DE69326864T2 - Elektroakustischer Wandler - Google Patents

Elektroakustischer Wandler

Info

Publication number
DE69326864T2
DE69326864T2 DE69326864T DE69326864T DE69326864T2 DE 69326864 T2 DE69326864 T2 DE 69326864T2 DE 69326864 T DE69326864 T DE 69326864T DE 69326864 T DE69326864 T DE 69326864T DE 69326864 T2 DE69326864 T2 DE 69326864T2
Authority
DE
Germany
Prior art keywords
electroacoustic transducer
electroacoustic
transducer
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
DE69326864T
Other languages
English (en)
Other versions
DE69326864D1 (de
Inventor
Peter F Flanagan
Gerald A Brigham
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.)
Raytheon Co
Original Assignee
Raytheon Co
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 Raytheon Co filed Critical Raytheon Co
Application granted granted Critical
Publication of DE69326864D1 publication Critical patent/DE69326864D1/de
Publication of DE69326864T2 publication Critical patent/DE69326864T2/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
    • B06B1/06—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction
    • B06B1/0644—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction using a single piezoelectric element
    • B06B1/0655—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction using a single piezoelectric element of cylindrical shape
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/44—Special adaptations for subaqueous use, e.g. for hydrophone
DE69326864T 1992-09-03 1993-08-17 Elektroakustischer Wandler Expired - Fee Related DE69326864T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/939,798 US5267223A (en) 1992-09-03 1992-09-03 Electroacoustic transducer seal

Publications (2)

Publication Number Publication Date
DE69326864D1 DE69326864D1 (de) 1999-12-02
DE69326864T2 true DE69326864T2 (de) 2000-04-27

Family

ID=25473750

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69326864T Expired - Fee Related DE69326864T2 (de) 1992-09-03 1993-08-17 Elektroakustischer Wandler

Country Status (5)

