FI20040623A - Menetelmä tasaisen ääniaaltorintaman aikaansaamiseksi sekä tasoaaltosuuntain, kaiutinrakenne ja akustinen linjasäteilijä - Google Patents

Menetelmä tasaisen ääniaaltorintaman aikaansaamiseksi sekä tasoaaltosuuntain, kaiutinrakenne ja akustinen linjasäteilijä Download PDF

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Publication number
FI20040623A
FI20040623A FI20040623A FI20040623A FI20040623A FI 20040623 A FI20040623 A FI 20040623A FI 20040623 A FI20040623 A FI 20040623A FI 20040623 A FI20040623 A FI 20040623A FI 20040623 A FI20040623 A FI 20040623A
Authority
FI
Finland
Prior art keywords
providing
sound wave
wave front
planar waveguide
acoustic line
Prior art date
Application number
FI20040623A
Other languages
English (en)
Swedish (sv)
Other versions
FI120126B (fi
Inventor
Mika Isotalo
Original Assignee
Aura Audio Oy
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 Aura Audio Oy filed Critical Aura Audio Oy
Priority to FI20040623A priority Critical patent/FI120126B/fi
Priority to EP05396016.7A priority patent/EP1592281B1/en
Priority to US11/117,737 priority patent/US7650006B2/en
Publication of FI20040623A publication Critical patent/FI20040623A/fi
Application granted granted Critical
Publication of FI120126B publication Critical patent/FI120126B/fi

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 
    • H04R1/30—Combinations of transducers with horns, e.g. with mechanical matching means, i.e. front-loaded horns
    • 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
    • H04R1/32—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only
    • H04R1/40—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by combining a number of identical transducers
    • H04R1/403—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by combining a number of identical transducers loud-speakers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2201/00—Details of transducers, loudspeakers or microphones covered by H04R1/00 but not provided for in any of its subgroups
    • H04R2201/40—Details of arrangements for obtaining desired directional characteristic by combining a number of identical transducers covered by H04R1/40 but not provided for in any of its subgroups
    • H04R2201/403—Linear arrays of transducers

Landscapes

  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
  • Details Of Audible-Bandwidth Transducers (AREA)
FI20040623A 2004-04-30 2004-04-30 Menetelmä tasaisen ääniaaltorintaman aikaansaamiseksi sekä tasoaaltosuuntain, kaiutinrakenne ja akustinen linjasäteilijä FI120126B (fi)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FI20040623A FI120126B (fi) 2004-04-30 2004-04-30 Menetelmä tasaisen ääniaaltorintaman aikaansaamiseksi sekä tasoaaltosuuntain, kaiutinrakenne ja akustinen linjasäteilijä
EP05396016.7A EP1592281B1 (en) 2004-04-30 2005-04-28 a loudspeaker construction
US11/117,737 US7650006B2 (en) 2004-04-30 2005-04-29 Method to generate a plane acoustic wave front, a plane wave channel, a loudspeaker construction and a linear loudspeaker array

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI20040623A FI120126B (fi) 2004-04-30 2004-04-30 Menetelmä tasaisen ääniaaltorintaman aikaansaamiseksi sekä tasoaaltosuuntain, kaiutinrakenne ja akustinen linjasäteilijä
FI20040623 2004-04-30

Publications (2)

Publication Number Publication Date
FI20040623A true FI20040623A (fi) 2005-10-31
FI120126B FI120126B (fi) 2009-06-30

Family

ID=34942860

Family Applications (1)

Application Number Title Priority Date Filing Date
FI20040623A FI120126B (fi) 2004-04-30 2004-04-30 Menetelmä tasaisen ääniaaltorintaman aikaansaamiseksi sekä tasoaaltosuuntain, kaiutinrakenne ja akustinen linjasäteilijä

Country Status (3)

Country Link
US (1) US7650006B2 (fi)
EP (1) EP1592281B1 (fi)
FI (1) FI120126B (fi)

