EP2589230B1 - Microphone avec stockage flexible - Google Patents

Microphone avec stockage flexible Download PDF

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Publication number
EP2589230B1
EP2589230B1 EP12714606.6A EP12714606A EP2589230B1 EP 2589230 B1 EP2589230 B1 EP 2589230B1 EP 12714606 A EP12714606 A EP 12714606A EP 2589230 B1 EP2589230 B1 EP 2589230B1
Authority
EP
European Patent Office
Prior art keywords
microphone
decoupling unit
microphone capsule
decoupling
housing
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.)
Active
Application number
EP12714606.6A
Other languages
German (de)
English (en)
Other versions
EP2589230A1 (fr
Inventor
Bernd WIEDERHOLT
Lars HEINRICH
Dirk Hackbarth
Gerd Söhnholz
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
Sennheiser Electronic GmbH and Co KG
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 Sennheiser Electronic GmbH and Co KG filed Critical Sennheiser Electronic GmbH and Co KG
Publication of EP2589230A1 publication Critical patent/EP2589230A1/fr
Application granted granted Critical
Publication of EP2589230B1 publication Critical patent/EP2589230B1/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
    • 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
    • H04R1/08—Mouthpieces; Microphones; Attachments therefor
    • H04R1/083—Special constructions of mouthpieces
    • 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 
    • H04R1/28—Transducer mountings or enclosures modified by provision of mechanical or acoustic impedances, e.g. resonator, damping means
    • H04R1/2869—Reduction of undesired resonances, i.e. standing waves within enclosure, or of undesired vibrations, i.e. of the enclosure itself
    • H04R1/2892—Mountings or supports for transducers

