DK176643B1 - Klirdæmpning ved höreapparater med AGC - Google Patents
Klirdæmpning ved höreapparater med AGC Download PDFInfo
- Publication number
- DK176643B1 DK176643B1 DK199700291A DK29197A DK176643B1 DK 176643 B1 DK176643 B1 DK 176643B1 DK 199700291 A DK199700291 A DK 199700291A DK 29197 A DK29197 A DK 29197A DK 176643 B1 DK176643 B1 DK 176643B1
- Authority
- DK
- Denmark
- Prior art keywords
- signal
- time
- control
- amplifier
- amplifier circuit
- Prior art date
Links
- 238000000034 method Methods 0.000 claims description 24
- 230000008859 change Effects 0.000 claims description 17
- 230000001419 dependent effect Effects 0.000 claims description 11
- 230000010355 oscillation Effects 0.000 claims description 11
- 230000008569 process Effects 0.000 claims description 8
- 230000003321 amplification Effects 0.000 claims description 5
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 5
- 230000004044 response Effects 0.000 claims description 5
- 230000003068 static effect Effects 0.000 claims description 4
- 230000006978 adaptation Effects 0.000 claims description 2
- 230000000763 evoking effect Effects 0.000 claims description 2
- 230000003827 upregulation Effects 0.000 claims 2
- 239000003990 capacitor Substances 0.000 description 5
- 230000007423 decrease Effects 0.000 description 4
- 238000013016 damping Methods 0.000 description 2
- 230000004913 activation Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000035807 sensation 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
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
- H03F1/32—Modifications of amplifiers to reduce non-linear distortion
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
- H03F1/34—Negative-feedback-circuit arrangements with or without positive feedback
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G3/00—Gain control in amplifiers or frequency changers
- H03G3/20—Automatic control
- H03G3/30—Automatic control in amplifiers having semiconductor devices
- H03G3/3005—Automatic control in amplifiers having semiconductor devices in amplifiers suitable for low-frequencies, e.g. audio amplifiers
- H03G3/301—Automatic control in amplifiers having semiconductor devices in amplifiers suitable for low-frequencies, e.g. audio amplifiers the gain being continuously variable
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/393—A measuring circuit being coupled to the output of an amplifier
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/504—Indexing scheme relating to amplifiers the supply voltage or current being continuously controlled by a controlling signal, e.g. the controlling signal of a transistor implemented as variable resistor in a supply path for, an IC-block showed amplifier
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/507—A switch being used for switching on or off a supply or supplying circuit in an IC-block amplifier circuit
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Health & Medical Sciences (AREA)
- Multimedia (AREA)
- Health & Medical Sciences (AREA)
- Nonlinear Science (AREA)
- Neurosurgery (AREA)
- Otolaryngology (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Amplifiers (AREA)
- Control Of Amplification And Gain Control (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19611026 | 1996-03-20 | ||
DE19611026A DE19611026C2 (de) | 1996-03-20 | 1996-03-20 | Klirrunterdrückung bei Hörgeräten mit AGC |
Publications (2)
Publication Number | Publication Date |
---|---|
DK29197A DK29197A (da) | 1997-09-21 |
DK176643B1 true DK176643B1 (da) | 2009-01-12 |
Family
ID=7788897
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK199700291A DK176643B1 (da) | 1996-03-20 | 1997-03-17 | Klirdæmpning ved höreapparater med AGC |
Country Status (4)
Country | Link |
---|---|
US (1) | US5912977A (de) |
CH (1) | CH691787A5 (de) |
DE (1) | DE19611026C2 (de) |
DK (1) | DK176643B1 (de) |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7489790B2 (en) * | 2000-12-05 | 2009-02-10 | Ami Semiconductor, Inc. | Digital automatic gain control |
US6445859B1 (en) | 2000-12-20 | 2002-09-03 | Alcatel | Central cavity cable with a predetermined gap that facilitates opening of the outer sheath |
US6633202B2 (en) | 2001-04-12 | 2003-10-14 | Gennum Corporation | Precision low jitter oscillator circuit |
EP1251714B2 (de) | 2001-04-12 | 2015-06-03 | Sound Design Technologies Ltd. | Digitales Hörgerätsystem |
US7076073B2 (en) * | 2001-04-18 | 2006-07-11 | Gennum Corporation | Digital quasi-RMS detector |
EP1251715B2 (de) | 2001-04-18 | 2010-12-01 | Sound Design Technologies Ltd. | Mehrkanal Hörgerät mit Übertragungsmöglichkeiten zwischen den Kanälen |
US20020191800A1 (en) * | 2001-04-19 | 2002-12-19 | Armstrong Stephen W. | In-situ transducer modeling in a digital hearing instrument |
DK1284587T3 (da) | 2001-08-15 | 2011-10-31 | Sound Design Technologies Ltd | Rekonfigurerbar lavenergi-høreindretning |
US7556597B2 (en) * | 2003-11-07 | 2009-07-07 | Otologics, Llc | Active vibration attenuation for implantable microphone |
US7214179B2 (en) * | 2004-04-01 | 2007-05-08 | Otologics, Llc | Low acceleration sensitivity microphone |
US7840020B1 (en) | 2004-04-01 | 2010-11-23 | Otologics, Llc | Low acceleration sensitivity microphone |
US7463745B2 (en) * | 2004-04-09 | 2008-12-09 | Otologic, Llc | Phase based feedback oscillation prevention in hearing aids |
WO2006076531A2 (en) * | 2005-01-11 | 2006-07-20 | Otologics, Llc | Active vibration attenuation for implantable microphone |
US8096937B2 (en) * | 2005-01-11 | 2012-01-17 | Otologics, Llc | Adaptive cancellation system for implantable hearing instruments |
US7522738B2 (en) * | 2005-11-30 | 2009-04-21 | Otologics, Llc | Dual feedback control system for implantable hearing instrument |
US8472654B2 (en) * | 2007-10-30 | 2013-06-25 | Cochlear Limited | Observer-based cancellation system for implantable hearing instruments |
EP2418770A1 (de) | 2010-07-29 | 2012-02-15 | Nxp B.V. | Automatische Verstärkungsregelung |
US10284968B2 (en) | 2015-05-21 | 2019-05-07 | Cochlear Limited | Advanced management of an implantable sound management system |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2353696B2 (de) * | 1973-10-26 | 1978-12-14 | Robert Bosch Gmbh, 7000 Stuttgart | Schwerhörigengerät mit einer automatischen Verstärkungsregelung |
JPH06260866A (ja) * | 1993-03-04 | 1994-09-16 | Mitsubishi Electric Corp | 自動出力電力制御回路装置 |
JP2924644B2 (ja) * | 1994-06-15 | 1999-07-26 | 三菱電機株式会社 | 送信電力制御回路、基地局、移動機及び移動体通信システム |
-
1996
- 1996-03-20 DE DE19611026A patent/DE19611026C2/de not_active Expired - Fee Related
-
1997
- 1997-01-28 CH CH00170/97A patent/CH691787A5/de not_active IP Right Cessation
- 1997-03-11 US US08/814,242 patent/US5912977A/en not_active Expired - Lifetime
- 1997-03-17 DK DK199700291A patent/DK176643B1/da not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
US5912977A (en) | 1999-06-15 |
DK29197A (da) | 1997-09-21 |
DE19611026C2 (de) | 2001-09-20 |
DE19611026C1 (de) | 1997-06-12 |
CH691787A5 (de) | 2001-10-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PBP | Patent lapsed |
Effective date: 20130331 |