FI20040623A - A method for providing a smooth sound wave front with a planar waveguide, a speaker structure and an acoustic line emitter - Google Patents

A method for providing a smooth sound wave front with a planar waveguide, a speaker structure and an acoustic line emitter Download PDF

Info

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
Finnish (fi)
Swedish (sv)
Other versions
FI120126B (en
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/en
Priority to EP05396016.7A priority patent/EP1592281B1/en
Priority to US11/117,737 priority patent/US7650006B2/en
Publication of FI20040623A publication Critical patent/FI20040623A/en
Application granted granted Critical
Publication of FI120126B publication Critical patent/FI120126B/en

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)
  • Details Of Audible-Bandwidth Transducers (AREA)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
FI20040623A 2004-04-30 2004-04-30 A method for providing a smooth sound wave front with a planar waveguide, speaker structure and acoustic line emitter FI120126B (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FI20040623A FI120126B (en) 2004-04-30 2004-04-30 A method for providing a smooth sound wave front with a planar waveguide, speaker structure and acoustic line emitter
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 (en) 2004-04-30 2004-04-30 A method for providing a smooth sound wave front with a planar waveguide, speaker structure and acoustic line emitter
FI20040623 2004-04-30

Publications (2)

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

Family

ID=34942860

Family Applications (1)

Application Number Title Priority Date Filing Date
FI20040623A FI120126B (en) 2004-04-30 2004-04-30 A method for providing a smooth sound wave front with a planar waveguide, speaker structure and acoustic line emitter

Country Status (3)

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

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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
GB2456846B (en) * 2008-07-31 2013-03-13 Wolfson Microelectronics Plc Ear simulator
US20100026655A1 (en) * 2008-07-31 2010-02-04 Avago Technologies Ecbu Ip (Singapore) Pte. Ltd. Capacitive Touchscreen or Touchpad for Finger or Stylus
JP5268203B2 (en) 2008-08-14 2013-08-21 ハーマン インターナショナル インダストリーズ インコーポレイテッド Phase plug and acoustic lens for direct radiating loudspeakers
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 (en) * 2009-05-29 2009-05-29 Aura Audio Oy Subwoofer structure
DE102009027212B4 (en) 2009-06-25 2015-01-22 Sennheiser Electronic Gmbh & Co. Kg Speaker system and waveshaper unit
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
US10419846B2 (en) * 2015-05-07 2019-09-17 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 (en) * 2017-03-23 2023-08-08 深圳纽斯声学系统有限公司 Combined array type bass box
US10623840B2 (en) * 2017-03-24 2020-04-14 Harman International Industries, Incorporated Loudspeaker acoustic diversity aperture frame
DE102017209193A1 (en) * 2017-05-31 2018-12-06 Robert Bosch Gmbh Speaker box and column loudspeaker box
US10327068B2 (en) * 2017-11-16 2019-06-18 Harman International Industries, Incorporated Compression driver with side-firing compression chamber
CN109462784B (en) * 2018-12-06 2023-09-08 宁波东源音响器材有限公司 Array loudspeaker box with compression design
CN109391888A (en) * 2018-12-12 2019-02-26 陈伟东 Loadspeaker structure, ribbon speaker and stereo set
KR102614578B1 (en) * 2019-09-06 2023-12-18 삼성전자주식회사 Sound outputting apparatus and display device having the same
CN115022758A (en) * 2019-09-20 2022-09-06 广州视源电子科技股份有限公司 Electronic device
US11445303B2 (en) 2020-10-16 2022-09-13 Harman International Industries, Incorporated Omnidirectional loudspeaker and compression driver therefor
WO2023100674A1 (en) * 2021-12-02 2023-06-08 ソニーグループ株式会社 Acoustic output device
US20240048894A1 (en) * 2022-08-05 2024-02-08 Aac Microtech (Changzhou) Co., Ltd. Loudspeaker and electronic device

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US5117462A (en) * 1991-03-20 1992-05-26 Jbl Incorporated Phasing plug for compression driver
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US6094495A (en) 1998-09-24 2000-07-25 Eastern Acoustic Works, Inc. Horn-type loudspeaker system
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US6343133B1 (en) * 1999-07-22 2002-01-29 Alan Brock Adamson Axially propagating mid and high frequency loudspeaker systems
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KR100922910B1 (en) 2001-03-27 2009-10-22 캠브리지 메카트로닉스 리미티드 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 (en) 2003-03-06 2004-09-16 Karl-Heinz Kuntze Linear loudspeaker array producing pulsed cylindrical waves, comprises row of high frequency speakers in front of row of bass- and mid-range loudspeakers

Also Published As

Publication number Publication date
FI120126B (en) 2009-06-30
US20050265570A1 (en) 2005-12-01
EP1592281B1 (en) 2013-06-26
EP1592281A2 (en) 2005-11-02
US7650006B2 (en) 2010-01-19
EP1592281A3 (en) 2009-06-03

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