Definitions

  • the present invention relates to a microphone.
  • a microphone capsule can be provided swinging in or on the housing of the microphone.
  • a microphone with a microphone capsule and a microphone capsule suspension has a first and a second housing section and at least one decoupling unit.
  • the microphone capsule is mounted on the decoupling unit for structure-borne sound decoupling.
  • the decoupling unit is in turn attached to the first and / or second housing portion.
  • the decoupling unit has a shape changing section which changes the shape when loaded.
  • the decoupling unit has at least two arms, which each have a first and a second end.
  • the second ends of the arms each have a mounting portion for receiving the microphone capsule.
  • Each arm has a shape changing portion that changes shape at a first load, and an elastic portion that allows elastic deformation from a second load.
  • the microphone capsule has first and second ends, the first and second ends being respectively supported in a decoupling unit, i. H. the microphone has two decoupling units (a decoupling unit at the first end and a decoupling unit at the second end).
  • the decoupling unit is made of a single material.
  • the shape changing portions are round, annular, oval, rectangular or have at least one hole in the middle.
  • the decoupling unit has a nonlinear spring characteristic.
  • a microphone is provided with a microphone capsule, which is swingably mounted in or on the microphone housing.
  • the decoupling is improved, the softer the oscillating bearing is designed.
  • the resonant frequency of this oscillating bearing should be outside the audible range. Additionally or alternatively, the vibration system should have a low quality.
  • mechanical instability may occur at very low resonant frequencies of the oscillating bearing, so that further deflections of the microphone capsule may occur during movement of the microphone.
  • the oscillating bearing can have a material, which has a very large internal damping (eg butyl).
  • the invention relates to the idea of providing a swinging bearing (decoupling unit), which has a progressively designed spring characteristic of the elastic mounting in order to increase the mechanical stability.
  • the oscillating bearing around the rest point can be designed as a soft spring, while it is designed at high deflections as a hard spring.
  • this progressive design can be provided in all three axes.
  • webs or sections of the decoupling unit can be bent out of the line of force, or a change in the shape of the sections can initially take place.
  • a spring force can result from bending the material.
  • the bow is then fully stretched, there is a large deflection of the spring force due to a material expansion.
  • to bend thin webs of the spring are much finer forces required than for the stretching of the material, which then the desired progressiveness of the spring characteristic can be achieved.
  • Fig. 1 shows a schematic representation of a microphone capsule suspension of a microphone according to a first embodiment.
  • the microphone has a housing 30 (first housing section), a transducer housing 10 or a microphone capsule, a second housing section 20 of the microphone capsule and a structure-borne sound decoupling unit 40.
  • the converter housing 10 has first and second ends 11, 12.
  • the decoupling unit 40 is attached to a first housing portion 20 and receives the microphone capsule, so that a structure-borne sound decoupling can be realized.
  • both the first and second ends 11, 12 of the microphone capsule may be fastened to or with the decoupling unit 40.
  • Fig. 2 shows a schematic perspective view of a microphone capsule suspension of a microphone according to a second embodiment.
  • the microphone has a housing 30 (second housing section), a transducer housing or a microphone capsule 10, a first housing section 20 and at least one decoupling unit 40 for receiving the microphone capsule.
  • the decoupling unit 40 is attached to the first housing portion 20.
  • the microphone capsule 10 is connected only via the decoupling units 40 with the housing (second housing portion) of the microphone.
  • the first housing portion may be configured as a number of rods 21 with a connecting ring 22 at one end.
  • the structure-borne sound decoupling unit 40 can be attached to or with the rods and can absorb the microphone capsule borne noise.
  • Fig. 3 shows a schematic representation of a decoupling unit of a microphone capsule suspension of a microphone according to a third embodiment.
  • the decoupling unit according to the third embodiment can be used in a microphone capsule suspension according to the first and / or second embodiment.
  • the decoupling unit 40 has a receiving portion 41 for receiving one end of a microphone capsule and z. B. six arms 42, 43, 44, 45, 46, 47, which are each connected to the receiving portion 41. As an alternative to the six arms, more or less arms can be provided.
  • Each of the (six) arms 42-47 has at its first end 42a-47a a mounting portion for attachment to a second housing portion 20 (or rods 21) of the microphone capsule suspension 20.
  • the second end 42 c - 47 c of each of the six arms is connected to the receiving portion 41.
  • a deformation section 42b-47b is present between the first end 42a-47a and the second end 42c-47c.
  • the shape changing section 42b-47b may be round, ring-shaped, oval, rectangular, etc. Alternatively or additionally, the shape changing section 42b-47b may be configured with at least one hole in the middle.
  • the shape changing portion 42b-47b is configured to change its shape even at small deflections of a microphone capsule 10 placed in the receiving portion 41.
  • elastic deformation of the first and / or second ends may occur.
  • elastic deformation of the second end 42c-47c may occur.
  • a decoupling unit 40 is provided with a progressively elastic storage.
  • the bearing is configured as a soft spring (shape changing portions) by the provision of the shape changing portions.
  • the decoupling unit (second ends 42c - 47c) can be realized as a hard spring, since there is an elastic deformation in length the first and / or second section or the material provided there may come.
  • the spring force of the decoupling unit is given by elongation of the material.
  • the microphone according to the invention can have two decoupling units, each of which receives a first and second end of a microphone capsule and serve for structure-borne sound decoupling.
  • the decoupling unit has a shape changing section and an elastic section. Until a first load, the shape of the shape changing section is changed. With increasing load, an elastic deformation of the elastic section occurs. Thus, the decoupling unit has both a shape changing portion and an elastic portion.

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
  • Telephone Set Structure (AREA)

Claims (4)

