DK176643B1 - Klirdæmpning ved höreapparater med AGC - Google Patents

Klirdæmpning ved höreapparater med AGC Download PDF

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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
Application number
DK199700291A
Other languages
Danish (da)
English (en)
Other versions
DK29197A (da
Inventor
Georg Gottschalk-Schoenig
Original Assignee
Siemens Audiologische Technik
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 Siemens Audiologische Technik filed Critical Siemens Audiologische Technik
Publication of DK29197A publication Critical patent/DK29197A/da
Application granted granted Critical
Publication of DK176643B1 publication Critical patent/DK176643B1/da

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
    • 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)
DK199700291A 1996-03-20 1997-03-17 Klirdæmpning ved höreapparater med AGC DK176643B1 (da)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

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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PBP Patent lapsed

Effective date: 20130331