DE69307963D1 - Tieffrequenz Unterwasserschallerreger mit Benutzung einer Seltenerdlegierung - Google Patents

Tieffrequenz Unterwasserschallerreger mit Benutzung einer Seltenerdlegierung

Info

Publication number
DE69307963D1
DE69307963D1 DE69307963T DE69307963T DE69307963D1 DE 69307963 D1 DE69307963 D1 DE 69307963D1 DE 69307963 T DE69307963 T DE 69307963T DE 69307963 T DE69307963 T DE 69307963T DE 69307963 D1 DE69307963 D1 DE 69307963D1
Authority
DE
Germany
Prior art keywords
rare earth
low frequency
underwater sound
earth alloy
frequency underwater
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 - Fee Related
Application number
DE69307963T
Other languages
English (en)
Other versions
DE69307963T2 (de
Inventor
Takashi Yoshikawa
Akiyoshi Kawamori
Hiroshi Kamata
Iwao Nakano
Toshio Tsuchiya
Yasutaka Amitani
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.)
Japan Marine Science and Technology Center
Oki Electric Industry Co Ltd
Original Assignee
Japan Marine Science and Technology Center
Oki Electric Industry 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 Japan Marine Science and Technology Center, Oki Electric Industry Co Ltd filed Critical Japan Marine Science and Technology Center
Publication of DE69307963D1 publication Critical patent/DE69307963D1/de
Application granted granted Critical
Publication of DE69307963T2 publication Critical patent/DE69307963T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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)
  • Transducers For Ultrasonic Waves (AREA)
  • Apparatuses For Generation Of Mechanical Vibrations (AREA)
DE69307963T 1992-07-22 1993-07-22 Tieffrequenz Unterwasserschallerreger mit Benutzung einer Seltenerdlegierung Expired - Fee Related DE69307963T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4195271A JP2560177B2 (ja) 1992-07-22 1992-07-22 希土類合金を用いた水中用低周波送波器

Publications (2)

Publication Number Publication Date
DE69307963D1 true DE69307963D1 (de) 1997-03-20
DE69307963T2 DE69307963T2 (de) 1997-09-11

Family

ID=16338385

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69307963T Expired - Fee Related DE69307963T2 (de) 1992-07-22 1993-07-22 Tieffrequenz Unterwasserschallerreger mit Benutzung einer Seltenerdlegierung

Country Status (4)

Country Link
US (1) US5355351A (de)
EP (1) EP0580156B1 (de)
JP (1) JP2560177B2 (de)
DE (1) DE69307963T2 (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5508976A (en) * 1994-12-02 1996-04-16 Loral Defense Systems Low frequency underwater acoustic transducer
DE19528881C1 (de) * 1995-08-05 1996-06-27 Stn Atlas Elektronik Gmbh Elektroakustischer Wandler
KR100375838B1 (ko) * 2000-08-01 2003-03-15 박종남 스피커용 고효율 자기회로구조
JP3975816B2 (ja) * 2001-07-13 2007-09-12 ヤマハ株式会社 水槽用水中音響放射装置
CN101363698B (zh) * 2007-08-08 2012-10-03 杨伦华 次声波发生器
CN101945318A (zh) * 2010-09-08 2011-01-12 陈志棠 一种动感音乐同步振动器
JP5900887B2 (ja) * 2011-04-04 2016-04-06 国立大学法人金沢大学 耳穴装着型骨伝導装置
JP7055024B2 (ja) * 2018-01-19 2022-04-15 大成建設株式会社 音波発信器

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4438509A (en) * 1981-05-18 1984-03-20 Raytheon Company Transducer with tensioned-wire precompression
US4432080A (en) * 1981-10-01 1984-02-14 The United States Of America As Represented By The Secretary Of The Navy Subwavelength monopole underwater sound radiator
CA1242268A (en) * 1983-10-31 1988-09-20 John M. Sewell Low frequency sound transducer
US4642802A (en) * 1984-12-14 1987-02-10 Raytheon Company Elimination of magnetic biasing using magnetostrictive materials of opposite strain
US4703464A (en) * 1985-05-10 1987-10-27 Raytheon Company Permanent magnet biased magnetostrictive transducer
JPH0496600A (ja) * 1990-08-14 1992-03-27 Oki Electric Ind Co Ltd 希土類合金を用いた水中用送波器

Also Published As

Publication number Publication date
EP0580156A2 (de) 1994-01-26
EP0580156B1 (de) 1997-02-05
DE69307963T2 (de) 1997-09-11
JPH0646493A (ja) 1994-02-18
JP2560177B2 (ja) 1996-12-04
EP0580156A3 (en) 1994-09-14
US5355351A (en) 1994-10-11

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee