DK145250B - Hoereapparat - Google Patents
Hoereapparat Download PDFInfo
- Publication number
- DK145250B DK145250B DK570677AA DK570677A DK145250B DK 145250 B DK145250 B DK 145250B DK 570677A A DK570677A A DK 570677AA DK 570677 A DK570677 A DK 570677A DK 145250 B DK145250 B DK 145250B
- Authority
- DK
- Denmark
- Prior art keywords
- resistor
- frequency
- filter
- transistor
- coupling
- Prior art date
Links
- 239000003990 capacitor Substances 0.000 description 30
- 230000008878 coupling Effects 0.000 description 22
- 238000010168 coupling process Methods 0.000 description 22
- 238000005859 coupling reaction Methods 0.000 description 22
- 230000006870 function Effects 0.000 description 7
- 230000000903 blocking effect Effects 0.000 description 5
- 230000008859 change Effects 0.000 description 5
- 230000004044 response Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 4
- 230000006641 stabilisation Effects 0.000 description 4
- 238000011105 stabilization Methods 0.000 description 4
- 238000013016 damping Methods 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 230000009977 dual effect Effects 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000004513 sizing Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000003292 diminished effect Effects 0.000 description 1
- 238000004049 embossing Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 230000001502 supplementing effect Effects 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
- H04R25/50—Customised settings for obtaining desired overall acoustical characteristics
- H04R25/502—Customised settings for obtaining desired overall acoustical characteristics using analog signal processing
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G5/00—Tone control or bandwidth control in amplifiers
- H03G5/02—Manually-operated control
- H03G5/04—Manually-operated control in untuned amplifiers
- H03G5/10—Manually-operated control in untuned amplifiers having semiconductor devices
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G9/00—Combinations of two or more types of control, e.g. gain control and tone control
- H03G9/02—Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers
- H03G9/12—Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers having semiconductor devices
- H03G9/14—Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers having semiconductor devices for gain control and tone control
-
- 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
- H04R3/04—Circuits for transducers, loudspeakers or microphones for correcting frequency response
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)
- Networks Using Active Elements (AREA)
- Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2658301 | 1976-12-22 | ||
| DE2658301A DE2658301C2 (de) | 1976-12-22 | 1976-12-22 | Hörgerät |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DK570677A DK570677A (da) | 1978-06-23 |
| DK145250B true DK145250B (da) | 1982-10-11 |
Family
ID=5996314
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DK570677AA DK145250B (da) | 1976-12-22 | 1977-12-21 | Hoereapparat |
Country Status (6)
Families Citing this family (29)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2931482A1 (de) * | 1979-08-03 | 1981-02-19 | Bosch Gmbh Robert | Abstimmbares aktives hochpassfilter fuer hoergeraete |
| US4405831A (en) * | 1980-12-22 | 1983-09-20 | The Regents Of The University Of California | Apparatus for selective noise suppression for hearing aids |
| JPS5857199U (ja) * | 1981-10-13 | 1983-04-18 | リオン株式会社 | 補聴器 |
| DE3141420A1 (de) * | 1981-10-19 | 1983-05-05 | Siemens AG, 1000 Berlin und 8000 München | Hoergeraet |
| FR2570239B1 (fr) * | 1984-09-07 | 1988-07-15 | Centre Nat Rech Scient | Ecouteur, combine telephonique et casque d'ecoute destines a corriger les deficiences auditives individuelles |
| DE3542566A1 (de) * | 1984-12-21 | 1986-07-03 | Danavox A/S, Kopenhagen/Koebenhavn | Verfahren zum einregulieren eines hoergeraets, ein hoergeraet und dessen verwendung |
