EP2257079B1 - Dispositif récepteur sans fil de signaux audio pour appareil auditif - Google Patents

Dispositif récepteur sans fil de signaux audio pour appareil auditif Download PDF

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Publication number
EP2257079B1
EP2257079B1 EP10177384A EP10177384A EP2257079B1 EP 2257079 B1 EP2257079 B1 EP 2257079B1 EP 10177384 A EP10177384 A EP 10177384A EP 10177384 A EP10177384 A EP 10177384A EP 2257079 B1 EP2257079 B1 EP 2257079B1
Authority
EP
European Patent Office
Prior art keywords
antenna
receiver device
housing
signal processing
processing unit
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
EP10177384A
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German (de)
English (en)
Other versions
EP2257079A1 (fr
Inventor
Rainer Platz
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.)
Sonova Holding AG
Original Assignee
Phonak AG
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Filing date
Publication date
Application filed by Phonak AG filed Critical Phonak AG
Priority to DK10177384.4T priority Critical patent/DK2257079T3/da
Publication of EP2257079A1 publication Critical patent/EP2257079A1/fr
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Publication of EP2257079B1 publication Critical patent/EP2257079B1/fr
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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q7/00—Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/27—Adaptation for use in or on movable bodies
    • H01Q1/273—Adaptation for carrying or wearing by persons or animals
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
    • H01Q1/38—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith formed by a conductive layer on an insulating support
    • 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
    • H04R25/55—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception using an external connection, either wireless or wired
    • H04R25/554—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception using an external connection, either wireless or wired using a wireless connection, e.g. between microphone and amplifier or using Tcoils
    • 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
    • H04R2225/51—Aspects of antennas or their circuitry in or for 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
    • H04R25/00—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception
    • H04R25/55—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception using an external connection, either wireless or wired
    • H04R25/556—External connectors, e.g. plugs or modules

