AU2000276332B2 - Direct coupling of waveguide to compression driver having matching slot shaped throats - Google Patents

Direct coupling of waveguide to compression driver having matching slot shaped throats Download PDF

Info

Publication number
AU2000276332B2
AU2000276332B2 AU2000276332A AU2000276332A AU2000276332B2 AU 2000276332 B2 AU2000276332 B2 AU 2000276332B2 AU 2000276332 A AU2000276332 A AU 2000276332A AU 2000276332 A AU2000276332 A AU 2000276332A AU 2000276332 B2 AU2000276332 B2 AU 2000276332B2
Authority
AU
Australia
Prior art keywords
plug
input
output
apertures
compression
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.)
Ceased
Application number
AU2000276332A
Other languages
English (en)
Other versions
AU2000276332A1 (en
Inventor
Robert Grunberg
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of AU2000276332A1 publication Critical patent/AU2000276332A1/en
Application granted granted Critical
Publication of AU2000276332B2 publication Critical patent/AU2000276332B2/en
Anticipated expiration legal-status Critical
Ceased 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 
    • H04R1/30—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
    • H04R1/34—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means
    • H04R1/345—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means for loudspeakers

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)
  • Waveguide Connection Structure (AREA)
  • Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
AU2000276332A 2000-09-22 2000-09-22 Direct coupling of waveguide to compression driver having matching slot shaped throats Ceased AU2000276332B2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/AU2000/001157 WO2002025991A1 (en) 2000-09-22 2000-09-22 Direct coupling of waveguide to compression driver having matching slot shaped throats

Publications (2)

Publication Number Publication Date
AU2000276332A1 AU2000276332A1 (en) 2002-06-20
AU2000276332B2 true AU2000276332B2 (en) 2005-03-10

Family

ID=3700850

Family Applications (2)

Application Number Title Priority Date Filing Date
AU2000276332A Ceased AU2000276332B2 (en) 2000-09-22 2000-09-22 Direct coupling of waveguide to compression driver having matching slot shaped throats
AU7633200A Pending AU7633200A (en) 2000-09-22 2000-09-22 Direct coupling of waveguide to compression driver having matching slot shaped throats

Family Applications After (1)

Application Number Title Priority Date Filing Date
AU7633200A Pending AU7633200A (en) 2000-09-22 2000-09-22 Direct coupling of waveguide to compression driver having matching slot shaped throats

Country Status (6)

Country Link
EP (1) EP1330936B1 (de)
CN (1) CN100413379C (de)
AT (1) ATE448648T1 (de)
AU (2) AU2000276332B2 (de)
DE (1) DE60043311D1 (de)
WO (1) WO2002025991A1 (de)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
ITPR20020064A1 (it) * 2002-10-31 2004-05-01 Aeb Srl Equalizzatore, o phase plug, per trasduttori elettroacustici.
FI120126B (fi) 2004-04-30 2009-06-30 Aura Audio Oy Menetelmä tasaisen ääniaaltorintaman aikaansaamiseksi sekä tasoaaltosuuntain, kaiutinrakenne ja akustinen linjasäteilijä
GB2443228B (en) * 2006-10-25 2010-02-10 Gary Paul Nicholson Piezo-electric loudspeaker
US8917896B2 (en) 2009-09-11 2014-12-23 Bose Corporation Automated customization of loudspeakers
US9111521B2 (en) 2009-09-11 2015-08-18 Bose Corporation Modular acoustic horns and horn arrays
US9049519B2 (en) 2011-02-18 2015-06-02 Bose Corporation Acoustic horn gain managing
DE102012107645B4 (de) * 2012-08-21 2015-04-30 D & B Audiotechnik Gmbh Akustischer wandler
US10425723B2 (en) 2015-08-14 2019-09-24 Dolby Laboratories Licensing Corporation Upward firing loudspeaker having asymmetric dispersion for reflected sound rendering
US9712911B2 (en) * 2015-12-22 2017-07-18 Bose Corporation Conformable adaptors for diffraction slots in speakers
EP3429224A1 (de) * 2017-07-14 2019-01-16 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Lautsprecher
EP3644623B1 (de) * 2018-10-26 2022-02-23 B&C Speakers S.P.A. Koaxialer kompressionstreiber
BE1028524B1 (nl) * 2020-07-31 2022-02-28 Aed Distrib Nv Lijnbronluidsprekerinrichting
US11877120B2 (en) * 2022-06-13 2024-01-16 Harman International Industries, Incorporated Compression driver having rectangular exit

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5117462A (en) * 1991-03-20 1992-05-26 Jbl Incorporated Phasing plug for compression driver
US6064745A (en) * 1997-09-26 2000-05-16 Peavey Electronics Corporation Compression driver phase plug

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54162536A (en) * 1978-06-13 1979-12-24 Matsushita Electric Ind Co Ltd Horn speaker
US4718517A (en) * 1986-02-27 1988-01-12 Electro-Voice, Inc. Loudspeaker and acoustic transformer therefor
GB8726489D0 (en) * 1987-11-12 1987-12-16 Grunberg R M Electro-acoustic transducers
US4776428A (en) * 1987-11-16 1988-10-11 Belisle Acoustique Inc. Sound projection system
FR2627886B1 (fr) * 1988-02-29 1994-05-13 Heil Christian Guide d'onde sonore cylindrique
CN2082935U (zh) * 1990-07-06 1991-08-14 林光耀 号角型扬声器
US5900593A (en) * 1995-07-31 1999-05-04 Adamson; Alan Brock Loudspeaker system
CN2315749Y (zh) * 1997-11-28 1999-04-21 邹余龙 电动扬声器
US6771787B1 (en) * 1998-09-03 2004-08-03 Bose Corporation Waveguide electroacoustical transducing

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5117462A (en) * 1991-03-20 1992-05-26 Jbl Incorporated Phasing plug for compression driver
US6064745A (en) * 1997-09-26 2000-05-16 Peavey Electronics Corporation Compression driver phase plug

Also Published As

Publication number Publication date
EP1330936B1 (de) 2009-11-11
EP1330936A4 (de) 2006-12-27
EP1330936A1 (de) 2003-07-30
ATE448648T1 (de) 2009-11-15
CN100413379C (zh) 2008-08-20
AU7633200A (en) 2002-04-02
WO2002025991A1 (en) 2002-03-28
DE60043311D1 (de) 2009-12-24
CN1461577A (zh) 2003-12-10

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Legal Events

Date Code Title Description
MK1 Application lapsed section 142(2)(a) - no request for examination in relevant period
NB Applications allowed - extensions of time section 223(2)

Free format text: THE TIME IN WHICH TO REQUEST EXAMINATION HAS BEEN EXTENDED TO 15 SEP 2004.

FGA Letters patent sealed or granted (standard patent)
MK14 Patent ceased section 143(a) (annual fees not paid) or expired
NA Applications received for extensions of time, section 223

Free format text: AN APPLICATION TO EXTEND THE TIME FROM 22 SEP 2005 TO 05 MAY 2006 IN WHICH TO PAY A RENEWAL FEE HASBEEN FILED .

NB Applications allowed - extensions of time section 223(2)

Free format text: THE TIME IN WHICH TO PAY A RENEWAL FEE HAS BEEN EXTENDED TO 05 MAY 2006.

MK14 Patent ceased section 143(a) (annual fees not paid) or expired