| DE3672082D1 (de) * | 1985-10-16 | 1990-07-19 | Siemens Ag | Hoergeraet. |
| US4922131A (en) * | 1986-03-12 | 1990-05-01 | Beltone Electronics Corporation | Differential voltage threshold detector |
| US4829270A (en) * | 1986-03-12 | 1989-05-09 | Beltone Electronics Corporation | Compansion system |
| US4912393A (en) * | 1986-03-12 | 1990-03-27 | Beltone Electronics Corporation | Voltage regulator with variable reference outputs for a hearing aid |
| US4952867A (en) * | 1986-03-12 | 1990-08-28 | Beltone Electronics Corporation | Base bias current compensator |
| US4792977A (en) * | 1986-03-12 | 1988-12-20 | Beltone Electronics Corporation | Hearing aid circuit |
| US4934770A (en) * | 1986-03-12 | 1990-06-19 | Beltone Electronics | Electronic compression system |
| US4790018A (en) * | 1987-02-11 | 1988-12-06 | Argosy Electronics | Frequency selection circuit for hearing aids |
| DE3734946A1 (de) * | 1987-10-15 | 1989-05-03 | Siemens Ag | Hoergeraet mit moeglichkeit zum telefonieren |
| US4941179A (en) * | 1988-04-27 | 1990-07-10 | Gn Davavox A/S | Method for the regulation of a hearing aid, a hearing aid and the use thereof |
| US5111506A (en) * | 1989-03-02 | 1992-05-05 | Ensonig Corporation | Power efficient hearing aid |
| US5303306A (en) * | 1989-06-06 | 1994-04-12 | Audioscience, Inc. | Hearing aid with programmable remote and method of deriving settings for configuring the hearing aid |
| ATE118928T1 (de) * | 1990-07-25 | 1995-03-15 | Siemens Audiologische Technik | Hörgeräteschaltung mit einer endstufe mit einer begrenzungseinrichtung. |
| AT407103B (de) * | 1990-11-07 | 2000-12-27 | Viennatone Gmbh | Hörgerät mit filterschaltung |
| US5285502A (en) * | 1992-03-31 | 1994-02-08 | Auditory System Technologies, Inc. | Aid to hearing speech in a noisy environment |
| US5406633A (en) * | 1992-11-03 | 1995-04-11 | Auditory System Technologies, Inc. | Hearing aid with permanently adjusted frequency response |
| US5550923A (en) * | 1994-09-02 | 1996-08-27 | Minnesota Mining And Manufacturing Company | Directional ear device with adaptive bandwidth and gain control |
| US6633202B2 (en) | 2001-04-12 | 2003-10-14 | Gennum Corporation | Precision low jitter oscillator circuit |
| EP1251714B2 (en) * | 2001-04-12 | 2015-06-03 | Sound Design Technologies Ltd. | Digital hearing aid system |
| ATE380347T1 (de) * | 2001-04-18 | 2007-12-15 | Gennum Corp | Digitaler quasi-mittelwertdetektor |
| US7181034B2 (en) * | 2001-04-18 | 2007-02-20 | Gennum Corporation | Inter-channel communication in a multi-channel digital hearing instrument |
| US20020191800A1 (en) * | 2001-04-19 | 2002-12-19 | Armstrong Stephen W. | In-situ transducer modeling in a digital hearing instrument |
| EP1284587B1 (en) * | 2001-08-15 | 2011-09-28 | Sound Design Technologies Ltd. | Low-power reconfigurable hearing instrument |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3015704A (en) * | 1960-10-24 | 1962-01-02 | Maico Electronics Inc | Acoustical apparatus |
-
1976
- 1976-12-22 DE DE2658301A patent/DE2658301C2/de not_active Expired
-
1977
- 1977-09-12 CH CH1111377A patent/CH625095A5/de not_active IP Right Cessation
- 1977-10-07 NL NL7711039A patent/NL7711039A/xx not_active Application Discontinuation
- 1977-11-02 AT AT780077A patent/AT353866B/de not_active IP Right Cessation
- 1977-12-02 US US05/856,971 patent/US4119814A/en not_active Expired - Lifetime
- 1977-12-21 DK DK570677AA patent/DK145250B/da not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| ATA780077A (de) | 1979-05-15 |
| DE2658301B1 (de) | 1978-04-20 |
| DK570677A (da) | 1978-06-23 |
| AT353866B (de) | 1979-12-10 |
| DE2658301C2 (de) | 1978-12-07 |
| CH625095A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1981-08-31 |
| US4119814A (en) | 1978-10-10 |
| NL7711039A (nl) | 1978-06-26 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PRF | Application refused |