Definitions

  • the present invention relates to a wireless receiver device for wirelessly receiving audio signals from a remote source, which is capable of supplying such audio signal to a hearing instrument.
  • a receiver device for receiving audio signals from a remote source, for example a remote microphone, via a wireless link (usually an FM link) in order to provide such audio signals as input signals to a hearing instrument worn at a user's ear.
  • the receiver device has an output interface which is capable of being mechanically connected to an input interface of the hearing instrument via a so-called "audio shoe".
  • the audio shoe is mechanically connected to the input interface of the hearing aid and comprises typically a standardized 3-pin socket for receiving three mating pins of the output interface of the receiver device, which pins typically are arranged in a line.
  • the orientation of the three pins in the audio shoe with respect to the hearing instrument i.e.
  • the sensitivity of the antenna of the receiver device depends on the relative orientation to the user's head, with the optimum orientation of the antenna being given if the loop surface is perpendicular to the direction of the user's nose. If the receiver device is turned by 90°, the loss in sensitivity is typically of the order of 6 dB.
  • a presently used solution to this problem is to provide for a mechanical construction which allows to orient the receiver device in the optimum direction for all types of hearing instruments, wherein the connector, i.e. the mechanical components of the output interface of the receiver unit (i.e. the three pins), is rotatable with respect to the housing of the receiver device, so that prior to plugging the receiver unit into the audio shoe the connector can be rotated in an appropriate manner so as to adapt the orientation of the receiver device to the specific type of audio shoe / hearing instrument.
  • the connector i.e. the mechanical components of the output interface of the receiver unit (i.e. the three pins)
  • a drawback of this solution is that a rotatable connector results in larger dimensions of the receiver device, given by the space required to design and implement a reliable and stable mechanical solution for the connector rotation.
  • the electrical connections between the connector and the electronic module of the receiver device need to be flexible in order to allow the rotation of the connector with respect to the electronic module, which results in additional complexity, e.g. soldered wires, and again larger geometrical dimensions.
  • a further drawback is the need to instruct the user regarding how to manipulate the receiver device, i.e. how to rotate the connector, on all sorts and types of combinations of hearing instruments and audio shoes.
  • EP 1 531 649 A2 describes a wireless hearing aid system with a magnetic loop antenna on a flex print, wherein at least a portion of the matching network is affixed to the flexible dielectric substrate carrying the antenna.
  • the antenna may be attached to the inner or outer surface of the shell of the hearing aid, with the shape of the loop antenna being matched to the irregular shape of the hearing aid shell.
  • DE 10 2004 017 832 B3 relates to a hearing aid having a housing into which an antenna is integrated as an electrically conducting layer in order to reduce the size of the hearing aid.
  • the antenna may be L-shaped as a metal layer applied to the hearing aid housing, the antenna may be applied as a pre-shaped foil element onto the hearing aid housing, the antenna may be produced by structuring a metal layer of the hearing aid housing or the antenna may be fabricated as a conducting plastics layer during injection moulding of the hearing aid housing.
  • EP 1 376 760 A2 relates to a folded dipole antenna for transmitting and receiving radio signals in all types of telecommunication systems, in particular for use in base stations of mobile telephone networks.
  • the antenna consists of three portions, namely a central portion fixed to a ground plate, a left portion and a right portion which are angled by 45° to the central portion in such a manner that they form an angle of 90° relative to each other.
  • EP 1 594 187 A1 relates to a folded laminar antenna which is designed as a slot-loop antenna with a loop-like slot between conducting portions.
  • the antenna consists of three portions, namely a central portion, a right portion and a left portion, with the right and left portions being folded by about 180° onto the central portion.
  • the antenna comprises a layer of electrically conductive material which is provided on a dielectric substrate layer.
  • the antenna may be used in portable wireless devices such as mobile telephones and personal digital assistants.
