EP1368991A2 - Procede permettant d'etablir une liaison de communication binaurale et dispositifs auditifs binauraux - Google Patents

Procede permettant d'etablir une liaison de communication binaurale et dispositifs auditifs binauraux

Info

Publication number
EP1368991A2
EP1368991A2 EP02750507A EP02750507A EP1368991A2 EP 1368991 A2 EP1368991 A2 EP 1368991A2 EP 02750507 A EP02750507 A EP 02750507A EP 02750507 A EP02750507 A EP 02750507A EP 1368991 A2 EP1368991 A2 EP 1368991A2
Authority
EP
European Patent Office
Prior art keywords
hearing devices
hearing
wire
establishing
devices
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
EP02750507A
Other languages
German (de)
English (en)
Other versions
EP1368991B1 (fr
Inventor
Andreas Jakob
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
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 Phonak AG filed Critical Phonak AG
Publication of EP1368991A2 publication Critical patent/EP1368991A2/fr
Application granted granted Critical
Publication of EP1368991B1 publication Critical patent/EP1368991B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • H04R25/55—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
    • H04R25/552—Binaural
    • 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
    • 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
    • H04R25/558—Remote control, e.g. of amplification, frequency
    • 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
    • H04R25/70—Adaptation of deaf aid to hearing loss, e.g. initial electronic fitting

