AU2001226652A1 - Electromagnetic feedback reduction in communication device - Google Patents

Electromagnetic feedback reduction in communication device

Info

Publication number
AU2001226652A1
AU2001226652A1 AU2001226652A AU2665201A AU2001226652A1 AU 2001226652 A1 AU2001226652 A1 AU 2001226652A1 AU 2001226652 A AU2001226652 A AU 2001226652A AU 2665201 A AU2665201 A AU 2665201A AU 2001226652 A1 AU2001226652 A1 AU 2001226652A1
Authority
AU
Australia
Prior art keywords
communication device
feedback reduction
electromagnetic feedback
electromagnetic
reduction
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.)
Abandoned
Application number
AU2001226652A
Inventor
Finn Danielsen
Michael Ekelid
Peter Lundh
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.)
Oticon AS
Original Assignee
Oticon AS
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 Oticon AS filed Critical Oticon AS
Publication of AU2001226652A1 publication Critical patent/AU2001226652A1/en
Abandoned 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
    • H04R3/00—Circuits for transducers, loudspeakers or microphones
    • H04R3/007—Protection circuits for transducers
    • 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
AU2001226652A 2000-01-21 2001-01-18 Electromagnetic feedback reduction in communication device Abandoned AU2001226652A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP00610008.5A EP1119218B1 (en) 2000-01-21 2000-01-21 Electromagnetic feedback reduction in communication device
EP00610008 2000-01-21
PCT/DK2001/000037 WO2001054452A1 (en) 2000-01-21 2001-01-18 Electromagnetic feedback reduction in communication device

Publications (1)

Publication Number Publication Date
AU2001226652A1 true AU2001226652A1 (en) 2001-07-31

Family

ID=8174362

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2001226652A Abandoned AU2001226652A1 (en) 2000-01-21 2001-01-18 Electromagnetic feedback reduction in communication device

Country Status (5)

Country Link
US (1) US7155022B2 (en)
EP (1) EP1119218B1 (en)
AU (1) AU2001226652A1 (en)
DK (1) DK1119218T3 (en)
WO (1) WO2001054452A1 (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10223544C1 (en) * 2002-05-27 2003-07-24 Siemens Audiologische Technik Amplifier device for hearing aid with microphone and pick-up coil inputs, has amplifier provided with separate filters for acoustic and inductive feedback compensation
DE10228826A1 (en) * 2002-06-27 2004-01-29 Siemens Audiologische Technik Gmbh Acoustic module for a hearing aid
DE10242700B4 (en) * 2002-09-13 2006-08-03 Siemens Audiologische Technik Gmbh Feedback compensator in an acoustic amplification system, hearing aid, method for feedback compensation and application of the method in a hearing aid
US7756276B2 (en) 2003-08-20 2010-07-13 Phonak Ag Audio amplification apparatus
AU2003236382B2 (en) 2003-08-20 2011-02-24 Phonak Ag Feedback suppression in sound signal processing using frequency transposition
AU2004201374B2 (en) 2004-04-01 2010-12-23 Phonak Ag Audio amplification apparatus
WO2005125272A1 (en) * 2004-06-16 2005-12-29 Matsushita Electric Industrial Co., Ltd. Howling suppression device, program, integrated circuit, and howling suppression method
DE102005019149B3 (en) * 2005-04-25 2006-08-31 Siemens Audiologische Technik Gmbh Hearing aid system with compensation for acoustic and electromagnetic feedback signals and having a delay member between the receiver and the signal processor
US7852247B2 (en) * 2006-12-05 2010-12-14 Texas Instruments Incorporated Mixed-signal filter
US9113245B2 (en) * 2011-09-30 2015-08-18 Sennheiser Electronic Gmbh & Co. Kg Headset and earphone
DK3288285T3 (en) * 2016-08-26 2019-11-18 Starkey Labs Inc METHOD AND DEVICE FOR ROBUST ACOUSTIC FEEDBACK REPRESSION

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH664632A5 (en) * 1984-08-16 1988-03-15 Landis & Gyr Ag CIRCUIT ARRANGEMENT FOR COMPENSATING VARIATIONS OF THE TRANSMISSION FACTOR OF A MAGNETIC FIELD SENSOR.
US5197104A (en) * 1991-04-18 1993-03-23 Josef Lakatos Electrodynamic loudspeaker with electromagnetic impedance sensor coil
US5471504A (en) * 1994-04-14 1995-11-28 Computer & Communication Research Laboratories Bilinear decision feedback equalizer
US5717772A (en) * 1995-08-07 1998-02-10 Motorola, Inc. Method and apparatus for suppressing acoustic feedback in an audio system
US5842115A (en) * 1996-01-25 1998-11-24 Ericsson Inc. Time-duplex wireless telephone with improved hearing-aid compatibility
US6219427B1 (en) * 1997-11-18 2001-04-17 Gn Resound As Feedback cancellation improvements
US6876751B1 (en) * 1998-09-30 2005-04-05 House Ear Institute Band-limited adaptive feedback canceller for hearing aids
US6738485B1 (en) * 1999-05-10 2004-05-18 Peter V. Boesen Apparatus, method and system for ultra short range communication
US7043041B2 (en) * 2000-10-04 2006-05-09 Sonionmicrotronic Nederland B.V. Integrated telecoil amplifier with signal processing
DE10223544C1 (en) * 2002-05-27 2003-07-24 Siemens Audiologische Technik Amplifier device for hearing aid with microphone and pick-up coil inputs, has amplifier provided with separate filters for acoustic and inductive feedback compensation
DE10245667B4 (en) * 2002-09-30 2004-12-30 Siemens Audiologische Technik Gmbh Feedback compensator in an acoustic amplification system, hearing aid, method for feedback compensation and application of the method in a hearing aid
EP1600791B1 (en) * 2004-05-26 2009-04-01 Honda Research Institute Europe GmbH Sound source localization based on binaural signals

Also Published As

Publication number Publication date
US20030133579A1 (en) 2003-07-17
WO2001054452A1 (en) 2001-07-26
US7155022B2 (en) 2006-12-26
EP1119218A1 (en) 2001-07-25
DK1119218T3 (en) 2018-09-10
EP1119218B1 (en) 2018-06-20

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