  • DE 10 2004 016 573 B3 relates to a binaural In-the-ear (ITE) hearing aid system wherein each of the two hearing aids has an antenna for wireless communication with the other hearing aid and wherein the antenna is oriented at a certain angle with respect to the housing in order to ensure that the two antennas are aligned when the hearing aids are worn by the user.
  • ITE In-the-ear
  • DE 3 742 877 A1 relates to an FM receiver for a hearing aid, which is connected to the hearing aid an audio shoe.
  • This solution is beneficial in that, by forming a printed board circuit antenna and at least a portion of the signal processing unit as an integral electronic unit on a common printed circuit board comprising an at least partially flexible insulating substrate which is capable of being partially folded for mounting the printed circuit board into the housing, manufacturing of the receiver device is made particularly simple, since the antenna and at least a portion of the signal processing unit can be processed as an integral electronic unit, while, due to the foldability of the substrate, nevertheless a compact design can be achieved.
  • Fig. 1 shows a block diagram of a receiver device 10 capable of wirelessly receiving audio signals from a remote source 12, which is connected via an audio shoe 14 to a hearing instrument 16 which may be a behind-the-ear (BTE) hearing aid which is worn at the user's ear.
  • the remote audio signal source typically may be a transmitter unit comprising a microphone which is worn by a teacher in a classroom for teaching hearing-impaired pupils.
  • the receiver device 10 comprises a housing 18, a magnetic loop-antenna 20 for receiving radio-frequency signals carrying audio-signals from the remote source 12 via a radio-frequency link 22, a signal processing unit 21 for reproducing audio signals from the radio frequency signals received by the antenna 20, and an output interface 24 which is capable of being mechanically connected to an input interface 26 of the hearing instrument 16 via the audio shoe 14 which comprises an input interface 25 mating with the output interface 24.
  • the signal processing unit 21 comprises a high frequency (HF) unit 29 connected to the antenna 20, a demodulator 30 for demodulating the frequency-modulated (FM) signal received by the antenna 20 and processed by the HF-unit 29, and a pre-amplifier 32 for pre-amplifying the demodulated audio signal prior to being passed to the output interface 24.
  • HF high frequency
  • the HF-unit 29 usually comprises a matching network for the antenna 20, an low-noise amplifier, an RF-amplifier, a frequency synthesiser and a mixer in order to convert the HF-signal received by the antenna 20 down an intermediate frequency.
  • the architecture of the receiver device described so far is conventional FM receiver architecture.
  • the hearing instrument 16 comprises at least one microphone 34, a signal processing unit 36, an output transducer 38 (e.g. a loudspeaker) for stimulating the user's hearing, and a housing 40 and a battery 42 which typically also serves to power the receiver device via the audio shoe 14.
  • the hearing instrument 16 usually will have two different modes of operation: a first mode in which only the input audio signal received from the receiver device 10 is reproduced by the output transducer 38 (usually labelled "FM" mode) and a second mode in which a combination of the signal of the microphone 34 and the input signal provided by the receiver device 10 is reproduced by the output transducer 38 (usually labelled "FM+M” mode).
  • Fig. 2 is a block diagram of a hearing instrument 50, for example, a BTE hearing aid, which is capable of receiving audio signals form a remote source 12 via an FM link 22.
  • a magnetic loop antenna unit 20 and a first signal processing unit 21 comprising a HF-unit 29, a demodulator 30 and a preamplifier 32 are integrated within the housing 52 of the hearing instrument 50.
  • the system of Fig. 2 is functionally equivalent to the system shown in Fig. 1 in that audio signals from the remote source 12 can be provided to the user wearing the hearing instrument via the output transducer 38, with the functional components of the receiver device 10 of Fig 1 being mechanically integrated within the hearing instrument 50.
  • the antenna 20 is part of an assembly 54 comprising a printed circuit board 53 which comprises an insulating substrate which is flexible such that it is capable of being bent by at least 90°.
  • the insulating substrate may comprise rigid portions which are connected by flexible portions, i.e. in this case the substrate is only partially flexible.