Definitions

  • the present invention is directed on linking a pair of hearing devices to form a set of binaural hearing devices.
  • Such hearing devices may be therapeutic hearing aid devices for hearing impaired persons or may be hearing devices just for improving human hearing or for allowing listening to electronically converted audio signals as e.g. for telephone ear-sets, ear-sets in airplanes or even noise protection hearing devices, thereby possibly for active noise cancellation.
  • BESTATIGUNGSKOPIE are therefore not suited for binaural communication between hearing devices as here a real-time signal processing is important .
  • the individual body with the respective body impedance is exploited as one of the said conductors so that there remains, in minimum, a single wire connection to be established between the hearing devices.
  • a single wire connection may very easily be handled and plugged in at the respective hearing devices by the individual.
  • signals received by wireless communication at such a unit are converted into signals which are transmitted via the said comr ⁇ unication link with body-conductor to the hearing devices and/or by such an electronic unit signals received from the said two hearing devices by the said communication link with body-conductor are converted into wirelessly transmitted signals.
  • an electronic unit operates as a wireless receiver- /transmit-unit to a remote transmitter-/receiver-unit by wireless communication for control signal transmission and/or for audio signal transmission.
  • Such an electronic unit may be any RF-link as e.g. a Blue-tooth unit.
  • the said receiver-/transmitter unit may be applied, in one embodiment to one of the hearing devices which is operated as a master device, the second hearing device as a slave. In an other more preferred embodiment, the receiver- /transmitter unit is provided between the two hearing devices, which are thus operated on equal level of control.
  • the advantage of having only one wire to be connected either directly between the hearing devices or from the respective hearing devices to an interconnected electronic unit is exploited by realising connection of the wire to the hearing devices and/or to such electronic unit by a magnetic attraction.
  • the wire with a respective magnetic plug at one or at both of its ends may just be brought adjacent to the respective plug area at the hearing device or at the electronic unit. Connection will be practically automatically installed by that wire end being magnetically pulled onto said plug area at the respective device.
  • said at least one wire is applied to at least one of the hearing devices and/or the electronic unit - mechanically - by magnetic attraction and - electrically - via a dielectric layer.
  • a capacitive coupling is realised.
  • a conductive capacitance plate as e.g. of metal is established, thereby completing a capacitor structure. It is also possible to provide on both sides namely on the side of the hearing device or of the electronic unit, if provided, as well as on the side of the wire a dielectric layer.
  • connection of the wire to at least one of the hearing devices and/or to the electronic unit is established by magnetic attraction
  • this magnetic attraction is additionally exploited to provide for self-positioning of the wire's contact area to the hearing device and/or to the unit.
  • an electronic unit interconnected and communicating with the said two hearing devices by the communication link according to the present invention has preferably a body contact electrode.
  • Such body contact electrode may be conductive, preferably at lest one of metallic and of a conductive polymer, or may be capacitive.
  • the two hearing devices are in-the-ear or outside-the-ear hearing devices, and/or are hearing aid devices for therapeutic appliances.
  • the wire connection and, if provided, also an electronic unit to be interconnected between the hearing devices is integrated within a head-worn assembly, thereby preferably within glasses for the individual.
  • a head-worn assembly By such assembly, especially by glasses an accurate positioning of the wire connection is established without being even visually recognisable for other persons.
  • electric contact from the glasses-integrated wire may be established just by putting on the glasses.
  • An interconnected electronic unit even for wireless communication with a remote transmitter- /receiver unit may also be integrated into the glasses with a respective transmission aerial.
  • Fig. 1 schematically,; the principle of the method of establishing a binaural communication link between hearing devices according to the present invention and, accordingly, of a binaural hearing device set according to the present invention;
  • Fig. 2 schematically and simplified, a set of binaural hearing devices according to a preferred form of the present invention and operating according to the method of the present invention, thereby establishing bidirectional audio signal and/or control signal communication;
  • Fig. 3 in a representation form in analogy to that of fig. 2 a set of binaural hearing devices according to the present invention and operating according to the method of the present invention, whereat one of the hearing devices is operated as a master device, the other as a slave;
  • Fig. 4 in a simplified representation of a preferred plugging system for establishing to a wire part of the binaural communication link according to the present invention electric contact by magnetic attraction to a counterpart;
  • FIG. 5 in a representation according to that of fig. 4 a further preferred plugging system
  • Fig. 6 in a schematic form a further preferred wire- contacting and/or body-contacting arrangement applied for establishing the communication link according to the present invention
  • Fig. 7 glasses with integrated communication link according to the present invention.
  • fig. 1 there is shown, in a most generic and simplified representation form, the principle of the method according to the present invention and, accordingly, a set of binaurally operated hearing devices.
