AU2865899A - Directional microphone - Google Patents

Directional microphone

Info

Publication number
AU2865899A
AU2865899A AU28658/99A AU2865899A AU2865899A AU 2865899 A AU2865899 A AU 2865899A AU 28658/99 A AU28658/99 A AU 28658/99A AU 2865899 A AU2865899 A AU 2865899A AU 2865899 A AU2865899 A AU 2865899A
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
AU28658/99A
Inventor
Johan Ullman
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of AU2865899A publication Critical patent/AU2865899A/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
    • 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)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
  • Building Environments (AREA)
  • Details Of Audible-Bandwidth Transducers (AREA)
  • Pipe Accessories (AREA)
  • Telephone Set Structure (AREA)
AU28658/99A 1998-03-12 1999-03-12 Directional microphone Abandoned AU2865899A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
SE9800850 1998-03-12
SE9800850A SE9800850D0 (en) 1998-03-12 1998-03-12 Directed microphone
PCT/SE1999/000390 WO1999049697A1 (en) 1998-03-12 1999-03-12 Directional microphone

Publications (1)

Publication Number Publication Date
AU2865899A true AU2865899A (en) 1999-10-18

Family

ID=20410551

Family Applications (1)

Application Number Title Priority Date Filing Date
AU28658/99A Abandoned AU2865899A (en) 1998-03-12 1999-03-12 Directional microphone

Country Status (6)

Country Link
EP (1) EP1062838A1 (en)
JP (1) JP2002508641A (en)
CN (1) CN1292984A (en)
AU (1) AU2865899A (en)
SE (1) SE9800850D0 (en)
WO (1) WO1999049697A1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101651920B (en) * 2009-06-19 2013-05-22 瑞声声学科技(深圳)有限公司 Microphone distortion test system
US9118989B2 (en) 2012-09-05 2015-08-25 Kaotica Corporation Noise mitigating microphone attachment
US8737662B2 (en) 2012-09-05 2014-05-27 Kaotica Corporation Noise mitigating microphone attachment
USD733690S1 (en) 2013-10-30 2015-07-07 Kaotica Corporation Noise mitigating microphone attachment
US10701481B2 (en) 2018-11-14 2020-06-30 Townsend Labs Inc Microphone sound isolation baffle and system

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2027318A (en) * 1978-07-21 1980-02-13 Farmer N Sound detectors
US4555598A (en) * 1983-09-21 1985-11-26 At&T Bell Laboratories Teleconferencing acoustic transducer
DE3901158A1 (en) * 1989-01-17 1990-07-19 Messerschmitt Boelkow Blohm Directional microphone
US4967874A (en) * 1989-11-13 1990-11-06 Scalli Jeffrey R Microphone baffle apparatus
GB2255687B (en) * 1991-05-07 1994-09-21 Matsushita Electric Ind Co Ltd Radio telephone apparatus
US5692060A (en) * 1995-05-01 1997-11-25 Knowles Electronics, Inc. Unidirectional microphone

Also Published As

Publication number Publication date
CN1292984A (en) 2001-04-25
EP1062838A1 (en) 2000-12-27
SE9800850D0 (en) 1998-03-12
WO1999049697A1 (en) 1999-09-30
JP2002508641A (en) 2002-03-19

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