EP1448021A2 - Dispositif de transmission de données pour prothèses auditive - Google Patents

Dispositif de transmission de données pour prothèses auditive Download PDF

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Publication number
EP1448021A2
EP1448021A2 EP04001576A EP04001576A EP1448021A2 EP 1448021 A2 EP1448021 A2 EP 1448021A2 EP 04001576 A EP04001576 A EP 04001576A EP 04001576 A EP04001576 A EP 04001576A EP 1448021 A2 EP1448021 A2 EP 1448021A2
Authority
EP
European Patent Office
Prior art keywords
circuit
data transmission
oscillator circuit
transmission device
oscillator
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
EP04001576A
Other languages
German (de)
English (en)
Other versions
EP1448021A3 (fr
EP1448021B1 (fr
Inventor
Torsten Dr. Niederdränk
Gerhard Pfannenmüller
Gottfried Rückerl
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=32668044&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP1448021(A2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Siemens Audioligische Technik GmbH filed Critical Siemens Audioligische Technik GmbH
Publication of EP1448021A2 publication Critical patent/EP1448021A2/fr
Publication of EP1448021A3 publication Critical patent/EP1448021A3/fr
Application granted granted Critical
Publication of EP1448021B1 publication Critical patent/EP1448021B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • H04R25/554—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

