EP1228666A2 - Hörgerät - Google Patents
HörgerätInfo
- Publication number
- EP1228666A2 EP1228666A2 EP99952208A EP99952208A EP1228666A2 EP 1228666 A2 EP1228666 A2 EP 1228666A2 EP 99952208 A EP99952208 A EP 99952208A EP 99952208 A EP99952208 A EP 99952208A EP 1228666 A2 EP1228666 A2 EP 1228666A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- hearing aid
- receiver
- hearing
- acoustic signals
- aid according
- 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
Links
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
- H04R25/652—Ear tips; Ear moulds
- H04R25/654—Ear wax retarders
-
- 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
- H04R2225/025—In the ear hearing aids [ITE] hearing aids
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2460/00—Details of hearing devices, i.e. of ear- or headphones covered by H04R1/10 or H04R5/033 but not provided for in any of their subgroups, or of hearing aids covered by H04R25/00 but not provided for in any of its subgroups
- H04R2460/11—Aspects relating to vents, e.g. shape, orientation, acoustic properties in ear tips of hearing devices to prevent occlusion
-
- 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 hearing aid according to the preamble of patent claim 1.
- Hearing aids are used to compensate for or compensate for a patient's hearing loss by processing acoustic signals recorded with a microphone and correspondingly amplifying or changing them via a receiver into the patient's auditory canal.
- a sound outlet opening is provided on the hearing aid, through which the acoustic signals generated by the listener are guided into the auditory canal.
- cerumen It has long been recognized that the sound outlet opening is often reduced or even completely blocked by excretions, so-called cerumen. In addition, these are spreading
- a hearing device is known from EP-0 377 074-A2, which has a receiver with two openings, a first leads a tubular channel from one opening of the earphone into the patient's auditory canal and a second tubular channel leads from the second opening of the earphone to the outward-facing side of the hearing aid - the so-called face plate.
- the interior of the receiver has a chamber connecting the two openings, which is delimited on one side by a movable membrane, the membrane being deflectable by an actuating unit for generating acoustic signals.
- two further chambers and openings are provided in the hearing device housing, by means of which a pressure difference between the auditory canal and the atmosphere generated by changes in height can be compensated for when the hearing device is inserted.
- pressure compensation devices are also referred to as “pressure vent” devices.
- deposits that may have become lodged in the receiver or in the channel to the hearing aid wearer's ear can be removed from the receiver and thus from the hearing aid by opening the opening in the face that is closed during operation Plate "is opened and a syringe or similar cleaning agent is pressed through the second channel, the receiver and finally the first channel. Any deposits that may be present are thereby washed out. After the cleaning process, the opening in the" Face Plate "is closed again so that - According to the known publication - no impermissible transfer function changes are obtained.
- the present invention is based on the object of specifying a hearing device which has a structure which is substantially simpler than that of the known hearing devices, but which is functionally in no way inferior to the known hearing devices.
- the invention has the following advantages: by using a receiver with two openings in the hearing aid, of which one opening is connected to the auditory canal of the hearing aid wearer via a channel and the other opening is connected to the outside world via a further channel easiest way, for example by blowing, can be cleaned.
- the channels also serve as a pressure compensation device, i.e. as a so-called “pressure vent”, without this resulting in an inadmissible change in the characteristic transmission function.
- the hearing device according to the invention has the advantage that, by appropriately selecting the dimensions of the further channel,
- Fig. 1 shows a hearing aid according to the invention inserted into an ear in a schematic representation
- Fig. 2 different frequency responses of hearing aids according to the invention.
- the hearing aid 1 shows a hearing device 1 according to the invention, consisting of a microphone, a signal processing unit 4, an energy storage unit 3 and a receiver 5 which has two openings 8 and 9.
- the hearing aid 1 shown is a so-called ITE (in-the-ear) hearing aid, i.e. the hearing aid is fitted into the outer auditory canal of the hearing aid wearer.
- ITE in-the-ear
- BTE far-the-ear
- the microphone 2 converts acoustic signals from the environment into electrical signals, which are applied to the signal processing unit 4, in accordance with the usual mode of operation of hearing aids.
- a corresponding signal processing ie amplification, is carried out in the signal processing unit 4.
