CA2032080A1 - Microphone directif - Google Patents

Microphone directif

Info

Publication number
CA2032080A1
CA2032080A1 CA2032080A CA2032080A CA2032080A1 CA 2032080 A1 CA2032080 A1 CA 2032080A1 CA 2032080 A CA2032080 A CA 2032080A CA 2032080 A CA2032080 A CA 2032080A CA 2032080 A1 CA2032080 A1 CA 2032080A1
Authority
CA
Canada
Prior art keywords
housing
sound
sound pressure
acoustically
diaphragm
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.)
Granted
Application number
CA2032080A
Other languages
English (en)
Other versions
CA2032080C (fr
Inventor
John Charles Baumhauer Jr.
Jeffrey Phillip Mcateer
Frederick Allen Rosebrock
Richard M. Sachs
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.)
AT&T Corp
Original Assignee
American Telephone and Telegraph Co 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 American Telephone and Telegraph Co Inc filed Critical American Telephone and Telegraph Co Inc
Publication of CA2032080A1 publication Critical patent/CA2032080A1/fr
Application granted granted Critical
Publication of CA2032080C publication Critical patent/CA2032080C/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/08—Mouthpieces; Microphones; Attachments therefor

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
  • Details Of Audible-Bandwidth Transducers (AREA)
CA002032080A 1990-02-28 1990-12-12 Microphone directif Expired - Lifetime CA2032080C (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US48644490A 1990-02-28 1990-02-28
US486,444 1990-02-28

Publications (2)

Publication Number Publication Date
CA2032080A1 true CA2032080A1 (fr) 1991-08-29
CA2032080C CA2032080C (fr) 1996-07-23

Family

ID=23931916

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002032080A Expired - Lifetime CA2032080C (fr) 1990-02-28 1990-12-12 Microphone directif

Country Status (3)

Country Link
JP (1) JP2664005B2 (fr)
KR (1) KR0158893B1 (fr)
CA (1) CA2032080C (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
US8638955B2 (en) 2006-11-22 2014-01-28 Funai Electric Advanced Applied Technology Research Institute Inc. Voice input device, method of producing the same, and information processing system

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5890232A (en) * 1997-11-25 1999-04-06 Park; Nam-Tae Helmet with an air cushion buffer
KR20030082153A (ko) * 2002-04-16 2003-10-22 주식회사 더웨이테크 폴리프로필렌 필름을 이용한 전사방법
JP4806638B2 (ja) 2005-01-13 2011-11-02 富士通株式会社 受音装置
JP4894353B2 (ja) * 2006-05-26 2012-03-14 ヤマハ株式会社 放収音装置
JP5097511B2 (ja) * 2007-11-19 2012-12-12 株式会社船井電機新応用技術研究所 音声入力装置及びその製造方法、並びに、情報処理システム
JP2009239631A (ja) * 2008-03-27 2009-10-15 Funai Electric Advanced Applied Technology Research Institute Inc マイクロフォンユニット、接話型の音声入力装置、情報処理システム、及びマイクロフォンユニットの製造方法
EP2007167A3 (fr) 2007-06-21 2013-01-23 Funai Electric Advanced Applied Technology Research Institute Inc. Dispositif d'entrée-sortie vocale et dispositif de communication
JP5114106B2 (ja) * 2007-06-21 2013-01-09 株式会社船井電機新応用技術研究所 音声入出力装置及び通話装置
JP5250899B2 (ja) * 2007-10-16 2013-07-31 船井電機株式会社 携帯電話およびマイクロホンユニット
JP5257920B2 (ja) * 2007-10-16 2013-08-07 船井電機株式会社 携帯電話およびマイクロホンユニット
JP2009135661A (ja) * 2007-11-29 2009-06-18 Funai Electric Co Ltd マイクロフォンユニット及びその製造方法並びに音声入力装置
JP5166007B2 (ja) * 2007-11-30 2013-03-21 船井電機株式会社 マイクロフォンユニットおよびその製造方法
NO20076609A (no) 2007-12-21 2009-03-16 Tandberg Telecom As Mikrofonanordning
JP5166117B2 (ja) * 2008-05-20 2013-03-21 株式会社船井電機新応用技術研究所 音声入力装置及びその製造方法、並びに、情報処理システム
JP2009284110A (ja) * 2008-05-20 2009-12-03 Funai Electric Advanced Applied Technology Research Institute Inc 音声入力装置及びその製造方法、並びに、情報処理システム
JP5129024B2 (ja) * 2008-05-27 2013-01-23 株式会社船井電機新応用技術研究所 音声入力装置及び音声会議システム
JP5008638B2 (ja) * 2008-12-01 2012-08-22 株式会社船井電機新応用技術研究所 マイクロフォンユニット、音声入力装置、情報処理システム及びマイクロフォンユニットの製造方法
JP5325554B2 (ja) * 2008-12-05 2013-10-23 船井電機株式会社 音声入力装置
JP5325555B2 (ja) 2008-12-05 2013-10-23 船井電機株式会社 マイクロホンユニット
JP5502313B2 (ja) 2008-12-05 2014-05-28 船井電機株式会社 マイクロホンユニット
JP5262859B2 (ja) * 2009-03-09 2013-08-14 船井電機株式会社 マイクロホンユニット
JP6260878B2 (ja) * 2016-05-27 2018-01-17 株式会社アイエヌジー 画像転写シート、画像転写シートの製造方法、画像転写方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5922989B2 (ja) * 1978-03-23 1984-05-30 横河電機株式会社 信号発生装置
NL8304401A (nl) * 1983-12-22 1985-07-16 Philips Nv Oxydkathode.
JPS63197188A (ja) * 1987-02-12 1988-08-16 Toshiba Corp テレビ会議システム
JPH0744750B2 (ja) * 1987-03-20 1995-05-15 松下電器産業株式会社 マイクロホンユニツト
JP2541621B2 (ja) * 1988-04-20 1996-10-09 株式会社プリモ 指向性マイクロホン

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8638955B2 (en) 2006-11-22 2014-01-28 Funai Electric Advanced Applied Technology Research Institute Inc. Voice input device, method of producing the same, and information processing system
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

Also Published As

Publication number Publication date
CA2032080C (fr) 1996-07-23
KR0158893B1 (ko) 1998-12-01
JPH04217199A (ja) 1992-08-07
KR920000202A (ko) 1992-01-10
JP2664005B2 (ja) 1997-10-15

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