Definitions

  • the present invention relates to a data transmission device for hearing aids with a modulatable oscillator circuit to generate a changeable transmission signal and an antenna device for radiating the transmission signal.
  • the integrated circuit of the respective hearing aid should be integrable.
  • the integrated circuit of the respective hearing aid should be integrable.
  • this is the low available Space especially in in-the-ear hearing aids and on the other the very small amount of electricity available for supply of the transmitter, which is usually in the microampere range.
  • Another constraint is the one necessary for the transfer high frequency stability, usually only with a quartz oscillator can be achieved.
  • the publication DE 101 15 896 a hearing aid system with a programmable hearing aid and a transmitting and receiving unit known.
  • the hearing aid is for wireless programming a detachable with the hearing aid connected transmitting and receiving unit provided.
  • This preferably has the outer shape of a hearing aid battery and is for programming in the battery compartment of the hearing aid used. This is for wireless programming necessary components of the hearing aid only during programming connected to the hearing aid.
  • the hearing aid is data in an external programming device provided and in the form of a transmitting and receiving coil electromagnetic waves on a separate, the hearing aid assigned transmit and receive coil.
  • the object of the present invention is therefore a data transmission device for hearing aids with little To provide space and low power consumption.
  • this object is achieved by a data transmission device for hearing aids with a modular Oscillator circuit for generating a changeable transmission signal and an antenna device for radiating the transmission signal
  • the oscillator circuit is a coil device includes that as a transmitting and receiving antenna device is used.
  • the data transmission device advantageously has a control circuit with which only during a negative or positive half-wave of the oscillation of the oscillator circuit an adjustable amount of energy in the oscillator circuit is fed.
  • This half-wave feed can be particularly advantageous with the help of a Current mirror, from a the polarity of the vibration monitoring comparator circuit is realized.
  • the current mirror is preferably used for control purposes the transmitted power and the vibration amplitude usable.
  • a modulator circuit connected to the oscillator circuit and is a switchable capacitor element comprises, for frequency modulation of the oscillation of the oscillator circuit intended.
  • This switchable capacitor element has a very small footprint and can possibly be integrated on the IC. This structure ensures moreover also an amplitude modulation of the signal to be emitted.
  • a trimmer connected to the oscillator circuit is to be provided.
  • the purpose of this is the resonance frequency, which due to the component tolerances from Setpoint can deviate by connecting or disconnecting capacitance elements adjust.
  • FIG 1 becomes the transmit oscillator through a parallel LC resonant circuit educated.
  • One terminal of the parallel resonant circuit is LC with a fixed potential VP, which represents a DC potential, which, for example, directly the supply or Battery voltage corresponds or also from one any existing voltage multiplier circuit is derived can be supplied.
  • the second terminal P of the parallel resonant circuit LC is designed as a free-floating pole.
  • a comparator K monitors the free-floating pole P. versus the supply potential VP.
  • the output signal of the Comparator K is used to control a controllable current source I.
  • the current source I is between a supply terminal + and one formed with two field effect transistors T1, T2 Current mirror used for decoupling and impedance matching serves the oscillator circuit LC, closed.
  • the first Field effect transistor T1 of the current mirror is with its Drain to one input of the comparator K or connected the freely oscillating pole P. With the source is the transistor T1 is connected to ground.
  • the gate of the field effect transistor T1 is with the gate of the second field effect transistor T2 of the current mirror connected. Gate and drain of the second field effect transistor T2 are also together connected.
  • the source of the field effect transistor is T2 again connected to ground.
  • the drain of the field effect transistor T2 is connected to the controllable current source I.
  • the controllable current source I receives further control signals from a starting circuit AS and a trimming circuit TS.
  • the comparator K monitors the freely oscillating pole P des LC resonant circuit. For levels less than the fixed resting potential VP are, he turns the current mirror active. Otherwise he blocks the current mirror. Thus the Vibration during the negative half-wave a positive feedback. During the positive half wave, the energy of the resonant circuit LC used to maintain the vibration.
  • the oscillation frequency is determined by the resonance of the LC oscillation circuit determined and can thus by the appropriate choice of L and C can be set.
  • the power coupled into the resonance circuit LC is direct proportional to the current that the current mirror T1, T2 feeds.
  • Suitable constant currents are available, which can be set using common measures.
  • the mirror ratio n: 1 of the current mirror the drive current of the current mirror can be reduced by the ratio n be less than the current delivered to the resonant circuit.
  • the voltage VP can be reached as the maximum transmission amplitude. The available voltage range is thus optimally used.
  • Controlling the electricity fed in not only enables a comparison of the transmission amplitude, but also allows one precise limitation of the current drawn from the battery. Programming can be used to compare the copy controls the integrated circuit and the external components respectively.
  • the application is made at the moment of switching on a short current pulse is required.
  • This task takes over the start-up circuit AS, which is the current mirror circuit at the beginning with a current pulse of suitable length.
  • the comparator K takes control of the current mirror.
  • the trim circuit TS serves the current to the used Adapt components exactly.
  • a change in the control current I leads to a proportional one Change in the amplitude of the vibration, with which a corresponding Amplitude modulation can be achieved.
  • a suitable one Modulator circuit for the current I can structure thus be used to generate an AM transmit signal. 2 shows a corresponding control input S for the Current source I indicated. Depending on a control signal S the current is varied and thus the transmission signal is amplitude modulated.
  • the other components of the circuit of FIG. 2 correspond to those of FIG. 1.
  • FIG. Another embodiment of the present invention is shown in FIG. Here is one way to change it the transmission frequency shown by connecting a capacitance C.
  • the resonance frequency of the LC circuit is around a defined Value decreased when transistor T3 is turned on becomes.
  • the transistor 3 is driven by a FSK signal, so that a modulation according to the so-called frequency shift keying can be performed.
  • the transistor T3 can also be changed Frequency modulation signal can be controlled.
  • trim capacitors C4 to Ck By suitable connection of trim capacitors C4 to Ck there is also a trimming via switching transistors T4 to Tk the resonance frequency to compensate for component tolerances possible.
  • the switching transistors T3 to Tk and all of them Trim capacitors can be on the integrated circuit be integrated into the hearing aid. So that the entire circuit according to one of Figures 1 to 3 on an IC, at most with the exception of component L, be integrated, the coil L used as an antenna in an inductive transmission system can be.
  • Such a circuit described above ensures the Operation with usual supply voltages in the hearing aid as well a precise and simple setting of the transmission amplitude. Maximum is a transmission amplitude up to without special wiring reachable for double operating voltage. When using more suitable Booster circuits can also be higher Voltages are generated. Preferably used as a modulation method the AM and the FSK used. Through the switchable Capacitor elements is a simple adjustment the transmission frequency possible.