- the electrical output signal of the signal processing unit 4 is subsequently applied to the listener 5, in which the electrical signals are converted into acoustic signals, which are finally passed through an opening 8, a tubular channel 6 and a first outlet 12 into the hearing aid wearer.
- the receiver 5 has a second opening 9, which is connected to the outside world via a tubular channel 7 and via a second outlet 11. Because in a preferred embodiment a continuous
- connection between the two outputs 11 and 12 the dimensions and the shape of the two channels 6 and 7 are to be selected such that the acoustic signals generated in the receiver 5 propagate mainly in the direction of the hearing aid wearer's hearing path.
- the continuous connection between the auditory canal and the outside world, including the listener 4, makes it easy to blow through, i.e. Clean the components carrying the acoustic signals.
- the continuous connection between the auditory canal and the outside world acts as a pressure balancer when the hearing aid is used, i.e. than the "pressure vent" device known and known per se - but not in this form.
- Hearing aid components ie receiver 5 and channels 6 and 7, are provided for pressing air or cleaning agents, for example with the aid of a syringe, through these hearing aid components in order to blow out any impurities present in them, ie to remove them from them.
- the original transmission characteristic, in which the hearing device fulfills the desired function in the best possible way, is thus established again.
- the further channel 7 is also used for the purpose of avoiding any reflections caused by unadjusted lines - i.e. due to channel 7 and other factors influencing the transmission (such as the shape of the ear canal).
- unadjusted lines consistently lead to resonances in the receiver 5, specifically in the area of the break point in the frequency response of the listener, going to higher frequencies. In this way, undamped and thus structurally simpler listeners can be used in the hearing device according to the invention.
- the acoustic signals do not enter the auditory canal at the exit 12, but a further element, often referred to as a hook element, is required, which finally guides the acoustic signals into the hearing aids wearer's auditory canal.
- a hook element is indicated and with the Reference number 10 is referenced. Due to the changed transmission properties compared to ITE hearing aids, the second channel 7 must be adapted accordingly, ie in the sense of the explanations made in connection with the line adaptation.
- the solid line shows the frequency response of a hearing aid 1, in which a channel 7 with a diameter of 2 mm is used.
- a frequency response is shown in broken lines, in which a channel 7 with a diameter of 0.5 mm is used.
- a variant is shown in which a diameter between 0.5 and 2 mm is selected for channel 7.
- the selected diameter for channel 7 is preferably in the specified range, the selection is in no way restricted by this information. Rather, restrictions result from the physical conditions, such as, for example, from an impending feedback of acoustic signals generated by the receiver 5 back into the microphone 2.
- the hearing aids according to the invention also have the advantages mentioned when the channels 6 and 7 are not tubular. Rather, it is conceivable to provide any means in such a way that - in the case of the channel 6 - acoustic signals generated in the receiver 5 from the one opening 8 of the receiver 5 into the auditory canal of the hearing aid wearer and that - in the case of the channel 7 - a connection is created from the second opening 9 of the receiver 5 to the outside world. In this case, according to the invention, there is no further connection between the auditory canal and the outside world, which makes it possible to have a simpler structure than the known hearing aids.
