EP2187659A2 - Unité de haut-parleur - Google Patents

Unité de haut-parleur Download PDF

Info

Publication number
EP2187659A2
EP2187659A2 EP09175670A EP09175670A EP2187659A2 EP 2187659 A2 EP2187659 A2 EP 2187659A2 EP 09175670 A EP09175670 A EP 09175670A EP 09175670 A EP09175670 A EP 09175670A EP 2187659 A2 EP2187659 A2 EP 2187659A2
Authority
EP
European Patent Office
Prior art keywords
unit
tweeter
recesses
woofer
speaker
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
EP09175670A
Other languages
German (de)
English (en)
Other versions
EP2187659A3 (fr
EP2187659B1 (fr
Inventor
Jörg Knieschewski
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.)
Sennheiser Electronic GmbH and Co KG
Original Assignee
K and H Vertriebs- und Entwicklungsgesellschaft MBH
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 K and H Vertriebs- und Entwicklungsgesellschaft MBH filed Critical K and H Vertriebs- und Entwicklungsgesellschaft MBH
Publication of EP2187659A2 publication Critical patent/EP2187659A2/fr
Publication of EP2187659A3 publication Critical patent/EP2187659A3/fr
Application granted granted Critical
Publication of EP2187659B1 publication Critical patent/EP2187659B1/fr
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
    • H04R1/02—Casings; Cabinets ; Supports therefor; Mountings therein
    • H04R1/025—Arrangements for fixing loudspeaker transducers, e.g. in a box, furniture
    • 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 
    • H04R1/24—Structural combinations of separate transducers or of two parts of the same transducer and responsive respectively to two or more frequency ranges
    • 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
    • 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 
    • H04R1/26—Spatial arrangements of separate transducers responsive to two or more frequency ranges
    • 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
    • H04R2201/02—Details casings, cabinets or mounting therein for transducers covered by H04R1/02 but not provided for in any of its subgroups
    • H04R2201/021—Transducers or their casings adapted for mounting in or to a wall or ceiling
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R5/00—Stereophonic arrangements
    • H04R5/02—Spatial or constructional arrangements of loudspeakers