  • the assembly 54 comprises a loop-like conductor 56 on the insulating substrate, which forms two turns in order to form a magnetic loop antenna (however, also one turn may be already sufficient or three turns may be needed to achieve the optimum impedance).
  • the area surrounded by the conductor turns should be as large as possible.
  • the antenna 20 needs to have low resistance, which may be achieved by metalizing all layers of the print (or at least the uppermost layer and the lowermost layer (for a single layer print)) and realizing a conductive connection therebetween through an appropriate number of metalized via holes.
  • the assembly 54 includes other electronic components 57 (ICs and passive components) forming at least part, preferably all, of the signal processing unit.
  • the assembly will include at least the components of the HF-unit 29.
  • Some of such electronic components 57 may be formed directly on the substrate as conductor layers while others may be mounted as separate components on the substrate.
  • the electronic components 57 formed directly on the substrate may be formed in the same processing step as the antenna 20, whereas the separate components will be mounted thereafter.
  • the assembly 54 serves as an integral electronic unit, i.e. as an electronic module.
  • Fig. 3 the assembly 54 is shown in a planar condition after manufacturing.
  • the antenna 20 comprises a first portion 58 and a second portion 60 which are connected by an intermediate portion 62 which allows the first and second portion 58, 60 to be folded with respect to each other so that they form an angle of, e.g. 90°, with the intermediate portion 62 being bent.
  • the intermediate portion 62 may be of the same material as the first and second portion 58, 60 (if these are made of sufficiently flexible material) or it may be of a more flexible material of the substrate.
  • the assembly 54 comprises other portions 59, carrying electronic components 57, which are foldable be about 90 degrees or 180 degrees relative to a central portion in order to minimize the space required by the assembly 54.
  • Such folded configuration is shown in Fig. 4 .
  • the intermediate portion 62 will be relatively small, for example, less than 20% of the area of the antenna unit 20.
  • the first and second portion 58, 60 of the antenna will have essentially the same area and preferably will be essentially symmetrical with respect to each other.
  • the assembly 54 will be mounted in the housing 64 in such a manner that the first portion 58 is adjacent to and aligned to a first wall 66 of the housing 64 and that the second portion 60 is adjacent to and aligned to a second wall 68 of the housing 64, whereby a particularly compact design resulting in a small volume can be achieved.
  • a further benefit consists in the fact that due to the angled configuration of the antenna 20 it is ensured that one half of the antenna is always directed into the optimum orientation with respect to the user's head (antenna plane usually perpendicular to the user's nose), whatever the orientation of the pins/socket of the audio shoe 14 relative to the housing 40 of the hearing instrument 16 may be.
  • the antenna 20 is electrically connected to the respective signal processing unit 21 comprising the pre-amplifier 32 prior to mounting to the antenna 20 and the signal processing unit 21 within the housing 64, so that the antenna 20 with the HF-unit 29 and the pre-amplifier 32 can be trimmed prior to being mounted in the housing 64 (i.e. the resonant radio frequency circuits will be tuned in order to account for parasitic capacitances and inductances).
  • FIG. 5 another example of a flexprint antenna assembly 54 is shown in its folded state prior to being mounted within the housing, which includes a switch 72 for manually switching between the operation modes FM and FM+M of the hearing instrument 16 connected to receiver device 10.
  • Fig. 6 the folded flexprint assembly 54 of Fig. 5 (however, the conductor loops 56 of the antenna 20 have been omitted in Fig. 6 ) is shown together with a housing 64 and a plug member 74.
  • the plug member 74 comprises three pins 76A, 76B, 76C which form the output interface 24 of the receiver unit 10 and which are arranged in a line so that they define a central symmetry plane of the output interface 24 (however, the pins 76A and 76C are of different diameters in order to ensure the plug member 74 can be connected to the audio shoe 14 only in the correct orientation -and not in an orientation rotated by 180 degrees with respect to the correct orientation).
  • the plug member 74 also comprises a carrier unit 70 for receiving the folded assembly 54.
  • the folded assembly 54 with the carrier unit is fixed at the carrier unit 70 of the plug member 74.
