EP2640089A3 - Ring membrane compression driver - Google Patents

Ring membrane compression driver Download PDF

Info

Publication number
EP2640089A3
EP2640089A3 EP13158627.3A EP13158627A EP2640089A3 EP 2640089 A3 EP2640089 A3 EP 2640089A3 EP 13158627 A EP13158627 A EP 13158627A EP 2640089 A3 EP2640089 A3 EP 2640089A3
Authority
EP
European Patent Office
Prior art keywords
sound
annular
sound outlet
outlet channel
compression chamber
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.)
Granted
Application number
EP13158627.3A
Other languages
German (de)
French (fr)
Other versions
EP2640089B1 (en
EP2640089A2 (en
Inventor
Dimitar Kirilov Dimitrov
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.)
BMS Speakers GmbH
Original Assignee
BMS Speakers GmbH
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 BMS Speakers GmbH filed Critical BMS Speakers GmbH
Publication of EP2640089A2 publication Critical patent/EP2640089A2/en
Publication of EP2640089A3 publication Critical patent/EP2640089A3/en
Application granted granted Critical
Publication of EP2640089B1 publication Critical patent/EP2640089B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • H04R1/32—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only
    • H04R1/323—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only for loudspeakers
    • 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
    • H04R2400/00—Loudspeakers
    • H04R2400/13—Use or details of compression drivers

Landscapes

  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
  • Reciprocating Pumps (AREA)

Abstract

Ein Ringmembran-Kompressionstreiber (1) zur elektroakustischen Wandlung mit einer ringförmigen Membran (9), die mindestens eine Schwingspule trägt, einem Kompressionstreibergehäuse (2), das einen geschlossenen Gehäuseboden (3), gegenüberliegend vom Gehäuseboden (3) ein Schallwellen-Leitelement (14) mit einem endseitig offenen Schallausleitungskanal (12), und mit mindestens einer ringförmigen Magnetsystemeinheit (4), die einen ringförmigen Magnetspalt (M) und eine an den Magnetspalt (M) angrenzende Kompressionskammer (8) für eine zugeordnete ringförmige Membran (9) hat, wird beschrieben.A ring diaphragm compression driver (1) for electroacoustic conversion with an annular diaphragm (9) carrying at least one voice coil, a compression driver housing (2) having a closed housing bottom (3), opposite the housing bottom (3), a sound wave guide element (14 ) having an end open sound exit channel (12), and at least one annular magnet system unit (4) having an annular magnetic gap (M) and a compression chamber (8) adjacent to the magnetic gap (M) for an associated annular membrane (9), is described.

Das offene Schallaustrittsende (15) des Schallausleitungskanals (12) ist schlitzförmig und der dem offenen Schallaustrittsende (15) gegenüberliegende und der Kompressionskammer (8) benachbarte Schalleintrittanfang (16) des Schallausleitungskanals (12) ist ringförmig. Im Schallweg zwischen der mindestens einen Kompressionskammer (8) und dem Schalleintrittsanfang (16) des Schallausleitungskanals (12) ist ein ringförmiger Sammelraum (11) vorgesehen, wobei im Sammelraum (11) und dem Schallausleitungskanal (12) ein zentraler Schallführungskörper (13) mit einem von einem ringförmigen Querschnitt in einen an das schlitzförmige Schallaustrittsende (15) des Schallausleitungskanals (12) angepassten Querschnitt übergehenden Abschnitt angeordnet ist und der Schallausleitungskanal (12) zwischen dem Schallführungskörper (13) und einer umlaufenden Wand des Schallwellen-Leitelementes (14) gebildet ist.

Figure imgaf001
The open sound outlet end (15) of the sound outlet channel (12) is slit-shaped and the sound inlet opening (16) of the sound outlet channel (12) opposite the open sound outlet end (15) and adjacent to the compression chamber (8) is annular. In the sound path between the at least one compression chamber (8) and the sound inlet beginning (16) of Schallausleitungskanals (12) an annular collecting space (11) is provided, wherein the collecting chamber (11) and the sound outlet channel (12) a central sound guide body (13) with a of an annular cross-section in a to the slot-shaped sound outlet end (15) of the Schallausleitungskanals (12) adapted cross section passing section is arranged and the sound outlet channel (12) between the sound guide body (13) and a circumferential wall of the sound wave guide element (14) is formed.
Figure imgaf001
EP13158627.3A 2012-03-15 2013-03-11 Ring membrane compression driver Active EP2640089B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102012102207A DE102012102207B3 (en) 2012-03-15 2012-03-15 Ring diaphragm compression driver

Publications (3)

Publication Number Publication Date
EP2640089A2 EP2640089A2 (en) 2013-09-18
EP2640089A3 true EP2640089A3 (en) 2015-09-30
EP2640089B1 EP2640089B1 (en) 2017-10-11

