07-05 2003-10-09 D & B Audiotechnik Ag Koaxiale Lautsprecheranordnung mit rotierbarem Horn
DE10310033A1 (de) * 2003-03-06 2004-09-16 Karl-Heinz Kuntze Schallwandler in Form eines Linienstrahlers zur Erzeugung und Abgabe pulsierender Zylinderwellen mittels kleiner und kleinster Schallwandler

Families Citing this family (53)

* Cited by examiner, † Cited by third party
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US4619342A (en) * 1979-07-16 1986-10-28 Cerwin-Vega, Inc. Multiple sound transducer system utilizing an acoustic filter to reduce distortion
NL7908896A (nl) * 1979-12-11 1981-07-01 Philips Nv Een mechanisch filter voor een elektrodynamische omzetter.
US4381831A (en) * 1980-10-28 1983-05-03 United Recording Electronic Industries High frequency horn
US4706295A (en) * 1980-10-28 1987-11-10 United Recording Electronic Industries Coaxial loudspeaker system
US4418248A (en) * 1981-12-11 1983-11-29 Koss Corporation Dual element headphone
DE3380619D1 (en) * 1982-03-31 1989-10-26 Pioneer Electronic Corp Compound speaker system
US4554414A (en) * 1983-04-28 1985-11-19 Harman International Industries Incorporated Multi-driver loudspeaker
DE3447745A1 (de) * 1984-12-21 1986-07-10 Braune, Harald, Dr.-Ing., 1000 Berlin Lautsprecherbox
IT1187062B (it) * 1985-09-02 1987-12-16 S I P E Soc Italiana Prodotti Altoparlante multiplo,con "tweeter" piezoelettrico supportato con mezzi che consentono lo sfruttamento della membrana dell'altoparlante principale quale superficie riflettente della radiazione emessa posteriormente dal disco ceramico e dalla membrana dell"tweeter" piezoelettrico
US5193119A (en) * 1985-09-02 1993-03-09 Franco Tontini Multiple loudspeaker
US4885782A (en) * 1987-05-29 1989-12-05 Howard Krausse Single and double symmetric loudspeaker driver configurations
GB2212694A (en) * 1987-11-21 1989-07-26 Robert Alfred Webb Speaker
US5109423A (en) * 1988-06-30 1992-04-28 Jacobson Larry L Audio system with amplifier and signal device
US5004067A (en) * 1988-06-30 1991-04-02 Patronis Eugene T Cinema sound system for unperforated screens
US5125732A (en) * 1988-06-30 1992-06-30 Jacobson Larry L Motion picture exhibition facility
US5103482A (en) * 1988-07-28 1992-04-07 Fabri Conti Lucas Apparatus and method for reproducing high fidelity sound
US4965836A (en) * 1989-01-19 1990-10-23 Koss Corporation Stereo headphone
JP3157210B2 (ja) * 1991-09-04 2001-04-16 パイオニア株式会社 ホーンスピーカ
FR2706723A1 (fr) * 1993-06-18 1994-12-23 Rigondeau Robert Transducteur électro-acoustique constitué de deux éléments moteurs distincts et solidaires entre-eux.
AU7921394A (en) * 1993-09-29 1995-04-18 Eastern Acoustic Works, Inc. Speaker design with attenuated reflection
JP3494711B2 (ja) * 1994-09-05 2004-02-09 パイオニア株式会社 高音再生用スピーカ装置及びその製造方法
US5708719A (en) * 1995-09-07 1998-01-13 Rep Investment Limited Liability Company In-home theater surround sound speaker system
US5930370A (en) * 1995-09-07 1999-07-27 Rep Investment Limited Liability In-home theater surround sound speaker system
US6118876A (en) * 1995-09-07 2000-09-12 Rep Investment Limited Liability Company Surround sound speaker system for improved spatial effects
US6027683A (en) * 1996-06-17 2000-02-22 Huang; Ing Chung Extrusion molding process and apparatus
US6647122B1 (en) 1998-09-28 2003-11-11 Pioneer Electronics Technology, Inc. Loudspeaker drive unit
GB2365250C (en) * 2000-07-21 2005-04-04 B & W Loudspeakers Acoustic structures
GB2367969B (en) * 2000-09-04 2004-04-21 Eric Edgar Sunderland Improvements in and relating to loudspeakers
US7392880B2 (en) * 2002-04-02 2008-07-01 Gibson Guitar Corp. Dual range horn with acoustic crossover
US7899202B2 (en) * 2006-04-17 2011-03-01 Sound Sources Technology, Inc. Loudspeaker with cone-coupled damper
US8194905B1 (en) * 2007-02-14 2012-06-05 Vinther Sr Gordon Alfred Coherent wave full spectrum acoustic horn
US8175320B2 (en) 2007-06-27 2012-05-08 Sound Sources Technology, Inc. Single magnet coaxial loudspeaker
US8130994B2 (en) * 2008-06-17 2012-03-06 Harman International Industries, Incorporated Waveguide
CN104717586B (zh) 2008-08-14 2019-06-11 哈曼国际工业有限公司 用于直接辐射式扩音器的相位插件和声透镜
US8467557B2 (en) * 2009-09-24 2013-06-18 MS Electronics LLC Coaxial speaker system with improved transition between individual speakers
FR2955445B1 (fr) 2010-01-15 2013-06-07 Phl Audio Transducteur electrodynamique a dome et suspension interne
FR2955446B1 (fr) 2010-01-15 2015-06-05 Phl Audio Transducteur electrodynamique a dome et suspension flottante
FR2955444B1 (fr) 2010-01-15 2012-08-03 Phl Audio Systeme de haut-parleur coaxial a chambre de compression
CN202395968U (zh) 2011-06-16 2012-08-22 尤里·拉波波特 一种扬声器系统
DE202011051128U1 (de) 2011-06-16 2011-10-10 Uri Rapoport Kompakter frequenzweichenfreier Koaxiallautsprecher
US8965033B2 (en) 2012-08-31 2015-02-24 Sonos, Inc. Acoustic optimization
KR101451687B1 (ko) * 2013-08-20 2014-10-22 임창수 코엑셜 효과의 2웨이 스피커
KR101515618B1 (ko) * 2014-03-20 2015-04-28 김태형 래티스 타입 스피커, 및 이를 구비한 래티스 어레이 스피커 시스템
WO2017083708A1 (en) * 2015-11-12 2017-05-18 Bisset Anthony Allen Coaxial centerbody point-source (ccps) horn speaker system
GB2546067B (en) * 2015-12-14 2021-11-17 Martin Audio Ltd Loudspeaker
RU2654323C2 (ru) * 2016-01-12 2018-05-17 Растошинский Иван Сергеевич Динамический громкоговоритель с внутренним резонатором
KR101975022B1 (ko) * 2018-03-07 2019-05-03 한국기계연구원 지향성 음향 장치
US10924844B1 (en) * 2018-03-07 2021-02-16 Scott Hanna Far-field marine sound system including coaxial speaker horn
US10986447B2 (en) * 2019-06-21 2021-04-20 Analog Devices, Inc. Doppler compensation in coaxial and offset speakers
GB2587899B (en) * 2019-08-23 2022-04-20 Tymphany Acoustic Tech Ltd Coaxial loudspeaker
CN110542720B (zh) * 2019-09-12 2024-05-28 盛视科技股份有限公司 一种非接触式空箱检测机构
CN113395643B (zh) * 2021-06-15 2023-12-12 京东方科技集团股份有限公司 平板扬声器、显示装置及显示设备
US11943579B2 (en) 2022-06-13 2024-03-26 Harman International Industries, Incorporated Dual compression driver with cone diaphragm

