DK2416589T3 - Elektroakustisk transducer og transducerindretning - Google Patents

Elektroakustisk transducer og transducerindretning Download PDF

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Publication number
DK2416589T3
DK2416589T3 DK11171990.2T DK11171990T DK2416589T3 DK 2416589 T3 DK2416589 T3 DK 2416589T3 DK 11171990 T DK11171990 T DK 11171990T DK 2416589 T3 DK2416589 T3 DK 2416589T3
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DK
Denmark
Prior art keywords
transducer
channel
sound
opening
gas flow
Prior art date
Application number
DK11171990.2T
Other languages
English (en)
Inventor
Halteren Aart Zeger Van
Niels Beekman
Original Assignee
Sonion Nederland Bv
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 Sonion Nederland Bv filed Critical Sonion Nederland Bv
Application granted granted Critical
Publication of DK2416589T3 publication Critical patent/DK2416589T3/da

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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R11/00Transducers of moving-armature or moving-core type
    • H04R11/04Microphones
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00Details of transducers, loudspeakers or microphones
    • H04R1/20Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/22Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only 
    • H04R1/222Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only  for microphones
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R25/00Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception

Claims (6)

1. Elektroakustisk transducer (10), som omfatter et transducerhus (12) med én eller flere sidedele (40, 42, 44) og et indre rum, idet transduceren omfatter: en bøjelig membran (16), som reagerer på modtaget lyd eller er tilpasset til at frembringe lyd, idet membranen inddeler det indre rum af huset i et første og et andet separat kammer (30, 32), en lydport (14), som er tilpasset til at lede lyd mellem det første kammer (30) og omgivelserne og en kanal (46), som strækker sig mellem en første åbning (48) imod i det mindste ét af det første eller det andet kammer (30, 32), og en anden åbning (50) mod omgivelserne, idet kanalen er tilpasset til at muliggøre luftstrøm derigennem mellem det første eller det andet kammer (30, 32) og omgivelserne, idet kanalen har dimensioner, som tilvejebringer en overføringsfunktion mellem et lydtryk i det første eller det andet kammer og et lydtryk ved kanalens anden åbning, hvilken overføringsfunktion omfatter et lavpasfilter med en grænsefrekvens på under 100 Hz målt under frifelt-betingelser, idet mindst en del af kanalen (46) strækker sig inden for en sidedel (40, 42, 44) og langs et plan deraf, idet planet strækker sig sammen med sidedelen, kendetegnet ved, at kanalen defineres af en del af det materiale, som definerer sidedelen, og har en længde, som er længere end tykkelsen af sidedelen.
2. Transducer ifølge krav 1, hvori i det mindste en del af kanalen (46) har en bugtet form.
3. Transducer ifølge krav 1 eller 2, hvori kanalen (46) ved den anden åbning (50) udvider sig hen imod omgivelserne.
4. Transducer ifølge et hvilket som helst af kravene 1-3, hvori i det mindste en del af kanalen (46) omfatter én eller flere fordybninger (51).
5. Transducer ifølge et hvilket som helst af kravene 1-4, hvori i det mindste en del af kanalen (46) har et forudbestemt tværsnit.
6. Transducer ifølge et hvilket som helst af kravene 1-5, hvori sidedelen (42, 44) defineres af to elementer som strækker sig sammen i planet, idet kanalen defineres mellem de to elementer.
DK11171990.2T 2004-11-01 2005-10-31 Elektroakustisk transducer og transducerindretning DK2416589T3 (da)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US62327804P 2004-11-01 2004-11-01
US69659505P 2005-07-05 2005-07-05
EP05023742A EP1653767A3 (en) 2004-11-01 2005-10-31 Electro-acoustical transducer and transducer assembly

Publications (1)

Publication Number Publication Date
DK2416589T3 true DK2416589T3 (da) 2018-03-12

Family

ID=35705357

Family Applications (1)

Application Number Title Priority Date Filing Date
DK11171990.2T DK2416589T3 (da) 2004-11-01 2005-10-31 Elektroakustisk transducer og transducerindretning

Country Status (3)

Country Link
US (1) US8379899B2 (da)
EP (2) EP2416589B1 (da)
DK (1) DK2416589T3 (da)

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Also Published As

Publication number Publication date
EP2416589B1 (en) 2017-12-20
EP1653767A2 (en) 2006-05-03
US20060109999A1 (en) 2006-05-25
US8379899B2 (en) 2013-02-19
EP1653767A3 (en) 2008-11-19
EP2416589A1 (en) 2012-02-08

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