EP2007172A1 - Petit tuyau de sortie acoustique doté d'une structure à 2 composants - Google Patents

Petit tuyau de sortie acoustique doté d'une structure à 2 composants Download PDF

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Publication number
EP2007172A1
EP2007172A1 EP08104432A EP08104432A EP2007172A1 EP 2007172 A1 EP2007172 A1 EP 2007172A1 EP 08104432 A EP08104432 A EP 08104432A EP 08104432 A EP08104432 A EP 08104432A EP 2007172 A1 EP2007172 A1 EP 2007172A1
Authority
EP
European Patent Office
Prior art keywords
plastic
sound
hearing aid
sound output
hearing
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
EP08104432A
Other languages
German (de)
English (en)
Other versions
EP2007172B1 (fr
Inventor
Wai Kit David Ho
Wee Haw Koo
Wee Loong Ng
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.)
Sivantos Pte Ltd
Original Assignee
Siemens Medical Instruments Pte Ltd
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 Siemens Medical Instruments Pte Ltd filed Critical Siemens Medical Instruments Pte Ltd
Publication of EP2007172A1 publication Critical patent/EP2007172A1/fr
Application granted granted Critical
Publication of EP2007172B1 publication Critical patent/EP2007172B1/fr
Not-in-force 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
    • H04R25/00—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception
    • H04R25/65—Housing parts, e.g. shells, tips or moulds, or their manufacture
    • H04R25/658—Manufacture of housing parts
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R25/00—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception
    • H04R25/45—Prevention of acoustic reaction, i.e. acoustic oscillatory feedback
    • H04R25/456—Prevention of acoustic reaction, i.e. acoustic oscillatory feedback mechanically
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R25/00—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception
    • H04R25/60—Mounting or interconnection of hearing aid parts, e.g. inside tips, housings or to ossicles
    • H04R25/604—Mounting or interconnection of hearing aid parts, e.g. inside tips, housings or to ossicles of acoustic or vibrational transducers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2225/00—Details of deaf aids covered by H04R25/00, not provided for in any of its subgroups
    • H04R2225/021—Behind the ear [BTE] hearing aids
    • H04R2225/0213—Constructional details of earhooks, e.g. shape, material
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R25/00—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception
    • H04R25/60—Mounting or interconnection of hearing aid parts, e.g. inside tips, housings or to ossicles
    • H04R25/607—Mounting or interconnection of hearing aid parts, e.g. inside tips, housings or to ossicles of earhooks