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)
  • Transmitters (AREA)
  • Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
  • Near-Field Transmission Systems (AREA)
EP04001576.0A 2003-02-12 2004-01-26 Prothèses auditive avec dispositif de transmission de données Expired - Lifetime EP1448021B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10305833A DE10305833B3 (de) 2003-02-12 2003-02-12 Datenübertragungseinrichtung für Hörgeräte
DE10305833 2003-02-12

Publications (3)

Publication Number Publication Date
EP1448021A2 true EP1448021A2 (fr) 2004-08-18
EP1448021A3 EP1448021A3 (fr) 2009-06-17
EP1448021B1 EP1448021B1 (fr) 2015-04-01

Family

ID=32668044

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04001576.0A Expired - Lifetime EP1448021B1 (fr) 2003-02-12 2004-01-26 Prothèses auditive avec dispositif de transmission de données

Country Status (6)

Country Link
US (1) US7292698B2 (fr)
EP (1) EP1448021B1 (fr)
JP (1) JP4384515B2 (fr)
CN (1) CN100544502C (fr)
DE (1) DE10305833B3 (fr)
DK (1) DK1448021T3 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1871140A1 (fr) * 2006-05-26 2007-12-26 Siemens Audiologische Technik GmbH Appareil auditif doté d'une commutation de circuit oscillant et procédé correspondant
WO2012171573A1 (fr) * 2011-06-17 2012-12-20 Widex A/S Aide auditive ayant un émetteur-récepteur sans fil et procédé d'ajustement d'une aide auditive
US8483416B2 (en) 2006-07-12 2013-07-09 Phonak Ag Methods for manufacturing audible signals
US9300367B2 (en) 2011-05-06 2016-03-29 Oticon A/S Receiver and method for retrieving an information signal from a magnetic induction signal

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006035102B4 (de) * 2006-07-28 2016-04-07 Sivantos Gmbh Hörhilfe mit einem Sende-Empfangssystem
US8358795B2 (en) 2006-07-28 2013-01-22 Siemens Audiologische Technik Gmbh Receiver system and method for transmitting information for an otological device
US20080102906A1 (en) * 2006-10-30 2008-05-01 Phonak Ag Communication system and method of operating the same
CN101529732B (zh) * 2006-10-30 2012-05-23 峰力公司 通信系统及其操作方法
DE102007001538B4 (de) * 2007-01-10 2015-02-12 Siemens Audiologische Technik Gmbh Hörvorrichtung mit automatischer Selbsttrimmung und entsprechendes Verfahren
US8208665B2 (en) 2007-01-10 2012-06-26 Siemens Audiologische Technik Gmbh Hearing apparatus with automatic self trimming and corresponding method
DE102007051307B4 (de) * 2007-10-26 2011-02-17 Siemens Medical Instruments Pte. Ltd. Hörvorrichtung mit Nutzung eines induktiven Schaltreglers als Funksender
US7929722B2 (en) * 2008-08-13 2011-04-19 Intelligent Systems Incorporated Hearing assistance using an external coprocessor
US9414170B2 (en) * 2012-12-28 2016-08-09 Gn Resound A/S Hearing aid having an adaptive antenna matching mechanism and a method for adaptively matching a hearing aid antenna
DE112015006542T5 (de) * 2015-06-26 2018-02-22 Olympus Corporation Phasenregelschleifensender mit abgestimmten Versatz
US11878177B2 (en) 2018-10-10 2024-01-23 Cochlear Limited Implantable medical device short-range radio synchronization

Citations (3)

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CH552329A (de) 1973-05-30 1974-07-31 Bommer Ag In einem hoergeraete-gehaeuse eingebauter rundfunkempfaenger.
SU1192105A1 (ru) 1984-05-29 1985-11-15 Рыбинский Авиационный Технологический Институт Умножитель частоты
WO2001007905A1 (fr) 1999-07-23 2001-02-01 Honeywell Inc. Outil acoustique de generation de defauts

