DE2336319A1 - Verfahren zur rueckkopplungsstabilisierung und miniatur-tonverstaerkersystem, insbesondere fuer schwerhoerigengeraete - Google Patents
Verfahren zur rueckkopplungsstabilisierung und miniatur-tonverstaerkersystem, insbesondere fuer schwerhoerigengeraeteInfo
- Publication number
- DE2336319A1 DE2336319A1 DE19732336319 DE2336319A DE2336319A1 DE 2336319 A1 DE2336319 A1 DE 2336319A1 DE 19732336319 DE19732336319 DE 19732336319 DE 2336319 A DE2336319 A DE 2336319A DE 2336319 A1 DE2336319 A1 DE 2336319A1
- Authority
- DE
- Germany
- Prior art keywords
- sound
- microphone
- loudspeaker
- acoustic
- amplifier
- 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.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims description 15
- 230000006641 stabilisation Effects 0.000 title description 4
- 238000011105 stabilization Methods 0.000 title description 4
- 230000008878 coupling Effects 0.000 claims description 38
- 238000010168 coupling process Methods 0.000 claims description 38
- 238000005859 coupling reaction Methods 0.000 claims description 38
- 230000004044 response Effects 0.000 claims description 19
- 239000012528 membrane Substances 0.000 claims description 16
- 230000008859 change Effects 0.000 claims description 4
- 230000000087 stabilizing effect Effects 0.000 claims 1
- 208000032041 Hearing impaired Diseases 0.000 description 5
- 230000005236 sound signal Effects 0.000 description 4
- 230000003321 amplification Effects 0.000 description 3
- 238000003199 nucleic acid amplification method Methods 0.000 description 3
- 238000005192 partition Methods 0.000 description 2
- 230000010363 phase shift Effects 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 239000004927 clay Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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
- H04R3/00—Circuits for transducers, loudspeakers or microphones
- H04R3/002—Damping circuit arrangements for transducers, e.g. motional feedback circuits
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Neurosurgery (AREA)
- Otolaryngology (AREA)
- Amplifiers (AREA)
- Circuit For Audible Band Transducer (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US27460772A | 1972-07-24 | 1972-07-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2336319A1 true DE2336319A1 (de) | 1974-02-14 |
Family
ID=23048911
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19732336319 Pending DE2336319A1 (de) | 1972-07-24 | 1973-07-17 | Verfahren zur rueckkopplungsstabilisierung und miniatur-tonverstaerkersystem, insbesondere fuer schwerhoerigengeraete |
Country Status (6)
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5188087A (en) * | 1975-01-30 | 1976-08-02 | Hoonpaipurainno roeichitenkenshutsuhoho | |
| JPS52125251A (en) * | 1976-02-23 | 1977-10-20 | Bio Communication Res | Electric filter and method of designing same |
| US4232192A (en) * | 1978-05-01 | 1980-11-04 | Starkey Labs, Inc. | Moving-average notch filter |
| JPS6214470Y2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1979-08-07 | 1987-04-13 | ||
| US4622440A (en) * | 1984-04-11 | 1986-11-11 | In Tech Systems Corp. | Differential hearing aid with programmable frequency response |
| US4852177A (en) * | 1986-08-28 | 1989-07-25 | Sensesonics, Inc. | High fidelity earphone and hearing aid |
| DK159357C (da) * | 1988-03-18 | 1991-03-04 | Oticon As | Hoereapparat, navnlig til anbringelse i oeret |
| US4988333A (en) * | 1988-09-09 | 1991-01-29 | Storz Instrument Company | Implantable middle ear hearing aid system and acoustic coupler therefor |
| US5085628A (en) * | 1988-09-09 | 1992-02-04 | Storz Instrument Company | Implantable hearing aid coupler device |
| US5259033A (en) * | 1989-08-30 | 1993-11-02 | Gn Danavox As | Hearing aid having compensation for acoustic feedback |
| US5068901A (en) * | 1990-05-01 | 1991-11-26 | Knowles Electronics, Inc. | Dual outlet passage hearing aid transducer |
| US6353671B1 (en) * | 1998-02-05 | 2002-03-05 | Bioinstco Corp. | Signal processing circuit and method for increasing speech intelligibility |
| US6480610B1 (en) * | 1999-09-21 | 2002-11-12 | Sonic Innovations, Inc. | Subband acoustic feedback cancellation in hearing aids |
| US8147544B2 (en) | 2001-10-30 | 2012-04-03 | Otokinetics Inc. | Therapeutic appliance for cochlea |
| US7995782B2 (en) * | 2007-01-29 | 2011-08-09 | Siemens Hearing Instruments, Inc. | Combined receiver and ear-canal microphone assembly for a hearing instrument |
| EP3491844A4 (en) * | 2016-08-01 | 2020-08-05 | Blueprint Acoustics Pty Ltd | DISTORTION MANAGEMENT APPARATUS IN A SIGNAL PATH AND METHOD |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3439129A (en) * | 1966-01-28 | 1969-04-15 | Sonotone Corp | Acoustic frequency response adjustment |
| NL146670B (nl) * | 1967-06-09 | 1975-07-15 | Philips Nv | Inrichting met een transistorversterker. |
| FR1551250A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1967-11-23 | 1968-12-27 |
-
1972
- 1972-07-24 US US00274607A patent/US3763333A/en not_active Expired - Lifetime
-
1973
- 1973-07-02 GB GB3143373A patent/GB1404279A/en not_active Expired
- 1973-07-10 CA CA176,062A patent/CA973481A/en not_active Expired
- 1973-07-17 DE DE19732336319 patent/DE2336319A1/de active Pending
- 1973-07-17 JP JP48082440A patent/JPS4946803A/ja active Pending
- 1973-07-18 FR FR7326368A patent/FR2194080B1/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB1404279A (en) | 1975-08-28 |
| CA973481A (en) | 1975-08-26 |
| FR2194080A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1974-02-22 |
| FR2194080B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1978-02-17 |
| US3763333A (en) | 1973-10-02 |
| JPS4946803A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1974-05-07 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OHA | Expiration of time for request for examination |