IT993616B - Apparecchio acustico con entrata bidirezionale regolabile al microfono - Google Patents

Apparecchio acustico con entrata bidirezionale regolabile al microfono

Info

Publication number
IT993616B
IT993616B IT26959/73A IT2695973A IT993616B IT 993616 B IT993616 B IT 993616B IT 26959/73 A IT26959/73 A IT 26959/73A IT 2695973 A IT2695973 A IT 2695973A IT 993616 B IT993616 B IT 993616B
Authority
IT
Italy
Prior art keywords
hearing aid
microphone input
bidirectional microphone
adjustable bidirectional
adjustable
Prior art date
Application number
IT26959/73A
Other languages
English (en)
Original Assignee
Gould Inc
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 Gould Inc filed Critical Gould Inc
Application granted granted Critical
Publication of IT993616B publication Critical patent/IT993616B/it

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R25/00—Electric hearing aids
    • H04R25/40—Arrangements for obtaining a desired directivity characteristic
    • H04R25/402—Arrangements for obtaining a desired directivity characteristic using contructional means
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/32—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only
    • H04R1/34—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means
    • H04R1/342—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means for microphones

Landscapes

  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • General Health & Medical Sciences (AREA)
  • Neurosurgery (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
  • Details Of Valves (AREA)
IT26959/73A 1972-07-24 1973-07-24 Apparecchio acustico con entrata bidirezionale regolabile al microfono IT993616B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US27444872A 1972-07-24 1972-07-24

Publications (1)

Publication Number Publication Date
IT993616B true IT993616B (it) 1975-09-30

Family

ID=23048240

Family Applications (1)

Application Number Title Priority Date Filing Date
IT26959/73A IT993616B (it) 1972-07-24 1973-07-24 Apparecchio acustico con entrata bidirezionale regolabile al microfono

Country Status (3)

Country Link
US (1) US3798390A (it)
CH (1) CH568695A5 (it)
IT (1) IT993616B (it)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3836732A (en) * 1972-09-07 1974-09-17 Audivox Inc Hearing aid having selectable directional characteristics
NL7306005A (it) * 1973-05-01 1974-11-05
US3963881A (en) * 1973-05-29 1976-06-15 Thermo Electron Corporation Unidirectional condenser microphone
DE3224614A1 (de) * 1982-07-01 1984-01-05 Siemens AG, 1000 Berlin und 8000 München Elektrisches hoergeraet
US5757933A (en) 1996-12-11 1998-05-26 Micro Ear Technology, Inc. In-the-ear hearing aid with directional microphone system
US6798890B2 (en) 2000-10-05 2004-09-28 Etymotic Research, Inc. Directional microphone assembly
US5878147A (en) * 1996-12-31 1999-03-02 Etymotic Research, Inc. Directional microphone assembly
DE19829637C2 (de) * 1998-07-02 2000-10-19 Implex Hear Tech Ag Medizinisches Implantat
EP0984666A3 (en) * 1998-08-06 2001-09-19 Resistance Technology, Inc. Hearing aid microphone and housing
US6597793B1 (en) 1998-08-06 2003-07-22 Resistance Technology, Inc. Directional/omni-directional hearing aid microphone and housing
DE20009593U1 (de) * 2000-05-30 2000-08-10 AS Audio Service GmbH, 32051 Herford Hörgerätewinkel für HdO-Hörgeräte
US7369669B2 (en) * 2002-05-15 2008-05-06 Micro Ear Technology, Inc. Diotic presentation of second-order gradient directional hearing aid signals
US7369671B2 (en) 2002-09-16 2008-05-06 Starkey, Laboratories, Inc. Switching structures for hearing aid
US8284970B2 (en) 2002-09-16 2012-10-09 Starkey Laboratories Inc. Switching structures for hearing aid
US9774961B2 (en) 2005-06-05 2017-09-26 Starkey Laboratories, Inc. Hearing assistance device ear-to-ear communication using an intermediate device
US8041066B2 (en) 2007-01-03 2011-10-18 Starkey Laboratories, Inc. Wireless system for hearing communication devices providing wireless stereo reception modes
US8208642B2 (en) 2006-07-10 2012-06-26 Starkey Laboratories, Inc. Method and apparatus for a binaural hearing assistance system using monaural audio signals
WO2008128300A1 (en) * 2007-04-23 2008-10-30 Cochlear Limited Implant assembly
US7832080B2 (en) * 2007-10-11 2010-11-16 Etymotic Research, Inc. Directional microphone assembly
US8644533B2 (en) * 2008-12-31 2014-02-04 Starkey Laboratories, Inc. Method and apparatus for hearing assistance device microphones
US8737653B2 (en) 2009-12-30 2014-05-27 Starkey Laboratories, Inc. Noise reduction system for hearing assistance devices
US10003379B2 (en) 2014-05-06 2018-06-19 Starkey Laboratories, Inc. Wireless communication with probing bandwidth
US11991503B2 (en) 2019-11-20 2024-05-21 Starkey Laboratories, Inc. Hearing assistance device with multipurpose microphone

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US27487A (en) * 1860-03-13 Straw-cutter
US3201528A (en) * 1962-07-20 1965-08-17 Audivox Inc Multi-directional hearing aid
NL6604014A (it) * 1966-03-26 1967-09-27
US3458668A (en) * 1966-12-06 1969-07-29 Willco Horgerate Medizinische Directional hearing aid
US3491214A (en) * 1967-01-12 1970-01-20 Otarion Electronics Inc Hearing aid with adjustable sound inlet means

Also Published As

Publication number Publication date
CH568695A5 (it) 1975-10-31
DE2330082A1 (de) 1974-02-14
DE2330082B2 (de) 1977-01-13
US3798390A (en) 1974-03-19

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