JPH0476795U - - Google Patents

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Publication number
JPH0476795U
JPH0476795U JP11990090U JP11990090U JPH0476795U JP H0476795 U JPH0476795 U JP H0476795U JP 11990090 U JP11990090 U JP 11990090U JP 11990090 U JP11990090 U JP 11990090U JP H0476795 U JPH0476795 U JP H0476795U
Authority
JP
Japan
Prior art keywords
directional microphone
directional
diaphragm
microphones
microphone device
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
JP11990090U
Other languages
Japanese (ja)
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 filed Critical
Priority to JP11990090U priority Critical patent/JPH0476795U/ja
Publication of JPH0476795U publication Critical patent/JPH0476795U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Details Of Audible-Bandwidth Transducers (AREA)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図は本考案の一実施例に係る指向性マイク
ロホン装置の一部破断斜視図、第２図はこの指向
性マイクロホン装置の概略的断面図、第３図はこ
の指向性マイクロホン装置の指向特性を示す特性
図、第４図はこの指向性マイクロホン装置を内蔵
したビデオカメラの本体を示す斜視図、第５図は
ボデイを薄型カード状とした場合の一部破断斜視
図、第６図は第２実施例に係る指向性マイクロホ
ン装置の概略的断面図、第７図はボデイを薄型カ
ード状とした場合の第２実施例に係る指向性マイ
クロホン装置の分解斜視図、第８図は第２実施例
に係る指向性マイクロホン装置であつて、第７図
に示すものとは指向特性が異なるものの分解斜視
図である。 １０，１０ａ，１０ｂ……指向性マイクロホン
、１１，１１ａ，１１ｂ……振動板、２０，３０
……ボデイ、２１ａ，２１ｂ……音響室、２２ａ
，２２ｂ……開口、Ａ……（指向性マイクロホン
１０の）指向方向、Ｂ…（指向性マイクロホン１
０ａの振動板１１ａの）振動方向、Ｃ……（指向
性マイクロホン１０ｂの振動板１１ｂの）振動方
向。 FIG. 1 is a partially cutaway perspective view of a directional microphone device according to an embodiment of the present invention, FIG. 2 is a schematic cross-sectional view of this directional microphone device, and FIG. 3 is a directional characteristic of this directional microphone device. 4 is a perspective view showing the main body of a video camera incorporating this directional microphone device, FIG. 5 is a partially cutaway perspective view of the body in the form of a thin card, and FIG. FIG. 7 is an exploded perspective view of the directional microphone device according to the second embodiment when the body is shaped like a thin card; FIG. 8 is a schematic cross-sectional view of the directional microphone device according to the second embodiment; FIG. 8 is an exploded perspective view of a directional microphone device according to an example, which has a different directional characteristic from that shown in FIG. 7. FIG. 10, 10a, 10b... directional microphone, 11, 11a, 11b... diaphragm, 20, 30
...Body, 21a, 21b ...Sound room, 22a
, 22b...Aperture, A...Direction direction (of directional microphone 10), B...(Directional microphone 1)
The vibration direction (of the diaphragm 11a of the diaphragm 11a of 0a), C...the vibration direction (of the diaphragm 11b of the directional microphone 10b).

Claims (1)

