AU2002332475A1 - Differential microphone - Google Patents

Differential microphone

Info

Publication number
AU2002332475A1
AU2002332475A1 AU2002332475A AU2002332475A AU2002332475A1 AU 2002332475 A1 AU2002332475 A1 AU 2002332475A1 AU 2002332475 A AU2002332475 A AU 2002332475A AU 2002332475 A AU2002332475 A AU 2002332475A AU 2002332475 A1 AU2002332475 A1 AU 2002332475A1
Authority
AU
Australia
Prior art keywords
differential microphone
microphone
differential
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
AU2002332475A
Inventor
Colum Gibbons
Ronald Hoy
Ronald Miles
Daniel Robert
Sanjay Sundermurthy
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.)
STATE UNIVERSITY OF NY BINGHAMTON
Original Assignee
STATE UNIVERSITY OF NY BINGHAM
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 STATE UNIVERSITY OF NY BINGHAM filed Critical STATE UNIVERSITY OF NY BINGHAM
Publication of AU2002332475A1 publication Critical patent/AU2002332475A1/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
    • H04R1/38—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

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)
AU2002332475A 2002-08-07 2002-08-07 Differential microphone Abandoned AU2002332475A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/US2002/024995 WO2004016041A1 (en) 2002-08-07 2002-08-07 Differential microphone

Publications (1)

Publication Number Publication Date
AU2002332475A1 true AU2002332475A1 (en) 2004-02-25

Family

ID=31713784

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2002332475A Abandoned AU2002332475A1 (en) 2002-08-07 2002-08-07 Differential microphone

Country Status (2)

Country Link
AU (1) AU2002332475A1 (en)
WO (1) WO2004016041A1 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7992283B2 (en) * 2006-01-31 2011-08-09 The Research Foundation Of State University Of New York Surface micromachined differential microphone
US8180082B2 (en) * 2007-04-04 2012-05-15 Funai Electric Advanced Applied Technology Research Institute Inc. Microphone unit, close-talking voice input device, information processing system, and method of manufacturing microphone unit
NO333056B1 (en) * 2009-01-21 2013-02-25 Cisco Systems Int Sarl Directional microphone
US9635474B2 (en) 2011-05-23 2017-04-25 Sonova Ag Method of processing a signal in a hearing instrument, and hearing instrument
US9181086B1 (en) 2012-10-01 2015-11-10 The Research Foundation For The State University Of New York Hinged MEMS diaphragm and method of manufacture therof
EP3007461B1 (en) * 2014-10-10 2019-02-27 Harman Becker Automotive Systems GmbH Microphone array
US11418873B2 (en) 2020-11-03 2022-08-16 Edward J. Simon Surveillance microphone

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3930560A (en) * 1974-07-15 1976-01-06 Industrial Research Products, Inc. Damping element
US4450930A (en) * 1982-09-03 1984-05-29 Industrial Research Products, Inc. Microphone with stepped response
US6151399A (en) * 1996-12-31 2000-11-21 Etymotic Research, Inc. Directional microphone system providing for ease of assembly and disassembly
US5878147A (en) * 1996-12-31 1999-03-02 Etymotic Research, Inc. Directional microphone assembly

Also Published As

Publication number Publication date
WO2004016041A1 (en) 2004-02-19

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