JPS59157382U - Parametric array microphone - Google Patents

Parametric array microphone

Info

Publication number
JPS59157382U
JPS59157382U JP5166883U JP5166883U JPS59157382U JP S59157382 U JPS59157382 U JP S59157382U JP 5166883 U JP5166883 U JP 5166883U JP 5166883 U JP5166883 U JP 5166883U JP S59157382 U JPS59157382 U JP S59157382U
Authority
JP
Japan
Prior art keywords
array microphone
parametric array
parametric
horn
transmitter
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
JP5166883U
Other languages
Japanese (ja)
Other versions
JPH028480Y2 (en
Inventor
河面　悠
Original Assignee
日本コロムビア株式会社
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 日本コロムビア株式会社 filed Critical 日本コロムビア株式会社
Priority to JP5166883U priority Critical patent/JPS59157382U/en
Publication of JPS59157382U publication Critical patent/JPS59157382U/en
Application granted granted Critical
Publication of JPH028480Y2 publication Critical patent/JPH028480Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Piezo-Electric Transducers For Audible Bands (AREA)
  • Transducers For Ultrasonic Waves (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

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

第１図はパラメトリック指向性受音の構成を示す図、第
２図は送・受波系の要部縦断面図、第３図は本考案の一
実施例送・受波系の要部縦断面図である。 １は発振器、２はパワーアンプ、３は送波器、４は受波
器、５はプリアンプ、６は復調器、７は音響ホーン、８
は超音波吸収物質、３１は圧電素子、３２はベース、３
３は貫通孔である。Fig. 1 is a diagram showing the configuration of parametric directional sound reception, Fig. 2 is a vertical cross-sectional view of the main part of the transmitting/receiving system, and Fig. 3 is a longitudinal cross-sectional view of the main part of the transmitting/receiving system according to an embodiment of the present invention. It is a front view. 1 is an oscillator, 2 is a power amplifier, 3 is a transmitter, 4 is a receiver, 5 is a preamplifier, 6 is a demodulator, 7 is an acoustic horn, 8
3 is an ultrasonic absorbing material, 31 is a piezoelectric element, 32 is a base, 3
3 is a through hole.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 音場のパラメトリック効果を利用した指向性受音方式に
於いて、ホーンのくちに送波器を、のどに受波器を配し
た音響ホーンを設けるとともに、ホーンの内面に沿って
超音波吸収物質を配したことを特徴とするパラメトリッ
クアレーマイクロホン。In the directional sound reception method that utilizes the parametric effect of the sound field, an acoustic horn is installed with a transmitter in the mouth and a receiver in the throat, and ultrasonic absorbing material is placed along the inner surface of the horn. A parametric array microphone characterized by the arrangement of
JP5166883U 1983-04-07 1983-04-07 Parametric array microphone Granted JPS59157382U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5166883U JPS59157382U (en) 1983-04-07 1983-04-07 Parametric array microphone

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5166883U JPS59157382U (en) 1983-04-07 1983-04-07 Parametric array microphone

Publications (2)

Publication Number Publication Date
JPS59157382U true JPS59157382U (en) 1984-10-22
JPH028480Y2 JPH028480Y2 (en) 1990-02-28

Family

ID=30182066

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5166883U Granted JPS59157382U (en) 1983-04-07 1983-04-07 Parametric array microphone

Country Status (1)

Country Link
JP (1) JPS59157382U (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS496122A (en) * 1972-03-21 1974-01-19

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS496122A (en) * 1972-03-21 1974-01-19

Also Published As

Publication number Publication date
JPH028480Y2 (en) 1990-02-28

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