  • the flexprint assembly 54 comprises contacts 75 which engage with the inner ends of the pins 76A, 76B, 76C upon when the assembly 54 is connected to the plug member 74.
  • the folded assembly 54 fixed at the plug member 74 is mounted within the housing 64. To this end the plug member 74 is fixed to the housing 64 by two rods 77, with the plug member 74 forming the cover plate of the housing 64.
  • a receiver unit 10 comprising a housing 18 is connected via an audio shoe 14 to a hearing instrument 16, with the switch 72 projecting through the housing 18 for being operated by the user.
  • first portion 58 and the second portion 60 of the antenna 20 are shown in Figs. 4 and 5 as being planar, this need not be necessarily so.
  • the walls of the housing in which the antenna 20 is to be mounted have a rounded shape
  • the first portion 58 and the second portion 60 of the antenna 20 may have a correspondingly rounded shape.
  • the angle between the first and second portion of the antenna in the folded state may be determined by the angle between the respective tangential planes at the two opposite ends of the antenna (for example, if the antenna is bent in an "arch-like" manner in order to conform the shape of the antenna to a cylindrically shaped housing wherein the tangential planes at the two opposite ends of the bent antenna would form an angle of 90°, then the actual folding angle is 90°).
  • Fig. 8 shows an example of a housing 80 (only partially illustrated in the drawing) to be used for the receiver device 10 or for the hearing instrument 50 which capable of receiving audio signals from the remote source 12, into which housing 80 a magnetic loop antenna 20 has been integrated.
  • the antenna 20 comprises a loop-like conductor 56, with the conductor 56 being integrated into the walls of the housing 80.
  • the conductor 56 is integrated into a first wall portion 82 and a second wall portion 84, which are arranged at an angle of, for example, about 90° relative to each other.
  • the antenna 20 is formed in such a manner that one half of the antenna is integrated into the first wall portion 82 while the second half of the antenna is integrated into the second wall portion 84, so that the two halves of the antenna, i.e. the first portion 58 of the antenna is oriented at an angle of about 90° relative to the second portion 60 of the antenna.
  • the conductor 56 may be formed, for example, by one of the following methods within the housing 80 which is made of plastic material:
  • the housing is shaped first (for example, by injection moulding) and subsequently the conductor 56 is formed by modifying the surface of the housing 80.
  • a plastic material for the housing 82 which is capable of being made conductive by laser activation, wherein the conductor 56 is created by laser activation of the respective surface portion of the plastic material of the housing 80, followed by electroplating of the laser activated surface portion in order to thicken the laser activated surface portion.
  • the conductor 56 may be created by metal deposition from a metal evaporation source through a shadow mask onto a surface portion of the plastic material of the housing 80.
  • the conductor 56 is created by coating at last a portion of the surface of the housing 80 with a metal layer, followed by selectively structuring the metal layer into the desired shape of the conductor 56, preferably by selectively removing the metal layer.
  • the antenna structure i.e. the conductor 56
  • the antenna structure may be integrated into the housing 80 during shaping of the housing. This can be done, for example, by shaping the housing by injection moulding in a moulding tool, wherein the conductor is inserted into the moulding tool and is over-moulded in the moulding tool.
  • MID moulded interconnect device
  • Fig. 9 is a schematic view of a receiver device 10 comprising an angled antenna 20 and of a receiver device 110 comprising a non-angled antenna 120, respectively, when used with four different types of audio shoes.
  • Fig. 9 the respective orientation of the antenna 20, 120 with respect to the direction 94 of the user's nose 96 is shown, with the direction 94 extending between the ears 98 through the nose tip.
  • the receiver device 10 comprises an essentially rectangular housing 18 with a plug member comprising three pins 76A, 76B and 76C which are arranged in a line, thereby defining a central symmetry plane 90 of the output interface of the receiver device 10.
  • the angled antenna 20 is of the type shown in Figs. 4 and 5 , i.e. it comprises a first portion 58 which is angled by 90° relative to a second portion 60. In a first orientation labelled "A" in Fig.