  1. Microphone, comprenant
    une capsule de microphone (10), un boîtier doté d'une section de boîtier (20) et au moins une unité de découplage (40),
    dans lequel la capsule de microphone (10) est installée au niveau d'une première section de fixation (41) de l'unité de découplage (40) pour le découplage des bruits de structure et l'unité de découplage (40) représente un support flexible,
    dans lequel l'unité de découplage (40) présente au moins deux bras (42 - 47), qui présentent respectivement une première et une deuxième extrémités (42a - 47a, 42c - 47c), les premières extrémités (42a-47a) présentant respectivement une deuxième section de fixation (42a - 47a) pour la fixation à la section de boîtier (20),
    les deuxièmes extrémités (42c - 47c) respectives étant couplées à la première section de fixation (41),
    dans lequel chaque bras (42 - 47) présente, entre sa première et sa deuxième extrémité, une section à modification de forme (42b - 47b) et une section droite flexible (42c - 47c), qui sont disposées l'une derrière l'autre,
    dans lequel la section à modification de forme (42b - 47b) est configurée de telle manière qu'elle modifie sa forme en présence de petites déviations de la capsule de microphone (10) et le support flexible présente alors le comportement d'un ressort souple, caractérisé en ce que la section à modification de forme (42b - 47b) est totalement étirée en présence de déviations de plus grande ampleur de la capsule de microphone (10) de sorte qu'elle présente alors du fait d'une dilatation du matériau le comportement d'un ressort plus dur.
  2. Microphone selon la revendication 1,
    dans lequel la capsule de microphone (10) est installée, par sa première et sa deuxième extrémité (11, 12), respectivement dans une unité de découplage (40).
  3. Microphone selon la revendication 1 ou 2,
    dans lequel l'unité de découplage (40) est fabriquée à partir d'un matériau.
  4. Microphone selon l'une des revendications 1 à 3,
    dans lequel des sections à modification de forme (42b - 47b) sont configurées de manière à présenter une forme ronde, annulaire, ovale, rectangulaire ou de manière à présenter au moins un trou au centre.
EP12714606.6A 2011-03-29 2012-03-29 Microphone avec stockage flexible Active EP2589230B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102011006299A DE102011006299A1 (de) 2011-03-29 2011-03-29 Mikrofon
PCT/EP2012/055608 WO2012130927A1 (fr) 2011-03-29 2012-03-29 Microphone

Publications (2)

Publication Number Publication Date
EP2589230A1 EP2589230A1 (fr) 2013-05-08
EP2589230B1 true EP2589230B1 (fr) 2014-10-15

Family

ID=45974265

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12714606.6A Active EP2589230B1 (fr) 2011-03-29 2012-03-29 Microphone avec stockage flexible

Country Status (5)

Country Link
US (1) US9319761B2 (fr)
EP (1) EP2589230B1 (fr)
CN (1) CN103081509B (fr)
DE (1) DE102011006299A1 (fr)
WO (1) WO2012130927A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102014115589A1 (de) * 2014-10-27 2016-04-28 Endress + Hauser Flowtec Ag Anordnung zum Aussenden und/oder Empfangen eines Ultraschall-Nutzsignals und Ultraschall-Durchflussmessgerät
DE102014115592A1 (de) * 2014-10-27 2016-04-28 Endress + Hauser Flowtec Ag Anordnung zum Aussenden und/oder Empfangen eines Ultraschall-Nutzsignals und Ultraschall-Durchflussmessgerät

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH067660Y2 (ja) * 1984-03-09 1994-02-23 日本ビクター株式会社 ステレオマイクロホン
WO1999014981A1 (fr) * 1997-09-18 1999-03-25 Akg Acoustics Gmbh Microphone
US7182324B2 (en) * 2002-04-19 2007-02-27 Polycom, Inc. Microphone isolation system
AT413921B (de) * 2002-10-01 2006-07-15 Akg Acoustics Gmbh Mikrofone mit untereinander gleicher empfindlichkeit und verfahren zur herstellung derselben
JP4426912B2 (ja) * 2004-06-30 2010-03-03 株式会社オーディオテクニカ マイクロホン装置
FI20055261A0 (fi) * 2005-05-27 2005-05-27 Midas Studios Avoin Yhtioe Akustisten muuttajien kokoonpano, järjestelmä ja menetelmä akustisten signaalien vastaanottamista tai toistamista varten
SE530023C2 (sv) * 2006-06-20 2008-02-12 Peltor Ab Hörselkåpa

Also Published As

Publication number Publication date
DE102011006299A1 (de) 2012-10-18
CN103081509A (zh) 2013-05-01
US20140153739A1 (en) 2014-06-05
US9319761B2 (en) 2016-04-19
EP2589230A1 (fr) 2013-05-08
CN103081509B (zh) 2017-04-12
WO2012130927A1 (fr) 2012-10-04

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