JPH0550196B2 - - Google Patents

Info

Publication number
JPH0550196B2
JPH0550196B2 JP653784A JP653784A JPH0550196B2 JP H0550196 B2 JPH0550196 B2 JP H0550196B2 JP 653784 A JP653784 A JP 653784A JP 653784 A JP653784 A JP 653784A JP H0550196 B2 JPH0550196 B2 JP H0550196B2
Authority
JP
Japan
Prior art keywords
region
input
frequency
mainly
speaker
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.)
Expired - Lifetime
Application number
JP653784A
Other languages
English (en)
Japanese (ja)
Other versions
JPS60150399A (ja
Inventor
Tsuneo Tanaka
Mikiro Iwasa
Yoichi Kimura
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 JPS60150399A (ja) 1985-08-08
JPH0550196B2 true JPH0550196B2 (zh) 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 (zh)

Families Citing this family (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
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
JP4221792B2 (ja) * 1998-01-09 2009-02-12 ソニー株式会社 スピーカ装置及びオーディオ信号送信装置
JP2000050387A (ja) 1998-07-16 2000-02-18 Massachusetts Inst Of Technol <Mit> パラメトリックオ―ディオシステム
FR2799873B1 (fr) * 1999-10-18 2002-02-08 Comptoir De La Technologie Dispositif actif d'attenuation de l'intensite sonore
JP4087199B2 (ja) * 2002-09-17 2008-05-21 三菱電機エンジニアリング株式会社 超指向性スピーカー

Also Published As

Publication number Publication date
JPS60150399A (ja) 1985-08-08

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