  • a left-ear hearing device 1 L At the left side -L- and the right side -R- ear of an individual there is applied a left-ear hearing device 1 L and respectively a right-ear device 1 R .
  • each of these devices comprises an electrical to mechanical converter 3 L and 3 R being e.g. respective loudspeakers.
  • These converters 3 L , R are operated by respective electronic units 5 L and 5 R , which comprise, for digital hearing devices, customarily a digital processing unit DSP.
  • This communication link is wire- bound and therefore comprises at least two wires, which link the two hearing devices 1 L and 1 R and thereby especially their electronic units 5 L and 5 R .
  • one of these at least two wires forming the communication link 7 between the two hearing devices 1 L and 1 R is formed by a body conductor 7 B , which is realized by the individual's body between a contact area 9 L , whereat a body electrode 11 L at hearing device 1 L contacts the individual's body and a contact area 9 R , whereat a body electrode 11 R at the hearing device 1 R contacts individual's body.
  • the body conductor 7 B is shown in fig. 1 in dashed lines with the impedance Z B representing the individual's body impedance between the said two contact areas 9 L and 9 R .
  • this body conductor 7 B there is provided at least one wire conductor 7 W completing the communication link 7.
  • more than one communication link 7 may, if necessary, be provided between the hearing devices 1 L and 1 R , which leads to multiple wire conductors 7 W with commonly a body conductor 7 B .
  • the communication link 7 may be operated to perform communication in a selected direction, e.g. from left to right, or and preferably to perform communication bidirectionally as shown in fig. 1 by the double-arrow F.
  • the communication via the communication link 7 may be for audio signals converted into a respective electronic form, especially into digital form, and/or for control signals for the respective electronic units 5 L and 5 R .
  • the communication link 7 may be established by providing the wire connector 7 W directly interconnecting the two hearing devices 1 L and 1 R , at another preferred' mode of realizing the present invention there may be provided a further electronic unit as shown in dashed pointed lines in fig. 1 and denoted by the reference No. 13 being interconnected between the hearing devices 1 L and 1 R and being electrically connected to at least one, preferably to both hearing devices 1 L and 1 R respectively with at least one wire connector.
  • An electronic unit is further connected by a further body contact electrode ll ⁇ 3 to the individual's body at a contact area 9 ⁇ 3 .
  • the electronic unit 13 may comprise (not shown) a transmitter/receiver unit for wireless communication C with a remote receiver/transmitter unit (not shown) so as to receive in wireless communication audio signals and/or control signals to be transmitted to the hearing devices 1 L and/or 1 R . Additionally or alternatively such transmitter/receiver unit at the electronic unit 13 may communicate control signals from and/or towards at least one of the hearing devices 1 L and 1 R towards and/or from a remote control unit.
  • the electronic unit 13 may thus be conceived as any RF-link, e.g. as a Blue-tooth device.
  • fig. 2 there is shown one specific embodiment of binaurally operated hearing devices with a communication link 7 according to the present invention.
  • the two hearing devices 1 R and l concomitantly operate for specific beam forming. It is known that by providing microphones at a predetermined mutual distance and respective treating of the electric output signals of such microphones, beam forming may be achieved based on the fact of mutual phase difference or time lag with which an acoustical signal from an acoustical source impinges upon the two microphones.
  • Such a beam forming is e.g. the well-known "delay and add" method
  • both hearing devices have respective microphones 15 L and 15 R , the outputs thereof being operationally connected to respective analogue to digital converters 17 L and 17 R .
  • a controlled time-multiplexer unit which is operated by a respective time control unit 20 L and 20 R in synchronism.
  • a digitalized output signal of microphone 15 L is led, as an audio signal, via communication link 7 to the input of digital processing unit DSP R simultaneously with a digitalized output signal of microphone 15 R .
  • the digitalized output signal of microphone 15 R is led to the input of digital processing unit DSP L altogether with the digitalized output signal of microphone 15 L .
  • the digital processing units DSP of both hearing devices receive at their respective inputs digitalized audio signals of both microphones. Synchronising of the time control units 20 L and 20 R is also performed via the communication link according to the present invention.
  • both digital processing units DSP may perform beam forming.
  • digitalized audio signals may be one-directionally led via the communication link 7 according to the present invention from one hearing device to the other.
  • One of the two hearing devices acts in such a case as the beam forming hearing device, which may be said with respect to beam forming to act as a master hearing device, with respect to the second hearing device acting as a slave hearing device.
  • fig. 3 there is shown a further preferred embodiment of a set of binaurally operated hearing devices communicating by the communication link 7 according to the present invention.
  • this embodiment shows an example of one hearing device, namely device 1 L acting as a master with respect to the second hearing device 1 R acting as a slave.
  • the hearing device 1 L has a microphone or microphone arrangement 15 .
  • Beam forming is performed after audio signal digitalisation (not shown in fig. 3) at the digital processing unit DSP L .
  • a digitalized audio signal is communicated via link 7 to the second hearing device 1 R with appropriate phasing e.g.