Definitions

  • the present invention relates to a sound output tube for direct connection to an output port of a listener of a hearing device, which is made as an injection molded part.
  • a hearing device is understood to mean, in particular, a device that can be worn on the ear, such as a hearing aid, a headset, a headset and the like.
  • Hearing aids are portable hearing aids that are used to care for the hearing impaired.
  • different types of hearing aids such as behind-the-ear hearing aids (BTE) and in-the-ear hearing aids (ITO), e.g. also Concha hearing aids or canal hearing aids (CIC), provided.
  • BTE behind-the-ear hearing aids
  • ITO in-the-ear hearing aids
  • CIC canal hearing aids
  • the hearing aids listed by way of example are worn on the outer ear or in the ear canal.
  • bone conduction hearing aids, implantable or vibrotactile hearing aids are also available on the market. The stimulation of the damaged hearing takes place either mechanically or electrically.
  • Hearing aids have in principle as essential components an input transducer, an amplifier and an output transducer.
  • the input transducer is usually a sound receiver, z. As a microphone, and / or an electromagnetic receiver, for. B. an induction coil.
  • the output transducer is usually used as an electroacoustic transducer, z. As miniature speaker, or as an electromechanical transducer, z. B. bone conduction, realized.
  • the amplifier is usually integrated in a signal processing unit. This basic structure is in FIG. 1 shown using the example of a behind-the-ear hearing aid. In a hearing aid housing 1 for carrying behind the ear, one or more microphones 2 for receiving the sound from the environment are installed.
  • a signal processing unit 3 which also in the Hearing aid housing 1 is integrated, processes the microphone signals and amplifies them.
  • the output signal of the signal processing unit 3 is transmitted to a loudspeaker or earpiece 4, which outputs an acoustic signal.
  • the sound is optionally transmitted via a sound tube, which is fixed with an earmold in the ear canal, to the eardrum of the device carrier.
  • the power supply of the hearing device and in particular of the signal processing unit 3 is carried out by a likewise integrated into the hearing aid housing 1 battery. 5
  • the handset 4 is connected with its output to a connector 6. This serves at the same time as a mechanical plug-in connection or attachment for a carrying hook 7 and for transmitting the amplified sound from the handset 4 in a sound channel 8 of the carrying hook 7. From the carrying hook 7, the sound is usually passed to the auditory canal via a sound tube, not shown.
  • a soft sound output tube and soft suspensions of the listener lead to better acoustic properties of the hearing device or the hearing device.
  • this also requires a larger installation space for the listener, since he must be able to move accordingly, in particular in case tests.
  • a compromise is sought that allows the smallest possible installation space, but at the same time the vibrations of the handset or the hearing aid housing are sufficiently absorbed. It is therefore necessary to balance between acoustic stability and mechanical design.
  • WO 2006/125434 A1 is a hook for a hearing aid known.
  • the hearing aid hook has damping means to dampen its mechanical vibrations.
  • a multi-part hook is proposed, the middle part consists of a damping material.
  • the hook can be produced in a multi-component injection molding process.
  • a damping material for example, silicone is suitable.
  • a hearing aid in which at least two of the to be assembled thereon Parts made of different materials in two- or multi-component injection molding are made.
  • a seal is sprayed onto a two-part or multi-part shell of a hearing aid in an edge region of a shell part.
  • the object of the present invention is to ensure a sufficiently stable against external influences in a listener of a hearing device, on the other hand, the vibrations of the listener to be sufficiently attenuated.
  • a sound outlet tube for direct connection to an outlet nozzle of a receiver of a hearing which is made as an injection molded part, comprising an outer sheath of a first plastic and an inner wall of a second plastic, which is more elastic than the first plastic, wherein the Outer jacket and the inner wall are made by 2-component injection molding.
  • the inventive 2-component sound output tube with its hard outer jacket fulfills the function of a stable suspension of the listener.
  • the soft, elastic inner wall also ensures the necessary absorption of the listener's vibrations.
  • the first plastic is a silicone material and the second plastic is a softer silicone material.
  • the first plastic is a silicone material and the second plastic is a softer silicone material.
  • the sound output tube may be formed as a pipe bend.
  • the spatial conditions in a hearing aid housing can be better taken into account.
  • the outer sheath does not extend over the entire length of the sound output tube. Thus, no vibrations from the listener to the housing of the hearing or vice versa transmitted by the relatively rigid outer sheath.
  • a BTE hearing aid with a receiver, a carrying hook, a connector for transmitting sound in the carrying hook and a sound outlet tube, as described above, which connects the output socket of the listener with the connecting piece acoustically provided.
  • the BTE hearing aid as it is generally required to be made even more compact, since the handset is on the one hand stable and on the other hand suspended vibration damping on the carrying hook or the hearing aid housing.
  • FIG. 2 illustrated handset 10 has a sound outlet nozzle 11. At this sound outlet nozzle 11 a sound output tube 12 is inserted.
  • This sound output tube 12 is designed arcuate and passes in its interior the sound of the handset 10 on to a connector 13.
  • the connector 13 is attached to the opposite end of the receiver 10 of the sound output tube 12.
  • the connecting piece 13 is substantially tubular and serves as an adapter. It has at one end a mounting part 131, with which it is fastened to the housing of the hearing device or the hearing aid housing. At its other end, the connecting piece 13 has a plug-in part 132, on which a carrying hook 7 is inserted.
  • the connector 13 may also be integrally connected to the respective housing of the hearing device and in particular be injected in one piece. In the case of an ITE hearing aid, the sound output tube 12 may also be directly connected to a sound output element of the hearing aid shell.
  • the sound output tube 12 is produced according to the invention in a 2-component injection molding process (over-mold technology). It consists essentially of two components: a hard outer shell 121 and a softer or more elastic inner wall 122. A longitudinal section through the sound exit tube 12 is in FIG. 3 shown. In the outer shell 121 so a soft inner wall 122 is injected or to the soft inner wall 122 is a harder outer shell 121 sprayed.
  • the sound output tube 112 On the inside of the sound output tube 112 has a sound channel 123. On the side of the earphone 10, this sound channel 123 is expanded to a cylindrical receptacle 124 so that the sound output tube 12 can be plugged onto the sound outlet nozzle 11 of the earphone 10.
  • the outer sheath 121 does not extend over the entire arc length of the inner wall 122 and the sound channel 123 including receptacle 124. Rather, both on the side of the listener 10 and on the side of the connector 13 is a tubular inner wall portion 125, 126 from the outer shell 121 forth.
  • the outer jacket 122 does not come into direct contact with the housing or sound outlet nozzle 11 of the receiver 10 or the connecting piece 13. This prevents as far as possible that vibrations are transmitted via the outer jacket 121.
  • the soft or elastic inner wall 122 dampens the vibrations in the desired manner.
  • the task of the outer shell 121 is merely to mechanically stabilize the inner wall 122 as much as possible. This can be prevented, for example, that the handset 10 strikes against a wall of a hearing aid housing when the hearing aid is dropped.
  • the protruding parts 125 and 126 are only necessary insofar as there is a risk that the rigid outer shell 121 comes into direct contact with one of the two connection components 10, 13. Finally, vibrations that the listener 10 itself generates are not transmitted to the outside of the hearing device housing or carrying hook. This ultimately leads to a reduction of feedback.
  • the inner wall 122 is made of a soft silicone and the outer wall 121 is made of a hard silicone.

