JP2012090023A - 可変指向性マイクロホンユニットおよび可変指向性マイクロホン - Google Patents

可変指向性マイクロホンユニットおよび可変指向性マイクロホン Download PDF

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Publication number
JP2012090023A
JP2012090023A JP2010234138A JP2010234138A JP2012090023A JP 2012090023 A JP2012090023 A JP 2012090023A JP 2010234138 A JP2010234138 A JP 2010234138A JP 2010234138 A JP2010234138 A JP 2010234138A JP 2012090023 A JP2012090023 A JP 2012090023A
Authority
JP
Japan
Prior art keywords
output
microphone
directivity
variable
inverting amplifier
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.)
Pending
Application number
JP2010234138A
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English (en)
Japanese (ja)
Other versions
JP2012090023A5 (enExample
Inventor
Haruhito Shimura
晴仁 志村
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.)
Audio Technica KK
Original Assignee
Audio Technica KK
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 Audio Technica KK filed Critical Audio Technica KK
Priority to JP2010234138A priority Critical patent/JP2012090023A/ja
Priority to US13/275,445 priority patent/US20120093340A1/en
Publication of JP2012090023A publication Critical patent/JP2012090023A/ja
Publication of JP2012090023A5 publication Critical patent/JP2012090023A5/ja
Pending legal-status Critical Current

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R3/00—Circuits for transducers, loudspeakers or microphones
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R19/00—Electrostatic transducers
    • H04R19/01—Electrostatic transducers characterised by the use of electrets
    • H04R19/016—Electrostatic transducers characterised by the use of electrets 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
    • H04R2410/00—Microphones

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
JP2010234138A 2010-10-19 2010-10-19 可変指向性マイクロホンユニットおよび可変指向性マイクロホン Pending JP2012090023A (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2010234138A JP2012090023A (ja) 2010-10-19 2010-10-19 可変指向性マイクロホンユニットおよび可変指向性マイクロホン
US13/275,445 US20120093340A1 (en) 2010-10-19 2011-10-18 Variable directional microphone unit and variable directional microphone

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2010234138A JP2012090023A (ja) 2010-10-19 2010-10-19 可変指向性マイクロホンユニットおよび可変指向性マイクロホン

Publications (2)

Publication Number Publication Date
JP2012090023A true JP2012090023A (ja) 2012-05-10
JP2012090023A5 JP2012090023A5 (enExample) 2013-08-29

Family

ID=45934179

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2010234138A Pending JP2012090023A (ja) 2010-10-19 2010-10-19 可変指向性マイクロホンユニットおよび可変指向性マイクロホン

Country Status (2)

Country Link
US (1) US20120093340A1 (enExample)
JP (1) JP2012090023A (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015222889A (ja) * 2014-05-23 2015-12-10 株式会社オーディオテクニカ 可変指向性エレクトレットコンデンサマイクロホン
JP2016171372A (ja) * 2015-03-11 2016-09-23 株式会社オーディオテクニカ 可変指向性コンデンサマイクロホン

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9124220B2 (en) 2013-03-14 2015-09-01 Robert Bosch Gmbh Differential microphone with dual polarity bias
JP6270625B2 (ja) * 2014-05-23 2018-01-31 株式会社オーディオテクニカ 可変指向性エレクトレットコンデンサマイクロホン
US11558695B2 (en) * 2020-03-31 2023-01-17 Shure Acquisition Holdings, Inc. Condenser microphone pattern adjustment

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0381569U (enExample) * 1989-12-08 1991-08-20
JP2001016141A (ja) * 1999-04-30 2001-01-19 General Electric Co <Ge> ビデオ画像作成システム用の可変ケーブル長補償装置
JP2008118260A (ja) * 2006-11-01 2008-05-22 Audio Technica Corp 可変指向性エレクトレットコンデンサマイクロホンユニットおよびコンデンサマイクロホン

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0381569U (enExample) * 1989-12-08 1991-08-20
JP2001016141A (ja) * 1999-04-30 2001-01-19 General Electric Co <Ge> ビデオ画像作成システム用の可変ケーブル長補償装置
JP2008118260A (ja) * 2006-11-01 2008-05-22 Audio Technica Corp 可変指向性エレクトレットコンデンサマイクロホンユニットおよびコンデンサマイクロホン

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015222889A (ja) * 2014-05-23 2015-12-10 株式会社オーディオテクニカ 可変指向性エレクトレットコンデンサマイクロホン
JP2016171372A (ja) * 2015-03-11 2016-09-23 株式会社オーディオテクニカ 可変指向性コンデンサマイクロホン

Also Published As

Publication number Publication date
US20120093340A1 (en) 2012-04-19

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