Abstract
Description
Claims
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/CH1999/000524 WO1999066779A2 (en) | 1999-11-08 | 1999-11-08 | Hearing device |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1228666A2 true EP1228666A2 (en) | 2002-08-07 |
EP1228666B1 EP1228666B1 (en) | 2003-07-09 |
Family
ID=4551730
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP99952208A Expired - Lifetime EP1228666B1 (en) | 1999-11-08 | 1999-11-08 | Hearing aid |
Country Status (7)
Country | Link |
---|---|
US (1) | US6744897B1 (en) |
EP (1) | EP1228666B1 (en) |
AU (1) | AU6457699A (en) |
CA (1) | CA2388321A1 (en) |
DE (1) | DE59906279D1 (en) |
DK (1) | DK1228666T3 (en) |
WO (1) | WO1999066779A2 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7751579B2 (en) | 2003-06-13 | 2010-07-06 | Etymotic Research, Inc. | Acoustically transparent debris barrier for audio transducers |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1438873A1 (en) * | 2001-10-17 | 2004-07-21 | Oticon A/S | Improved hearing aid |
WO2006101425A1 (en) * | 2005-03-23 | 2006-09-28 | Peter Stevrin | Ear shell with communication chip |
WO2007011806A2 (en) * | 2005-07-18 | 2007-01-25 | Soundquest, Inc. | Behind-the-ear auditory device |
US20070127757A2 (en) * | 2005-07-18 | 2007-06-07 | Soundquest, Inc. | Behind-The-Ear-Auditory Device |
US8144910B2 (en) * | 2007-11-14 | 2012-03-27 | Siemens Hearing Instruments, Inc. | Composite receiver tube for a hearing instrument |
EP2134107B1 (en) * | 2008-06-11 | 2013-09-25 | Sonion Nederland B.V. | Method of operating a hearing instrument with improved venting |
DK2166779T3 (en) * | 2008-09-18 | 2019-08-26 | Sonion Nederland Bv | Audio output apparatus comprising multiple sounders and a common output channel |
US20140224283A1 (en) * | 2013-02-08 | 2014-08-14 | Clearaid, Inc. | Protecting and purging hearing aid devices |
US11246755B2 (en) | 2017-11-17 | 2022-02-15 | Microsonic, Inc. | Sound attenuation earplug system and method of manufacture |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3368644A (en) * | 1966-03-28 | 1968-02-13 | John D. Henderson | Hearing aid tone tuning device and method |
US4867267A (en) * | 1987-10-14 | 1989-09-19 | Industrial Research Products, Inc. | Hearing aid transducer |
US4800982A (en) * | 1987-10-14 | 1989-01-31 | Industrial Research Products, Inc. | Cleanable in-the-ear electroacoustic transducer |
DE3927797A1 (en) * | 1989-08-23 | 1991-02-28 | Toepholm & Westermann | IN-EAR HEARING DEVICE WITH SOUND COMPENSATION CHANNEL |
FR2657716B1 (en) * | 1990-02-01 | 1995-07-13 | Leher Francois | SOUND TRANSMISSION DEVICE WITH SELECTIVE FILTERING, INTENDED TO BE PLACED IN THE EXTERNAL AUDITIVE DUCT. |
DE4010372A1 (en) * | 1990-03-30 | 1991-10-02 | Siemens Ag | Hearing aid with in-ear insert - has ventilation channel with own transducer actively cancelling sound output |
DE4327634C1 (en) * | 1993-08-17 | 1994-06-30 | Siemens Audiologische Technik | Behind-the-ear hearing aid |
ITGE940067A1 (en) * | 1994-05-27 | 1995-11-27 | Ernes S R L | END HEARING HEARING PROSTHESIS. |
-
1999
- 1999-11-08 EP EP99952208A patent/EP1228666B1/en not_active Expired - Lifetime
- 1999-11-08 CA CA002388321A patent/CA2388321A1/en not_active Abandoned
- 1999-11-08 AU AU64576/99A patent/AU6457699A/en not_active Abandoned
- 1999-11-08 DK DK99952208T patent/DK1228666T3/en active
- 1999-11-08 WO PCT/CH1999/000524 patent/WO1999066779A2/en active IP Right Grant
- 1999-11-08 DE DE59906279T patent/DE59906279D1/en not_active Expired - Lifetime
- 1999-11-23 US US09/448,362 patent/US6744897B1/en not_active Expired - Fee Related
Non-Patent Citations (1)
Title |
---|
See references of WO9966779A2 * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7751579B2 (en) | 2003-06-13 | 2010-07-06 | Etymotic Research, Inc. | Acoustically transparent debris barrier for audio transducers |
Also Published As
Publication number | Publication date |
---|---|
US6744897B1 (en) | 2004-06-01 |
WO1999066779A3 (en) | 2000-12-28 |
EP1228666B1 (en) | 2003-07-09 |
AU6457699A (en) | 2000-01-10 |
CA2388321A1 (en) | 1999-12-29 |
DE59906279D1 (en) | 2003-08-14 |
WO1999066779A2 (en) | 1999-12-29 |
DK1228666T3 (en) | 2003-10-13 |
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