Landscapes

  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Neurosurgery (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • General Health & Medical Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Signal Processing (AREA)
  • Manufacturing & Machinery (AREA)
  • Headphones And Earphones (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
  • Exhaust Silencers (AREA)
  • Telephone Set Structure (AREA)
EP08104432A 2007-06-20 2008-06-17 Petit tuyau de sortie acoustique doté d'une structure à 2 composants Not-in-force EP2007172B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102007028225A DE102007028225A1 (de) 2007-06-20 2007-06-20 Schallausgangsröhrchen mit 2-Komponenten-Aufbau

Publications (2)

Publication Number Publication Date
EP2007172A1 true EP2007172A1 (fr) 2008-12-24
EP2007172B1 EP2007172B1 (fr) 2010-08-04

Family

ID=39689417

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08104432A Not-in-force EP2007172B1 (fr) 2007-06-20 2008-06-17 Petit tuyau de sortie acoustique doté d'une structure à 2 composants

Country Status (5)

Country Link
US (1) US8103031B2 (fr)
EP (1) EP2007172B1 (fr)
AT (1) ATE476833T1 (fr)
DE (2) DE102007028225A1 (fr)
DK (1) DK2007172T3 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7174028B1 (en) * 2000-09-07 2007-02-06 Phonak Ag Method for manufacturing hearing aids, and a hearing aid
DE102010006469A1 (de) * 2010-02-01 2011-08-04 Siemens Medical Instruments Pte. Ltd. Leitvorrichtung für eine Höreinrichtung
US8737657B2 (en) * 2010-11-11 2014-05-27 Gn Resound A/S Suspension for a hearing device receiver, and a method of producing a hearing device, and a hearing device
CN103037271B (zh) * 2011-09-30 2016-08-17 苏州恒听电子有限公司 用于微型扬声器装置的传声管装置
DE102013203169A1 (de) * 2013-02-26 2013-11-07 Siemens Medical Instruments Pte. Ltd. Hörinstrument mit vibrationsgedämpft verbundenem Anbauteil sowie Herstellungsverfahren
US9247329B2 (en) * 2013-10-17 2016-01-26 Gn Resound A/S Suspension for a hearing device receiver
CN210958692U (zh) * 2020-02-25 2020-07-07 昆山众赢昌盛贸易有限公司 一种入耳式耳机

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8601513A (nl) 1986-06-11 1987-04-01 Philips Nv Hoorapparaat, met een instelbare positie voor een omzetter van het hoorapparaat.
WO2000047016A1 (fr) * 1999-02-02 2000-08-10 Beltone Electronics Corporation Enveloppe moulee pour prothese auditive
EP1492383A1 (fr) * 2000-09-07 2004-12-29 Phonak Ag Procédé pour produire un appareil auditif et appareil auditif

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2459259B2 (de) * 1973-12-21 1979-04-26 N.V. Philips' Gloeilampenfabrieken, Eindhoven (Niederlande) Ohrstück mit einer dünnwandigen biegsamen mit einem flüssigen Medium gefüllten Kapsel
US4870688A (en) * 1986-05-27 1989-09-26 Barry Voroba Mass production auditory canal hearing aid
GB9907050D0 (en) * 1999-03-26 1999-05-19 Sonomax Sft Inc System for fitting a hearing device in the ear
US7130437B2 (en) * 2000-06-29 2006-10-31 Beltone Electronics Corporation Compressible hearing aid
US20050249371A1 (en) * 2004-05-04 2005-11-10 Phonak Ag Hearing device designed to be worn behind the ear
WO2006125434A1 (fr) 2005-05-25 2006-11-30 Widex A/S Crochet pour une aide auditive

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8601513A (nl) 1986-06-11 1987-04-01 Philips Nv Hoorapparaat, met een instelbare positie voor een omzetter van het hoorapparaat.
WO2000047016A1 (fr) * 1999-02-02 2000-08-10 Beltone Electronics Corporation Enveloppe moulee pour prothese auditive
EP1492383A1 (fr) * 2000-09-07 2004-12-29 Phonak Ag Procédé pour produire un appareil auditif et appareil auditif

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
WPI/Thomson abstract *

Also Published As

Publication number Publication date
ATE476833T1 (de) 2010-08-15
DE102007028225A1 (de) 2009-01-02
DE502008001062D1 (de) 2010-09-16
US8103031B2 (en) 2012-01-24
EP2007172B1 (fr) 2010-08-04
US20080317272A1 (en) 2008-12-25
DK2007172T3 (da) 2010-11-29

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