【実用新案登録請求の範囲】 (1) 指向性マイクロホンと、この指向性マイク
ロホンが内蔵されるボデイとを具備しており、前
記ボデイには指向性マイクロホンの振動板の前後
に一対の音響室が上記指向性マイクロホンの振動
板の振動方向と交差する方向に形成され、当該音
響室の一端でかつ上記指向性マイクロホンから側
方に偏位した位置に音波を導入するための開口が
開設されていることを特徴とする指向性マイクロ
ホン装置。 (2) ステレオ録音が可能な指向性マイクロホン
装置において、２つの指向性マイクロホンと、こ
の２つの指向性マイクロホンを内蔵するボデイと
を具備しており、前記ボデイには２つの指向性マ
イクロホンの振動板の前後に一対の音響室が上記
指向性マイクロホンの振動板の振動方向と交差す
る方向に２組形成され、当該音響室の一端でかつ
上記指向性マイクロホンから側方に偏位した位置
に音波を導入するための開口が開設されているこ
とを特徴とする指向性マイクロホン装置。 (3) 前記ボデイは薄型カード状であることを特
徴とする請求項１又は２記載の指向性マイクロホ
ン装置。[Claims for Utility Model Registration] (1) A directional microphone and a body in which the directional microphone is built, the body having a pair of acoustic chambers in front and behind a diaphragm of the directional microphone. An opening is formed in a direction intersecting the vibration direction of the diaphragm of the directional microphone, and is provided at one end of the acoustic chamber and at a position offset laterally from the directional microphone for introducing sound waves. A directional microphone device characterized by: (2) A directional microphone device capable of stereo recording, comprising two directional microphones and a body housing the two directional microphones, and the body has diaphragms for the two directional microphones. A pair of acoustic chambers are formed before and after the directional microphone in a direction intersecting the vibration direction of the diaphragm of the directional microphone, and a sound wave is emitted at one end of the acoustic chamber and at a position deviated laterally from the directional microphone. A directional microphone device characterized by having an opening for introduction. (3) The directional microphone device according to claim 1 or 2, wherein the body has a thin card shape.
JP11990090U 1990-11-15 1990-11-15 Pending JPH0476795U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11990090U JPH0476795U (en) 1990-11-15 1990-11-15

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11990090U JPH0476795U (en) 1990-11-15 1990-11-15

Publications (1)

Publication Number Publication Date
JPH0476795U true JPH0476795U (en) 1992-07-03

Family

ID=31867830

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11990090U Pending JPH0476795U (en) 1990-11-15 1990-11-15

Country Status (1)

Country Link
JP (1) JPH0476795U (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009034786A1 (en) * 2007-09-10 2009-03-19 Hosiden Corporation Condenser microphone
WO2009119852A1 (en) * 2008-03-27 2009-10-01 株式会社船井電機新応用技術研究所 Microphone unit, voice input device of close-talking type, information processing system, and method for manufacturing microphone unit
WO2010062820A2 (en) * 2008-11-26 2010-06-03 Analog Devices, Inc. Side-ported mems microphone assembly
JP2013135436A (en) * 2011-12-27 2013-07-08 Funai Electric Co Ltd Microphone device and electronic apparatus
JP2014512758A (en) * 2011-04-01 2014-05-22 ボーズ・コーポレーション Pair type microphone to remove noise
JP2014099789A (en) * 2012-11-15 2014-05-29 Nec Access Technica Ltd Microphone and mounting structure of the same

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01268398A (en) * 1988-04-20 1989-10-26 Purimo:Kk Directional microphone

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01268398A (en) * 1988-04-20 1989-10-26 Purimo:Kk Directional microphone

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009034786A1 (en) * 2007-09-10 2009-03-19 Hosiden Corporation Condenser microphone
WO2009119852A1 (en) * 2008-03-27 2009-10-01 株式会社船井電機新応用技術研究所 Microphone unit, voice input device of close-talking type, information processing system, and method for manufacturing microphone unit
JP2009239631A (en) * 2008-03-27 2009-10-15 Funai Electric Advanced Applied Technology Research Institute Inc Microphone unit, close-talking voice input device, information processing system, and manufacturing method for microphone unit
WO2010062820A2 (en) * 2008-11-26 2010-06-03 Analog Devices, Inc. Side-ported mems microphone assembly
WO2010062820A3 (en) * 2008-11-26 2010-09-10 Analog Devices, Inc. Side-ported mems microphone assembly
US8351634B2 (en) 2008-11-26 2013-01-08 Analog Devices, Inc. Side-ported MEMS microphone assembly
JP2014512758A (en) * 2011-04-01 2014-05-22 ボーズ・コーポレーション Pair type microphone to remove noise
JP2013135436A (en) * 2011-12-27 2013-07-08 Funai Electric Co Ltd Microphone device and electronic apparatus
JP2014099789A (en) * 2012-11-15 2014-05-29 Nec Access Technica Ltd Microphone and mounting structure of the same

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