Country Link
US (1) US5267223A (de)
EP (1) EP0586136B1 (de)
JP (1) JPH06178381A (de)
DE (1) DE69326864T2 (de)
ES (1) ES2137227T3 (de)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6002648A (en) * 1998-10-16 1999-12-14 Western Atlas International, Inc. Slotted cylinder marine siesmic method and source
US6069845A (en) * 1998-12-23 2000-05-30 Western Altas International Inc. Composite marine seismic source
US6781288B2 (en) * 1999-01-27 2004-08-24 Bae Systems Information And Electronic Systems Integration Inc. Ultra-low frequency acoustic transducer
US6076630A (en) * 1999-02-04 2000-06-20 Western Atlas International, Inc. Acoustic energy system for marine operations
US6285631B1 (en) * 1999-10-04 2001-09-04 The United States Of America As Represented By The Secretary Of The Navy Slotted cylinder transducer with sealing boot and method of making same
US7220232B2 (en) * 2000-08-24 2007-05-22 Timi 3 Systems, Inc. Method for delivering ultrasonic energy
US20020072691A1 (en) * 2000-08-24 2002-06-13 Timi 3 Systems, Inc. Systems and methods for applying ultrasonic energy to the thoracic cavity
US20040073115A1 (en) * 2000-08-24 2004-04-15 Timi 3 Systems, Inc. Systems and methods for applying ultrasound energy to increase tissue perfusion and/or vasodilation without substantial deep heating of tissue
US20020082529A1 (en) * 2000-08-24 2002-06-27 Timi 3 Systems, Inc. Systems and methods for applying pulsed ultrasonic energy
US7241270B2 (en) * 2000-08-24 2007-07-10 Timi 3 Systems Inc. Systems and methods for monitoring and enabling use of a medical instrument
US20020049395A1 (en) * 2000-08-24 2002-04-25 Timi 3 Systems for applying ultrasound energy to the thoracic cavity
AU8667401A (en) * 2000-08-24 2002-03-04 Timi 3 Systems Inc Systems and methods for applying ultrasonic energy to the thoracic cavity and other targeted body regions
US7335169B2 (en) * 2000-08-24 2008-02-26 Timi 3 Systems, Inc. Systems and methods for delivering ultrasound energy at an output power level that remains essentially constant despite variations in transducer impedance
US20030069526A1 (en) * 2000-08-24 2003-04-10 Timi 3 Systems, Inc. Applicators that house and support ultrasound transducers for transcutaneous delivery of ultrasound energy
US20020091339A1 (en) * 2000-08-24 2002-07-11 Timi 3 Systems, Inc. Systems and methods for applying ultrasound energy to stimulating circulatory activity in a targeted body region of an individual
US6969477B2 (en) * 2001-12-04 2005-11-29 Callaway Golf Company Golf ball
US6643222B2 (en) 2002-01-10 2003-11-04 Bae Systems Information And Electronic Systems Integration Inc Wave flextensional shell configuration
US6649069B2 (en) 2002-01-23 2003-11-18 Bae Systems Information And Electronic Systems Integration Inc Active acoustic piping
US6678213B1 (en) 2002-04-18 2004-01-13 The United States Of America As Represented By The Secretary Of The Navy Slotted cylinder transducer with trapezoidal cross-sectional electrodes
US7229423B2 (en) * 2003-02-05 2007-06-12 Timi 3 System, Inc Systems and methods for applying audible acoustic energy to increase tissue perfusion and/or vasodilation
US20080208084A1 (en) * 2003-02-05 2008-08-28 Timi 3 Systems, Inc. Systems and methods for applying ultrasound energy to increase tissue perfusion and/or vasodilation without substantial deep heating of tissue
US8734368B2 (en) 2003-09-04 2014-05-27 Simon Fraser University Percussion assisted angiogenesis
US8870796B2 (en) 2003-09-04 2014-10-28 Ahof Biophysical Systems Inc. Vibration method for clearing acute arterial thrombotic occlusions in the emergency treatment of heart attack and stroke
US8721573B2 (en) 2003-09-04 2014-05-13 Simon Fraser University Automatically adjusting contact node for multiple rib space engagement
CA2439667A1 (en) * 2003-09-04 2005-03-04 Andrew Kenneth Hoffmann Low frequency vibration assisted blood perfusion system and apparatus
US8717849B1 (en) * 2011-09-09 2014-05-06 The United States Of America As Represented By The Secretary Of The Navy Slotted cylinder acoustic transducer
US9001623B1 (en) * 2011-12-06 2015-04-07 Raytheon Company Sonar systems and sonar methods that use a tow body having a towed acoustic projector for which an orientation can be changed while being towed
US10197689B1 (en) * 2016-06-24 2019-02-05 The United States Of America As Represented By The Secretary Of The Navy Physically damped noise canceling hydrophone

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2767387A (en) * 1950-04-05 1956-10-16 Clevite Corp Cylindrical electro-mechanical transducer
US3284762A (en) * 1965-03-26 1966-11-08 Harry W Kompanek Mechanical-to-electrical transducer
US4651044A (en) * 1978-08-17 1987-03-17 Kompanek Harry W Electroacoustical transducer
US4220887A (en) * 1978-11-30 1980-09-02 Kompanek Harry W Prestressed, split cylindrical electromechanical transducer
US4949319A (en) * 1988-12-20 1990-08-14 Raytheon Company Sonar transducer joint seal
US5103130A (en) * 1988-12-20 1992-04-07 Rolt Kenneth D Sound reinforcing seal for slotted acoustic transducers
US5122992A (en) * 1990-08-09 1992-06-16 Piezo Sona-Tool Corporation Transducer assembly
US5020035A (en) * 1989-03-30 1991-05-28 Undersea Transducer Technology, Inc. Transducer assemblies
US5132942A (en) * 1989-06-16 1992-07-21 Alphonse Cassone Low frequency electroacoustic transducer

Also Published As

Publication number Publication date
EP0586136B1 (de) 1999-10-27
US5267223A (en) 1993-11-30
ES2137227T3 (es) 1999-12-16
JPH06178381A (ja) 1994-06-24
EP0586136A3 (en) 1994-09-21
DE69326864D1 (de) 1999-12-02
EP0586136A2 (de) 1994-03-09

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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