CA2015517C - Loudspeaker horn - Google Patents

Loudspeaker horn

Info

Publication number
CA2015517C
CA2015517C CA002015517A CA2015517A CA2015517C CA 2015517 C CA2015517 C CA 2015517C CA 002015517 A CA002015517 A CA 002015517A CA 2015517 A CA2015517 A CA 2015517A CA 2015517 C CA2015517 C CA 2015517C
Authority
CA
Canada
Prior art keywords
horn
side walls
section
pair
opposing side
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 - Lifetime
Application number
CA002015517A
Other languages
English (en)
French (fr)
Other versions
CA2015517A1 (en
Inventor
Tsutomu Yoshioka
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.)
Toa Corp
Original Assignee
Toa Corp
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 Toa Corp filed Critical Toa Corp
Publication of CA2015517A1 publication Critical patent/CA2015517A1/en
Application granted granted Critical
Publication of CA2015517C publication Critical patent/CA2015517C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/02—Mechanical acoustic impedances; Impedance matching, e.g. by horns; Acoustic resonators
    • G10K11/025—Mechanical acoustic impedances; Impedance matching, e.g. by horns; Acoustic resonators horns for impedance matching
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; 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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Signal Processing (AREA)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
  • Carbon Steel Or Casting Steel Manufacturing (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
CA002015517A 1989-04-27 1990-04-26 Loudspeaker horn Expired - Lifetime CA2015517C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP01111781A JP3116119B2 (ja) 1989-04-27 1989-04-27 スピーカ用ホーン
JP111781/1989 1989-04-27

Publications (2)

Publication Number Publication Date
CA2015517A1 CA2015517A1 (en) 1990-10-27
CA2015517C true CA2015517C (en) 1994-12-13

Family

ID=14570001

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002015517A Expired - Lifetime CA2015517C (en) 1989-04-27 1990-04-26 Loudspeaker horn

Country Status (6)

Country Link
US (1) US5285025A (enExample)
JP (1) JP3116119B2 (enExample)
CA (1) CA2015517C (enExample)
DE (1) DE4013636A1 (enExample)
FR (1) FR2646578B1 (enExample)
GB (1) GB2231473B (enExample)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2725169B1 (fr) 1994-10-03 1996-12-20 Valeo Vision Dispositif de reglage d'orientation pour projecteur de vehicule automobile
US5925856A (en) * 1996-06-17 1999-07-20 Meyer Sound Laboratories Incorporated Loudspeaker horn
US5750943A (en) * 1996-10-02 1998-05-12 Renkus-Heinz, Inc. Speaker array with improved phase characteristics
US6059069A (en) * 1999-03-05 2000-05-09 Peavey Electronics Corporation Loudspeaker waveguide design
AU2002951421A0 (en) * 2002-09-17 2002-10-03 Krix Loudspeakers Pty Ltd Constant directivity acoustic horn
CN1765148B (zh) * 2003-03-25 2010-04-28 Toa株式会社 扬声器系统用声波导向结构及喇叭扬声器
GB2426884B (en) * 2005-03-02 2008-05-28 Kh Technology Corp Electro-acoustic transducer
GB2423908B (en) * 2005-03-02 2008-04-02 Kh Technology Corp Loudspeaker
GB2451259B (en) * 2007-07-25 2011-07-20 Gp Acoustics Loudspeaker
US7686129B2 (en) * 2007-08-30 2010-03-30 Klipsch Llc Acoustic horn having internally raised geometric shapes
GB2455563B (en) * 2007-12-14 2012-03-21 Tannoy Ltd Acoustical horn
US7837006B1 (en) * 2009-11-04 2010-11-23 Graber Curtis E Enhanced spectrum acoustic energy projection system

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS541448B2 (enExample) * 1972-11-06 1979-01-25
US3930561A (en) * 1974-06-07 1976-01-06 Monitron Industries, Inc. Low distortion pyramidal dispersion speaker
US4071112A (en) * 1975-09-30 1978-01-31 Electro-Voice, Incorporated Horn loudspeaker
GB1563511A (en) * 1976-03-19 1980-03-26 Harwood H Diaphragms for electroacoustic transducers
US4187926A (en) * 1977-06-27 1980-02-12 Altec Corporation Loudspeaker horn
US4176731A (en) * 1977-11-21 1979-12-04 Altec Corporation Two-section exponential acoustical horn
US4308932A (en) * 1980-05-06 1982-01-05 James B. Lansing Sound, Inc. ("Jbl") Loudspeaker horn
JPS5920238B2 (ja) * 1980-10-30 1984-05-11 松下電器産業株式会社 ホ−ンスピ−カ
US4390078A (en) * 1982-02-23 1983-06-28 Community Light & Sound, Inc. Loudspeaker horn
IE53117B1 (en) * 1982-05-14 1988-07-06 Sonic Tape Plc Improvements relating to focussing apparatus
JPS6311840A (ja) * 1986-03-10 1988-01-19 Showa Denko Kk ブタンガス濃度の測定方法およびその装置

Also Published As

Publication number Publication date
JP3116119B2 (ja) 2000-12-11
DE4013636A1 (de) 1990-11-08
GB9009364D0 (en) 1990-06-20
CA2015517A1 (en) 1990-10-27
FR2646578B1 (fr) 1996-08-23
GB2231473A (en) 1990-11-14
JPH02288499A (ja) 1990-11-28
FR2646578A1 (fr) 1990-11-02
US5285025A (en) 1994-02-08
DE4013636C2 (enExample) 1993-01-07
GB2231473B (en) 1993-10-06

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Legal Events

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MKEX Expiry