JPS60150399A - パラメトリツクアレイスピ−カ - Google Patents

パラメトリツクアレイスピ−カ

Info

Publication number
JPS60150399A
JPS60150399A JP653784A JP653784A JPS60150399A JP S60150399 A JPS60150399 A JP S60150399A JP 653784 A JP653784 A JP 653784A JP 653784 A JP653784 A JP 653784A JP S60150399 A JPS60150399 A JP S60150399A
Authority
JP
Japan
Prior art keywords
region
frequency
modulation
input
array
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
JP653784A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0550196B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html
Inventor
Tsuneo Tanaka
恒雄 田中
Mikiro Iwasa
幹郎 岩佐
Yoichi Kimura
陽一 木村
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP653784A priority Critical patent/JPS60150399A/ja
Publication of JPS60150399A publication Critical patent/JPS60150399A/ja
Publication of JPH0550196B2 publication Critical patent/JPH0550196B2/ja
Granted legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
    • B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
    • B06B1/00—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
    • B06B1/02—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy
    • B06B1/08—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with magnetostriction
    • B06B1/085—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with magnetostriction using multiple elements, e.g. arrays

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
  • Circuit For Audible Band Transducer (AREA)
JP653784A 1984-01-18 1984-01-18 パラメトリツクアレイスピ−カ Granted JPS60150399A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP653784A JPS60150399A (ja) 1984-01-18 1984-01-18 パラメトリツクアレイスピ−カ

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP653784A JPS60150399A (ja) 1984-01-18 1984-01-18 パラメトリツクアレイスピ−カ

Publications (2)

Publication Number Publication Date
JPS60150399A true JPS60150399A (ja) 1985-08-08
JPH0550196B2 JPH0550196B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1993-07-28

Family

ID=11641093

Family Applications (1)

Application Number Title Priority Date Filing Date
JP653784A Granted JPS60150399A (ja) 1984-01-18 1984-01-18 パラメトリツクアレイスピ−カ

Country Status (1)

Country Link
JP (1) JPS60150399A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6128293A (ja) * 1984-07-18 1986-02-07 Matsushita Electric Ind Co Ltd パラメトリツクアレイスピ−カ
JPS62296698A (ja) * 1986-06-17 1987-12-23 Matsushita Electric Ind Co Ltd パラメトリツクスピ−カ
WO1999035881A1 (fr) * 1998-01-09 1999-07-15 Sony Corporation Haut-parleur et procede de commande correspondant, et emetteur/recepteur de signaux audio
FR2799873A1 (fr) * 1999-10-18 2001-04-20 Comptoir De La Technologie Dispositif actif d'attenuation de l'intensite sonore
US6359990B1 (en) 1997-04-30 2002-03-19 American Technology Corporation Parametric ring emitter
JP2004112211A (ja) * 2002-09-17 2004-04-08 Mitsubishi Electric Engineering Co Ltd 超指向性スピーカー
US7088830B2 (en) 1997-04-30 2006-08-08 American Technology Corporation Parametric ring emitter
JP2010051039A (ja) * 1998-07-16 2010-03-04 Massachusetts Inst Of Technology パラメトリックオーディオシステム

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6128293A (ja) * 1984-07-18 1986-02-07 Matsushita Electric Ind Co Ltd パラメトリツクアレイスピ−カ
JPS62296698A (ja) * 1986-06-17 1987-12-23 Matsushita Electric Ind Co Ltd パラメトリツクスピ−カ
US6359990B1 (en) 1997-04-30 2002-03-19 American Technology Corporation Parametric ring emitter
US7088830B2 (en) 1997-04-30 2006-08-08 American Technology Corporation Parametric ring emitter
WO1999035881A1 (fr) * 1998-01-09 1999-07-15 Sony Corporation Haut-parleur et procede de commande correspondant, et emetteur/recepteur de signaux audio
JP2010051039A (ja) * 1998-07-16 2010-03-04 Massachusetts Inst Of Technology パラメトリックオーディオシステム
US8027488B2 (en) 1998-07-16 2011-09-27 Massachusetts Institute Of Technology Parametric audio system
US9036827B2 (en) 1998-07-16 2015-05-19 Massachusetts Institute Of Technology Parametric audio system
FR2799873A1 (fr) * 1999-10-18 2001-04-20 Comptoir De La Technologie Dispositif actif d'attenuation de l'intensite sonore
EP1094444A1 (fr) * 1999-10-18 2001-04-25 Comptoir de la Technologie Dispositif actif d'atténuation de l'intensité sonore
US6463156B1 (en) 1999-10-18 2002-10-08 Comptoir De La Technologie Active device for attenuating the intensity of sound
JP2004112211A (ja) * 2002-09-17 2004-04-08 Mitsubishi Electric Engineering Co Ltd 超指向性スピーカー

Also Published As

Publication number Publication date
JPH0550196B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1993-07-28

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