Definitions

  • the present invention relates to a speaker unit, in particular a ceiling speaker unit.
  • Ceiling speakers are typically designed as a 2-way coaxial system.
  • a tweeter is provided on the same axis as a woofer in front of the woofer. In such speakers, however, it can come in the middle and high range to a relatively tightly focused radiation. This can result in that a sound impression relative to the position of the listener to the position of the ceiling speaker can be perceived as different.
  • a ceiling loudspeaker typically has an opening angle of 40-50 °. Wider beam angles often cause interference between the woofer and tweeter, which can further worsen the sound impression.
  • DE 102 30 409 C1 shows a speaker assembly with a woofer and a tweeter speaker that protrudes from the speaker assembly.
  • a speaker unit in particular a ceiling speaker unit, which has a housing with a front housing section.
  • a woofer unit, a baffle and a tweeter unit are arranged in a 2-way coaxial system.
  • the tweeter unit has a plurality of ridges and a plurality of recesses at the edge of the tweeter unit.
  • the proportion of the areas of the recesses relative to a reference surface is 30% to 70% and in particular 40% to 50%.
  • the reference surface is defined by an inner diameter and an outer diameter of the Hochtonhornes.
  • the inner diameter is limited by the depth of the recesses and the outer diameter is limited by the free-standing ends of the webs.
  • the webs of the tweeter unit extend substantially to the edge of the baffle.
  • the woofer unit is recessed in the baffle.
  • the invention is based on the idea of arranging a tweeter unit in front of a recessed woofer, wherein the tweeter unit has openings at its edge.
  • the low-frequency component of the low-frequency unit located behind the tweeter unit can be radiated in an improved manner.
  • Fig. 1 shows a perspective view of a speaker unit according to a first embodiment.
  • the speaker unit 100 has a front first housing section 60 and a rear housing 50, or a second housing section.
  • the front first housing section 60 comprises a woofer unit 10, a tweeter unit 30 and a baffle 70, the woofer unit 10 and the tweeter unit 30 being constructed as a 2-way coaxial system.
  • the tweeter unit 30 is arranged axially in front of the woofer unit 10.
  • the woofer unit 10 is arranged offset or sunk in a baffle 70.
  • the tweeter unit 30 may also include a waveguide or tweeter 30. At the edge of the tweeter unit 30 and the Hochtonhorns recesses, recesses or holes 31 are provided.
  • the tweeter unit 30, 45 has a hole 32 in the middle, into which the tweeter 45 can be inserted.
  • the high frequency horn 30 is thus attached to the tweeter 45.
  • the webs 33 are not attached to the baffle 70, but extend freely in space.
  • the woofer unit 10 is substantially covered. An exception here are only the recesses 31, which allow the woofer unit 10 to radiate low frequencies largely unhindered.
  • the woofer unit 10 is sunk provided in the baffle 70. It should be noted that the sound of the bass unit can escape through the recesses, recesses or holes on the edge of the tweeter unit or radiated.
  • Fig. 1 circular section or oval recesses are shown, the recesses may also assume another shape such as rectangular, triangular or the like.
  • the unit 40 represents a spacer unit with attached tweeter 45, which can be mounted on the pole core of the woofer.
  • Fig. 2 shows a plan view of the speaker unit according to the first embodiment of Fig. 1 ,
  • the speaker unit 100 has a front first housing portion 60 of the housing, in which a woofer unit and a baffle 70 is received.
  • a tweeter unit 30 is held by the tweeter 45.
  • the tweeter unit 30 has webs 33 and recesses or recesses 31.
  • Fig. 3 shows a schematic perspective view of the speaker unit according to the first embodiment.
  • the speaker unit 100 has a rear housing 50 and a front, first housing section 60.
  • the front first housing section 60 has a woofer unit 10 which is sunk in a baffle 70.
  • a spacer unit 40 is provided in the middle of the woofer unit 10 and serves to receive a tweeter unit 30, wherein the tweeter 45 can be received in a hole 32 of the tweeter unit 30.
  • the tweeter unit 30 or the tweeter horn has webs 33 and recesses or recesses 31.
  • Fig. 4 shows a sectional view of a speaker unit according to the first embodiment.
  • the loudspeaker unit has a front first housing section 60 with a baffle 70 and a recessed low-frequency unit 10.
  • a spacer unit 40 is provided which can receive a tweeter unit 30.
  • the tweeter unit 30 has a central opening 32.
  • the tweeter unit 30 further includes a plurality of webs 33 and recesses 31.
  • Fig. 5 shows a schematic plan view of a speaker unit according to the first embodiment.
  • the Hochtonhorn 30 has recesses 31 and webs 33 at the edge.
  • an inner circle 100 is shown, which adjoins with its circumference 100 at the lower ends of the recesses 31, ie, the inner diameter of the reference surface is defined by the depth of the recesses.
  • an outer circle 200 for limiting the reference surface can be provided, which corresponds to the outer diameter of the webs 33, ie the outer diameter of the reference surface.
  • the outer circle 200 corresponds to the circumference of the Hochtonhornes 30.
  • the ratio between the surface 300 of the recesses 31 with respect to the reference surface 400 between the inner and outer diameter 100, 200 is between 30% and 70%, in particular between 40% and 50% and 46% are preferred.
  • the high frequency horn 30 has an inner diameter 100, which is defined by the depth of the recesses 31.
  • the high frequency horn 30 also has an outer diameter 200, which is defined by the length of the webs 33.
  • a reference surface 400 represents the area between the inner diameter 100 and the outer diameter 200.
  • the design of the tweeter unit with the high-frequency horn is advantageous, because thus a broader beam angle can be achieved with low interference between the woofer unit and the tweeter unit.
  • a spacer unit 40 for receiving the high-frequency unit 30 is located in front of the low-frequency unit 10, so that the high-frequency unit 30 is provided in the sound exit direction behind the low-frequency unit 10.
  • the cross section of the free end of the tweeter unit 30 is greater than the cross section of the free end of the woofer unit 10.
  • the area of the tweeter unit 30 is larger than the area of the woofer unit 10.
  • a tweeter 45 may be arranged in front of the woofer unit 10, ie the tweeter 45 is disposed opposite to the sound exit direction in front of the woofer unit 10.

