ATE69132T1 - Schaltungsanordnung zum erkennen von schwingungen. - Google Patents
Schaltungsanordnung zum erkennen von schwingungen.Info
- Publication number
- ATE69132T1 ATE69132T1 AT88101634T AT88101634T ATE69132T1 AT E69132 T1 ATE69132 T1 AT E69132T1 AT 88101634 T AT88101634 T AT 88101634T AT 88101634 T AT88101634 T AT 88101634T AT E69132 T1 ATE69132 T1 AT E69132T1
- Authority
- AT
- Austria
- Prior art keywords
- circuit
- oscillation
- oscillations
- frequency
- search
- Prior art date
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
- H04R25/45—Prevention of acoustic reaction, i.e. acoustic oscillatory feedback
- H04R25/453—Prevention of acoustic reaction, i.e. acoustic oscillatory feedback electronically
-
- 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
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3704998 | 1987-02-17 | ||
EP88101634A EP0280909B1 (de) | 1987-02-17 | 1988-02-04 | Schaltungsanordnung zum Erkennen von Schwingungen |
Publications (1)
Publication Number | Publication Date |
---|---|
ATE69132T1 true ATE69132T1 (de) | 1991-11-15 |
Family
ID=6321172
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT88101634T ATE69132T1 (de) | 1987-02-17 | 1988-02-04 | Schaltungsanordnung zum erkennen von schwingungen. |
Country Status (5)
Country | Link |
---|---|
US (1) | US4845757A (de) |
EP (1) | EP0280909B1 (de) |
AT (1) | ATE69132T1 (de) |
DE (1) | DE3865859D1 (de) |
DK (1) | DK169012B1 (de) |
Families Citing this family (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5225836A (en) * | 1988-03-23 | 1993-07-06 | Central Institute For The Deaf | Electronic filters, repeated signal charge conversion apparatus, hearing aids and methods |
US5091952A (en) * | 1988-11-10 | 1992-02-25 | Wisconsin Alumni Research Foundation | Feedback suppression in digital signal processing hearing aids |
US5259033A (en) * | 1989-08-30 | 1993-11-02 | Gn Danavox As | Hearing aid having compensation for acoustic feedback |
JPH06503897A (ja) * | 1990-09-14 | 1994-04-28 | トッドター、クリス | ノイズ消去システム |
US5134658A (en) * | 1990-09-27 | 1992-07-28 | Advanced Micro Devices, Inc. | Apparatus for discriminating information signals from noise signals in a communication signal |
ATE247369T1 (de) * | 1991-01-17 | 2003-08-15 | Roger A Adelman | Verbessertes hörgerät |
US5621802A (en) * | 1993-04-27 | 1997-04-15 | Regents Of The University Of Minnesota | Apparatus for eliminating acoustic oscillation in a hearing aid by using phase equalization |
US5412734A (en) * | 1993-09-13 | 1995-05-02 | Thomasson; Samuel L. | Apparatus and method for reducing acoustic feedback |
US5533120A (en) * | 1994-02-01 | 1996-07-02 | Tandy Corporation | Acoustic feedback cancellation for equalized amplifying systems |
JP2773678B2 (ja) * | 1994-09-09 | 1998-07-09 | ヤマハ株式会社 | ハウリング防止装置 |
US6466678B1 (en) | 1994-11-30 | 2002-10-15 | Etymotic Research, Inc. | Hearing aid having digital damping |
US5812679A (en) * | 1994-11-30 | 1998-09-22 | Killion; Mead | Electronic damper circuit for a hearing aid and a method of using the same |
GB2311186A (en) * | 1996-03-13 | 1997-09-17 | Jan Albert Gadd | Hearing aid feedback detecting and warning device |
US6252967B1 (en) * | 1999-01-21 | 2001-06-26 | Acoustic Technologies, Inc. | Reducing acoustic feedback with digital modulation |
US6480610B1 (en) * | 1999-09-21 | 2002-11-12 | Sonic Innovations, Inc. | Subband acoustic feedback cancellation in hearing aids |
DE10244184B3 (de) * | 2002-09-23 | 2004-04-15 | Siemens Audiologische Technik Gmbh | Feedbackkompensation für Hörgeräte mit Systemabstandsschätzung |
AU2004201374B2 (en) * | 2004-04-01 | 2010-12-23 | Phonak Ag | Audio amplification apparatus |
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 |
US20070106530A1 (en) * | 2004-05-26 | 2007-05-10 | Blamey Peter J | Oscillation suppression |
DE102007007120A1 (de) | 2007-02-13 | 2008-08-21 | Siemens Audiologische Technik Gmbh | Verfahren zum Erzeugen von akustischen Signalen eines Hörgeräts |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4054462A (en) * | 1976-03-01 | 1977-10-18 | The Dow Chemical Company | Method of cementing |
US4091236A (en) * | 1976-09-07 | 1978-05-23 | The University Of Akron | Automatically tunable notch filter and method for suppression of acoustical feedback |
NL7612358A (nl) * | 1976-11-08 | 1978-05-10 | Philips Nv | Versterkerinrichting voor akoestische signalen voorzien van middelen voor het onderdrukken van ongewenste stoorsignalen. |
US4079199A (en) * | 1977-05-25 | 1978-03-14 | Patronis Jr Eugene T | Acoustic feedback detector and automatic gain control |
US4232192A (en) * | 1978-05-01 | 1980-11-04 | Starkey Labs, Inc. | Moving-average notch filter |
-
1988
- 1988-02-04 EP EP88101634A patent/EP0280909B1/de not_active Expired - Lifetime
- 1988-02-04 AT AT88101634T patent/ATE69132T1/de not_active IP Right Cessation
- 1988-02-04 DE DE8888101634T patent/DE3865859D1/de not_active Expired - Fee Related
- 1988-02-04 US US07/152,390 patent/US4845757A/en not_active Expired - Fee Related
- 1988-02-16 DK DK077988A patent/DK169012B1/da not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
US4845757A (en) | 1989-07-04 |
EP0280909B1 (de) | 1991-10-30 |
DK169012B1 (da) | 1994-07-25 |
DK77988A (da) | 1988-08-18 |
DE3865859D1 (de) | 1991-12-05 |
EP0280909A1 (de) | 1988-09-07 |
DK77988D0 (da) | 1988-02-16 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
REN | Ceased due to non-payment of the annual fee |