Family

ID=47845820

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13158627.3A Active EP2640089B1 (en) 2012-03-15 2013-03-11 Ring membrane compression driver

Country Status (4)

Country Link
US (1) US9008343B2 (en)
EP (1) EP2640089B1 (en)
CN (1) CN103369438B (en)
DE (1) DE102012102207B3 (en)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10271131B2 (en) 2014-10-08 2019-04-23 Harman International Industries, Incorporated Shallow profile compression driver
US10425723B2 (en) 2015-08-14 2019-09-24 Dolby Laboratories Licensing Corporation Upward firing loudspeaker having asymmetric dispersion for reflected sound rendering
US10531200B2 (en) 2015-10-23 2020-01-07 Harman International Industries, Incorporated Dual asymmetric compression driver
USD814441S1 (en) * 2016-05-16 2018-04-03 Scott Hanna Loudspeaker horn
US10038954B2 (en) * 2016-08-22 2018-07-31 Harman International Industries, Incorporated Compression driver and phasing plug assembly therefor
US20180063635A1 (en) * 2016-09-01 2018-03-01 Audeze, Llc Non-axisymmetric and non-horn phase plugs
US10250972B2 (en) * 2017-03-23 2019-04-02 Apple Inc. Phase plug having non-round face profile
US10327068B2 (en) 2017-11-16 2019-06-18 Harman International Industries, Incorporated Compression driver with side-firing compression chamber
WO2020061304A1 (en) * 2018-09-19 2020-03-26 Polk Audio, Llc Audio transducer with forced ventilation of motor and method
EP3644623B1 (en) * 2018-10-26 2022-02-23 B&C Speakers S.P.A. Coaxial compression driver
IT201900024799A1 (en) 2019-12-19 2021-06-19 B&C Speakers S P A Compression driver
CN111800681B (en) * 2020-06-30 2022-04-19 深圳易科声光科技股份有限公司 Sound compression guiding device
US11877120B2 (en) * 2022-06-13 2024-01-16 Harman International Industries, Incorporated Compression driver having rectangular exit

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE68915582T2 (en) * 1988-02-29 1995-01-19 Heil Acoustics Cylindrical acoustic waveguide.
EP0793216A2 (en) * 1996-02-29 1997-09-03 Svetlomir Alexandrov Pressure chamber driver
US20110085692A1 (en) * 2008-06-11 2011-04-14 Harman International Industries, Incorporated Dual compression drivers and phasing plugs for compression drivers
US20120033841A1 (en) * 2010-08-04 2012-02-09 Robert Bosch Gmbh Annular ring acoustic transformer

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4091891A (en) * 1973-01-17 1978-05-30 Onkyo Kabushiki Kaisha Horn speaker
US4325456A (en) 1980-10-10 1982-04-20 Altec Corporation Acoustical transformer for compression-type loudspeaker with an annular diaphragm
GB2270606B (en) * 1992-09-15 1996-03-20 Anthony John Andrews Loudspeaker enclosure
FR2735646B1 (en) * 1995-06-16 1997-08-22 Phl Audio LOUDSPEAKER FOR HIGH FREQUENCIES
DE19626236C2 (en) 1996-02-29 1998-01-22 Svetlomir Alexandrov Pressure chamber driver
US6320970B1 (en) * 1998-09-25 2001-11-20 Eugene J. Czerwinski High frequency compression drivers
US8718310B2 (en) * 2001-10-19 2014-05-06 Qsc Holdings, Inc. Multiple aperture speaker assembly
US8036408B2 (en) * 2005-12-22 2011-10-11 Harman International Industries, Incorporated Phasing plug for a compression driver
US7802650B2 (en) * 2008-07-09 2010-09-28 John Kevin Bartlett Combination midrange and high frequency horn
DK2321976T3 (en) * 2008-07-24 2016-06-13 Genelec Oy Embedded speaker composite drive unit
US8139804B2 (en) * 2009-06-24 2012-03-20 Bose Corporation Electroacoustic transducing with a bridge phase plug

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE68915582T2 (en) * 1988-02-29 1995-01-19 Heil Acoustics Cylindrical acoustic waveguide.
EP0793216A2 (en) * 1996-02-29 1997-09-03 Svetlomir Alexandrov Pressure chamber driver
US20110085692A1 (en) * 2008-06-11 2011-04-14 Harman International Industries, Incorporated Dual compression drivers and phasing plugs for compression drivers
US20120033841A1 (en) * 2010-08-04 2012-02-09 Robert Bosch Gmbh Annular ring acoustic transformer

Also Published As

Publication number Publication date
US20130243232A1 (en) 2013-09-19
CN103369438B (en) 2018-02-27
EP2640089B1 (en) 2017-10-11
CN103369438A (en) 2013-10-23
US9008343B2 (en) 2015-04-14
DE102012102207B3 (en) 2013-08-29
EP2640089A2 (en) 2013-09-18

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