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2067582A (en) * 1936-09-17 1937-01-12 Sperling Edward Sound filter for loudspeakers
US2295527A (en) * 1940-10-17 1942-09-15 Bowley Eve Mary Electrodynamic and electroacoustical apparatus
US2656004A (en) * 1947-04-29 1953-10-20 Rca Corp Multisection acoustic filter
DE820742C (de) * 1949-07-19 1951-11-12 Isophon Hoch-Tiefton-Lautsprecherkombination
DE941674C (de) * 1950-12-28 1956-03-22 Siemens ß. Halske Aktiengesellschaft, Berlin und München Lautsprecherkombination, bei der auf er Vorderseite und/oder auf der Rückseite der Membran ein akustisches Filter, vorzugsweise Tiefpaßfilter, für die Begrenzung des abgestrahlten Frequenzbereiches vorgesehen ist
US2755343A (en) * 1951-10-05 1956-07-17 Univ Loudspeakers Inc Blast-proof and submergence-proof sound reproducing device
US2761913A (en) * 1953-02-18 1956-09-04 Gen Dynamics Corp Loudspeaker
US2840178A (en) * 1954-01-20 1958-06-24 Tesla Np Device for the reproduction of sound
US2822884A (en) * 1954-10-26 1958-02-11 Edgar H Simpson Loudspeaker enclosure
US2866514A (en) * 1955-04-27 1958-12-30 Weathers Paul Corrective loud speaker enclosure
US3284581A (en) * 1963-06-03 1966-11-08 Columbia Broadcasting Syst Inc Loud speaker construction
US4182429A (en) * 1977-12-29 1980-01-08 Kabushiki Kaisha Senzaki Seisakusho Loud-speaker system

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19728329A1 (de) * 1997-07-03 1999-02-04 Wolfgang Seikritt Lautsprecheranordnung
DE19728329C2 (de) * 1997-07-03 1999-05-27 Wolfgang Seikritt Lautsprecheranordnung
DE10230409C1 (de) * 2002-07-05 2003-10-09 D & B Audiotechnik Ag Koaxiale Lautsprecheranordnung mit rotierbarem Horn
DE10230409B8 (de) * 2002-07-05 2007-07-12 D&B Audiotechnik Ag Koaxiale Lautsprecheranordnung mit rotierbarem Horn
DE10310033A1 (de) * 2003-03-06 2004-09-16 Karl-Heinz Kuntze Schallwandler in Form eines Linienstrahlers zur Erzeugung und Abgabe pulsierender Zylinderwellen mittels kleiner und kleinster Schallwandler

Also Published As

Publication number Publication date
AU5952380A (en) 1981-01-22
GB2054323A (en) 1981-02-11
US4283606A (en) 1981-08-11
JPS5927558B2 (ja) 1984-07-06
CA1144273A (en) 1983-04-05
GB2054323B (en) 1984-02-15
FR2462078B1 (fr) 1986-10-31
AU532718B2 (en) 1983-10-13
DE3023291A1 (de) 1981-02-12
JPS5650695A (en) 1981-05-07
FR2462078A1 (fr) 1981-02-06

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Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee