EP1519622B1 - Prothèse auditive avec commutation automatique de l'alimentation de tension pour des composants externes et procédé associé - Google Patents

Prothèse auditive avec commutation automatique de l'alimentation de tension pour des composants externes et procédé associé Download PDF

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Publication number
EP1519622B1
EP1519622B1 EP04019523A EP04019523A EP1519622B1 EP 1519622 B1 EP1519622 B1 EP 1519622B1 EP 04019523 A EP04019523 A EP 04019523A EP 04019523 A EP04019523 A EP 04019523A EP 1519622 B1 EP1519622 B1 EP 1519622B1
Authority
EP
European Patent Office
Prior art keywords
voltage
hearing aid
load
external apparatus
detected
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.)
Not-in-force
Application number
EP04019523A
Other languages
German (de)
English (en)
Other versions
EP1519622A3 (fr
EP1519622A2 (fr
Inventor
Kunibert Husung
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 GmbH
Original Assignee
Siemens Audioligische Technik GmbH
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 Audioligische Technik GmbH filed Critical Siemens Audioligische Technik GmbH
Publication of EP1519622A2 publication Critical patent/EP1519622A2/fr
Publication of EP1519622A3 publication Critical patent/EP1519622A3/fr
Application granted granted Critical
Publication of EP1519622B1 publication Critical patent/EP1519622B1/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
    • H04R25/55—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
    • 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
    • H04R2225/33—Aspects relating to adaptation of the battery voltage, e.g. its regulation, increase or decrease
    • 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
    • H04R2225/53—Hearing aid for unilateral hearing impairment using Contralateral Routing Of Signals [CROS]
    • 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
    • H04R25/50—Customised settings for obtaining desired overall acoustical characteristics
    • H04R25/505—Customised settings for obtaining desired overall acoustical characteristics using digital signal processing
    • 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

Definitions

  • the present invention relates to a hearing aid device with a power supply device for supplying an external device which can be connected to the hearing aid device. Moreover, the present invention relates to a corresponding method for operating the external device connected to the hearing aid device.
  • Hearing aids worn behind the ear have in most cases an audio input which serves to connect external signal sources to it.
  • External signal sources are, for example, so-called CROS microphones (contraradial routing of signals), audio devices, FM transmission systems, etc.
  • Some of these connected devices require a supply voltage supplied by the hearing aid.
  • the CROS microphones require a very stable supply voltage with relatively low power consumption.
  • Such a regulated power supply in this current range can be ensured by conventional voltage regulator.
  • Hearing aid devices have traditionally been equipped with regulated supply voltage at the audio input in the past, since mainly low-power CROS microphones had to be supplied. As later miniature FM systems came on the market, the hearing aid had to be converted accordingly. Modern hearing aids are therefore already provided with unregulated power supply to the audio input. Therefore, in the case of a CROS supply, special microphone devices with internal voltage stabilization are needed.
  • a four-port electronic hearing device is known, the first port of which is connected to a first signal source, such as a radio, a recorder, a radio, a television or a warning device.
  • the second port is connected to a microphone and the third port is connected to a computer.
  • the fourth connection and, if necessary, further connections are provided for connecting further signal sources.
  • a hearing aid with a circuit is known to which external components, such as an on-off switch and a contact point, are connected.
  • the pad is connected via a circuit connection to a voltage source which supplies the circuits in the circuit with different regulated voltages.
  • a device for switching off signal processing devices of a hearing device is known.
  • This device has a monitoring logic for turning on and off a hearing aid signal source.
  • Some hearing aids provide both regulated and unregulated supply voltage at the audio input.
  • the disadvantage here is that, on the one hand, an additional audio contact is required, so that the audio input typically has the following four contacts: signal contact, ground contact and two voltage supply contacts.
  • Another disadvantage, if both supply voltages must be provided, is that a separate audio shoe must be provided for each application, which serves to provide either the regulated or the unregulated operating voltage for the connected device.
  • EP 1 304 905 A2 is a hearing aid known that can be connected to an external device.
  • the hearing aid has a detector that can be used to detect whether the external device is connected to the hearing aid or not. Depending on this, the hearing aid keeps the connection energized.
  • the object of the present invention is therefore to make the power supply for connectable to hearing aids external devices more comfortable.
  • a hearing aid device having a voltage supply device for supplying an external device connectable to the hearing aid device, a load detection device for detecting the electrical load which forms the external device on the voltage supply device, and a control device for controlling the voltage supply device available voltage depending on the detected electrical load.
  • a method according to claim 4 for operating an external device connected to a hearing aid device by supplying the external device with an electrical voltage from the hearing aid device, detecting the electrical load that forms the external device on the hearing aid, and controlling the electrical Voltage depending on the detected electrical load.
  • the voltage supply device has a regulated voltage source and an unregulated voltage source. This makes it possible, for example, automatically supply external devices with low power consumption with regulated voltage and devices with high power consumption with unregulated voltage. In addition, the automatic switching between the regulated and unregulated voltage source is based on the detected load forming the external device.
  • Automatic load detection always provides the appropriate supply voltage at the audio input. This eliminates all retooling the hearing aids. Elaborate CROS devices with built-in screen circuits are also no longer needed. It also eliminates customer queries for device compatibility issues and increases product value and customer satisfaction.
  • the load detection means may comprise a current measuring circuit and a comparator for comparing a measured current with a switching threshold.
  • the load detection means may comprise a voltage monitoring circuit and a comparator for comparing a detected voltage with a switching threshold.
  • the voltage monitoring has the advantage that it can be relatively easily realized.
  • the hearing aid according to the invention shown in the block diagram of the figure has as input components a microphone 1 and a telephone coil 2. Both components supply their signals to a preamplifier 3, which is equipped with an A / D converter and a voltage regulator.
  • the preamplifier 3 feeds its output signal into a digital signal processing unit 4 with clocked output stage.
  • the output signal of this digital signal processing unit is fed to a receiver or loudspeaker 5.
  • Both the preamplifier 3 and the digital signal processing unit 4 are powered by means of a battery 6 with voltage. Furthermore, a volume control 7, which is connected to the digital signal processing unit 4, for adjusting the volume at the receiver 5. Further, the digital signal processing unit 4 via an MTO switch 8 in the microphone mode, the telecoil operation or the off state switchable. With a programming socket 9, the digital signal processing unit 4 can be programmed in a suitable manner. Finally, by a situation key 10, the operation of the digital signal processing unit 4 can be further specified. For example, it is possible to switch from pure telecoil operation to a mixed operation with consideration of microphone signals. Furthermore, the microphone operation can be specified by using one or more microphones for generating the output signal with the situation button 10.
  • the preamplifier 3 has an additional audio input 11, via which an audio signal from an external device, such as a CROS microphone and / or a miniature FM receiver, can be taken into account in the hearing aid.
  • the audio input 11 has an audio voltage supply contact, which is fed by a load detection device 12.
  • This load detection device 12 is a supply voltage switching unit, with which either the voltage of the voltage regulator of the preamplifier 3 or the looped by the amplifier 3 battery voltage of the battery 6 can be switched to the audio input 11.
  • the load detection device 12 measures the Current flowing into the device (not shown) connected to the audio input 11 from the supply voltage source 3 or 6. If the measured current is high, the switching unit selects the battery voltage to supply the external device. Otherwise, the voltage regulator serves as a voltage source.
  • the current measurement signal can be compared with a threshold value. If the current sense signal is above the threshold, this indicates a load with high power consumption, whereas falling below the threshold indicates a load with low power consumption.
  • the current measurement signal is additionally compared over a second threshold, which is above the first threshold.
  • This second threshold is used to detect a short circuit of the connected external device.

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Neurosurgery (AREA)
  • Otolaryngology (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Direct Current Feeding And Distribution (AREA)
  • Amplifiers (AREA)
  • Control Of Voltage And Current In General (AREA)

Claims (6)

