CH625095A5 - - Google Patents

Download PDF

Info

Publication number
CH625095A5
CH625095A5 CH1111377A CH1111377A CH625095A5 CH 625095 A5 CH625095 A5 CH 625095A5 CH 1111377 A CH1111377 A CH 1111377A CH 1111377 A CH1111377 A CH 1111377A CH 625095 A5 CH625095 A5 CH 625095A5
Authority
CH
Switzerland
Prior art keywords
filter
transistor
frequency
resistor
hearing aid
Prior art date
Application number
CH1111377A
Other languages
German (de)
English (en)
Inventor
Friedrich Harless
Original Assignee
Siemens Ag
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 Ag filed Critical Siemens Ag
Publication of CH625095A5 publication Critical patent/CH625095A5/de

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
    • H04R25/50—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)
CH1111377A 1976-12-22 1977-09-12 CH625095A5 (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2658301A DE2658301C2 (de) 1976-12-22 1976-12-22 Hörgerät

Publications (1)

Publication Number Publication Date
CH625095A5 true CH625095A5 (it) 1981-08-31

Family

ID=5996314

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1111377A CH625095A5 (it) 1976-12-22 1977-09-12

Country Status (6)

Country Link
US (1) US4119814A (it)
AT (1) AT353866B (it)
CH (1) CH625095A5 (it)
DE (1) DE2658301C2 (it)
DK (1) DK145250B (it)
NL (1) NL7711039A (it)

Families Citing this family (29)

* Cited by examiner, † Cited by third party
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
EP0219025B1 (de) * 1985-10-16 1990-06-13 Siemens Aktiengesellschaft Hörgerät
US4934770A (en) * 1986-03-12 1990-06-19 Beltone Electronics Electronic compression system
US4792977A (en) * 1986-03-12 1988-12-20 Beltone Electronics Corporation Hearing aid circuit
US4912393A (en) * 1986-03-12 1990-03-27 Beltone Electronics Corporation Voltage regulator with variable reference outputs for a hearing aid
US4922131A (en) * 1986-03-12 1990-05-01 Beltone Electronics Corporation Differential voltage threshold detector
US4952867A (en) * 1986-03-12 1990-08-28 Beltone Electronics Corporation Base bias current compensator
US4829270A (en) * 1986-03-12 1989-05-09 Beltone Electronics Corporation Compansion 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
DE59008542D1 (de) * 1990-07-25 1995-03-30 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
US6937738B2 (en) * 2001-04-12 2005-08-30 Gennum Corporation Digital hearing aid system
US6633202B2 (en) 2001-04-12 2003-10-14 Gennum Corporation Precision low jitter oscillator circuit
DE60209161T2 (de) * 2001-04-18 2006-10-05 Gennum Corp., Burlington Mehrkanal Hörgerät mit Übertragungsmöglichkeiten zwischen den Kanälen
ATE380347T1 (de) * 2001-04-18 2007-12-15 Gennum Corp Digitaler quasi-mittelwertdetektor
US20020191800A1 (en) * 2001-04-19 2002-12-19 Armstrong Stephen W. In-situ transducer modeling in a digital hearing instrument
ATE526792T1 (de) * 2001-08-15 2011-10-15 Sound Design Technologies Ltd Rekonfigurierbare hörhilfevorrichtung mit niedrigem leistungsverbrauch

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3015704A (en) * 1960-10-24 1962-01-02 Maico Electronics Inc Acoustical apparatus

Also Published As

Publication number Publication date
DK145250B (da) 1982-10-11
DE2658301C2 (de) 1978-12-07
US4119814A (en) 1978-10-10
AT353866B (de) 1979-12-10
ATA780077A (de) 1979-05-15
NL7711039A (nl) 1978-06-26
DE2658301B1 (de) 1978-04-20
DK570677A (da) 1978-06-23

Similar Documents

Publication Publication Date Title
DE2658301C2 (de) Hörgerät
DE2236709C2 (de) Einstellbares Bandpaßfilter
DE2406258C2 (de) Schaltung zur automatischen Dynamik-Kompression oder -Expansion
DE2262089B2 (de) Schaltungsanordnung zur elektronischen Frequenzbeeinflussung, insbesondere elektronischer Klangeinsteller
DE2617888A1 (de) Eingangsfiltergeraet fuer eine lautsprecheranlage
DE3406899C2 (it)
DE3224614A1 (de) Elektrisches hoergeraet
DE2102866C3 (de) Schaltung mit einem Signalkanal
EP0363714B1 (de) Integrierter Kompressionsverstärker mit programmierbarer Schwellspannung
DE3024014C2 (de) Wechsel-Gleichspannungswandler in Form einer integrierten Schaltung
EP0485357B1 (de) Hörgerät mit Filterschaltung
DE2743855C2 (de) Hörgerät
DE2316939A1 (de) Elektrische hoerhilfeschaltung
DE2755827A1 (de) Schaltungsanordnung mit einem durch eine steuergleichspannung veraenderbaren frequenzgang
DE3202951C2 (de) Dynamikdehner
DE2454187C3 (de) Schaltungsanordnung für HF-Eingangsstufen eines Fernsehempfängers
DE2711520C3 (de) Belastungsschaltung für eine Signalquelle
DE3141420C2 (it)
DE2641525B2 (de) Verstarker mit einstellbarer Verstärkung
DE2515502C3 (de) Signalfrequenzband-Steueranordnung
AT393576B (de) Schaltungsanordnung zur elektronischen pegelsteuerung eines tonsignals
DE2402801C2 (de) Transistor-Hörgeräteverstärker mit automatischer Verstärkungsregelung
DE3109441A1 (de) Operationsverstaerker mit erhoehter einschwinggeschwindigkeit
CH198562A (de) Einrichtung zur Verminderung der von atmosphärischen Störungen und dergl. herrührenden Knackgeräusche bei Empfängern für modulierte Hochfrequenz.
DE3008033A1 (de) Vorrichtung zur unterdrueckung von knackgeraeuschen beim umschalten elektrischer signale

Legal Events

Date Code Title Description
PL Patent ceased