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US7177437B1 (en) 2001-10-19 2007-02-13 Duckworth Holding, Llc C/O Osc Audio Products, Inc. Multiple aperture diffraction device
US8718310B2 (en) 2001-10-19 2014-05-06 Qsc Holdings, Inc. Multiple aperture speaker assembly
US7920712B2 (en) * 2005-06-10 2011-04-05 Loud Technologies Inc. Coaxial mid-frequency and high-frequency loudspeaker
GB2443228B (en) * 2006-10-25 2010-02-10 Gary Paul Nicholson Piezo-electric loudspeaker
US20100026655A1 (en) * 2008-07-31 2010-02-04 Avago Technologies Ecbu Ip (Singapore) Pte. Ltd. Capacitive Touchscreen or Touchpad for Finger or Stylus
GB2456846B (en) * 2008-07-31 2013-03-13 Wolfson Microelectronics Plc Ear simulator
KR101192910B1 (ko) 2008-08-14 2012-10-18 하만인터내셔날인더스트리스인코포레이티드 직접 방사형 라우드스피커용 패이즈 플러그 및 음향 렌즈
US8199953B2 (en) * 2008-10-30 2012-06-12 Avago Technologies Wireless Ip (Singapore) Pte. Ltd. Multi-aperture acoustic horn
US20100253629A1 (en) * 2009-04-03 2010-10-07 Avago Technologies Ecbu Ip (Singapore) Pte. Ltd. Combined Mutual Capacitance and Switch-Actuated Keyboard for Enhanced Texting in an Electronic Device
US8278571B2 (en) * 2009-04-03 2012-10-02 Pixart Imaging Inc. Capacitive touchscreen or touchpad for finger and active stylus
FI20090218A0 (fi) 2009-05-29 2009-05-29 Aura Audio Oy Bassokaiuttimen rakenne
DE102009027212B4 (de) * 2009-06-25 2015-01-22 Sennheiser Electronic Gmbh & Co. Kg Lautsprechersystem und Wellenformereinheit
US8385568B2 (en) * 2010-01-06 2013-02-26 Apple Inc. Low-profile speaker arrangements for compact electronic devices
US8798303B2 (en) * 2012-10-22 2014-08-05 Jazz Hipster Corporation Horn amplifier
US9282398B2 (en) 2014-03-19 2016-03-08 Dana Monroe Speaker system having wide bandwidth and wide high-frequency dispersion
US9571935B2 (en) * 2015-01-26 2017-02-14 Harman International Industries, Inc. Loudspeaker with ducts for transducer voice coil cooling
US10631093B2 (en) 2015-01-26 2020-04-21 Harman International Industries, Incorporated Vented loudspeaker system with duct for cooling of internal components
CA2984804A1 (en) * 2015-05-07 2016-11-10 Acoustic 3D Holdings Ltd Acoustical diffusion manifold
US10631098B2 (en) * 2016-07-13 2020-04-21 Mrspeakers, Llc Planar magnetic loudspeaker airflow system
US10129637B2 (en) * 2017-02-15 2018-11-13 Elettromedia Srl Phase plug for compression driver having improved assembly
CN108632704B (zh) * 2017-03-23 2023-08-08 深圳纽斯声学系统有限公司 一种组合阵列式低音箱
US10623840B2 (en) * 2017-03-24 2020-04-14 Harman International Industries, Incorporated Loudspeaker acoustic diversity aperture frame
DE102017209193A1 (de) * 2017-05-31 2018-12-06 Robert Bosch Gmbh Lautsprecherbox und Säulenlautsprecherbox
US10327068B2 (en) * 2017-11-16 2019-06-18 Harman International Industries, Incorporated Compression driver with side-firing compression chamber
CN109462784B (zh) * 2018-12-06 2023-09-08 宁波东源音响器材有限公司 一种带压缩设计的阵列音箱
CN109391888A (zh) * 2018-12-12 2019-02-26 陈伟东 扬声器结构、带式扬声器及音响设备
KR102614578B1 (ko) * 2019-09-06 2023-12-18 삼성전자주식회사 음향 출력 장치 및 이를 포함하는 디스플레이 장치
CN112543387B (zh) * 2019-09-20 2022-07-22 广州视源电子科技股份有限公司 电子设备
US11445303B2 (en) 2020-10-16 2022-09-13 Harman International Industries, Incorporated Omnidirectional loudspeaker and compression driver therefor
WO2023100674A1 (ja) * 2021-12-02 2023-06-08 ソニーグループ株式会社 音響出力装置
US20240048894A1 (en) * 2022-08-05 2024-02-08 Aac Microtech (Changzhou) Co., Ltd. Loudspeaker and electronic device

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GB1592246A (en) 1976-09-23 1981-07-01 Isaac T P Sound projection system
US4267405A (en) * 1979-06-05 1981-05-12 Mcintosh Laboratory, Inc. Stereo speaker system for creating stereo images
US4325456A (en) * 1980-10-10 1982-04-20 Altec Corporation Acoustical transformer for compression-type loudspeaker with an annular diaphragm
US4776428A (en) 1987-11-16 1988-10-11 Belisle Acoustique Inc. Sound projection system
US5117462A (en) * 1991-03-20 1992-05-26 Jbl Incorporated Phasing plug for compression driver
US6744899B1 (en) * 1996-05-28 2004-06-01 Robert M. Grunberg Direct coupling of waveguide to compression driver having matching slot shaped throats
US6064745A (en) * 1997-09-26 2000-05-16 Peavey Electronics Corporation Compression driver phase plug
US6094495A (en) 1998-09-24 2000-07-25 Eastern Acoustic Works, Inc. Horn-type loudspeaker system
US6026928A (en) * 1999-04-06 2000-02-22 Maharaj; Ashok A. Apparatus and method for reduced distortion loudspeakers
US6343133B1 (en) * 1999-07-22 2002-01-29 Alan Brock Adamson Axially propagating mid and high frequency loudspeaker systems
AU2000276332B2 (en) 2000-09-22 2005-03-10 Robert Grunberg Direct coupling of waveguide to compression driver having matching slot shaped throats
WO2002078388A2 (en) * 2001-03-27 2002-10-03 1... Limited Method and apparatus to create a sound field
US7177437B1 (en) * 2001-10-19 2007-02-13 Duckworth Holding, Llc C/O Osc Audio Products, Inc. Multiple aperture diffraction device
GB2382511C (en) * 2001-11-26 2011-03-04 Turbosound Ltd Improvements in or relating to loudspeakers
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
EP1592281B1 (en) 2013-06-26
US20050265570A1 (en) 2005-12-01
EP1592281A2 (en) 2005-11-02
EP1592281A3 (en) 2009-06-03
US7650006B2 (en) 2010-01-19
FI120126B (fi) 2009-06-30

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