AU2001274417A1 - A directional microphone - Google Patents

A directional microphone

Info

Publication number
AU2001274417A1
AU2001274417A1 AU2001274417A AU7441701A AU2001274417A1 AU 2001274417 A1 AU2001274417 A1 AU 2001274417A1 AU 2001274417 A AU2001274417 A AU 2001274417A AU 7441701 A AU7441701 A AU 7441701A AU 2001274417 A1 AU2001274417 A1 AU 2001274417A1
Authority
AU
Australia
Prior art keywords
directional microphone
microphone
directional
Prior art date
Legal status (The legal status 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 status listed.)
Abandoned
Application number
AU2001274417A
Other languages
English (en)
Inventor
Mike Geskus
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Microtonic Nederland BV
Original Assignee
Microtonic Nederland BV
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 Microtonic Nederland BV filed Critical Microtonic Nederland BV
Publication of AU2001274417A1 publication Critical patent/AU2001274417A1/en
Abandoned legal-status Critical Current

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
    • H04R25/40—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; DEAF-AID SETS; 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; 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
    • H04R1/38—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 in which sound waves act upon both sides of a diaphragm and incorporating acoustic phase-shifting means, e.g. pressure-gradient microphone
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; 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
    • H04R1/40—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by combining a number of identical transducers
    • H04R1/406—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by combining a number of identical transducers 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)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
AU2001274417A 2000-07-06 2001-07-02 A directional microphone Abandoned AU2001274417A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US21646300P 2000-07-06 2000-07-06
US60/216,463 2000-07-06
PCT/IB2001/001166 WO2002003752A2 (fr) 2000-07-06 2001-07-02 Microphone directionnel

Publications (1)

Publication Number Publication Date
AU2001274417A1 true AU2001274417A1 (en) 2002-01-14

Family

ID=22807167

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2001274417A Abandoned AU2001274417A1 (en) 2000-07-06 2001-07-02 A directional microphone

Country Status (4)

Country Link
US (1) US20020006211A1 (fr)
EP (1) EP1302091A2 (fr)
AU (1) AU2001274417A1 (fr)
WO (1) WO2002003752A2 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10260304B3 (de) * 2002-12-20 2004-07-08 Siemens Audiologische Technik Gmbh Hörgerätesystem mit seitenspezifisch ausgebildeten hinter den Ohren tragbaren Hörhilfegeräten
US9571948B2 (en) * 2012-12-11 2017-02-14 Starkey Laboratories, Inc. Low profile offset spout for hearing assistance device

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5524056A (en) * 1993-04-13 1996-06-04 Etymotic Research, Inc. Hearing aid having plural microphones and a microphone switching system
US5511130A (en) * 1994-05-04 1996-04-23 At&T Corp. Single diaphragm second order differential microphone assembly
US5878147A (en) * 1996-12-31 1999-03-02 Etymotic Research, Inc. Directional microphone assembly
US6151399A (en) * 1996-12-31 2000-11-21 Etymotic Research, Inc. Directional microphone system providing for ease of assembly and disassembly
US6160896A (en) * 1998-05-08 2000-12-12 Motorola, Inc. Variable frequency response microphone porting system

Also Published As

Publication number Publication date
US20020006211A1 (en) 2002-01-17
WO2002003752A2 (fr) 2002-01-10
EP1302091A2 (fr) 2003-04-16
WO2002003752A3 (fr) 2002-12-05

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