  1. Prothèse auditive comprenant
    - une alimentation en tension pour l'alimentation d'un dispositif extérieur pouvant être raccordé à la prothèse auditive,
    - un dispositif ( 12 ) de détection de charge pour détecter la charge électrique que le dispositif extérieur forme sur l'alimentation en tension, et
    - un dispositif de commande pour commander la tension pouvant être fournie par l'alimentation en tension en fonction de la charge électrique détectée
    caractérisée en ce que
    - l'alimentation en tension a une source de tension réglée et une source ( 6 ) de tension non réglée, et
    - le dispositif de commande branche en fonction de la charge détectée la source de tension réglée ou la source ( 6 ) de tension non réglée sur le dispositif extérieur.
  2. Prothèse auditive suivant la revendication 1, dans laquelle le dispositif ( 12 ) de détection de charge comprend un circuit de mesure du courant et un comparateur pour comparer un courant mesuré à une valeur de seuil de commutation.
  3. Prothèse auditive suivant la revendication 1, dans laquelle le dispositif ( 12 ) de détection de charge comprend un circuit de contrôle de la tension et un comparateur pour comparer une tension déterminée à une valeur de seuil de commutation.
  4. Procédé pour faire fonctionner un dispositif extérieur raccordé à une prothèse auditive
    - en alimentant le dispositif extérieur en une tension électrique à partir de la prothèse auditive,
    - en détectant la charge électrique que le dispositif extérieur forme sur la prothèse auditive et
    - en commandant la tension électrique en fonction de la charge électrique détectée,
    caractérisé en ce que
    - on effectue l'alimentation à la tension électrique soit par une source de tension réglée soit par une source ( 6 ) de tension non réglée et
    - on branche la source de tension réglée ou la source de tension non réglée sur le dispositif extérieur en fonction de la charge détectée.
  5. Procédé suivant la revendication 4, dans lequel on effectue la détection de la charge électrique en mesurant le courant et en comparant ensuite le courant mesuré à une valeur de seuil de commutation.
  6. Procédé suivant la revendication 4, dans lequel on effectue la détection de la charge électrique en contrôlant la tension sur le dispositif extérieur et en comparant ensuite cette tension à une valeur de seuil de commutation.
EP04019523A 2003-09-24 2004-08-17 Prothèse auditive avec commutation automatique de l'alimentation de tension pour des composants externes et procédé associé Not-in-force EP1519622B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10344366 2003-09-24
DE10344366A DE10344366B3 (de) 2003-09-24 2003-09-24 Hörhilfegerät mit automatischer Umschaltung der Spannungsversorgung für externe Komponenten und entsprechendes Verfahren

Publications (3)

Publication Number Publication Date
EP1519622A2 EP1519622A2 (fr) 2005-03-30
EP1519622A3 EP1519622A3 (fr) 2009-01-21
EP1519622B1 true EP1519622B1 (fr) 2010-02-17

Family

ID=34177930

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04019523A Not-in-force EP1519622B1 (fr) 2003-09-24 2004-08-17 Prothèse auditive avec commutation automatique de l'alimentation de tension pour des composants externes et procédé associé

Country Status (4)

Country Link
US (1) US7333624B2 (fr)
EP (1) EP1519622B1 (fr)
DE (2) DE10344366B3 (fr)
DK (1) DK1519622T3 (fr)

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US8291912B2 (en) * 2006-08-22 2012-10-23 Sonitus Medical, Inc. Systems for manufacturing oral-based hearing aid appliances
EP2064916B1 (fr) * 2006-09-08 2018-12-05 SoundMed, LLC Procédés et appareil de traitement des acouphènes
US7765418B2 (en) * 2007-03-15 2010-07-27 Qimonda North America Corp. Multi-mode voltage supply circuit
US8270638B2 (en) * 2007-05-29 2012-09-18 Sonitus Medical, Inc. Systems and methods to provide communication, positioning and monitoring of user status
US20080304677A1 (en) * 2007-06-08 2008-12-11 Sonitus Medical Inc. System and method for noise cancellation with motion tracking capability
US20090028352A1 (en) * 2007-07-24 2009-01-29 Petroff Michael L Signal process for the derivation of improved dtm dynamic tinnitus mitigation sound
US20120235632A9 (en) * 2007-08-20 2012-09-20 Sonitus Medical, Inc. Intra-oral charging systems and methods
US8433080B2 (en) * 2007-08-22 2013-04-30 Sonitus Medical, Inc. Bone conduction hearing device with open-ear microphone
US8224013B2 (en) * 2007-08-27 2012-07-17 Sonitus Medical, Inc. Headset systems and methods
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US8795172B2 (en) * 2007-12-07 2014-08-05 Sonitus Medical, Inc. Systems and methods to provide two-way communications
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EP2484125B1 (fr) 2009-10-02 2015-03-11 Sonitus Medical, Inc. Appareil intra-oral pour transmission sonore par l'intermédiaire de conduction osseuse
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Also Published As

Publication number Publication date
DK1519622T3 (da) 2010-05-31
DE502004010760D1 (de) 2010-04-01
EP1519622A3 (fr) 2009-01-21
DE10344366B3 (de) 2005-04-21
EP1519622A2 (fr) 2005-03-30
US20050111679A1 (en) 2005-05-26
US7333624B2 (en) 2008-02-19

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