  • the receiver unit 10 is used with a hearing instrument having an audio shoe of a first type which is oriented such that, when the receiver device 10 has been connected to the audio shoe and the hearing instrument is worn at the user's ear 98, the central plane 90 of the output interface of the receiver device 10 is perpendicular to the direction 94 of the user's nose 96.
  • the first portion 58 of the antenna 20 likewise is oriented perpendicular to the direction 94 of the user's nose 96 so that the first portion 58 has an optimum orientation with respect to the user's head anatomy, while the second portion 60 has the least preferred orientation.
  • the antenna 20 thus will have medium sensitivity.
  • the receiver device 10 is used with a different type of hearing instrument/audio shoe so that, when the receiver device 10 has been connected to the audio shoe and the hearing instrument is worn at the user's ear 98 the receiver device 10 has been rotated by 90° in the counter-clockwise direction compared to configuration A, so that the central symmetry plane 90 of the output interface now is parallel to the direction 94 of the user's nose 96.
  • the second portion 60 of the antenna 20 has the optimum orientation with respect to the direction 94 of the user's nose 96 while the first portion 58 now has the least preferred orientation. In total, however, the antenna performance thus is the same as in configuration A.
  • the type of hearing instrument/audio shoe is such that the receiver device 10 has been rotated by 90° in the counter-clockwise direction compared to configuration B so that the central symmetry plane 90 now has the same orientation as in configuration A. Due to the 90° bent shape of the antenna 20, the performance of the antenna 20 is the same as in configurations A and B.
  • the type of hearing instrument/audio shoe is such that the receiver device 10 has been rotated by 90° in the counter-clockwise direction compared to configuration C so that the central symmetry plane 90 now has the same orientation as in configuration B. Due to the 90° bent shape of the antenna 20, the performance of the antenna 20 is the same as in configurations A, B and C.
  • the performance of the antenna 20 is substantially independent of the specific type of hearing instrument/audio shoe with which the receiver device 10 is used.
  • An alternative embodiment in order to achieve such independence of antenna performance from the type of audio shoe, which embodiment, however, does not form part of the present invention, is to use an antenna 120 which is either planar, thereby defining an antenna plane 92, or has an axial symmetry, thereby defining an antenna direction 92, wherein the antenna plane 92 or the antenna direction 92, respectively, is oriented at an angle of 30 to 60°, preferably from 40 to 50°, with respect to the central symmetry plane 90 of the output interface.
  • the antenna 120 is planar, it is preferably a magnetic loop antenna, whereas if it has an axial symmetry, it is preferably a ferrite antenna or an air coil antenna.
  • the angle between the antenna direction 92 and the symmetry plane 90 of the output interface is about 45° as shown in Fig. 9 .
  • the angle between the antenna direction 92 and the central symmetry plane 94 is 45°, resulting in medium performance of the antenna 120 compared to an orientation in which the antenna plane 92 or the antenna direction 92 would be perpendicular to the direction 94 of the user's nose 96.
  • the antenna direction 92 likewise has been rotated in the counter-clockwise direction by 90°.
  • the angle between the direction 94 of the user's nose 96 and the antenna direction 92 still is 45°. Consequently, the antenna performance will remain the same as in configuration A
  • the antenna performance is essentially independent of the specific type of hearing instrument/audio shoe with which the receiver device 110 is used.
  • the housing 18 shown in Fig. 9 which corresponds to the housing 64 of Fig. 6 , has a fourfold rotational symmetry with respect to an axial symmetry axis and comprises two walls which are parallel to the central symmetry plane 90 of the output interface and two walls which are perpendicular to the central symmetry plane 90.
  • the receiver device 110 may have the same architecture as the examples of the receiver device described so far.
  • FIG. 9 Also shown in Fig. 9 is a schematic example of the input interface 25 of the audio shoe 14, which comprises three pin sockets 79A, 79B, 79C for receiving the pins 76A, 76B and 76C, respectively, which sockets are arranged in a line and thereby define a central symmetry plane 93 of the input interface 25.
  • the input interface 25 shown in Fig. 9 is an example of an audio shoe of the type resulting in the configuration "A" of the receiver devices 10, 110 of Fig. 9 .