  • hearing device 1 L acts as master hearing device with respect to a slave hearing device 1 R .
  • control signals one of the two hearing devices receiving e.g. by wireless communication control signals and transmitting control signals to the slave hearing device.
  • inverse direction acknowledgement signals also being considered as control signals, may be retransmitted from the slave hearing device to the master hearing device.
  • the communication link 7 according to the present invention has the tremendous advantage of necessitating only one wire interconnecting, according to fig. 1, either directly or via a further electronic unit 13, the two hearing devices 1 L and 1 R .
  • only one wire must be plugged to at least one of the two hearing devices 1 L and 1 R according to fig. 1, at tap 22 L and/or at tap 22 R .
  • plugging-in one wire cable is already significantly easier than plugging-in a multiple wire cable, a further improvement thereabout is reached by providing, as will now be exemplified, plugging-in of the one-wire conductor at at least one or, preferably, at both hearing devices by magnetic attraction.
  • Fig. 4 schematically shows a plugging area 22 LR according to fig. 1. If an electronic unit 13 is provided, such plugging-in system may also be provided to contact unit 13 as is shown in fig. 1 at 22 ⁇ 3 by the communication link wires 7 W .
  • At least one end of wire 7 and/or the respective contact area at one or both of the hearing devices 1 L , 1R and/or at unit 13 are provided with a magnet arrangement.
  • the end of the wire 7 W is provided with a magnet arrangement 24.
  • the counterpart mechanical contact pad 26 may thereby be of ferromagnetic material or may be as well a magnet arrangement .
  • magnet/magnet contact or by magnet/ferromagnetic material contact needs not directly establish the electric contact.
  • electro- conductivity and mutual contacting of magnet/magnet or magnet/ferromagnetic material contacts may not suffice for electric communication purposes.
  • FIG. 5 An accordingly conceived plug-in arrangement is shown in fig. 5 in the same schematic representation form as that of fig. 3.
  • the difference to the embodiment of fig. 4 is that the magnetic arrangements and counterparts 24/26 are only provided for mechanical attraction purposes, whereas electric contacting of the wire 7 to the hearing device or, respectively, the electronic unit 13 is performed by non-magnetic contact pads 24 e and 26 e , e.g. of aluminum, copper, gold or of stainless steel or copper coated with gold and/or by a conductive polymer member.
  • one end of the wire 7 W making part of the communication link according to the present invention is formed by a conductive plate as by a metal or conductive polymer layer 30 embedded in an isolating plugging arrangement 32 as schematically shown.
  • a second conductive plate as by a metal or conductive polymer layer 34, which is covered towards the outside by dielectric material, e.g. by a layer 36 of dielectric material.
  • This layer may be unitarily formed the shell or housing of the hearing device considered or of the electronic unit 13.
  • conductive plate 30 By bringing the conductive plate 30 in intimate contact with the surface of the dielectric layer 36, conductive plate or layer 30, dielectric layer 36 and conductive plate or layer 34 form or establish a capacitor in series with wire 7 W and operationally connected, as schematically shown, e.g. to a preamplifier stage 38 at the hearing device or at the unit 13. Especially for transmitting digital signals, even if such digital signals are distorted by the capacitive -
  • the respective body contact electrode as of 11 of fig. 1 may be conceived as a series capacitance electrode.
  • the body contact electrode comprises a conductive plate as a metallic layer or a layer of conductive polymer 40 electrically connected to the respective electronic unit, as according to fig. 5 to preamplifier stage 38.
  • the conductive plate or layer 40 is covered by a dielectric layer 42 in analogy to the explanations given with respect to dielectric covering of conductive plate or layer 34.
  • a capacitive signal coupling as shown in fig. 6 may also be realised by covering the other conductive plate 30 by a dielectric layer or by covering both conductive plates 30 and 34 by such dielectric layers, thereby establishing a double-layer dielectricum.
  • an electroconductive gel may be applied between these surfaces to be contacted, e.g. a gel as is used or applied to cardiographic electrodes.
  • Bringing the parts to be contacted into mutual intimate contact so as to establish the series capacitance may be realized in any known way, as by clip-fixation, bayonet fixation etc. Nevertheless, in a most preferred embodiment, this contacting is realized, as shown in fig. 6, by magnetic attraction too.
  • both parts to be contacted are provided with respective magnet arrangements 24a and 24b. If both these parts are provided with permanent magnets, as shown in fig. 6, by selection of the respective direction of polarity P one may prevent that the wire 7 W may be brought into contact at a predetermined contact area, be it of a hearing device and/or of the electronic unit. With the direction of polarities P selected according to fig.
  • a conductive contact member may directly be applied and thereby e.g. for improving comfort to the individual especially a conductive member of conductive plastic material, especially of conductive polymer.
  • the wire 7 W is integrated into glasses.
  • the wire 7 is contacted with the respective right-hand and left-hand hearing devices (not shown in fig. 6) at schematically shown contact areas 45, which preferably are realized for establishing contact by magnetic attraction, as shown in the figs. 4 to 6.
  • an electronic unit 13 may also be integrated into the glasses.
  • the communication link 7 according to the present invention between the- binaurally operated hearing devices is established, which is largely facilitated by conceiving contacting at the areas 45 to the respective hearing devices, as was described, by magnetic attraction.