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US4543953A (en) * 1983-07-18 1985-10-01 Cordis Corporation Analog telemetry system for biomedical implant
JPH03502032A (ja) 1987-11-18 1991-05-09 ユニスキャン　リミテッド トランスポンダ
JPH01226217A (ja) 1988-03-04 1989-09-08 Omron Tateisi Electron Co 近接センサ発振回路
US5159293A (en) * 1991-12-20 1992-10-27 Smiths Industries Voltage-controlled oscillator with wide modulation bandwidth
US5615229A (en) * 1993-07-02 1997-03-25 Phonic Ear, Incorporated Short range inductively coupled communication system employing time variant modulation
US5721783A (en) * 1995-06-07 1998-02-24 Anderson; James C. Hearing aid with wireless remote processor
US5638031A (en) * 1996-01-29 1997-06-10 Sgs-Thomson Microelectronics, Inc. Precision oscillator circuit
JP3839123B2 (ja) 1997-03-03 2006-11-01 株式会社日立国際電気 同調周波数可変フィルタ
US6118378A (en) * 1997-11-28 2000-09-12 Sensormatic Electronics Corporation Pulsed magnetic EAS system incorporating single antenna with independent phasing
US20020091337A1 (en) * 2000-02-07 2002-07-11 Adams Theodore P. Wireless communications system for implantable hearing aid
JP2003530960A (ja) * 2000-04-20 2003-10-21 コックレア リミティド 人工内耳経皮電力最適化回路
JP4161520B2 (ja) 2000-06-26 2008-10-08 ヤマハ株式会社 補聴器
US6864755B2 (en) * 2000-10-06 2005-03-08 Alfred E. Mann Institute For Biomedical Engineering At The University Of Southern California Switched reactance modulated E-class oscillator design
DE10115896C2 (de) * 2001-03-30 2003-12-24 Siemens Audiologische Technik Lösbar mit einem Hörgerät verbindbare Sende- und/oder Empfangseinheit sowie programmierbares Hörgerät
JP2003110357A (ja) * 2001-09-28 2003-04-11 Toshiba Corp 発振回路及び発振回路を有する半導体装置

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH552329A (de) 1973-05-30 1974-07-31 Bommer Ag In einem hoergeraete-gehaeuse eingebauter rundfunkempfaenger.
SU1192105A1 (ru) 1984-05-29 1985-11-15 Рыбинский Авиационный Технологический Институт Умножитель частоты
WO2001007905A1 (fr) 1999-07-23 2001-02-01 Honeywell Inc. Outil acoustique de generation de defauts

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1871140A1 (fr) * 2006-05-26 2007-12-26 Siemens Audiologische Technik GmbH Appareil auditif doté d'une commutation de circuit oscillant et procédé correspondant
US8483416B2 (en) 2006-07-12 2013-07-09 Phonak Ag Methods for manufacturing audible signals
US9300367B2 (en) 2011-05-06 2016-03-29 Oticon A/S Receiver and method for retrieving an information signal from a magnetic induction signal
EP2521221B2 (fr) † 2011-05-06 2024-07-10 Oticon A/s Dispositif auditif et méthode
WO2012171573A1 (fr) * 2011-06-17 2012-12-20 Widex A/S Aide auditive ayant un émetteur-récepteur sans fil et procédé d'ajustement d'une aide auditive
US9124993B2 (en) 2011-06-17 2015-09-01 Widex A/S Hearing aid with a wireless transceiver and method of fitting a hearing aid

Also Published As

Publication number Publication date
EP1448021A3 (fr) 2009-06-17
US7292698B2 (en) 2007-11-06
JP2004248281A (ja) 2004-09-02
EP1448021B1 (fr) 2015-04-01
DK1448021T3 (en) 2015-07-13
JP4384515B2 (ja) 2009-12-16
AU2004200557A1 (en) 2004-09-02
US20040175009A1 (en) 2004-09-09
CN100544502C (zh) 2009-09-23
DE10305833B3 (de) 2004-08-12
CN1551681A (zh) 2004-12-01

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