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)
EP20090175670 2008-11-18 2009-11-11 Unité de haut-parleur Active EP2187659B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102008058028A DE102008058028A1 (de) 2008-11-18 2008-11-18 Lautsprechereinheit

Publications (3)

Publication Number Publication Date
EP2187659A2 true EP2187659A2 (fr) 2010-05-19
EP2187659A3 EP2187659A3 (fr) 2012-10-03
EP2187659B1 EP2187659B1 (fr) 2015-05-13

Family

ID=41691582

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20090175670 Active EP2187659B1 (fr) 2008-11-18 2009-11-11 Unité de haut-parleur

Country Status (3)

Country Link
US (1) US8503690B2 (fr)
EP (1) EP2187659B1 (fr)
DE (1) DE102008058028A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104378717A (zh) * 2014-10-30 2015-02-25 歌尔声学股份有限公司 一种高音扬声器及一种实现全指向高音声场的方法

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8467557B2 (en) * 2009-09-24 2013-06-18 MS Electronics LLC Coaxial speaker system with improved transition between individual speakers
JP1526064S (fr) * 2014-12-25 2015-06-15
US9800968B2 (en) * 2015-05-13 2017-10-24 Paradigm Electronics Inc. Low diffraction tweeter housing
DK201770717A1 (en) * 2016-09-23 2018-04-03 Tymphany Hk Ltd Loudspeaker assembly
US10341761B2 (en) * 2017-02-17 2019-07-02 Tymphany Hk Limited Acoustic waveguide for audio speaker
USD873795S1 (en) * 2017-08-02 2020-01-28 Spirit, LLC Speaker
US11490194B1 (en) * 2021-08-18 2022-11-01 Harman Professional, Inc. Omnidirectional speaker with an inverted dome diaphragm and asymmetric vertical directivity response

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10230409C1 (de) 2002-07-05 2003-10-09 D & B Audiotechnik Ag Koaxiale Lautsprecheranordnung mit rotierbarem Horn

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE366478A (fr) * 1929-07-26
US5193119A (en) * 1985-09-02 1993-03-09 Franco Tontini Multiple loudspeaker
US5143339A (en) * 1991-03-01 1992-09-01 Jbl, Incorporated Speaker mounting assembly
CA2048954C (fr) * 1991-08-12 2002-07-16 Leopold A. Lewis Enceinte de haut-parleur
US6792125B1 (en) * 2000-08-23 2004-09-14 Boston Acoustics, Inc. Pivotable speaker mounting apparatus
US7142680B2 (en) * 2003-03-31 2006-11-28 Telex Multiple waveguide coaxial ceiling loudspeaker
US7570778B2 (en) * 2003-08-26 2009-08-04 Wright Doug S Angled speaker assembly
DE10341213B4 (de) * 2003-09-04 2006-04-13 Don't Panic Die Case-Manufactur Gmbh Schalldiffusoranordnung für ein Lautsprechersystem
JP2005184040A (ja) * 2003-12-15 2005-07-07 Sony Corp 音声信号処理装置及び音声信号再生システム
US7684585B2 (en) * 2006-01-31 2010-03-23 Alpine Electronics, Inc. Thermal management system for speaker system having vented frame for establishing air passages
JP4839890B2 (ja) * 2006-02-28 2011-12-21 ヤマハ株式会社 広指向性スピーカシステム

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10230409C1 (de) 2002-07-05 2003-10-09 D & B Audiotechnik Ag Koaxiale Lautsprecheranordnung mit rotierbarem Horn

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104378717A (zh) * 2014-10-30 2015-02-25 歌尔声学股份有限公司 一种高音扬声器及一种实现全指向高音声场的方法
CN104378717B (zh) * 2014-10-30 2016-09-28 歌尔股份有限公司 一种高音扬声器及一种实现全指向高音声场的方法

Also Published As

Publication number Publication date
DE102008058028A1 (de) 2010-05-20
EP2187659A3 (fr) 2012-10-03
US8503690B2 (en) 2013-08-06
EP2187659B1 (fr) 2015-05-13
US20100124340A1 (en) 2010-05-20

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