Landscapes

  • 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)
  • Near-Field Transmission Systems (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Headphones And Earphones (AREA)

Abstract

L'invention concerne l'établissement d'une liaison de communication binaurale entre deux dispositifs auditifs via au moins un fil (7W) et un conducteur, formé par le corps d'un individu (7B).
EP02750507A 2001-03-13 2002-01-22 Procede permettant d'etablir une liaison de communication binaurale et dispositifs auditifs binauraux Expired - Lifetime EP1368991B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
WOPCT/CH01/00156 2001-03-13
PCT/CH2001/000156 WO2001039569A2 (fr) 2001-03-13 2001-03-13 Procede pour etablir une connexion mecanique et/ou electrique amovible
PCT/CH2002/000033 WO2002074011A2 (fr) 2001-03-13 2002-01-22 Procede permettant d'etablir une liaison de communication binaurale et dispositifs auditifs binauraux

Publications (2)

Publication Number Publication Date
EP1368991A2 true EP1368991A2 (fr) 2003-12-10
EP1368991B1 EP1368991B1 (fr) 2011-03-02

Family

ID=4358184

Family Applications (2)

Application Number Title Priority Date Filing Date
EP01909397A Withdrawn EP1368989A2 (fr) 2001-03-13 2001-03-13 Procede pour etablir une connexion mecanique et/ou electrique amovible
EP02750507A Expired - Lifetime EP1368991B1 (fr) 2001-03-13 2002-01-22 Procede permettant d'etablir une liaison de communication binaurale et dispositifs auditifs binauraux

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP01909397A Withdrawn EP1368989A2 (fr) 2001-03-13 2001-03-13 Procede pour etablir une connexion mecanique et/ou electrique amovible

Country Status (7)

Country Link
EP (2) EP1368989A2 (fr)
JP (2) JP2004530310A (fr)
AU (3) AU3718801A (fr)
CA (2) CA2439445A1 (fr)
DE (1) DE60239319D1 (fr)
DK (1) DK1368991T3 (fr)
WO (2) WO2001039569A2 (fr)

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EP1368989A2 (fr) 2001-03-13 2003-12-10 Phonak Ag Procede pour etablir une connexion mecanique et/ou electrique amovible
US7512448B2 (en) * 2003-01-10 2009-03-31 Phonak Ag Electrode placement for wireless intrabody communication between components of a hearing system
US7392091B2 (en) 2003-12-30 2008-06-24 Cochlear Limited Implanted antenna and radio communications link
WO2006045148A2 (fr) 2004-10-28 2006-05-04 Cochlear Limited Liaison de donnees capacitives transcutanees
DE102005020322A1 (de) * 2005-05-02 2006-07-13 Siemens Audiologische Technik Gmbh Schnittstelleneinrichtung zur Signalübertragung zwischen einem Hörhilfegerät und einem externen Gerät
DE102006019693B4 (de) * 2006-04-27 2012-12-06 Siemens Audiologische Technik Gmbh Binaurales Hörsystem mit magnetischer Steuerung
DK2119310T3 (en) 2007-01-22 2017-02-13 Sonova Ag SYSTEM AND METHOD INTENDED TO PROVIDE HEARING AID TO A USER
US8369959B2 (en) 2007-05-31 2013-02-05 Cochlear Limited Implantable medical device with integrated antenna system
US8634773B2 (en) 2007-10-12 2014-01-21 Cochlear Limited Short range communications for body contacting devices
KR101672455B1 (ko) * 2009-01-28 2016-11-07 삼성전자주식회사 인체 통신하는 휴대용 단말기와 청음기 및 이를 위한 데이터 제어방법
US8726492B2 (en) 2009-09-09 2014-05-20 Cochlear Limited Insulated conductive element having a substantially continuous barrier layer formed through multiple coatings
US8460746B2 (en) 2009-09-09 2013-06-11 Cochlear Limited Method of forming insulated conductive element having a substantially continuous barrier layer formed via relative motion during deposition

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Also Published As

Publication number Publication date
AU2002218936B8 (en) 2007-04-05
AU2002218936B2 (en) 2007-02-22
AU2002218936C1 (en) 2010-05-13
CA2407142C (fr) 2011-07-26
WO2001039569A3 (fr) 2002-05-30
JP2004526366A (ja) 2004-08-26
DE60239319D1 (de) 2011-04-14
WO2002074011A3 (fr) 2003-07-24
AU3718801A (en) 2001-06-12
EP1368991B1 (fr) 2011-03-02
EP1368989A2 (fr) 2003-12-10
WO2002074011A2 (fr) 2002-09-19
CA2407142A1 (fr) 2002-09-19
DK1368991T3 (da) 2011-06-20
AU2001237188B2 (en) 2006-03-09
CA2439445A1 (fr) 2001-06-07
AU2002218936A1 (en) 2002-09-24
WO2001039569A2 (fr) 2001-06-07
JP2004530310A (ja) 2004-09-30

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