AU2001249976A1 - Compound driver for acoustical applications - Google Patents

Compound driver for acoustical applications

Info

Publication number
AU2001249976A1
AU2001249976A1 AU2001249976A AU4997601A AU2001249976A1 AU 2001249976 A1 AU2001249976 A1 AU 2001249976A1 AU 2001249976 A AU2001249976 A AU 2001249976A AU 4997601 A AU4997601 A AU 4997601A AU 2001249976 A1 AU2001249976 A1 AU 2001249976A1
Authority
AU
Australia
Prior art keywords
compound driver
diaphragms
motion generator
acoustical applications
diaphragm
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.)
Abandoned
Application number
AU2001249976A
Inventor
C. Ronald Coffin
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 AU2001249976A1 publication Critical patent/AU2001249976A1/en
Abandoned 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
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/06—Loudspeakers
    • H04R9/063—Loudspeakers using a plurality of acoustic drivers

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
  • Control Of Multiple Motors (AREA)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
  • Electromechanical Clocks (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)

Abstract

A compound driver acoustic transducer. A frame supports a motion generator to one side of two diaphragms. An intermediate diaphragm is continuous and is driven by the motion generator. The intermediate diaphragm forms a closed volume with a solid portion of the frame that opens into a central opening through the other, open diaphragm. An axially rigid coupling connects the two diaphragms so they operate in unison.
AU2001249976A 2000-02-09 2001-02-09 Compound driver for acoustical applications Abandoned AU2001249976A1 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US18118100P 2000-02-09 2000-02-09
US60181181 2000-02-09
US09779279 2001-02-08
US09/779,279 US6466676B2 (en) 2000-02-09 2001-02-08 Compound driver for acoustical applications
PCT/US2001/040072 WO2001060114A2 (en) 2000-02-09 2001-02-09 Compound driver for acoustical applications

Publications (1)

Publication Number Publication Date
AU2001249976A1 true AU2001249976A1 (en) 2001-08-20

Family

ID=26876963

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2001249976A Abandoned AU2001249976A1 (en) 2000-02-09 2001-02-09 Compound driver for acoustical applications

Country Status (7)

Country Link
US (1) US6466676B2 (en)
EP (1) EP1262088B1 (en)
CN (1) CN100474941C (en)
AT (1) ATE295058T1 (en)
AU (1) AU2001249976A1 (en)
DE (1) DE60110565D1 (en)
WO (1) WO2001060114A2 (en)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040159490A1 (en) * 2003-02-03 2004-08-19 Marlin Bruce E. Compact loudspeaker and control switch assembly and method for installing and adjusting a loudspeaker in a partition
US20060078136A1 (en) * 2004-10-07 2006-04-13 Stiles Enrique M Chamber-loaded augmented passive radiator
US8009845B2 (en) * 2006-07-04 2011-08-30 Victor Company Of Japan, Limited Microphone apparatus
US7848533B2 (en) * 2006-11-13 2010-12-07 Jason Myles Cobb Loudspeaker
JP2008167150A (en) * 2006-12-28 2008-07-17 Matsushita Electric Ind Co Ltd Speaker
US8431242B2 (en) * 2007-10-26 2013-04-30 Global Oled Technology, Llc. OLED device with certain fluoranthene host
US8009858B2 (en) * 2007-11-28 2011-08-30 Jason Myles Cobb Loudspeaker
US8085968B2 (en) * 2008-07-17 2011-12-27 Bose Corporation Resonating cone transducer
CN102611972B (en) * 2012-03-22 2015-03-25 蔡云萍 Wireless speaker with LED (light-emitting diode) lighting function
DE102014218427B4 (en) * 2014-09-15 2016-06-02 Kendrion Kuhnke Automotive GmbH Loudspeaker, in particular electrodynamic loudspeaker
SE538743C2 (en) * 2015-02-13 2016-11-08 Keyofd Ab Loudspeaker enclosure with a sealed acoustic suspension chamber
RU2661543C1 (en) * 2017-04-24 2018-07-17 Лев Самойлович Напах Loudspeaker composite coaxial diffuser
CN108583392A (en) * 2018-05-22 2018-09-28 黄清山 A kind of chair headrest with loud speaker

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US1545718A (en) 1925-07-14 Amplifying-micbophone beceiveb
US1674895A (en) 1925-04-17 1928-06-26 Richard D Fay Method of and apparatus for radiating sound waves
US1815987A (en) 1929-02-13 1931-07-28 Charles W Peterson Conical diaphragm for loud speakers
US1876831A (en) 1930-06-20 1932-09-13 Rca Corp Sound reproducer
US1932459A (en) 1932-04-16 1933-10-31 Patent Engineering Corp Loud speaker
US2231479A (en) 1938-08-24 1941-02-11 Rca Corp Signal translating apparatus
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US2295527A (en) 1940-10-17 1942-09-15 Bowley Eve Mary Electrodynamic and electroacoustical apparatus
US2553539A (en) 1947-06-16 1951-05-22 Shure Bros Directional microphone with a compliant link interconnected between the two diaphragms
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US3350514A (en) 1964-06-22 1967-10-31 Walter G Finch Radially broadcasting speaker system
DE2057905B1 (en) 1970-11-25 1972-05-25 Romen Faser Kunststoff Loudspeaker arrangement with tweeter and woofer diaphragm driven by a drive system
US4134471A (en) 1976-08-09 1979-01-16 Chamberlain Manufacturing Corporation Narrow angle cylindrical wave full range loudspeaker system
JPS5393816A (en) 1977-01-28 1978-08-17 Hitachi Ltd Diaphragm of speaker
US4301332A (en) 1980-01-08 1981-11-17 Norman Dusanek Woofer loudspeaker
JPS622866Y2 (en) 1981-03-24 1987-01-22
US4497981A (en) 1982-06-01 1985-02-05 Harman International Industries Incorporated Multi-driver loudspeaker
US4590332A (en) 1983-05-23 1986-05-20 Pascal Delbuck Phase coherent low frequency speaker
US4595801A (en) 1983-10-27 1986-06-17 Ronald Coffin Coupled dual cone velocity driver speaker
DE3603537A1 (en) 1986-02-05 1987-08-06 Pfleid Wohnraumakustik Gmbh BROADBAND SPEAKER
US4845776A (en) 1987-05-11 1989-07-04 Electro Acustica S.A. Piezoelectric transducer and transformer circuit
US5548657A (en) 1988-05-09 1996-08-20 Kef Audio (Uk) Limited Compound loudspeaker drive unit
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US4942939A (en) 1989-05-18 1990-07-24 Harrison Stanley N Speaker system with folded audio transmission passage
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JP3266401B2 (en) 1993-12-28 2002-03-18 三菱電機株式会社 Composite speaker device and driving method thereof
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JPH09163492A (en) 1995-12-06 1997-06-20 Pioneer Electron Corp Speaker

Also Published As

Publication number Publication date
EP1262088A2 (en) 2002-12-04
EP1262088B1 (en) 2005-05-04
DE60110565D1 (en) 2005-06-09
ATE295058T1 (en) 2005-05-15
CN1418450A (en) 2003-05-14
CN100474941C (en) 2009-04-01
WO2001060114A3 (en) 2002-06-13
US6466676B2 (en) 2002-10-15
US20010033668A1 (en) 2001-10-25
WO2001060114A2 (en) 2001-08-16

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