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Neurosurgery (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Structure Of Receivers (AREA)
  • Details Of Aerials (AREA)
  • Support Of Aerials (AREA)

Claims (7)

  1. Dispositif de réception (10) destiné à recevoir des signaux audio à partir d'une source distante (12), comprenant : une antenne boucle magnétique (20) pour recevoir des signaux de fréquence radio transportant des signaux audio, une unité de traitement de signal (21) pour reproduire des signaux audio à partir des signaux de fréquence radio reçus par l'antenne, une interface de sortie (24) qui peut être reliée mécaniquement à une interface d'entrée (26) d'un instrument auditif (16) devant être porté à l'oreille par un utilisateur afin de fournir les signaux audio de l'unité de traitement de signal comme une entrée à l'instrument auditif, et un boîtier (18, 64) renfermant l'antenne et l'unité de traitement de signal, où l'antenne et au moins une partie de l'unité de traitement de signal sont formées comme une unité électronique monobloc (54) sur une carte de circuit imprimé (53) commune comprenant un substrat isolant au moins partiellement flexible qui peut être partiellement plié pour monter la carte de circuit imprimé dans le boîtier, où ladite partie de l'unité de traitement de signal comprend au moins une unité (29) à haute fréquence (HF) recevant des signaux HF à partir de l'antenne et fournissant des signaux à fréquences intermédiaires à un démodulateur (30) de l'unité de traitement de signal et où l'antenne est conçue comme une carte de circuit imprimé avec un conducteur (56) semblable à une boucle sur le substrat isolant.
  2. Dispositif de réception de la revendication 1, où ladite partie de l'unité de traitement de signal (21) comprend en plus ledit démodulateur (30).
  3. Dispositif de réception de la revendication 2, où ladite partie de l'unité de traitement de signal (21) comprend en plus un préamplificateur (32).
  4. Dispositif de réception de l'une des revendications 1 à 3, où ladite interface de sortie (24, 74, 76A, 76B. 76C) est formée par un élément de prise (74) comportant des broches (76A, 76B. 76C), et où la carte de circuit imprimé peut être reliée, en étant dans l'état plié, à l'élément de prise avant d'être montée dans le boîtier.
  5. Dispositif de réception de la revendication 4, où ladite unité électronique intégrale (54) comprend des contacts (75) pour l'interface de sortie qui peuvent s'engager avec les extrémités intérieures des broches (76A, 76B, 76C) au moment de l'assemblage de l'unité électronique intégrale à l'élément de prise (74).
  6. Procédé de fabrication du dispositif de réception de la revendication 1, où ladite carte de circuit imprimé (53) est fabriquée de façon à inclure le conducteur (56) semblable à une boucle de l'antenne (20), les composants électriques de l'unité électronique monobloc (54) sont montés sur la carte de circuit imprimé, la carte de circuit imprimé est placée dans l'état plié, et la carte de circuit imprimé est montée, dans l'état plié, dans le boîtier (64).
  7. Procédé de la revendication 6, où la carte de circuit imprimé (53) est montée, dans l'état plié, à une unité de support (70) d'un élément de prise (74) formant l'interface de sortie (24) avant d'être montée avec l'élément de prise dans le boîtier (64).
EP10177384A 2006-03-30 2006-03-30 Dispositif récepteur sans fil de signaux audio pour appareil auditif Active EP2257079B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DK10177384.4T DK2257079T3 (da) 2006-03-30 2006-03-30 Trådløst audiosignalmodtageapparat til et høreapparat

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP06006778A EP1681903A3 (fr) 2006-03-30 2006-03-30 Dispositif récepteur sans fils de signaux audio pour appareil auditif

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
EP06006778.2 Division 2006-03-30

Publications (2)

Publication Number Publication Date
EP2257079A1 EP2257079A1 (fr) 2010-12-01
EP2257079B1 true EP2257079B1 (fr) 2012-01-04

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Family Applications (3)

Application Number Title Priority Date Filing Date
EP06006778A Ceased EP1681903A3 (fr) 2006-03-30 2006-03-30 Dispositif récepteur sans fils de signaux audio pour appareil auditif
EP10177385A Not-in-force EP2257080B1 (fr) 2006-03-30 2006-03-30 Dispositif récepteur sans fil de signaux audio pour appareil auditif
EP10177384A Active EP2257079B1 (fr) 2006-03-30 2006-03-30 Dispositif récepteur sans fil de signaux audio pour appareil auditif

Family Applications Before (2)

Application Number Title Priority Date Filing Date
EP06006778A Ceased EP1681903A3 (fr) 2006-03-30 2006-03-30 Dispositif récepteur sans fils de signaux audio pour appareil auditif
EP10177385A Not-in-force EP2257080B1 (fr) 2006-03-30 2006-03-30 Dispositif récepteur sans fil de signaux audio pour appareil auditif

Country Status (4)

Country Link
EP (3) EP1681903A3 (fr)
CN (2) CN101416531B (fr)
DK (2) DK2257080T3 (fr)
WO (1) WO2007112838A1 (fr)

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Also Published As

Publication number Publication date
EP1681903A2 (fr) 2006-07-19
EP2257079A1 (fr) 2010-12-01
CN101416531A (zh) 2009-04-22
DK2257079T3 (da) 2012-03-26
CN103259075A (zh) 2013-08-21
WO2007112838A1 (fr) 2007-10-11
EP2257080B1 (fr) 2012-01-18
DK2257080T3 (da) 2012-04-10
EP1681903A3 (fr) 2007-03-28
EP2257080A1 (fr) 2010-12-01
CN101416531B (zh) 2013-05-01

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